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Half Marathon Calendar near Welwyn Garden City 2025-2026

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Explore the top half marathons near Welwyn Garden City for 2025-2026! We've gathered 132 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
17
Sunday

RunUk - Wimbledon Half Marathon

13 mi
May
31
Sunday

Circuit du Sore Legs

Backyard Ultra 5 km 10 km ... 50 km 6 hr
June 2026
Jun
6-7
Sa - Su

Show Me The Manet

13 mi 26 mi 50 km
Jun
7
Sunday

Hitchin Half Marathon & Tough 10 Miler

5 mi 10 mi 13 mi
Jun
14
Sunday

ATW St Albans Half Marathon

5 km 10 km 13 mi
Jun
21
Sunday

Dunstable Downs Half Marathon

Trail Run 21 km
Jun
27
Saturday

Zigzag - Cock-A-Doodle Dawdle

Trail Run 5 km 10 km 13 mi 26 mi
Jun
28
Sunday

Marlow Trail Run

Trail Run 5 km 10 km 13 mi
July 2026
Jul
26
Sunday

Maidenhead Trail Run

Trail Run 5 km 10 km 13 mi
August 2026
Aug
30
Sunday

Windsor Trail Run

Trail Run 10 km 13 mi
October 2026
Oct
18
Sunday

Hampton Court Palace Half Marathon

13 mi
November 2026
Nov
8
Sunday

Windsor Trail Run

Trail Run 10 km 13 mi
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