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

52 tracked events have a race day in May 2027 as their organisers state it; 32 read open for entry at the latest check: ADAC Velotour Eschborn-Frankfurt 2027, 2027 Phoenix Energy Belfast City Marathon, Bloomsday 2027, BMO Vancouver Marathon 2027, Cocodona 250 2027, TD Five Boro Bike Tour 2027, Vodafone Prague Marathon 2027, Innsbruck Alpine Trailrun Festival 2027. Each status is read on the organiser's own registration page and dated.

- ADAC Velotour Eschborn-Frankfurt 2027: registration open since 2026-10-27, race day 2027-05-01: https://bikoosh.com/races/eschborn-frankfurt-adac-velotour
- Belgian Waffle Ride California 2027: unconfirmed since 2026-10-25, race day 2027-05-01: https://bikoosh.com/races/belgian-waffle-ride-california
- Miwok 100K 2027: registration closed since 2026-10-27, opens 2026-11-07, race day 2027-05-01: https://bikoosh.com/races/miwok-100k
- 2027 Phoenix Energy Belfast City Marathon: registration open since 2026-10-25, race day 2027-05-02: https://bikoosh.com/races/belfast-city-marathon
- Bloomsday 2027: registration open since 2026-10-25, opens 2027-01-01, race day 2027-05-02: https://bikoosh.com/races/bloomsday-run
- BMO Vancouver Marathon 2027: registration open since 2026-10-25, race day 2027-05-02: https://bikoosh.com/races/bmo-vancouver-marathon
- Cocodona 250 2027: registration open since 2026-10-26, race day 2027-05-02: https://bikoosh.com/races/cocodona-250
- Dublin City Council Dublin City Half Marathon 2027: registration closed since 2026-10-27, race day 2027-05-02: https://bikoosh.com/races/dublin-city-half-marathon
- Lincoln Marathon & Half Marathon 2027: registration closed since 2026-10-27, opens 2026-12-05, race day 2027-05-02: https://bikoosh.com/races/lincoln-marathon
- TD Five Boro Bike Tour 2027: registration open since 2026-10-27, race day 2027-05-02: https://bikoosh.com/races/five-boro-bike-tour
- Vodafone Prague Marathon 2027: registration open since 2026-10-24, race day 2027-05-02: https://bikoosh.com/races/prague-marathon
- Innsbruck Alpine Trailrun Festival 2027: registration open since 2026-10-27, opens 2026-09-09, race day 2027-05-05: https://bikoosh.com/races/innsbruck-alpine-trailrun-festival
- Ice Age Trail 50 2027: registration closed since 2026-10-27, opens 2026-12-13, race day 2027-05-08: https://bikoosh.com/races/ice-age-trail-50
- IU Health 500 Festival Mini-Marathon 2027: registration open since 2026-10-25, race day 2027-05-08: https://bikoosh.com/races/indy-mini-marathon
- Transvulcania 2027: registration open since 2026-10-25, opens 2026-05-22, race day 2027-05-08: https://bikoosh.com/races/transvulcania
- Valio Helsinki City Run 2027: registration open since 2026-10-25, race day 2027-05-08: https://bikoosh.com/races/helsinki-city-run
- Copenhagen Marathon 2027: ballot closed since 2026-10-24, opens 2026-05-13, race day 2027-05-09: https://bikoosh.com/races/copenhagen-marathon
- Granfondo BGY Airport Felice Gimondi 2027: registration open since 2026-10-27, race day 2027-05-09: https://bikoosh.com/races/granfondo-felice-gimondi
- Mother's Day Classic 2027: registration closed since 2026-10-27, race day 2027-05-09: https://bikoosh.com/races/mothers-day-classic
- Sporting Life 10K 2027: registration closed since 2026-10-27, race day 2027-05-09: https://bikoosh.com/races/sporting-life-10k
- Wheelbase Fred Whitton Challenge 2027: registration closed since 2026-10-24, opens 2026-12-01, race day 2027-05-09: https://bikoosh.com/races/fred-whitton-challenge
- Denver Colfax Marathon 2027: registration open since 2026-10-27, race day 2027-05-15: https://bikoosh.com/races/colfax-marathon
- Grand Prix von Bern 2027 (45th): registration open since 2026-10-27, race day 2027-05-15: https://bikoosh.com/races/grand-prix-von-bern
- Great Ocean Road Running Festival 2027: registration open since 2026-10-27, race day 2027-05-15: https://bikoosh.com/races/great-ocean-road-running-festival
- Great Wall Marathon 2027: registration open since 2026-10-27, race day 2027-05-15: https://bikoosh.com/races/great-wall-marathon
- University Hospitals Cleveland Marathon 2027: registration open since 2026-10-27, race day 2027-05-15: https://bikoosh.com/races/cleveland-marathon
- Bay to Breakers 2027: registration open since 2026-10-27, race day 2027-05-16: https://bikoosh.com/races/bay-to-breakers
- GFNY World Championship NYC 2027: unconfirmed since 2026-10-24, race day 2027-05-16: https://bikoosh.com/races/gran-fondo-new-york
- Maratón de Santiago 2027: registration open since 2026-10-27, race day 2027-05-16: https://bikoosh.com/races/maraton-de-santiago
- Rimi Riga Marathon 2027: registration open since 2026-10-25, race day 2027-05-16: https://bikoosh.com/races/rimi-riga-marathon
- Royal Run 2027: sold out since 2026-10-27, race day 2027-05-17: https://bikoosh.com/races/royal-run
- Fargo Marathon 2027: registration open since 2026-10-27, race day 2027-05-21: https://bikoosh.com/races/fargo-marathon
- Göteborgsvarvet 2027: sold out since 2026-10-25, race day 2027-05-22: https://bikoosh.com/races/goteborgsvarvet
- Hospital Hill Run 2027: registration open since 2026-10-27, race day 2027-05-22: https://bikoosh.com/races/hospital-hill-run
- 25. WVV Marathon Würzburg 2027: registration open since 2026-10-27, race day 2027-05-23: https://bikoosh.com/races/wuerzburg-marathon
- Nove Colli 2027: registration closed since 2026-10-25, opens 2026-12-05, race day 2027-05-23: https://bikoosh.com/races/nove-colli
- Rund um Köln Jedermann 2027: sold out since 2026-10-27, race day 2027-05-23: https://bikoosh.com/races/rund-um-koeln
- Salzburg Marathon 2027: registration open since 2026-10-27, race day 2027-05-23: https://bikoosh.com/races/salzburg-marathon
- Sanlam Cape Town Marathon 2027: ballot closed since 2026-10-24, opens 2026-06-10, race day 2027-05-23: https://bikoosh.com/races/cape-town-marathon
- The Championship (Challenge Family) 2027: registration open since 2026-10-27, race day 2027-05-23: https://bikoosh.com/races/challenge-championship-samorin
- XIII Festiwal Biegu Rzeźnika 2027: registration open since 2026-10-27, race day 2027-05-26: https://bikoosh.com/races/bieg-rzeznika
- MaXi-Race du lac d'Annecy 2027: waitlist since 2026-10-27, race day 2027-05-28: https://bikoosh.com/races/maxi-race-annecy
- Mecklenburger Seen Runde 2027: registration open since 2026-10-27, opens 2026-10-01, race day 2027-05-28: https://bikoosh.com/races/mecklenburger-seen-runde
- adidas Stockholm Marathon 2027: sold out since 2026-10-24, race day 2027-05-29: https://bikoosh.com/races/stockholm-marathon
- Bayshore Marathon 2027: registration closed since 2026-10-27, opens 2026-12-01, race day 2027-05-29: https://bikoosh.com/races/bayshore-marathon
- Tamarack Ottawa Race Weekend 2027: registration open since 2026-10-27, race day 2027-05-29: https://bikoosh.com/races/ottawa-race-weekend
- 20 km de Bruxelles 2027 (47th): registration closed since 2026-10-27, race day 2027-05-30: https://bikoosh.com/races/20km-de-bruxelles
- Beneva Calgary Marathon 2027: registration open since 2026-10-25, race day 2027-05-30: https://bikoosh.com/races/calgary-marathon
- Edinburgh Marathon 2027: registration open since 2026-10-24, race day 2027-05-30: https://bikoosh.com/races/edinburgh-marathon
- Eroica Montalcino 2027: registration open since 2026-10-27, race day 2027-05-30: https://bikoosh.com/races/eroica-montalcino
- M&T Bank Vermont City Marathon & Relay 2027: registration open since 2026-10-27, race day 2027-05-30: https://bikoosh.com/races/vermont-city-marathon
- Saskatchewan Marathon 2027: registration closed since 2026-10-27, opens 2026-11-26, race day 2027-05-30: https://bikoosh.com/races/saskatchewan-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.