Trail Running calendar near Colchester 2025-2026

Run a traffic free 13.1 mile trail half through Thetford Forest at High Lodge, over sandy tracks and forest paths with a chance to spot fallow deer. All finishers receive an eco friendly medal and the race is cupless with refill stations.

Take on the Gatliff Marathon on 17 October 2026, a scenic 25 km or 50 km challenge through the Kent, Surrey and Sussex countryside. Based at Edenbridge Cricket Club, the event offers checkpoints, food, first aid and hot showers for finisher..

Stort30 is a scenic 30 mile ultra along the River Stort and Lee navigation, starting from Bishop's Stortford Running Club. Enjoy grassy trails, checkpoints with refreshments and a friendly club vibe with trophies for top finishers.

Test yourself on a scenic 5.3 km multi terrain lap at Ferry Meadows and run as many laps as you can in a timed four or six hour format. Distances from 5k to ultra, with aid on course, finisher medals and virtual entries available.

Join Irchester Spooktacular, a Halloween night run through woodland trails with a 5k and a 2k family fun run. Fancy dress, themed marshals, finishers medals, Halloween chocolates and free event photos make it great family fun.

Run the Chiltern Ridge Winter 50K, a scenic single loop around Berkhamsted with roughly 800m of ascent and a 9 hour limit. Limited to 325 runners, this fully marked UTMB World Series index trail race finishes at Berkhamsted Cricket Club.

Enjoy an autumn trail challenge at Wendover Woods with marathon, half, 10k and junior 1k options across scenic, hilly and varied terrain. Expect bespoke medals, free photos and family friendly facilities including a cafe, adventure playgrou..

Enigma Fireworks lights up Caldecotte Lake on 6 and 7 November 2026 with marathon and half marathon races around the scenic waters. Enjoy multiple laps, on course support and a bespoke finisher medal in a friendly festival atmosphere.

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.

Run from Alexandra Gardens in Windsor along flat, fast off road trails through parkland and woodland. Choose 10K or half marathon with chip timing, free photos and an event village serving food and giveaways.

Join the Remembrance Run on 8 November 2026 at Wraysbury for a moving riverside event honouring those who died, with a two minute silence during the race. Choose distances from 3 km to ultras and earn a finisher medal.

Reflective Remembrance Sunday run in Brightlingsea on 8 November 2026, with the Last Post and silences at the start and at 11:00. Looped traffic free 10.54 km laps let you choose 10 km, half, full or a 6 hour timed challenge.

Remembrance Run at Wraysbury on the Thames is a timed 7 hour challenge where you choose any distance from 3 km to ultra. Scenic signed laps, aid stations with vegan options, a finisher medal and a two minute silence at 11:00.

Tackle Wendover Woods 50, a demanding 50 mile trail through five scenic loops in Forestry England woodlands. Expect big climbs, technical singletrack and great support, all with a capped field for an intimate race day.

Run the North Chilterns 50K, a scenic trail ultramarathon from Putteridge Bury over Warden, Barton and Pegsdon Hills with sweeping views. Limited to 250 runners, this supported 50 km course is a rewarding late autumn challenge.

Run the scenic flat Thames riverside route in Windsor on 21 Nov 2026 at the Thames Path Trail Run. Pick about 16 or 22 km, enjoy chip timing and a finisher medal, and support the plastic free event by bringing a reusable cup.

Run flat sandy woodland trails in the Suffolk Area of Outstanding Natural Beauty with 9, 16 or 23 km route options. Maverick Race brings a friendly event village at Wantisden Hall with medals, feed stations and easy road access from London.

Join a guided trail run at Box Hill, Dorking covering 12.5 miles with about 1000 m of ascent through steep, technical woodland and open fields. This noncompetitive group run suits fit trail runners and finishes with an alcohol free beer.

Take on the new winter St Edmund Way Ultra on 5 December 2026, an 80 miles route through Essex, Suffolk and Norfolk. Remote trails, checkpoints and live public tracking make this a true day and night test of endurance.

Tackle a scenic 50 km trail through the Surrey Hills, starting and finishing at Dorking Sports Centre. Well signed route with regular checkpoints and live timing makes for a bold winter ultra with a 10 hour completion limit.