Trail Running calendar near Harwich 2025-2026

We have found 146 Trailruns within 80 miles of Harwich. See below where and when you can find the races.

Run Reigate Canicross & Trail at Gatton Park on 22 Feb 2026 offers scenic multi terrain 5K and 10K trail races plus a dedicated canicross. Chip timing, medals for humans and dogs and tasty treats for pups make it a fun day out.

March 2026

Take on a scenic half marathon in Thetford Forest on a traffic free circular trail, with chances to spot deer and wild thyme across varied underfoot surfaces. Finishers get a medal and podium trophies for the top three men and women.

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.

UTMB Index

Berko 10km is a guided 10 km trail run through woods and scenic Chiltern Hills around historic Berkhamsted, starting near the castle ruins. Groups run with a leader who shares trail tips and local history, ideal for those who can manage 5 k..

Enjoy a scenic riverside run along the Thames Path with options from 10 km to a full marathon. Flat, runnable routes marshalled and supported with checkpoints, food and medical cover make this a great spring challenge in Barnes.

Join a guided 16k trail run at High Lodge in Thetford Forest, paced conversationally for runners moving from road to trail. Explore varied woodland surfaces with gentle coaching on hill technique and a friendly, inclusive group vibe.

Take on the Sevenoaks Circular Challenge on Mother's Day, 15 March 2026, a scenic LDWA event across the North Downs and Greensand Ridge with 15, 20 and 30 mile options. Expect indoor checkpoints, hot finish food and friendly marshals.

The Gratitude 25km is an exciting running event taking place in Broxbourne, UK. This race is designed for runners of all levels, promoting fitness and community spirit. Participants will enjoy a scenic route while challenging themselves to..

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.

Run or walk the scenic North Downs Way in Surrey with Y2Y, choosing 26.2 mile or 14 mile routes that finish at YMCA East Surrey, Redhill. Waymarked routes, support stops, GPS files and finish showers, all raising funds for YMCA East Surrey.

Join a guided 10k through Thetford Forest at High Lodge on 22 Mar 2026, led at a relaxed conversational pace. Friendly ability groups, mostly flat woodland trails and a postrun stretch make this a great choice for newbies and regulars alike..

Enjoy a flat, scenic 10 km along the River Stour between Chartham and Canterbury, perfect for a fast time or a relaxed riverside run. Friendly village atmosphere with medals, trophies and age group awards to celebrate your finish.

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.

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.

April 2026

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.

Join Active Fakenham Town Centre 5K for a lively community morning with a 5K race, 1K fun run and Toddle’n’Trike for under fives on a closed town circuit. Finishers get medals and kids receive Easter goodie bags.

Run the picturesque grounds of Haughley Park on 12 April 2026 with distances from 5k to ultra for all abilities. Limited to 300 runners, the event features lap formats, a bespoke finisher medal and a friendly community atmosphere.

Kick off spring with the inaugural High Lodge Wild Trail Runs at Thetford Forest on 12 April 2026, choose a chip timed 5 km or 10 km and enjoy fully supported forest trails. All finishers get a medal, Wild Deer merch, a snack and a drink.