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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 20 exciting races across the region. Find your next race in London below and join the running community at these great events!

February 2025
Feb
9
Sunday

Run London Epping Forest Trail

Trail Run 10 km
March 2025
Mar
9
Sunday

Thames Meander Marathon

Trail Run 10 km 13 mi 26 mi
Mar
9
Sunday

Thames Meander Spring

Trail Run 10 km 13 mi 26 mi
May 2025
May
3
Saturday

Centurion Thames Path 100

Trail Run 100 mi
May
10
Saturday

London 100

Trail Run 100 km
May
18
Sunday

Richmond Park Marathon

Trail Run 26 mi
May
24
Saturday

Grand Union Canal 145 Mile (GUCR)

Trail Run 145 mi
May
24
Saturday

London 2 Brighton Ultra Challenge

Trail Run 25 km 50 km 75 km 100 km
June 2025
Jun
7
Saturday

Jubilee Hall Trust - Run for Your Life

Trail Run 5 km 10 km
Jun
12
Thursday

Stately Trails: Forcett Park

Trail Run 5 km 10 km
Jun
21
Saturday

Beyond London

Trail Run 25 km 55 km
Jun
22
Sunday

Triffic Trail, London

Trail Run 4 km 10 km
July 2025
Jul
24
Thursday

Stately Trails: Aske

Trail Run 5 km 10 km
Jul
25
Friday

Kennet & Avon Canal 145 Mile Race

Trail Run 145 mi
August 2025
Aug
3
Sunday

Vanguard Way Marathon

Trail Run 13 mi 26 mi
Aug
9
Saturday

Thames Meander Summer

Trail Run 10 km 13 mi 26 mi
September 2025
Sep
13-14
Sa - Su

Thames Path Ultra Challenge

Trail Run 10 km 25 km ... 75 km 100 km
October 2025
Oct
4
Saturday

London Epping Forest 50 Km

Trail Run 50 km
Oct
5
Sunday

Thames Meander Autumn

Trail Run 10 km 13 mi 26 mi
November 2025
Nov
23
Sunday

Kingston 10k

Trail Run 10 km
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