# Which races are in September 2027, and can you still enter?

22 tracked events have a race day in September 2027 as their organisers state it; 11 read open for entry at the latest check: Ultra Tour Monte Rosa 2027, Patagonian International Marathon 2027, Big Half 2027, Wizz Air Budapest Half Marathon 2027, Challenge Almere-Amsterdam 2027, RBC GranFondo Whistler 2027, DNB Oslo Maraton 2027, FirstEnergy Akron Marathon 2027. Each status is read on the organiser's own registration page and dated.

- Ultra Tour Monte Rosa 2027: registration open since 2026-10-25, opens 2026-10-01, race day 2027-09-02: https://bikoosh.com/races/ultra-tour-monte-rosa
- Marathon des Châteaux du Médoc 2027 (41st): registration closed since 2026-10-27, race day 2027-09-04: https://bikoosh.com/races/marathon-du-medoc
- Patagonian International Marathon 2027: registration open since 2026-10-27, race day 2027-09-04: https://bikoosh.com/races/patagonian-international-marathon
- Swiss Cycling Alpenbrevet 2027: registration closed since 2026-10-27, race day 2027-09-04: https://bikoosh.com/races/alpenbrevet
- Big Half 2027: registration open since 2026-10-26, race day 2027-09-05: https://bikoosh.com/races/big-half
- Wizz Air Budapest Half Marathon 2027: registration open since 2026-10-27, race day 2027-09-05: https://bikoosh.com/races/wizz-air-budapest-half-marathon
- 56th Waikiki Roughwater Swim: registration closed since 2026-10-27, race day 2027-09-06: https://bikoosh.com/races/waikiki-roughwater-swim
- Dragon's Back Race 2027: unconfirmed since 2026-10-25, opens 2026-09-28, race day 2027-09-06: https://bikoosh.com/races/dragons-back-race
- OTILLO Swimrun World Championship 2027: unconfirmed since 2026-10-25, race day 2027-09-06: https://bikoosh.com/races/otillo-swimrun-world-championship
- Challenge Almere-Amsterdam 2027: registration open since 2026-10-25, race day 2027-09-09: https://bikoosh.com/races/challenge-almere-amsterdam
- The Rut Mountain Runs 2027: registration closed since 2026-10-27, opens 2027-01-12, race day 2027-09-09: https://bikoosh.com/races/the-rut-mountain-runs
- Jungfrau-Marathon 2027 (34th): registration closed since 2026-10-27, opens 2027-02-14, race day 2027-09-10: https://bikoosh.com/races/jungfrau-marathon
- RBC GranFondo Whistler 2027: registration open since 2026-10-25, race day 2027-09-11: https://bikoosh.com/races/rbc-granfondo-whistler
- Volksbank Münster Marathon 2027: registration closed since 2026-10-27, race day 2027-09-12: https://bikoosh.com/races/muenster-marathon
- DNB Oslo Maraton 2027: registration open since 2026-10-27, race day 2027-09-18: https://bikoosh.com/races/oslo-marathon
- Copenhagen Half Marathon 2027: ballot closed since 2026-10-27, race day 2027-09-19: https://bikoosh.com/races/copenhagen-half-marathon
- Pikes Peak Marathon 2027: registration closed since 2026-10-25, opens 2027-03-01, race day 2027-09-19: https://bikoosh.com/races/pikes-peak-marathon
- FirstEnergy Akron Marathon 2027: registration open since 2026-10-27, race day 2027-09-25: https://bikoosh.com/races/akron-marathon
- Baxters Loch Ness Marathon 2027: registration open since 2026-10-27, race day 2027-09-26: https://bikoosh.com/races/loch-ness-marathon
- GENERALI BERLIN-MARATHON 2027: ballot open since 2026-10-24, opens 2026-10-01, race day 2027-09-26: https://bikoosh.com/races/berlin-marathon
- HCA Marathon 2027: unconfirmed since 2026-10-27, race day 2027-09-26: https://bikoosh.com/races/hca-marathon
- Wizz Air Ealing Half Marathon 2027: registration open since 2026-10-27, race day 2027-09-26: https://bikoosh.com/races/ealing-half-marathon

Race Entry Watch is an independent, sourced tracker, not affiliated with any organiser. Every status is read on the event's own registration page on the date shown; dates and fees are quoted as the organiser states them; an entry is yours to make on the organiser's site.