Trail Running Calendar East of England 2025-2026

Take on the Winter Poppyline on 14 to 15 February 2026, a 50 mile winter walking challenge across the coastal and rural landscapes of north east Norfolk. Expect night navigation, hot checkpoints and a tough, rewarding adventure.

Run the Marriott's Way Marathon or Half Marathon on 15 Feb 2026 along a scenic, traffic free trail finishing at Aylsham Friendship Hall. Limited to 400 entrants, with course support and 5% of entries donated to East Anglian Air Ambulance.

Run the traffic free Flitch Way on two 5.3 km marked loops, choosing distances from 5K to marathon or a timed 6 hour challenge. Pick a bespoke medal and enjoy lap aid station support at this cupless event so bring your own cup.

Take on the scenic 42 mile St Peters Way Ultra from Chipping Ongar to the St Peter on the Wall chapel at Bradwell on Sea, finishing along a raised sea wall. Expect muddy, changeable terrain with checkpoint support and live tracking.

Head to Hadleigh Country Park for the Hadleigh Legacy 10k, a scenic but testing off road route around Hadleigh Castle with muddy trails and steep climbs to test your legs. Wave starts, clear waymarking and helpful marshals keep the event fl..

Discover Thetford Festival of Running on 22 February 2026 at High Lodge, Thetford Forest, with distances from 5k to ultra on scenic 5 km loops. Enjoy trails, a festival vibe and races for all abilities while supporting forest care.

The High Lodge Half Marathon winds through Thetford Forest on varied trails and sand, offering scenic views and wildlife like fallow deer and wild thyme. Traffic free, manually timed event with finisher medals and podium trophies.

Take on scenic trails through private woodlands and rolling fields at Stody Estate with 4, 8 and 12 km options, chip timing, eco friendly medals and event photos. Enjoy a post run refreshment zone serving bacon rolls, cakes and hot drinks.

Thunder Races brings 25 km and 50 km trail runs through the woodland and countryside around Harrold Odell Country Park in Bedford. Enjoy marked routes, aid stations and a finisher medal plus goodies for a memorable spring trail challenge.

The Berko 10km will take place in Berkhamsted on Saturday 7 March 2026. You can run 10 kilometers.

Guided 16k trail run at High Lodge in Thetford Forest, paced conversationally with groups matched by ability. Explore flat woodland trails, spot wildlife and pick up practical trail running tips with an optional cool down.

Join Gratitude 25KM 2026 in Broxbourne for a rewarding 25 km run on 21 March 2026. Ticketed entry and a welcoming atmosphere make it ideal for runners looking for a spring challenge.

Run the Moo Marathon, Calf and Hen K at scenic Hyde Hall Farm with 10k to ultra distances on lap based trail routes. Secure parking, water at the lap point and a farm finish; bring a cup or bottle as the event is cupless.

Join a guided 10k through High Lodge in Thetford Forest, enjoying flat woodland trails and friendly conversational paces. Perfect for runners new to trail running who want relaxed company and expert guidance on easy forest terrain.

Join Zach’s Devil Steps Trail Run on 22 March 2026 to tackle scenic Essex trails and raise funds for Cancer Research. Choose 3.5 or 7.3 mile routes, enjoy a self start format, and secure one of only 120 places for a fun timed charity run.

Run the Chiltern Hills on a guided trail half marathon based at The Home Office in Tring, led by qualified leaders who group runners by ability and teach trail technique. Enjoy scenic trails, a midcourse refreshment stop and finisher medal.

Run 17.5 miles around the scenic Ashridge Estate on 28 March 2026, starting and finishing in Aldbury. The trail climbs to Ivinghoe Beacon and a share of entries supports the National Trust; water stops and finisher gifts provided.

Take on the Spring Blickling Half Marathon on 29 March 2026, starting and finishing at Blickling Hall. Enjoy a scenic multi terrain route, bespoke medal and finish line treats while helping EPIC Norfolk reinvest profits into local sport.

Take on a scenic 10K through Epping Forest on 29 March 2026, two laps on traffic free forest tracks with an undulating, multi terrain route. Limited to 600 entries and finishers receive a medal.

Celebrate the Galloping Grind reopening with the Easter Egg 10k trail in Chelmsford. Limited to 30 runners, this dusk run includes an on site chocolate egg hunt and a limited edition T shirt.