Brentwood
Trail Running Calendar near Brentwood 2026-2027
Explore the top trail runs near Brentwood for 2026-2027! We've gathered 127 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2027
A Halloween-themed trail run in Chelmsford with a devilish 6.66 km GPX route, fancy-dress prizes, a finishers medal and a small field of 60 places.
Half Marathon and 10K through Richmond Park, with four laps for the half, chip timed results, free photos and on-course support in an autumn woodland setting.
November 2027
A four-lap half marathon and 10K through Richmond Park’s woodland and open spaces, with chip timing, free photos and an event village.
Scenic runs across Wimbledon Common offering chip timed Half Marathon and 10k with free photos, finish line goodies and on course water stations.
A November event in Richmond Park offering scenic 10K and Half Marathon routes through traffic free Royal Park with chip timing and sustainability measures.
December 2027
Half Marathon and 10K in Richmond Park on 12 December 2027, four laps through woodland with chip timing and a finishers medal.