Harpenden
Trail Running Calendar near Harpenden 2026-2027
Explore the top trail runs near Harpenden for 2026-2027! We've gathered 155 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
December 2026
A 21.1 km trail race around Hughenden Manor and nearby woodlands with marked routes, aid stations, chip timing and on-site facilities.
A 10 km trail race around Hughenden Manor in Hughenden Valley, featuring hilly woodland trails, full waymarking and a water stop at 5.3 km.
A timed end of season 10 km trail championship at Wendover Woods on 6 December 2026 for runners who qualified through Runaway Racing events, with a marked route and chip timing.
Join this flexible timed event at Riverside Park in St Neots. Run as many 5.3 km laps as you like over six hours on a flat course along the River Great Ouse to earn a festive snowflake medal.
Join a festive Christmas run along the flat Jubilee River. Choose your own distance in this 6-hour timed event on a scenic towpath. All finishers receive a bespoke festive medal.
A lakeside Christmas event in Milton Keynes offering marathon and half marathon options with 7½ and 3½ clockwise laps of Caldecotte Lake. Finishers receive a bespoke medal and the event is held under 100 Marathon Club rules.
A looped trail event in Crystal Palace Park where runners complete 2.65 km laps within a 7 hour time limit. Distances range from 5 km to ultra and all participants receive a finishers' medal.
January 2027
Looped trail and road races near Chalfont St Peter offering 7K and 10K loops with distance choices up to ultramarathons plus aid stations and medical support.
Lap-based medal run in St Neots offering distances from 5 km to ultra, a one hour flexible start window and a six hour time limit.
A flexible seven hour time challenge on a signed Thames riverside loop with distances from 3km to 50km, medals, pins and goody bags.
A 43-mile point-to-point ultra from Wendover to Little Venice, combining countryside trails, roads and the Grand Union Canal towpath, with GPS tracking, five checkpoints and mandatory kit requirements.
Looped trail and road races near Chalfont St Peter offering 7K and 10K loops with distance choices up to ultramarathons plus aid stations and medical support.
Looped trail and road races near Chalfont St Peter offering 7K and 10K loops with distance choices up to ultramarathons plus aid stations and medical support.
Looped trail and road races near Chalfont St Peter offering 7K and 10K loops with distance choices up to ultramarathons plus aid stations and medical support.
Looped trail and road races near Chalfont St Peter offering 7K and 10K loops with distance choices up to ultramarathons plus aid stations and medical support.
February 2027
A seven hour time challenge along the River Thames with distances from 3km to 50km, medals and pins, mixed path and trail terrain.
Looped trail and road races near Chalfont St Peter offering 7K and 10K loops with distance choices up to ultramarathons plus aid stations and medical support.