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Half Marathon calendar London 2025-2026

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Explore the best half marathons in London for 2025-2026! Our updated list features 49 exciting races across the region. Find your next race in London below and join the running community at these great events!

July 2025
Jul
27
Sunday

RunUk - Wimbledon Half Marathon

10 km 13 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
Aug
10
Sunday

Richmond Park Half Marathon

13 mi
Aug
17
Sunday

Fix Events - Richmond Park Half Marathon

5 km 10 km 13 mi
Aug
23
Saturday

RunThrough - Lee Valley VeloPark

5 km 10 km 10 mi 13 mi
September 2025
Sep
7
Sunday

RunUk - Wimbledon Half Marathon

10 km 13 mi
Sep
7
Sunday

The Big Half - London

13 mi
Sep
7
Sunday

Fix Events - Richmond Park Half Marathon

5 km 10 km 13 mi
Sep
21
Sunday

Richmond Park Half Marathon

13 mi
October 2025
Oct
5
Sunday

Kingston Half Marathon

13 mi
Oct
5
Sunday

Thames Meander Autumn

Trail Run 10 km 13 mi
Oct
12
Sunday

Royal Parks Half Marathon

13 mi
Oct
12
Sunday

Richmond Park Half Marathon

13 mi
Oct
12
Sunday

Richmond Autumn Riverside 10k and Half Marathon

10 km 13 mi
Oct
19
Sunday

Fix Events - Richmond Park Half Marathon

5 km 10 km 13 mi
Oct
25
Saturday

RunThrough - Lee Valley VeloPark

5 km 10 km 13 mi
November 2025
Nov
2
Sunday

RunUk - Richmond Half Marathon

13 mi
Nov
2
Sunday

Run London Victoria Park Half Marathon

13 mi
Nov
9
Sunday

Richmond Park Half Marathon

13 mi
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