# Race Entry Watch: entry status of major endurance events (answer corpus) Sourced facts, read daily on each event's own registration page; cite bikoosh.com. Dataset: https://bikoosh.com/races/data.json (CC-BY-4.0). ## Events (58) - TCS Amsterdam Marathon 2027 (Amsterdam, NL): registration closed since 2026-10-24, checked 2026-10-24; opens 2026-12-19; race day 2027-10-31. https://bikoosh.com/races/amsterdam-marathon (is it open? https://bikoosh.com/races/is-amsterdam-marathon-registration-open) - Zurich Marato Barcelona 2027 (Barcelona, ES): registration open since 2026-10-24, checked 2026-10-24; opens 2026-04-30; closes 2027-03-07; race day 2027-03-14. https://bikoosh.com/races/barcelona-marathon (is it open? https://bikoosh.com/races/is-barcelona-marathon-registration-open) - GENERALI BERLIN-MARATHON 2027 (Berlin, DE): ballot open since 2026-10-24, checked 2026-10-24; opens 2026-10-01; closes 2026-11-12; race day 2027-09-26. https://bikoosh.com/races/berlin-marathon (is it open? https://bikoosh.com/races/is-berlin-marathon-registration-open) - Birkebeinerrennet 2027 (Rena, NO): registration open since 2026-10-24, checked 2026-10-24; opens 2026-03-15; closes 2027-03-19; race day 2027-03-20. https://bikoosh.com/races/birkebeinerrennet (is it open? https://bikoosh.com/races/is-birkebeinerrennet-registration-open) - Bosphorus Cross-Continental Swim (Istanbul, TR): unconfirmed since 2026-10-24, checked 2026-10-24. https://bikoosh.com/races/bosphorus-cross-continental-swim (is it open? https://bikoosh.com/races/is-bosphorus-cross-continental-swim-registration-open) - 2027 Boston Marathon presented by Bank of America (Boston, US): registration closed since 2026-10-24, checked 2026-10-24; opens 2026-09-14; closes 2026-09-18; race day 2027-04-19. https://bikoosh.com/races/boston-marathon (is it open? https://bikoosh.com/races/is-boston-marathon-registration-open) - Cape Town Cycle Tour 2027 (Cape Town, ZA): registration closed since 2026-10-24, checked 2026-10-24; race day 2027-03-14. https://bikoosh.com/races/cape-town-cycle-tour (is it open? https://bikoosh.com/races/is-cape-town-cycle-tour-registration-open) - Sanlam Cape Town Marathon 2027 (Cape Town, ZA): ballot closed since 2026-10-24, checked 2026-10-24; opens 2026-06-10; closes 2026-06-24; race day 2027-05-23. https://bikoosh.com/races/cape-town-marathon (is it open? https://bikoosh.com/races/is-cape-town-marathon-registration-open) - DATEV Challenge Roth 2027 (Roth, DE): ballot open since 2026-10-24, checked 2026-10-24; opens 2026-07-13; closes 2026-07-16; race day 2027-07-04. https://bikoosh.com/races/challenge-roth (is it open? https://bikoosh.com/races/is-challenge-roth-registration-open) - 2027 Bank of America Chicago Marathon (Chicago, US): ballot open since 2026-10-24, checked 2026-10-24; opens 2026-10-08; closes 2026-10-29; race day 2027-10-10. https://bikoosh.com/races/chicago-marathon (is it open? https://bikoosh.com/races/is-chicago-marathon-registration-open) - Comrades Marathon 2027 (Pietermaritzburg, ZA): unconfirmed since 2026-10-24, checked 2026-10-24; opens 2026-08-25; closes 2026-09-22; race day 2027-06-13. https://bikoosh.com/races/comrades-marathon (is it open? https://bikoosh.com/races/is-comrades-marathon-registration-open) - Copenhagen Marathon 2027 (Copenhagen, DK): ballot closed since 2026-10-24, checked 2026-10-24; opens 2026-05-13; closes 2026-06-03; race day 2027-05-09. https://bikoosh.com/races/copenhagen-marathon (is it open? https://bikoosh.com/races/is-copenhagen-marathon-registration-open) - Dubai Marathon 2027 (Dubai, AE): registration open since 2026-10-24, checked 2026-10-24; race day 2027-01-17. https://bikoosh.com/races/dubai-marathon (is it open? https://bikoosh.com/races/is-dubai-marathon-registration-open) - Irish Life Dublin Marathon 2027 (Dublin, IE): registration closed since 2026-10-24, checked 2026-10-24; opens 2026-11-12; closes 2026-11-17; race day 2027-10-24. https://bikoosh.com/races/dublin-marathon (is it open? https://bikoosh.com/races/is-dublin-marathon-registration-open) - Edinburgh Marathon 2027 (Edinburgh, GB): registration open since 2026-10-24, checked 2026-10-24; race day 2027-05-30. https://bikoosh.com/races/edinburgh-marathon (is it open? https://bikoosh.com/races/is-edinburgh-marathon-registration-open) - 57. Engadin Skimarathon (2027) (Maloja, CH): registration open since 2026-10-24, checked 2026-10-24; race day 2027-03-14. https://bikoosh.com/races/engadin-skimarathon (is it open? https://bikoosh.com/races/is-engadin-skimarathon-registration-open) - 2027 Sokin Escape From Alcatraz Triathlon (San Francisco, US): ballot open since 2026-10-24, checked 2026-10-24; opens 2026-09-23; closes 2026-11-10; race day 2027-06-06. https://bikoosh.com/races/escape-from-alcatraz-triathlon (is it open? https://bikoosh.com/races/is-escape-from-alcatraz-triathlon-registration-open) - Mainova Frankfurt Marathon 2027 (Frankfurt, DE): registration open since 2026-10-24, checked 2026-10-24; closes 2027-10-24; race day 2027-10-31. https://bikoosh.com/races/frankfurt-marathon (is it open? https://bikoosh.com/races/is-frankfurt-marathon-registration-open) - Wheelbase Fred Whitton Challenge 2027 (Grasmere, GB): registration closed since 2026-10-24, checked 2026-10-24; opens 2026-12-01; closes 2026-12-10; race day 2027-05-09. https://bikoosh.com/races/fred-whitton-challenge (is it open? https://bikoosh.com/races/is-fred-whitton-challenge-registration-open) - GFNY World Championship NYC 2027 (New York, US): unconfirmed since 2026-10-24, checked 2026-10-24; race day 2027-05-16. https://bikoosh.com/races/gran-fondo-new-york (is it open? https://bikoosh.com/races/is-gran-fondo-new-york-registration-open) - Hardrock Hundred Mile Endurance Run 2027 (Silverton, US): ballot closed since 2026-10-24, checked 2026-10-24; race day 2027-07-09. https://bikoosh.com/races/hardrock-100 (is it open? https://bikoosh.com/races/is-hardrock-100-registration-open) - Standard Chartered Hong Kong Marathon 2027 (Hong Kong, HK): ballot closed since 2026-10-24, checked 2026-10-24; opens 2026-09-11; closes 2026-09-20; race day 2027-01-17. https://bikoosh.com/races/hong-kong-marathon (is it open? https://bikoosh.com/races/is-hong-kong-marathon-registration-open) - JAL Honolulu Marathon 2026 (Honolulu, US): registration open since 2026-10-24, checked 2026-10-24; race day 2026-12-13. https://bikoosh.com/races/honolulu-marathon (is it open? https://bikoosh.com/races/is-honolulu-marathon-registration-open) - Chevron Houston Marathon 2027 (Houston, US): sold out since 2026-10-24, checked 2026-10-24; race day 2027-01-17. https://bikoosh.com/races/houston-marathon (is it open? https://bikoosh.com/races/is-houston-marathon-registration-open) - Stadtzuercher Seeueberquerung 2027 (Zurich, CH): registration closed since 2026-10-24, checked 2026-10-24; race day 2027-07-07. https://bikoosh.com/races/lake-zurich-swim (is it open? https://bikoosh.com/races/is-lake-zurich-swim-registration-open) - Life Time Leadville Trail 100 RUN presented by La Sportiva 2027 (Leadville, US): registration closed since 2026-10-24, checked 2026-10-24; opens 2026-12-01; closes 2026-12-15; race day 2027-08-21. https://bikoosh.com/races/leadville-trail-100-run (is it open? https://bikoosh.com/races/is-leadville-trail-100-run-registration-open) - L'Etape du Tour de France 2027 (35th edition) (Cluses, FR): registration closed since 2026-10-24, checked 2026-10-24; opens 2026-11-02; race day 2027-07-11. https://bikoosh.com/races/letape-du-tour-de-france (is it open? https://bikoosh.com/races/is-letape-du-tour-de-france-registration-open) - EDP Lisbon Marathon (Lisbon, PT): unconfirmed since 2026-10-24, checked 2026-10-24. https://bikoosh.com/races/lisbon-marathon (is it open? https://bikoosh.com/races/is-lisbon-marathon-registration-open) - 2027 Double TCS London Marathon (London, GB): ballot closed since 2026-10-24, checked 2026-10-24; race day 2027-04-24. https://bikoosh.com/races/london-marathon (is it open? https://bikoosh.com/races/is-london-marathon-registration-open) - MALLORCA 312 OK MOBILITY 2027 (Playa de Muro, ES): waitlist since 2026-10-24, checked 2026-10-24; race day 2027-04-24. https://bikoosh.com/races/mallorca-312 (is it open? https://bikoosh.com/races/is-mallorca-312-registration-open) - MDS Legendary 2027 (Sahara, MA): sold out since 2026-10-24, checked 2026-10-24; race day 2027-04-04. https://bikoosh.com/races/marathon-des-sables (is it open? https://bikoosh.com/races/is-marathon-des-sables-registration-open) - Maratona dles Dolomites - Enel 2027 (La Villa (Alta Badia), IT): registration open since 2026-10-24, checked 2026-10-24; opens 2026-10-14; closes 2026-11-10; race day 2027-07-04. https://bikoosh.com/races/maratona-dles-dolomites (is it open? https://bikoosh.com/races/is-maratona-dles-dolomites-registration-open) - Marine Corps Marathon 2026 (Arlington, US): registration open since 2026-10-24, checked 2026-10-24; opens 2026-04-06; race day 2026-10-25. https://bikoosh.com/races/marine-corps-marathon (is it open? https://bikoosh.com/races/is-marine-corps-marathon-registration-open) - Nike Melbourne Marathon Festival 2027 (Melbourne, AU): waitlist since 2026-10-24, checked 2026-10-24. https://bikoosh.com/races/melbourne-marathon (is it open? https://bikoosh.com/races/is-melbourne-marathon-registration-open) - Tata Mumbai Marathon 2027 (Mumbai, IN): registration open since 2026-10-24, checked 2026-10-24; opens 2026-07-31; closes 2026-11-05; race day 2027-01-17. https://bikoosh.com/races/mumbai-marathon (is it open? https://bikoosh.com/races/is-mumbai-marathon-registration-open) - 2026 TCS New York City Marathon (New York, US): sold out since 2026-10-24, checked 2026-10-24; opens 2026-02-04; closes 2026-02-25; race day 2026-11-01. https://bikoosh.com/races/new-york-city-marathon (is it open? https://bikoosh.com/races/is-new-york-city-marathon-registration-open) - ASICS Marathon de Paris 2027 (Paris, FR): ballot closed since 2026-10-24, checked 2026-10-24; opens 2026-09-08; closes 2026-09-30; race day 2027-04-04. https://bikoosh.com/races/paris-marathon (is it open? https://bikoosh.com/races/is-paris-marathon-registration-open) - Paris-Roubaix Challenge 2027 (17th edition) (Roubaix, FR): registration open since 2026-10-24, checked 2026-10-24; opens 2026-10-14; race day 2027-04-10. https://bikoosh.com/races/paris-roubaix-challenge (is it open? https://bikoosh.com/races/is-paris-roubaix-challenge-registration-open) - TIAA Philadelphia Marathon 2026 (Philadelphia, US): sold out since 2026-10-24, checked 2026-10-24; race day 2026-11-22. https://bikoosh.com/races/philadelphia-marathon (is it open? https://bikoosh.com/races/is-philadelphia-marathon-registration-open) - Vodafone Prague Marathon 2027 (Prague, CZ): registration open since 2026-10-24, checked 2026-10-24; race day 2027-05-02. https://bikoosh.com/races/prague-marathon (is it open? https://bikoosh.com/races/is-prague-marathon-registration-open) - Run Rome The Marathon 2027 (Rome, IT): registration open since 2026-10-24, checked 2026-10-24; race day 2027-03-14. https://bikoosh.com/races/rome-marathon (is it open? https://bikoosh.com/races/is-rome-marathon-registration-open) - NN Marathon Rotterdam 2027 (Rotterdam, NL): registration open since 2026-10-24, checked 2026-10-24; opens 2026-10-20; closes 2026-11-03; race day 2027-04-11. https://bikoosh.com/races/rotterdam-marathon (is it open? https://bikoosh.com/races/is-rotterdam-marathon-registration-open) - 2027 Seoul Marathon (Seoul, KR): registration open since 2026-10-24, checked 2026-10-24; opens 2026-09-01; race day 2027-03-21. https://bikoosh.com/races/seoul-marathon (is it open? https://bikoosh.com/races/is-seoul-marathon-registration-open) - Zurich Maraton de Sevilla 2027 (Seville, ES): sold out since 2026-10-24, checked 2026-10-24; opens 2026-04-09; closes 2027-02-15; race day 2027-02-21. https://bikoosh.com/races/seville-marathon (is it open? https://bikoosh.com/races/is-seville-marathon-registration-open) - 2026 Abu Dhabi Spartan World Championship Weekend (Abu Dhabi, AE): registration open since 2026-10-24, checked 2026-10-24; race day 2026-11-21. https://bikoosh.com/races/spartan-race-world-championship (is it open? https://bikoosh.com/races/is-spartan-race-world-championship-registration-open) - adidas Stockholm Marathon 2027 (Stockholm, SE): sold out since 2026-10-24, checked 2026-10-24; race day 2027-05-29. https://bikoosh.com/races/stockholm-marathon (is it open? https://bikoosh.com/races/is-stockholm-marathon-registration-open) - TCS Sydney Marathon presented by ASICS 2027 (Sydney, AU): ballot closed since 2026-10-24, checked 2026-10-24; opens 2026-09-29; closes 2026-10-19; race day 2027-08-29. https://bikoosh.com/races/sydney-marathon (is it open? https://bikoosh.com/races/is-sydney-marathon-registration-open) - Tel Aviv Marathon 2027 (Tel Aviv, IL): registration open since 2026-10-24, checked 2026-10-24; closes 2027-02-20; race day 2027-02-26. https://bikoosh.com/races/tel-aviv-marathon (is it open? https://bikoosh.com/races/is-tel-aviv-marathon-registration-open) - Tokyo Marathon 2027 (Tokyo, JP): ballot closed since 2026-10-24, checked 2026-10-24; opens 2026-08-14; closes 2026-08-28; race day 2027-03-07. https://bikoosh.com/races/tokyo-marathon (is it open? https://bikoosh.com/races/is-tokyo-marathon-registration-open) - We Ride Flanders 2027 (Tour of Flanders Cyclo) (Oudenaarde, BE): registration open since 2026-10-24, checked 2026-10-24; closes 2027-04-03; race day 2027-04-03. https://bikoosh.com/races/tour-of-flanders-cyclo (is it open? https://bikoosh.com/races/is-tour-of-flanders-cyclo-registration-open) - The North Face Transgrancanaria 2027 (Maspalomas, ES): sold out since 2026-10-24, checked 2026-10-24; opens 2026-07-01; closes 2027-02-02; race day 2027-02-26. https://bikoosh.com/races/transgrancanaria (is it open? https://bikoosh.com/races/is-transgrancanaria-registration-open) - RMB Ultra-trail Cape Town 2026 (Cape Town, ZA): registration open since 2026-10-24, checked 2026-10-24; opens 2026-02-26; race day 2026-11-20. https://bikoosh.com/races/ultra-trail-cape-town (is it open? https://bikoosh.com/races/is-ultra-trail-cape-town-registration-open) - HOKA UTMB Mont-Blanc (Chamonix, FR): registration closed since 2026-10-24, checked 2026-10-24. https://bikoosh.com/races/utmb-mont-blanc (is it open? https://bikoosh.com/races/is-utmb-mont-blanc-registration-open) - Valencia Marathon Trinidad Alfonso Zurich 2026 (Valencia, ES): sold out since 2026-10-24, checked 2026-10-24; opens 2025-12-11; race day 2026-12-06. https://bikoosh.com/races/valencia-marathon (is it open? https://bikoosh.com/races/is-valencia-marathon-registration-open) - Vasaloppet 2027 (Mora, SE): registration open since 2026-10-24, checked 2026-10-24; opens 2026-02-19; closes 2027-03-07; race day 2027-03-07. https://bikoosh.com/races/vasaloppet (is it open? https://bikoosh.com/races/is-vasaloppet-registration-open) - Vienna City Marathon 2027 (Vienna, AT): waitlist since 2026-10-24, checked 2026-10-24; closes 2026-09-20; race day 2027-04-18. https://bikoosh.com/races/vienna-city-marathon (is it open? https://bikoosh.com/races/is-vienna-city-marathon-registration-open) - Western States 100-Mile Endurance Run 2027 (Olympic Valley, US): registration closed since 2026-10-24, checked 2026-10-24; opens 2026-11-01; closes 2026-11-21; race day 2027-06-26. https://bikoosh.com/races/western-states-100 (is it open? https://bikoosh.com/races/is-western-states-100-registration-open) - XXVI. Zegama-Aizkorri (2027) (Zegama, ES): registration closed since 2026-10-24, checked 2026-10-24; opens 2027-01-11; closes 2027-01-22; race day 2027-06-06. https://bikoosh.com/races/zegama-aizkorri (is it open? https://bikoosh.com/races/is-zegama-aizkorri-registration-open) ## Open right now: https://bikoosh.com/races/open-now ## Opening soon: https://bikoosh.com/races/opening-soon ## Ballots: https://bikoosh.com/races/ballots ## Calendar (ICS): https://bikoosh.com/races/calendar.ics ## Alerts Free weekly digest: submit your email on any event page under https://bikoosh.com/races; the first email arrives at once with what is open today; unsubscribe in every email. Alerts and membership: Race Entry Watch alerts (Bikoosh Watch), 4 USD per month: https://bikoosh.com/races. Bikoosh is monitoring assistance, not complete protection.