Marathon Calendar South East (England) 2025-2026

Jul

20

Sunday

BigHeat Trails (FIRE)

Haslemere, England

Trail Run 16 mi 26 mi

Jul

20

Sunday

Bright Skies - Surrey Hills

Dorking, England

Trail Run 10 km 13 mi 26 mi

Jul

20

Sunday

Saturn Running - Staines-upon-Thames

Staines-upon-Thames, England

5 km 7 km ... 26 mi 50 km

Jul

26

Saturday

The Maverick X Series East Sussex

Falmer, England

Trail Run 6 km 14 km ... 42 km 50 km

Jul

27

Sunday

Saturn 7 Hour Time Challenge

Staines-upon-Thames, England

5 km 7 km ... 50 km 7 hr

Jul

27

Sunday

Saturn Running - Staines-upon-Thames

Staines-upon-Thames, England

5 km 7 km ... 26 mi 50 km

Aug

1

Friday

Saturn Running - Englefield Green

Englefield Green, England

5 km 7 km ... 26 mi 50 km

Aug

2-3

Sa - Su

Football League Original 12 Run

Milton Keynes, England

13 mi 26 mi

Aug

9

Saturday

Run Dorney Lake Half Marathon

Windsor, England

5 km 10 km 13 mi 26 mi

Aug

9

Saturday

Saturn Running - Staines-upon-Thames

Staines-upon-Thames, England

5 km 7 km ... 26 mi 50 km

Aug

9

Saturday

Saturn 7 Hour Time Challenge

Staines-upon-Thames, England

5 km 7 km ... 50 km 7 hr

Aug

17

Sunday

Saturn Running - Staines-upon-Thames

Staines-upon-Thames, England

5 km 7 km ... 26 mi 50 km

Aug

17

Sunday

The Big Pilgrimage

Southampton, England

Trail Run 15 mi 26 mi

Aug

17

Sunday

Saturn 7 Hour Time Challenge

Staines-upon-Thames, England

5 km 7 km ... 26 mi 50 km

Aug

24

Sunday

Woldingham Marathon

Woldingham, England

Trail Run 13 mi 26 mi

Aug

30

Saturday

Saturn Running - Staines-upon-Thames

Staines-upon-Thames, England

5 km 4 mi ... 26 mi 50 km

Sep

6

Saturday

Andover Trail Marathon

Enham Alamein, England

Trail Run 13 mi 26 mi

Sep

6

Saturday

The Shere 42k Multi Terrain Event

Shere, England

Trail Run 10 km 21 km 42 km

Sep

7

Sunday

The Sufferings

Washington (West Sussex), England

Trail Run 13 mi 26 mi 39 mi

Sep

7

Sunday

The Farnham Pilgrim Marathon

The Sands, England

Trail Run 26 mi