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Half Marathon Calendar South East (England) 2026-2027

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Monthly updates for South East (England)

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Explore the best half marathons in South East (England) for 2026-2027! Our updated list features 216 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!

May 2026
May
16
Sa

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
May
17
Su

Phoenix Running - Ewhurst

Trail Run 5 km 10 km Half Marathon Marathon
May
23
Sa

South Downs

Trail Run Half Marathon 20 mi 50 km 100 km
May
23
Sa

Phoenix Running - Hampshire

Backyard Ultra 3 mi 13 mi 26 mi 29 mi
May
29
Fr

Saturn Running - Midweek Chasing Numbers

3 km 5 km ... Marathon 50 km
May
31
Su

Southampton Running Festival

Trail Run 5 km 10 km Half Marathon
May
31
Su

Macknade

10 km Half Marathon
June 2026
Jun
3
We

Surrey Hills Half Marathon

Trail Run 13 mi
Jun
5
Fr

Saturn Running - Midweek Chasing Numbers

3 km 5 km ... 50 km 7 hr
Jun
6-7
Sa - Su

Show Me The Manet

Half Marathon Marathon
Jun
6
Sa

Run Dorney Lake Marathon

5 km 10 km Half Marathon
Jun
6
Sa

Phoenix Running - Westhumble

Trail Run 5 km 10 km Half Marathon Marathon
Jun
7
Su

Weybridge Half Marathon

5 km 10 km Half Marathon
Jun
7
Su

Saturn Running - Staines-upon-Thames

3 km 5 km ... 50 km 7 hr
Jun
7
Su

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Jun
7
Su

Alice Holt Wild Trail Runs

Trail Run 10 km Half Marathon
Jun
13
Sa

Bewl Water Summer

Trail Run 10 km 13 mi 26 mi 50 km
Jun
14
Su

The Hampshire Hoppit

Trail Run 10 km Half Marathon Marathon
Jun
14
Su

Saturn Running - Staines-upon-Thames

3 km 5 km ... Marathon 50 km
Jun
20
Sa

Centaur 100 Mile Ultra

Trail Run 13 mi 26 mi ... 100 mi 24 hr