| Event | Last held | Organiser |
|---|---|---|
| The Monster Ultra | Jun 2026 | |
|
The One for the Planet
1.5k3k5k5.75k10k10.4k11.5k8 Miles15k20.75k16 Miles30k41.5k51.5k55k750k
|
Jun 2026 | |
|
Windsor 50 Challenge
Half Marathon
|
Apr 2026 | |
| Easter 50 Ultra Challenge | Mar 2026 | |
|
Run Dorney Lake Half Marathon - March
5k10kHalf Marathon
|
Mar 2026 | |
|
Original Marathon IX
Marathon
|
Mar 2026 | Participation Sport Ltd · nothing upcoming listed |
|
Run Dorney Lake Half Marathon - February
5k10kHalf Marathon
|
Feb 2026 | |
|
Run Dorney Lake Half Marathon - January
5k10kHalf Marathon
|
Jan 2026 |
Sorted by most recent. Past events are kept permanently in this archive.