Trail Running calendar near Hertfordshire 2026-2027

A 17.5 mile annual trail race around the Ashridge Estate, run anti clockwise on well marked paths with a routed detour to Ivinghoe Beacon. Water stations, finisher gifts and prizes for top male and female finishers are provided.

A single loop 50 km trail race on the South Downs starting and finishing in Arundel. Fully waymarked with live GPS tracking, four aid stations, about 3,200 ft of ascent and worth 2 ITRA points.

Take on 16 miles from Combe Gibbet to Overton through Berkshire and Hampshire trails and muddy, undulating terrain. Coach transfers, kit transport and managed road crossings make this point to point race easy to reach and enjoy.

A five mile off road trail at Upcote Farm on 29 March 2026, limited to about 300 places. The route features farm roads, bridleways and forest tracks, with chip timing, medals for all and prize categories for juniors and veterans.

A two lap, traffic free 10 km trail race through Epping Forest near Chingford with multi terrain, undulating sections, chip timing and a finisher medal. Entries are limited and cash prizes are awarded to top finishers.

Take on the Gauntlet Treasure Run along a flat riverside towpath in Walton on Thames, doing laps of a 5.3 km out and back to build any distance from 5k to ultra within seven hours. Limited places and every finisher gets a medal.

Looped trail and road races in Chalfont St Peter where runners choose on the day between 7k, longer loops, marathon and ultra marathon distances with aid, pacing and crew support.

A multisport event at Culden Faw Estate on March 29, 2026 featuring duathlon, cross duathlon and timed offroad endurance races with waymarked courses, chip timing and on site medical and catering facilities.

Join the 3rd Galloping Grind 10k trail run on 1 April for a dusk Easter Egg Edition as the season opener. Enjoy an anti clockwise 10k trail with a compulsory headtorch and a fun egg hunt finish; spots are limited to 30.

Join the Eggcellent Easter Pink Run in Egham for a friendly seven hour timed challenge along the Thames where runners and walkers choose how far to go. Enjoy riverside trails, an Easter egg medal and a tasty goody bag at the finish.

A seven hour Time Challenge at Wraysbury Skiff and Punting Club along the River Thames where runners choose distances from 3 km to ultra and receive an Easter egg themed medal and goody bag on completion.

Testway Ultra on 04/04/2026 invites runners to tackle scenic 40 or 50 mile routes along Hampshire's Testway from Linkenholt to Totton. Well marked trails, regular aid stations and a shuttle make for a friendly, memorable ultra.

Self-navigation trail races from Felsted as part of a four-day Easter series. Two routes, about 9 miles and 5 miles, run under UK Athletics rules with no markings, no GPX and no dogs allowed.

Take on the Unbreakable Treasure Run on 5 April 2026 at Xcel SPORTS HUB, Walton on Thames, running timed laps along a flat riverside towpath from 5 km to ultra. Limited places and a 7 hour time cap make this a focused challenge with a keeps..

A two-lap, mostly off road 10 km from Mortimer Fairground, set on woodland footpaths and bridleways. A dog-friendly canicross option runs the same distance; the event features chip timing, photos, medals and on-site facilities.

A five mile mixed terrain loop around Hall Barn Estate with race HQ at Beaconsfield Rugby Club on 6 April 2026. Trail shoes are recommended; chip timing, waymarking, marshals and first aid are provided.

A self-navigation trail of about 6 miles on 6 April 2026, part of the four day Easter Eggstravaganza series. Entries are limited to 150; Race HQ is at the Rose and Crown in Great Waltham and there are no aid stations.

A 54-mile circular ultra from Brixworth Country Park across Northamptonshire trails, roads and towpaths, with a 26.2-mile Rosebud Marathon option, relay legs, six aid checkpoints and real-time GeoTracks tracking.

The 50 Mile Grand Slam 2026 challenges runners to complete four 50 mile ultras across the UK trail calendar. The series spans from April to November, covering iconic routes like the South Downs Way and Wendover Woods. It is a demanding test..

A 50 mile trail race from Worthing to Eastbourne along the South Downs Way, featuring 5700 feet of climb, seven aid stations, mandatory kit checks and a 13 hour cut off, finishing with a lap of the Eastbourne athletics track.