Harrow
Trail Running Calendar near Harrow 2026-2027
Explore the top trail runs near Harrow for 2026-2027! We've gathered 222 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
A lap based Friday timed run on the Thames towpath offering distances from a single 3.28 mile lap up to ultra distances, with the ten pound charity entry supporting Rays of Sunshine and a special double sided medal.
A half marathon and 10K through Epping Forest, London on 10 October 2026, run on marked woodland trails with aid stations, chip timing and an eco friendly focus.
The Titsey Trail 10k is a community running event held on Sunday, 11th October 2026. Organized by runners for runners, it raises funds for a variety of local charities.
Community organised 5k in Aldershot on 11 October 2026 with a flat course on the Polo Fields and Basingstoke Canal towpath, chip timing and finisher medals.
A scenic approximate 15 km trail race in Tring on 11 October 2026, routed through Ashridge Estate, the Ridgeway and Pitstone Hill with water stations and finish facilities.
A lap-based out and back run along the Thames in Walton on Thames offering distances from a single 5.3 km lap up to ultra distances with a seven hour limit.
A lap based Friday timed run on a flat 5.3 km out and back course along the river Thames, with distances from 5 km up to ultra. Both attended and virtual entrants receive a finisher medal.
A guided 10 mile trail through Chilterns waterways and reservoirs, passing Britain’s oldest post windmill, with trail instruction and a 2026 finisher’s medal.
An off road cross country race of about 6 miles across Manor House Farm in Hardwick village with varied terrain and water crossings. Entries are limited to 300 runners and a minimum age of 17 applies.
A 30 mile out and back ultra along the River Stort and Lee navigations on the Hertfordshire Essex border, mostly flat grassy and gravel trail with checkpoints every 5 miles, electronic timing, medals for finishers and trophies for top three men and w..
Looped races at several Buckinghamshire venues let runners use 7K or 10.8K loops to build distances from 10K up to ultra, with aid stations, crew support and medals.
A countryside walking event from Blackmore with a 26 mile figure of eight route and an 18 mile option, forming part of the Essex and Herts Triple Challenge.
A fully marked single loop 50K trail race around the Chilterns starting and finishing in Berkhamsted, with three aid stations, mandatory kit and a nine hour cutoff.
November 2026
Trail races in Wendover Woods on hilly, multi terrain forest loops with marathon, half marathon, 10 km and a junior run plus on site amenities and parking.
Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.