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Trail Running Calendar near Redbourn 2025-2026

Explore the top trail runs near Redbourn for 2025-2026! We've gathered 87 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
18
Saturday

Chiltern Ridge Classic 50k

Trail Run 51 km
Apr
22
Wednesday

Thames Ring 250

Trail Run 256 mi
May 2026
May
1
Friday

Saturn 7 Hour Time Challenge - Wraysbury

Trail Run 3 km 7 km ... Marathon 50 km
May
2
Saturday

Centurion Thames Path 100

Trail Run 100 mi
May
3
Sunday

Rapid Relays

Trail Run 5 km 10 km
May
9-10
Sa - Su

Chiltern Hills 100K

Trail Run 100 km
May
23-25
Sa - Mo

Grand Union Canal 145 Mile (GUCR)

Trail Run 11 mi 22 mi ... 133 mi 145 mi
May
30
Saturday

Beat the Sunset 50km

Trail Run 50 km
May
30
Saturday

The Ridgeway Challenge

Trail Run 86 mi
June 2026
Jun
14
Sunday

Wendover Woods Half Marathon

Trail Run 10 km Half Marathon
Jun
20
Saturday

Beyond Trails London

Trail Run 26 km 55 km
Jun
20
Saturday

Three Shires Way Ultra & Marathon

Trail Run Marathon 50 mi
Jun
21
Sunday

Dunstable Downs Half Marathon

Trail Run Half Marathon
Jun
26-28
Fr - Su

Colworth Marathon Challenge

Trail Run 5 mi 8 mi 13 mi
Jun
27
Saturday

Zigzag - Cock-A-Doodle Dawdle

Trail Run 5 km 10 km Half Marathon Marathon
Jun
28
Sunday

Marlow Trail Run

Trail Run 5 km 10 km Half Marathon
July 2026
Jul
3-4
Fr - Sa

The Full Essex Way Ultra

Trail Run 82 mi
Jul
5
Sunday

Chiltern Ridge Half Marathon

Trail Run Half Marathon
Jul
5
Sunday

The Bishop's Stortford Mitre 10k

Trail Run 5 km 10 km
Jul
11-12
Sa - Su

Race To The Stones

Trail Run 50 km 100 km
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