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Half Marathon Calendar South East (England) 2025-2026

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Explore the best half marathons in South East (England) for 2025-2026! Our updated list features 145 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!

July 2025
Jul
5-6
Sa - Su

Jaws 50th Anniversary

13 mi 26 mi
Jul
5
Saturday

Fixaddiction Half Marathon

5 km 10 km 13 mi
Jul
5
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... 26 mi 50 km
Jul
5
Saturday

Saturn 7 Hour Time Challenge

5 km 7 km ... 26 mi 50 km
Jul
6
Sunday

Runaway Racing - Chiltern Ridge Half Marathon

Trail Run 13 mi
Jul
6
Sunday

Running GP at Goodwood Motor Circuit Races & Duathlons

5 km 10 km 13 mi
Jul
12-13
Sa - Su

Enigma Live Aid

13 mi 26 mi
Jul
13
Sunday

Run Dorney Lake Half Marathon

5 km 10 km 13 mi
Jul
18
Friday

Saturn 7 Hour Time Challenge

5 km 7 km ... 26 mi 50 km
Jul
19
Saturday

Hughenden Valley Half Marathon

Trail Run 13 mi
Jul
19-20
Sa - Su

Marcos Jarvis ‘cancer Free' Celebration Run

13 mi 50 km 100 km
Jul
19
Saturday

Run Whitstable & Herne Bay Summer Half Marathon

5 km 10 km 13 mi
Jul
19
Saturday

Ciderthon

5 km 13 mi
Jul
20
Sunday

Bright Skies - Surrey Hills

Trail Run 5 km 10 km 13 mi 26 mi
Jul
20
Sunday

Surrey Slog

Trail Run 10 mi 13 mi
Jul
20
Sunday

Saturn Running - Staines-upon-Thames

3 km 13 mi 26 mi 50 km
Jul
26
Saturday

The Maverick X Series East Sussex

Trail Run 6 km 14 km ... 42 km 50 km
Jul
26
Saturday

The ONE British PB Half Marathon Run

5 km 10 km 13 mi
Jul
27
Sunday

Run Dorney Half Marathon

5 km 10 km 13 mi
Jul
27
Sunday

White Horse Gallop

Trail Run 13 mi
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