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Trail Running Calendar near Hainault Forest Country Park 2025-2026

Monthly updates for Hainault Forest Country Park

Get new running races (and updates) in your inbox every month.

Explore the top trail runs near Hainault Forest Country Park for 2025-2026! We've gathered 82 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
5
Su

Phoenix Running - Walton-on-Thames

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

Essex County Fell Championships

Trail Run 10 km
Apr
26
Su

Phoenix Running - Walton-on-Thames

Trail Run 3 mi 13 mi 26 mi
May 2026
May
2
Sa

Centurion Thames Path 100

Trail Run 100 mi
May
10
Su

The Greenway Challenge

Trail Run 13 mi
May
17
Su

Reigate Priory Park 10K Charity Fun Run

Trail Run 10 km
May
17
Su

Stort10 10 Mile

Trail Run 5 mi 10 mi
May
24
Su

Richmond Park Marathon

Trail Run 26 mi
May
24
Su

Queen of the Suburbs Ultra

Trail Run 25 km 50 km
May
30
Sa

Three Castles 50Km

Trail Run 50 km
May
30
Sa

Castle Trails 30km

Trail Run 30 km
May
30
Sa

The Ridgeway Chase

Trail Run 60 km
June 2026
Jun
6
Sa

Sundowner Marathon

Trail Run 27 mi
Jun
10
We

Chase the Sun Clapham 10k

Trail Run 5 km 10 km
Jun
20
Sa

Beyond Trails London

Trail Run 25 km 55 km
Jun
20-21
Sa - Su

Maldon Ultras

Trail Run 30 mi 51 mi 102 mi
Jun
21
Su

Midsummer Munro

Trail Run 13 mi
Jun
27
Sa

Zigzag - Cock-A-Doodle Dawdle

Trail Run 5 km 10 km ... Half Marathon Marathon
Jun
28
Su

3 Brewers 10km

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

The Full Essex Way Ultra

Trail Run 82 mi