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Trail Running Calendar London 2025-2026

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Explore the best trail runs in London for 2025-2026! Our updated list features 15 exciting races across the region. Find your next race in London below and join the running community at these great events!

December 2025
Dec
7
Su

Phoenix Running - Greater London

Trail Run 3 mi 7 mi ... 26 mi 28 mi
Dec
13
Sa

Middlesex Cross County Championships

Trail Run 3 km 4 km ... 8 km 12 km
February 2026
Feb
15
Su

Phoenix Running - Greater London

Trail Run 3 mi 7 mi ... 26 mi 28 mi
March 2026
Mar
8
Su

Thames Meander Spring

Trail Run 10 km Half Marathon Marathon
May 2026
May
2
Sa

Centurion Thames Path 100

Trail Run 100 mi
May
24
Su

Richmond Park Marathon

Trail Run 26 mi
May
24
Su

Queen of the Suburbs Ultra

Trail Run 25 km 50 km
June 2026
Jun
10
We

Chase the Sun Clapham 10k

Trail Run 5 km 10 km
Jun
20
Sa

Beyond Trails London

Trail Run 26 km 55 km
August 2026
Aug
2
Su

Vanguard Way Marathon

Trail Run 13 mi 26 mi
Aug
9
Su

Thames Meander Summer

Trail Run 10 km 13 mi 26 mi
September 2026
Sep
12-13
Sa - Su

Thames Path Ultra Challenge

Trail Run 10 km 25 km ... 75 km 100 km
Sep
13
Su

Richmond Park Half Marathon

Trail Run 13 mi
October 2026
Oct
3
Sa

London Epping Forest 50 Km

Trail Run 50 km
Oct
4
Su

Thames Meander Autumn

Trail Run 10 km Half Marathon Marathon