Brentwood close

Trail Running Calendar near Brentwood 2025-2026

Header image

Explore the top trail runs near Brentwood for 2025-2026! We've gathered 53 exciting races in the area. Check out our detailed list below to find your next local race.

July 2026
Jul
19
Sunday

ATW St Albans Summer 10k

Trail Run 10 km
August 2026
Aug
2
Sunday

Vanguard Way Marathon

Trail Run 13 mi 26 mi
Aug
16
Sunday

The Black Bull 15 Trail Runs

Trail Run 15 km 15 mi
Aug
30
Sunday

Muntjac 15

Trail Run 15 mi
Aug
30
Sunday

Woldingham Marathon

Trail Run 13 mi 26 mi
September 2026
Sep
12-13
Sa - Su

Thames Path Ultra Challenge

Trail Run 10 km 22 km ... 72 km 100 km
Sep
13
Sunday

Richmond Park Half Marathon

Trail Run 13 mi
Sep
19
Saturday

Triple Trail Races

Trail Run 25 km 50 km 100 km
Sep
27
Sunday

Pumpkin Run Colchester

Trail Run 5 km 10 km
October 2026
Oct
3
Saturday

London Epping Forest 50 Km

Trail Run 50 km
Oct
3
Saturday

London Ecotrail 25 Km

Trail Run 25 km
Oct
10
Saturday

Kent Down 50 Ultra Challenge

Trail Run 10 km 25 km 50 km
Oct
25
Sunday

Stort30 Ultra

Trail Run 30 mi
Articles
Top 10 Marathons in the Netherlands - The Ultimate Dutch Marathon Bucket List: 10 Unmissable Races
The Beauty of the Easy Run - Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series