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Running Calendar South East (England) 2025-2026

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Explore the best running races in South East (England) for 2025-2026! Our updated list features 477 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
February 2026
Feb
21
Saturday

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Feb
21
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Feb
21
Saturday

Magna Carta

6 mi 13 mi 26 mi
Feb
22
Sunday

BigMud Trails (EARTH)

Trail Run 16 mi 26 mi
Feb
22
Sunday

Winchester 10k

10 km
Feb
22
Sunday

Dartford Half Marathon

Half Marathon
Feb
22
Sunday

Wokingham Half

Half Marathon
Feb
22
Sunday

The Milton Keynes Half Marathon Winter Warmer Run

5 km 10 km Half Marathon
Feb
22
Sunday

Winter Trail Run

Trail Run 5 km 10 km
Feb
22
Sunday

North Downs Ridge 50k

Trail Run 50 km
Feb
22
Sunday

Hendy Tunbridge Wells Half Marathon

Half Marathon
Feb
25
Wednesday

Thursley Common 10km

Trail Run 10 km
Feb
28
Saturday

Fitstuff G3 Series

Trail Run 10 km 15 km
Feb
28
Saturday

Saturn Running - Staines-upon-Thames

3 km 4 mi ... 49 km 50 km
Feb
28
Saturday

South Downs Way Ultra Run

Trail Run 30 mi
Feb
28
Saturday

Chichester Harbour Trail Run

Trail Run 16 km Half Marathon
March 2026
Mar
1
Sunday

Brighton Half Marathon

13 mi
Mar
1
Sunday

Sussex Beacon Charity Relay

Half Marathon
Mar
1
Sunday

Up On The Downs

Trail Run 5 km 12 km Half Marathon
Mar
3
Tuesday

Silent Pool 10km

Trail Run 10 km
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