Ultra Challenge Windsor 50
Fifty, twenty-five or ten kilometres of Thames Path and Windsor parkland from the racecourse.
| Distance | Ascent | Per km |
|---|---|---|
| 50km | 320 m | 6 m |
| 25km | 175 m | 7 m |
| 10K | 25 m | 3 m |
Nobody has reviewed this one yet
No reviews of the Windsor 50, and nothing on what people wore. Both are things no organiser publishes and every runner wants before they enter — how it actually went, and what was on your feet.
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Pick your distance
Start time not confirmed yet — check with the organiser.
What you’re in for
Two loops from Windsor Racecourse making a figure of eight — through the Great Park under the castle, out to Runnymede and back along the Thames Path — 50km with 320m of climb on the organiser's figures, a 25km with 175m, and a 10km that is as near flat as makes no difference. Mid-April, in daylight, and the first long day of the year for a lot of the field. An Ultra Challenge event, which means walkers, joggers and runners on the same course, signed with pink arrows and glow sticks after dark, with a covered rest stop every twelve kilometres or so — food, drink, medics, toilets — and a bigger one every twenty-five. Runners can enter with a target time; most of the field will be walking.
Terrain and trail
Parkland track and grass in the Great Park, towpath along the Thames, tarmac and pavement between. Flat and firm, and what climbing there is sits in the park. A road shoe.
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Other races near here
Berkshire races →Races from other organisers starting within 30 km of Windsor Racecourse, Berkshire, nearest first.
21
Nov
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Thames Path Trail Run
Alexandra Gardens, 3 Alma Rd, Windsor, Berkshire · UK Running Events · 0 miles away
Flat riverside run on the Thames Path from Alexandra Gardens, Windsor
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Not open yet
£39.5–£44.5
22
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Beat the Sunset 50km
Summerleaze Park, Maidenhead · Racing Line Running · 6 miles away
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£68–£70
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Rebellion 10km
Marlow Rugby Club, Riverwoods, Marlow · Racing Line Running · 9 miles away
Bank holiday trail 10km by the Thames from Marlow Rugby Club
Not open yet
£31–£33
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Thames Path 100
Richmond upon Thames, London · Centurion Running · 13 miles away
Richmond to Oxford beside the river. The flattest hundred in Britain.
EXPERT
Entries open
How to enter
Sat, 17 Apr 2027 · Entries open
Enter on their website ↗Entries are handled by Ultra Challenge, not by us. We take nothing for sending you there.
Add to your calendar · as an all-day entry, until the start time is confirmed
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Common questions
- The Windsor 50 offers 3 distances: 50km (31.1 miles), 25km (15.5 miles), 10K (6.2 miles).