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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 136 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!

April 2025
Apr
4
Friday

Saturn Running - Egham

Trail Run 5 km 7 km ... 42 km 50 km
Apr
5
Saturday

Guided Half Marathon - Winchester

Trail Run 13 mi
Apr
5
Saturday

Run Dorney Lake Marathon

5 km 10 km 13 mi
Apr
6
Sunday

Kent Coastal Half Marathon

10 km 13 mi
Apr
11
Friday

Saturn Running - Staines-upon-Thames

5 km 7 km ... 26 mi 50 km
Apr
12
Saturday

Henley River Half Marathon

Trail Run 10 km 13 mi
Apr
12
Saturday

Saturn Running - Egham

Trail Run 5 km 21 km 42 km 50 km
Apr
13
Sunday

Kent Spring Marathon & Half Marathon

21 km 42 km
Apr
13
Sunday

Martello Half Marathon

Trail Run 13 mi
Apr
14
Monday

Saturn Running - Englefield Green

5 km 7 km ... 26 mi 50 km
Apr
18-19
Fr - Sa

The Enigma Easter Series

13 mi 26 mi
Apr
18
Friday

Saturn Running - Staines-upon-Thames

5 km 7 km ... 26 mi 50 km
Apr
26
Saturday

Magna Carta Spring

Trail Run 10 km 13 mi 26 mi
Apr
27
Sunday

Rathfinny Run

Trail Run 10 km 21 km
Apr
27
Sunday

Surrey Hills Half Marathon

Trail Run 13 mi
May 2025
May
2
Friday

Saturn Running - Egham

Trail Run 5 km 7 km ... 26 mi 50 km
May
4
Sunday

Three Forts Challenge

Trail Run 5 mi 13 mi 27 mi
May
4-5
Su - Mo

MK Marathon Weekend

5 km 13 mi 26 mi
May
5
Monday

Saturn Running - Staines-upon-Thames

5 km 7 km ... 26 mi 50 km
May
10
Saturday

Bewl Water Spring

Trail Run 10 km 13 mi 26 mi
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