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Half Marathon Calendar near Sunbury-on-Thames 2025-2026

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Monthly updates for Sunbury-on-Thames

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Explore the top half marathons near Sunbury-on-Thames for 2025-2026! We've gathered 217 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
14
Su

Crystal Palace Half Marathon

5 km 10 km Half Marathon
Dec
14
Su

Mince Pi Run - Races of 2 Decimal Places

Trail Run 3 mi 6 mi ... 28 mi 31 mi
Dec
14
Su

Running Tribe Races

Trail Run 7 km 10 km ... 30 mi 40 mi
Dec
14
Su

Fix Events - Richmond Park Half Marathon

5 km 10 km Half Marathon
Dec
20
Sa

RunThrough - Lee Valley VeloPark

5 km 10 km 10 mi Half 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
31
We

Phoenix Running - Ardingly

Trail Run 5 km 10 km ... Marathon 7 hr
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
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
9
Fr

Saturn Running - Midweek Chasing Numbers

3 km 5 km ... 50 km 7 hr
Jan
9
Fr

Phoenix Fridays

Backyard Ultra 5 km 10 km Half Marathon Marathon
Jan
10
Sa

Saturn Running - Staines-upon-Thames

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

RunThrough - Battersea Park

Half Marathon
Jan
17
Sa

Phoenix Running - Walton-on-Thames

Trail Run 5 km 10 km Half Marathon 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