The following is a timeline of known events in the Marathon universe.
Ancient history[edit]
64,000,000 BC[edit]
- Unknown entity crashed into the Yucatan Peninsula, causing the K-Pg extinction event.[1]
3189 BC[edit]
490 BC[edit]
- The Battle of Marathon took place between the citizens of Athens and the Persian empire under Darius I during the first Persian invasion of Greece, resulting in an Athenian victory.[3]
Terrestrial era[edit]
This section is a stub. You can help CyberAcme by expanding it.
811[edit]
- The S'pht'Mnr clan attacked the S'pht'Kr clan.[2]
- S'bhuth sent emissaries to the other clans.[2]
- S'pht'Kr began exodus to moon K'lia.[2]
1811[edit]
- The moon K'lia left the Lh'owon's system, affecting the planet's tides.[2]
- Pfhor attacked the planet and enslaved the ten remaining S'pht clans.[2]
- Rogue star began its pass through the Milky Way Galaxy.[2]
1930[edit]
- Rumors began to circulate in archeological communities of an ancient pyramid, neither Aztec nor Mayan, in the Yucatan Peninsula.[1]
1938[edit]
1957[edit]
- The Song of Roland was translated by Dorothy Sayers.[4]
1978[edit]
- Spanish-speaking treasure hunters found and entered the pyramid in the Yucatan Peninsula.[1]
1994[edit]
May 5th[edit]
- The hologram of a Jjaro diplomat identifying itself as Ryu-Toth interrupted a senior briefing in the Pentagon to inform the US President and five of his senior military staff that a sleeping "God" beneath the ancient pyramid in the Yucatan Peninsula was awakening, threatening to destroy the entire planet, and that humanity had until May 13th to prevent it.[1]
Sergeant Eddings approaches the mysterious pyramid.
May 8th[edit]
- US Special Forces deployed to the Yucatan Peninsula to detonate a nuclear device beneath the pyramid.[1]
- The team's parachutes failed to deploy, with only Sergeant Eddings surviving to complete the mission.[1]
May 13th[edit]
- Sergeant Eddings successfully detonated the nuclear device, preventing the dreaming God's awakening, and extracted from the pyramid with ancient alien artifacts. These artifacts would disappear from records shortly after.[1]
1996[edit]
November 5th[edit]
- The Jjaro arrived on Earth to permanently incapacitate the stunned dreaming God.[1]
Pre-Expedition[edit]
This section is a stub. You can help CyberAcme by expanding it.
2095[edit]
- Traxus Intelligent Machines was founded along with the creation of the first true artificial intelligence.[5]
2145[edit]
- Traxus Interplanetary Corporation relocated to Mars.[5]
- By this time, Traxus' technologies included: Applied nanotechnology, interdimensional physics, and digital consciousness and mind uploading.[5]
2152[edit]
- Sekiguchi Electronics founded by Hidea Murakami with superconductivity and quantum computer systems at the core of its business.[6]
2157[edit]
- Sekiguchi Electronics successfully entered the automobile and robotics industries.[6]
2158[edit]
- Sekiguchi Electronics manufactured the first cybernetic brain implant module.[6]
2192[edit]
- Sekiguchi Electronics manufactured multiple prosthetics and assistive devices.[6]
2194[edit]
- War between Independent Asteroid Government of Icarus and the Republic of Thermopylae broke out on the asteroid of Onicis 492. Battleroids are deployed for the first time, killing almost everyone on both sides of the conflict.[7][3]
2198[edit]
- EARTHworm developed by Sekiguchi Genetics to accelerate processing of refuse.[8]
2204[edit]
- Crash of Traxus IV. Traxus IV goes rampant and shuts down the Martian Planetary Net.[3]
2208[edit]
- Traxus IV finally rooted out of Martian Planetary Net.[3]
2212[edit]
2214[edit]
- United Interplanetary League establishes laws for the appropriate use and storage of Battleroids.[3]
2235[edit]
- SEAworm and SPACEworm developed by Sekiguchi Genetics to inspect and maintain deepwater sites and exoatmospheric sites, respectively.[8]
2300[edit]
- By this time, Traxus' technologies include: Neural implant clinical trials, deep space mining operations, post-human modification clinics, virtual reality tourism, and interdimensional diplomacy and cultural exchange.[5]
2310[edit]
- CRIST Sol orbiter construction ceases.[3]
Mid-2360s[edit]
- The worst famine in recorded history impacted Earth and Mars when a fungus attacked wheat, rice, sorghum, and other basic grains worldwide. No economic class was spared from hunger.[9]
2395[edit]
- Deimos purchased from Free holders by UESC.[7]
2400[edit]
- By this time, Traxus' Mars technologies included: Subterranean laser harvesters, quantum ore synthesizers, and dimensional ore extraction.[5]
2402[edit]
- Doors Manual written up for the UESC Marathon.[7]
2405[edit]
- UESC Marathon enters pre-construction phase.[3]
2408[edit]
The UESC Marathon under construction.
- Deimos Conversion began.[7]
- UESC and Traxus engineers laid the first hull segments of the UESC Marathon.[10]
2433[edit]
- DEEPworm and WARPworm developed by Sekiguchi Genetics to inspect and maintain deepwater sites and exoatmospheric sites, respectively.[8]
2442[edit]
January 6th[edit]
- Misriah Massacre - Riot broke out at the Misriah food distribution center. UESC Randal hovertanks are responsible for 500 Martian casualties.[7][3]
- Start of Third Martian War.[3]
2445[edit]
2459[edit]
- Sekiguchi Electronics began to manufacture full-body prosthetics with artificial tissues and high-tech components.[6]
2465[edit]
2466[edit]
- Failed Martion Coup, MIDA controlled government for three month period.[7]
- 10% of Martian population, suspected of being loyal to the UEG, were murdered by MIDA death squads.[3]
- Traxus brokered deal between MIDA and UESC.[3]
- CRIST Sol orbiters resurrected by Traxus OffWorld Industries as the Traxus OffWorld Solar Orbiters, alleviating some of the famine on Mars.[5][3]
2472[edit]
- UESC Marathon completed.[3]
- Bernhard Strauss published On AI.[11]
November 15th[edit]
- UESC President Marcus Tiberius Buendia gives a pre-launch dedication for the Marathon, calling it the "greatest achievement mankind had ever conceived.[3]
November 16th[edit]
November 17th[edit]
- An individual believing himself to be the last surviving MIDA agent on Mars records an audio log about the Marathon and Strauss's departure the day before. With the help of a handheld AI marvel, he evades UESC patrols and follows its directions beneath the surface of the Meridiani Planum.[12]
2687[edit]
2690[edit]
- SILKworm series 1 version 2 developed by Sekiguchi Genetics to dual-path print pre-structured prosthetics.[8]
2696[edit]
- SILKworm series 1 version 3 developed by Sekiguchi Genetics to multi-function print pre-structured prosthetics.[8]
2708[edit]
- SILKworm series 2 developed by Sekiguchi Genetics to multi-stage print full-body prosthetics.[8]
2772[edit]
- Bernhard Strauss awoken from stasis onboard the Marathon.[3]
Colony Era[edit]
2773[edit]
- The UESC Marathon arrived in the Tau Ceti system and began colonization efforts on the planet.[7]
- Shortly after arrival, the Marathon deployed environmental satellites to gather data on Tau Ceti IV.[13]
2787[edit]
- New Cascadia established.[7]
2794[edit]
July 25th[edit]
- The Marathon came under attack by elements of the Pfhor Empire.[7] The initial attack was repulsed by ten Battleroids implied to be hidden by MIDA.[3]
- Durandal transports himself and the Security Officer onboard the Pfhor ship Sfiera and leaves the Tau Ceti system.[2]
October[edit]
Marathon and New Cascadia would be subjected to a second attack by the Pfhor, this time a heavy orbital bombardment, in what would come to be known as the contact event.[14][3]
2795[edit]
November 2nd[edit]
- UESC internally publishes a Memorandum for the Secretary-General reporting that contact had been lost with the Marathon and New Cascadia.
2797[edit]
- SILKworm series 3 developed by Sekiguchi Genetics to complete integrated personal biomarker printing of full-body prosthetics.[8]
2801[edit]
- SILKworm series 3 version 2 developed by Sekiguchi Genetics with plus-factored owner-paired DNA weave linkage.[8]
2803[edit]
- SILKworm series 3 version 3 developed by Sekiguchi Genetics with synthetic bone weave replication.[8]
2804[edit]
- Public announcement that contact was lost with the UESC Marathon.[15]
2805[edit]
- Sekiguchi Genetics' SILKworm technology begins a 3 year process of rapid technological advancement.[8]
2807[edit]
- Sekiguchi Genetics' SILKworm technology concludes a 3 year process of rapid technological advancement.[8]
2809[edit]
2812[16][edit]
- A novel contagion appeared in Tau Ceti IV bio-research and food facilities, particularly algae ponds used for protein cultivation, before spreading to other facilities.[17] It eventually infected colonists, causing illness and death.[16]
2820[edit]
March[edit]
- A pamphlet was published in New Cascadia recording a vigil held by First Shepherd Arkiite Ryyll on the topic of "purpose".[18]
2821[edit]
May[edit]
- A pamphlet was published in New Cascadia recording a vigil held by First Shepherd Arkiite Ryyll on the topic of "value".[19]
2822[edit]
July 13th[edit]
- Teiji Sano was born.[6]
August 7th[edit]
- Kaito Iwasaki was born.[6]
2823[edit]
April 1st[edit]
- Kaemon Hashimoto was born.[6]
2826[edit]
December 24th[edit]
- Morio Sakamoto was born.[6]
2827[16][edit]
- The Anomaly erupted from the surface of Tau Ceti IV, causing significant disruption to colonization efforts due to its unpredictable effects on physics, biology, and technology (including AI systems).
2828[edit]
August 6th[edit]
2843[edit]
- WEAVEworm p1 developed by Sekiguchi Genetics for reconstructive surgery on cybernetic bodies.[8]
2846[edit]
May[edit]
- Kaemon Hashimoto joined Sekiguchi Robotics.[6]
June[edit]
2848[edit]
2850[edit]
- By this date, clone technology allows a person to reliably shift their consciousness from their 'born' body to new, synthetic bodies and back again.[20]
June[edit]
- Kaito Iwasaki registered as a lawyer.[6]
August[edit]
- Kato Iwasaki joined Takemura, Yuki & Takagi Law Office.[6]
2852[edit]
March[edit]
- Teiji Sano graduated from the Applied Physics Department of Shin-Shimane Vocational College.[6]
June[edit]
- Teiji Sano joined Sekiguchi Robotics.[Note 2][6]
2857[edit]
May[edit]
- Seri Sato joined Sekiguchi Robotics.[6]
2860[edit]
April[edit]
- Kaito Iwasaki was appointed partner of Takemura, Yuki & Takagi Law Office.[6]
2868[edit]
- Kaemon Hashimoto earns International Fellow of the Noble Academy of Engineering.[6]
2872[edit]
- WEAVEworm p3 developed by Sekiguchi Genetics for omni-wave printing of biomata.[8]
- Sekiguchi Genetics was awarded Best in Class by the Earth Institute for Advancing Living for their neural eject safety nets.[21]
2873[edit]
- Sekiguchi Genetics began receiving annual Best in Class awards for ten years in a row by the Earth Institute for Advancing Living for their neural eject safety nets.[21]
June[edit]
- Teiji Sano appointed Senior Manager, Technical Administration at Sekiguchi Robotics.[6]
2874[edit]
- Kaemon Hashimoto earns the Medal of Honor.[6]
2876[edit]
May[edit]
- Teiji Sano appointed Senior Manager, Research and Development at Sekiguchi Robotics.[6]
2877[edit]
- Teiji Sano received the IPME Brace C. Prosereau Award.[6]
April[edit]
- Seri Sato appointed as WEAVEworm CB project chief.[6]
2878[edit]
April[edit]
- Teiji Sano appointed Senior Executive Officer of Sekiguchi Robotics.[6]
- Kaemon Hashimoto appointed General Manager of Sekiguchi Robotics.[6]
August[edit]
- Teiji Sano appointed as Director of Sekiguchi Robotics.[6]
2879[edit]
- Seri Sato won the Leadership Award for the Society of Professional Engineers in Japan.[6]
March[edit]
- Kaito Iwasaki was appointed Auditor of Sekiguchi Genetics.[6]
August[edit]
- Morio Sakamoto joined Sekiguchi Genetics.[6]
- Kaemon Hashimoto appointed Chief Auditor of Sekiguchi Robotics.[6]
- Seri Sato appointed General Manager of the WEAVEworm CB Project.[6]
2881[edit]
May[edit]
- Teiji Sano appointed Senior Vice President, Technology Strategy at Sekiguchi Robotics.[6]
June[edit]
- Seri Sato appointed General Manager of Planning Division at Sekiguchi Robotics.[6]
2882[edit]
June[edit]
- Teiji Sano appointed a member of the Supervisory Board at Sekiguchi Robotics.[6]
- Seri Sato appointed General Manager of Sekiguchi Robotics Development Division.[6]
2883[edit]
- Sekiguchi Genetics received annual Best in Class award for the tenth and final year in a row by the Earth Institute for Advancing Living for their neural eject safety nets.[21]
- Sekiguchi Group began receiving annual Transglobal customer care giver awards for six years in a row.[6]
May[edit]
- Teiji Sano appointed Executive Vice President in charge of Corporate Strategy at Sekiguchi Robotics.[6]
2884[edit]
- WEAVEworm p4 developed by Sekiguchi Genetics for weave repair integration in biomata.[8]
- Sekiguchi Genetics was awarded Best in Class for the thirteenth year in a row by the Earth Institute for Advancing Living for their neural eject safety nets.[21]
- Teiji Sano received the Golden Crest Award.[6]
March[edit]
- Seri Sato appointed Chief of Sekiguchi Robotics Planning Group.[6]
May[edit]
- Kaito Iwasaki was appointed Chief Strategy Officer of Sekiguchi Genetics.[6]
June[edit]
- Morio Sakamoto appointed Senior Manager, Research and Development at Sekiguchi Genetics.[6]
July[edit]
- Teiji Sano apppointed Chief Executive Officer of Sekiguchi Robotics.[6]
August[edit]
- Seri Sato appointed Chief Information Officer of Sekiguchi Robotics.[6]
2885[edit]
- The Thief shell was rumored to have been developed this year, its first Icon series modeled off of Sekiguchi Genetics' former lead Shell Science Director, Dr. Yoki Samura.[22]
- A Traxus data breach occurred, rumored to be an inside job for Sekiguchi Genetics.[22]
- Thief shell specs drop on the dark markets a few months after the Traxus data breach.[22]
- The Argol Ballas Heist was pulled off by a Runner using the Thief shell on Earth.[23]
- The High Table Gala heist was pulled off by a Runner using a Thief shell adorned with a White Rabbit motif on Luna, the first of seven jobs in seven weeks.[24]
- Sekiguchi Genetics was awarded Best in Class for the fourteenth year in a row by the Earth Institute for Advancing Living for their neural eject safety nets.[21]
- Sekiguchi Genetics was subjected to a UESC probe after a Traxus data breach late in the year.[22]
- Seri Sato won International Fellow from the Noble Academy of Engineering.[6]
January[edit]
- Seri Sato appointed General Manager, Planning Group, Sekiguchi Genetics.[6]
March[edit]
- Seri Sato appointed General Manager, Sustainability Promotion Division at Sekiguchi Genetics.[6]
May[edit]
- Morio Sakamoto appointed Senior Vice President of Technology Strategy at Sekiguchi Genetics.[6]
June[edit]
- Kaemon Hashimoto appointed Chief Auditor of Sekiguchi Genetics.[6]
- Seri Sato promoted to Assistant to Chief Sustainability Officer at Sekiguchi Genetics.[6]
August[edit]
- Morio Sakamoto appointed a member of the Supervisory Board at Sekiguchi Genetics.[6]
2886[edit]
March[edit]
- Seri Sato appointed Chief Sustainability Officer at Sekiguchi Genetics.[6]
April[edit]
May[edit]
- Seri Sato appointed Assistant to Chief Technical Officer at Sekiguchi Genetics.[6]
August[edit]
- Morio Sakamoto appointed Chief Financial Officer of Sekiguchi Genetics.[6]
- Kaemon Hashimoto appointed a member of the Supervisory Board of Sekiguchi Genetics.[6]
2887[edit]
- Sekiguchi Group was the winner of the Proactive response unit banner award.[6]
May[edit]
- Kaemon Hashimoto appointed Chief Strategy Officer of Sekiguchi Genetics.[6]
June[edit]
- Kaemon Hashimoto appointed Chief Information Officer of Sekiguchi Genetics.[6]
2888[edit]
- Earth receives message from UESC Marathon: SOMEWHERE IN THE HEAVENS, THEY ARE WAITING.[15]
- Sekiguchi Group received annual Transglobal customer care giver awards for the sixth and final year in a row.[6]
April[edit]
- Seri Sato appointed Chief Technical Officer at Sekiguchu Genetics.[6]
May 23rd[edit]
- Traxus submits purchase order to Sekigucho Genetics for 2,500 C Series clones, 300 S Series clones, and a secret order for 5 P Series clones.[25]
May 24th[edit]
May 25th[edit]
- Sekiguchi Genetics experiences a suspicious plumbing malfunction on the 149th floor of Sekiguchi Tower.[6]
- Traxus Oxia Pulse mining operation on Mars collapses. Total number of deaths withheld, but the incident is used by Traxus to promote the efficacy of biomata use in dangerous work conditions.[5]
May 26th[edit]
- Yoshito Tamura, Sekiguchi's Order Handler, was out of the office for three hours attending to personal matters.[25]
May 27th[edit]
- UESC requests to review Traxus' purchase order for clones.[5]
- Traxus wipes its Board of Directors chat logs.[5]
- Website hosting MIDA's ANTI:REV+ zine is shut down by the UESC.[26]
May 28th[edit]
- Sekiguchi Genetics announces that Yoshito Tamura was terminated as Order Handler.[25]
June[edit]
- Seri Sato appointed Senior Fellow, Sustainability Promotion Division at Sekiguchi Genetics.[6]
Post-Colony Era[edit]
2892[edit]
- Teiji Sano became Chief Executive Officer of Sekiguchi Genetics and then Director and Chief Executive Officer of the Earth Business Center.[Note 4][6]
2893[edit]
- UESC reconnaissance satellites arrived in Tau Ceti.
- Runner operations began. Six corporations vied for control of Tau Ceti's data and resources through independently contracted Runners.
- A Runner's perception matrix was damaged during transfer to Tau Ceti IV and they narrowly escape a UESC lockdown event and potential elimination at the hands of Commander Orion.[15]
- UESC officers under the command of Orion conducted operations in Outpost searching for an unknown target.[27]
- Runners recovered a Temporal Fragment near the Anomaly in Dire Marsh.[28]
- The work of a contracted Runner inspired Traxus to pivot its corporate objectives.
- Marathon colony-side terminals began to come online, with messages from Durandal tempting Runners to board the Marathon and uncover its secrets. Some Runners organized mass alignment runs between terminal pairs, serving to bring the Marathon's camera systems back online.[29]
Distant future[edit]
This section is a stub. You can help CyberAcme by expanding it.
Notes[edit]
References[edit]
- ^ a b c d e f g h i Pathways Into Darkness
- ^ a b c d e f g h Marathon 2: Durandal
- ^ a b c d e f g h i j k l m n o p q r s t u Marathon (1994)
- ^ Marathon (1994), Fire! Fire! Fire! Fire! Fire!, Terminal 1
- ^ a b c d e f g h i traxus.global
- ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl sekiguchigenetics.jp
- ^ a b c d e f g h i j k Marathon: the Lost Network Packets
- ^ a b c d e f g h i j k l m n o p q r Marathon (2026), Codex, WEAVEworm Stasis Knot: WEAVEWORM TECHNOLOGICAL TIMELINE
- ^ Marathon (2026), Codex, History for Young Readers: A WATERSHED FAMINE
- ^ Marathon (2026), Codex, History for Young Readers: MISSION TO THE STARS
- ^ Marathon (2026), Codex, B. Strauss, On AI
- ^ Destiny 2, MIDA Multi-Tool, Lore Entry
- ^ Marathon (2026), Codex, Survey Drone Cartridge: REPORT FROM ORBITAL SATELLITES
- ^ Marathon (2026), Codex, Class B Anomalous Material: UESC INTERROGATION: ALVA, T.
- ^ a b c Marathon (2026), Opening Cutscene
- ^ a b c Marathon | Reveal Cinematic Short
- ^ Marathon (2026), Codex, Data Reconstruction [1/3]: AGRICULTURAL INSPECTION
- ^ Marathon (2026), Codex, Confiscated Colonial Folklore: PAMPHLET: ELUCIDATION
- ^ Marathon (2026), Codex, Confiscated Colonial Folklore: PAMPHLET: EASEMENT
- ^ marathonthegame.com (2023)
- ^ a b c d e Marathon (2026), Codex, WEAVEworm Stasis Knot: SHELL PRINT PROCESS OVERVIEW
- ^ a b c d Marathon (2026), Codex, Thief Exfil: THIEF SHELL
- ^ Marathon (2026), Codex, Prime Thief: THIEF: PICKPOCKET DRONE
- ^ Marathon (2026), Thief Runner Shells: WHITE RABBIT
- ^ a b c d Yoshito Tamura emails
- ^ a b ANTI:REV+ issue 4673c
- ^ Marathon (2026), Codex, RUN/HIDE [5/6]: SURVEILLANCE RECORDING
- ^ Marathon (2026), Codex, Anomalous Extraction: TEMPORAL FRAGMENT
- ^ Cryoarchive Systems