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Half Marathon Calendar near Brentwood 2025-2026

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Explore the top half marathons near Brentwood for 2025-2026! We've gathered 95 exciting races in the area. Check out our detailed list below to find your next local race.

June 2026
Jun
6
Sa

RunThrough - Battersea Park
10 km Half Marathon
Jun
7
Su

The One in the Park - Richmond
10 km Half Marathon
Jun
14
Su

ATW St Albans Half Marathon
2 mi 5 km 10 km 13 mi
Jun
21
Su

RunThrough - Finsbury Park
5 km 10 km Half Marathon
Jun
21
Su

Wimbledon Half Marathon
10 km Half Marathon
Jun
27
Sa

Zigzag - Cock-A-Doodle Dawdle
Trail Run 5 km 10 km ... Half Marathon Marathon
Jun
27
Sa

Lee Valley Velo Park Half Marathon
5 km 10 km 10 mi Half Marathon
Jun
28
Su

Richmond Park Half Marathon
Half Marathon
July 2026
Jul
18
Sa

RunThrough - Battersea Park
10 km Half Marathon
Jul
26
Su

Wimbledon Half Marathon
10 km Half Marathon
August 2026
Aug
2
Su

Vanguard Way Marathon
Trail Run 13 mi 26 mi
Aug
8
Sa

RunThrough - Battersea Park
10 km Half Marathon
Aug
9
Su

Thames Meander Summer
Trail Run 10 km 13 mi 26 mi
Aug
15
Sa

Lee Valley Velo Park Half Marathon
5 km 10 km 10 mi 13 mi
Aug
30
Su

Woldingham Marathon
Trail Run 13 mi 26 mi
September 2026
Sep
6
Su

Wimbledon Half Marathon
10 km Half Marathon
Sep
6
Su

The Big Half - London
Half Marathon
Sep
13
Su

Richmond Park Half Marathon
Trail Run 13 mi
Sep
13
Su

Basildon Half Marathon
Half Marathon
Sep
26
Sa

RunThrough - Battersea Park
10 km Half Marathon