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Running Calendar South East (England) 2025-2026

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Monthly updates for South East (England)

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Explore the best running races in South East (England) for 2025-2026! Our updated list features 591 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons
June 2026
Jun
7
Su

Worthing 10k

10 km
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

Runwisborough 10k & 5k

5 km 10 km
Jun
7
Su

Coombe Hill

Trail Run 7 km
Jun
7
Su

Alice Holt Wild Trail Runs

Trail Run 10 km Half Marathon
Jun
12
Fr

Ashford Striders Charing 10k

10 km
Jun
13
Sa

Centurion South Downs Way 100

Trail Run 100 mi
Jun
13
Sa

Centurion South Downs Way 50km

Trail Run 50 km
Jun
13
Sa

Bewl Water Summer

Trail Run 10 km 13 mi 26 mi 50 km
Jun
13
Sa

Inflatable 5K - Brighton, East Sussex

Obstacle Run
Jun
14
Su

Royal Windsor Triathlon

Triathlon
Jun
14
Su

YHA 14 Mile Trail Run

Trail Run 14 mi
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
14
Su

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 3 mi ... 7 km 50 km
Jun
14
Su

Hythe Bay Triathlon

Triathlon
Jun
19
Fr

Robertsbridge Midsummer 10K & 5K

Trail Run 5 km 10 km
Jun
20
Sa

Three Shires Way Ultra & Marathon

Trail Run 26 mi 50 mi