# Which races in the United Kingdom are open for entry?

12 of the 25 tracked events in the United Kingdom read open at the latest check: 2027 Phoenix Energy Belfast City Marathon, Altra Yorkshire Marathon 2027, Baxters Loch Ness Marathon 2027, Big Half 2027, CELTMAN! Extreme Scottish Triathlon 2027, Coventry Building Society Great North Swim 2027, Edinburgh Marathon 2027, Glasgow Kiltwalk Weekend 2027. Every status is read on the organiser's own registration page and dated.

- 2027 Double TCS London Marathon: ballot closed since 2026-10-24, race day 2027-04-24: https://bikoosh.com/races/london-marathon
- 2027 Phoenix Energy Belfast City Marathon: registration open since 2026-10-25, race day 2027-05-02: https://bikoosh.com/races/belfast-city-marathon
- Altra Yorkshire Marathon 2027: registration open since 2026-10-27, race day 2027-10-17: https://bikoosh.com/races/yorkshire-marathon
- Baxters Loch Ness Marathon 2027: registration open since 2026-10-27, race day 2027-09-26: https://bikoosh.com/races/loch-ness-marathon
- Big Half 2027: registration open since 2026-10-26, race day 2027-09-05: https://bikoosh.com/races/big-half
- Brighton Marathon 2027: sold out since 2026-10-25, opens 2026-04-12, race day 2027-04-04: https://bikoosh.com/races/brighton-marathon
- Cambridge Half Marathon 2027: registration closed since 2026-10-27, race day 2027-03-14: https://bikoosh.com/races/cambridge-half-marathon
- Cardiff Half Marathon 2027: sold out since 2026-10-25, race day 2027-10-03: https://bikoosh.com/races/cardiff-half-marathon
- CELTMAN! Extreme Scottish Triathlon 2027: ballot open since 2026-10-25, race day 2027-06-12: https://bikoosh.com/races/celtman-extreme-scottish-triathlon
- Coventry Building Society Great North Swim 2027: registration open since 2026-10-27, race day 2027-06-11: https://bikoosh.com/races/great-north-swim
- Dart10k 2027: registration closed since 2026-10-27: https://bikoosh.com/races/dart-10k
- Dirty Reiver 2027: waitlist since 2026-10-27, race day 2027-04-23: https://bikoosh.com/races/dirty-reiver
- 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
- Edinburgh Marathon 2027: registration open since 2026-10-24, race day 2027-05-30: https://bikoosh.com/races/edinburgh-marathon
- Ford RideLondon-Essex 100: registration closed since 2026-10-27: https://bikoosh.com/races/ridelondon-essex-100
- Glasgow Kiltwalk Weekend 2027: registration open since 2026-10-27, race day 2027-04-24: https://bikoosh.com/races/glasgow-kiltwalk
- Green Park Reading Half Marathon 2027: registration open since 2026-10-27, race day 2027-03-21: https://bikoosh.com/races/reading-half-marathon
- Liverpool Half Marathon 2027: registration open since 2026-10-27, race day 2027-03-14: https://bikoosh.com/races/liverpool-half-marathon
- London Landmarks Half Marathon 2027: ballot closed since 2026-10-27, race day 2027-04-04: https://bikoosh.com/races/london-landmarks-half
- London T100 Triathlon 2027: registration closed since 2026-10-27, race day 2027-08-21: https://bikoosh.com/races/london-t100-triathlon
- Oysho Royal Parks Half Marathon 2027: registration closed since 2026-10-25, race day 2027-10-10: https://bikoosh.com/races/royal-parks-half-marathon
- Ras yr Wyddfa Snowdon Race 2027: registration closed since 2026-10-27, opens 2027-03-01, race day 2027-07-17: https://bikoosh.com/races/snowdon-race
- South Downs Way 100 2027: registration open since 2026-10-27, opens 2026-07-19, race day 2027-06-12: https://bikoosh.com/races/south-downs-way-100
- 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
- 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.