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Running Calendar South East (England) 2026-2027

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Monthly updates for South East (England)

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Explore the best running races in South East (England) for 2026-2027! Our updated list features 646 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 Fitness Races
April 2026
Apr
17
Fr

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 5 km ... 26 mi 50 km
Apr
17
Fr

Saturn Running - Midweek Chasing Numbers

3 km 5 km ... Marathon 50 km
Apr
17
Fr

Phoenix Fridays

Backyard Ultra 5 km 10 km Half Marathon Marathon
Apr
18
Sa

Windsor 50 Ultra Challenge

Trail Run 10 km 25 km 50 km
Apr
18
Sa

Chiltern Ridge Classic 50k

Trail Run 50 km
Apr
18
Sa

Spring Trail Series by Ultra X

Trail Run 12 km 25 km ... 50 mi 110 km
Apr
18
Sa

Saturn Running - Staines-upon-Thames

3 km 5 km ... Marathon 50 km
Apr
18
Sa

Phoenix Running - Walton-on-Thames

Trail Run 5 km 10 km Half Marathon Marathon
Apr
18
Sa

Brutal at Congo Stream

Obstacle Run 3 km
Apr
19
Su

Southampton Fast Twitch

Triathlon
Apr
19
Su

Kent Spring Marathon & Half Marathon

Half Marathon Marathon
Apr
19
Su

Dell 10km & Half Marathon

10 km 22 km
Apr
19
Su

Martello Half Marathon

Trail Run Half Marathon
Apr
19
Su

Grand National Trail Run - Findon

Trail Run 5 mi 10 km
Apr
19
Su

Phoenix Running Crawley

Trail Run 5 km 10 km ... Marathon 7 hr
Apr
19
Su

Phoenix Running - Northfleet

5 mi 9 km ... Half Marathon Marathon
Apr
22
We

Thames Ring Series

Trail Run 100 mi 150 mi 250 mi
Apr
22
We

Inter Service & Army Duathlon

Duathlon
Apr
24
Fr

Not Another Bloody Enigma Marathon

Marathon
Apr
25
Sa

The Drop - Sevenoaks

6 mi 10 mi 15 mi
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