Welwyn Garden City close

Half Marathon Calendar near Welwyn Garden City 2025-2026

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Monthly updates for Welwyn Garden City

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Explore the top half marathons near Welwyn Garden City for 2025-2026! We've gathered 185 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
20
Sa

RunThrough - Lee Valley VeloPark

5 km 10 km 10 mi Half Marathon
Dec
24
We

Die Hard Christmas Marathon

Trail Run Half Marathon Marathon
Dec
25
Th

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Dec
25
Th

Saturn Running - Egham

Trail Run 3 km 5 km ... Marathon 50 km
Dec
28
Su

Phoenix - Year End Marathon & Half Marathon

Half Marathon Marathon
Dec
29
Mo

Five Gold Rings

Trail Run 5 km 7 mi Half Marathon
January 2026
Jan
1
Th

Saturn Running - Staines-upon-Thames

3 km 5 km ... Marathon 50 km
Jan
1
Th

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Jan
3-4
Sa - Su

FA Cup Run Marathons

Half Marathon Marathon
Jan
4
Su

Victoria Park Half Marathon

5 km 10 km Half Marathon
Jan
9
Fr

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... 50 km 7 hr
Jan
10
Sa

Saturn Running - Staines-upon-Thames

3 km 5 km ... Marathon 50 km
Jan
11
Su

RunThrough - Battersea Park

Half Marathon
Jan
18
Su

Run Dorney Lake Marathon

5 km 10 km Half Marathon
Jan
18
Su

RunThrough - Finsbury Park

5 km 10 km Half Marathon
Jan
18
Su

The One in the Park - Victoria Park

10 km 10 mi Half Marathon
Jan
24
Sa

Saturn Running - Staines-upon-Thames

3 km 5 km ... Marathon 50 km
Jan
24
Sa

Lee Valley Velo Park Half Marathon

5 km 10 km 10 mi Half Marathon
Jan
24
Sa

Running Tribe Races

Trail Run 7 km 10 km ... 30 mi 40 mi
Jan
25
Su

Windsor Trail Run Half Marathon

Trail Run 10 km Half Marathon