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Trail Running Calendar near Greater London 2025-2026

Explore the top trail runs near Greater London for 2025-2026! We've gathered 91 exciting races in the area. Check out our detailed list below to find your next local race.

June 2026
Jun
5
Friday

Saturn 7 Hour Time Challenge - Wraysbury

Trail Run 3 km 3 mi 7 km
Jun
10
Wednesday

Chase the Sun Clapham 10k

Trail Run 5 km 10 km
Jun
14
Sunday

3 Brewers 10km

Trail Run 10 km
Jun
20
Saturday

Beyond Trails London

Trail Run 26 km 55 km
Jun
20-21
Sa - Su

Centaur 100 Mile Ultra

Trail Run Half Marathon Marathon ... 100 mi 24 hr
Jun
20
Saturday

Phoenix - Denbies Marathon & Half Marathon

Trail Run Half Marathon Marathon
Jun
21
Sunday

Midsummer Munro

Trail Run 13 mi
Jun
21
Sunday

The Martian Race

Trail Run 5 km 10 km Half Marathon
July 2026
Jul
3-4
Fr - Sa

The Full Essex Way Ultra

Trail Run 82 mi
Jul
3
Friday

Saturn 7 Hour Time Challenge - Wraysbury

Trail Run 3 km 7 km ... 50 km 7 hr
Jul
7
Tuesday

Thursley Common 10km

Trail Run 10 km
Jul
19
Sunday

ATW St Albans Summer 10k

Trail Run 10 km
Jul
23
Thursday

Stately Trails: Aske

Trail Run 5 km 10 km
Jul
24
Friday

Saturn 7 Hour Time Challenge - Wraysbury

Trail Run 7 hr
Jul
26
Sunday

Maidenhead Trail Run

Trail Run 5 km 10 km Half Marathon
August 2026
Aug
1
Saturday

North Downs 50 Ultra Challenge

Trail Run 10 km 24 km 25 km 50 km
Aug
2
Sunday

Vanguard Way Marathon

Trail Run 13 mi 26 mi
Aug
7
Friday

Saturn 7 Hour Time Challenge - Wraysbury

Trail Run 3 km 7 km ... Marathon 50 km
Aug
30
Sunday

Windsor Trail Run Half Marathon

Trail Run 10 km Half Marathon
Aug
30
Sunday

Woldingham Marathon

Trail Run 13 mi 26 mi
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