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Half Marathon Calendar near Brentwood 2025-2026

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Monthly updates for Brentwood

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Explore the top half marathons near Brentwood for 2025-2026! We've gathered 90 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
5
Su

Putney & Fulham Half Marathon

Half Marathon
Apr
5
Su

Wimbledon Half Marathon

10 km Half Marathon
Apr
6
Mo

Stevenage Spring Half Marathon

10 km Half Marathon
Apr
12
Su

London Landmarks Half Marathon

Half Marathon
Apr
12
Su

Richmond Park Half Marathon

Half Marathon
Apr
19
Su

Saltmarsh Half Marathon

Half Marathon
Apr
19
Su

Crystal Palace Half Marathon

5 km 10 km Half Marathon
Apr
25
Sa

Lee Valley Velo Park Half Marathon

5 km 10 km 10 mi 13 mi
May 2026
May
3
Su

Wimbledon Half Marathon

10 km Half Marathon
May
17
Su

Wimbledon Half Marathon

5 km 10 km Half Marathon
May
17
Su

The Maypole Project Chislehurst Half Marathon

Half Marathon
May
24
Su

Richmond Park Half Marathon

Half Marathon
May
30
Sa

RunThrough - Battersea Park

10 km Half Marathon
May
31
Su

Circuit du Sore Legs

Backyard Ultra 5 km 10 km ... 50 km 6 hr
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 Half Marathon
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