Old Basing
Trail Running Calendar near Old Basing 2026-2027
Explore the top trail runs near Old Basing for 2026-2027! We've gathered 186 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
A Henley basecamp trail event with looped options of 50 km, 25 km and 10 km, covered rest stops, GPS tracking, medical support, camping and finish-line hospitality.
Enjoy a flat riverside run along the Thames with a chocolate themed aid station. Choose your own distance from 5km to ultra marathon within a flexible seven hour time limit.
Trail races at Amport Cricket Club with 5k, 10k, 10 mile and canicross on marked multi-terrain routes, cupless stations, first aid and finish-line refreshments.
Trail run in Bisham, Marlow on 27 September 2026 with Half Marathon, 10k and 1k routes along the Thames and through woodland.
October 2026
A 7 hour Time Challenge on a signed riverside loop in Staines offering flexible distances from 3 km up to 50 km, with medals, distance pins, aid stations and goody bags.
A timed track event in Walton on Thames on 2 October 2026 offering 6, 12 and 24 hour formats with chip timing, 400 m laps and distance options from 5 km up to 100 mile equivalents. The track is limited to 100 runners at once.
Guided 30-mile trail run on the North Downs Way from St Martha's Hill to Box Hill with coach support, group pacing, and nearby transport; entry £55.
A guided 30 mile trail run from St Martha's Hill exploring the Surrey Hills and Box Hill with an experienced ultra runner and coach. Group pace, recommended 22 miles training, cost £55 and an alcohol free beer may be available.
Forest of Bere timed event with flexible start format, a 3.28 mile lap and options from 5 km to ultra. Aid station offers sweet and savoury food including signature potatoes and vegan choices; 20% of proceeds go to Forestry England.
An inflatable obstacle course event at Kempton Park Racecourse on 3 October 2026 with 2.5K, 5K, 10K and 15K options for ages 5 and up.
Scenic half marathon and 10KM at RAF Greenham Common, family friendly and supporting New Life Special Care Babies.
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.
Trail running in Hurtwood Forest near Guildford with 15 km and 21 km routes, on-site facilities, water stations and medals for all.