Welwyn Garden City close

Half Marathon Calendar near Welwyn Garden City 2025-2026

Header image

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.

January 2026
Jan
24
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... 26 mi 50 km
Jan
25
Sunday

Windsor Trail Run

Trail Run 10 km 13 mi
February 2026
Feb
1
Sunday

ATW Watford Half Marathon

10 km 13 mi
Feb
15
Sunday

RunUk - Richmond Half Marathon

13 mi
Feb
22
Sunday

ATW Bedford Half Marathon

10 km 21 km
Feb
22
Sunday

The Milton Keynes Half Marathon Winter Warmer Run

5 km 10 km 13 mi
March 2026
Mar
1
Sunday

Chelmsford Half Marathon

5 km 10 km 13 mi
Mar
15
Sunday

Hampton Court Palace Half Marathon

13 mi
Mar
21
Saturday

ZigZag - Moo-rathon, Calf and Hen K at the Farm

Trail Run 10 km 21 km 42 km
Mar
22
Sunday

ATW Run Fest at Lee Valley

10 km 13 mi
Mar
22
Sunday

Brentwood Half Marathon

13 mi
Mar
22
Sunday

Windsor Trail Run

Trail Run 10 km 13 mi
Mar
28
Saturday

Run the Wild Half Marathon - Spring Edition

Trail Run 21 km
April 2026
Apr
2
Thursday

Saturn Running - Staines-upon-Thames

3 km 7 km ... 26 mi 50 km
Apr
3-4
Fr - Sa

The Enigma Easter Series

13 mi 50 km
Apr
5
Sunday

RunUk - Putney & Fulham Half Marathon

13 mi
Apr
6
Monday

ATW Stevenage Spring Half Marathon

10 km 21 km
Apr
12
Sunday

London Landmarks Half Marathon

13 mi
May 2026
May
3
Sunday

MK Marathon Weekend

5 km 13 mi 26 mi
May
16-17
Sa - Su

Hackney Half

5 km 13 mi
Articles
Top 10 Marathons in the Netherlands — The Ultimate Dutch Marathon Bucket List: 10 Unmissable Races
The Beauty of the Easy Run — Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series