Trail Running calendar near Danbury 2025-2026

We have found 301 Trailruns within 80 miles of Danbury. See below where and when you can find the races.

Saturn’s Midweek Chasing Numbers 7-Hour Time Challenge is held at Wraysbury Skiff & Punting Club on the River Thames. The event is designed to be affordable and flexible, inviting all abilities to run or walk within a 7-hour window. Partici..

Join the 2026 Heritage Run in Thorpeness on 1 May for scenic mainly off road 10k and half marathon distances, plus a dog run 10k. Organised by local volunteers, the event supports charity and has donated over £45,000 to date.

Enjoy a three day running festival over the May Bank Holiday across three Mid Sussex towns. Run single town races or combine stages into the Mid Sussex Marathon, with undulating multi terrain routes, medals, family fun and fancy dress.

Join Run Silchester on 2 May 2026 for 2.5, 5 and 7 mile trail runs around the Roman wall, ancient woodland and a 12th century church. Family friendly festival atmosphere with stalls, music and proceeds supporting local community causes.

Take on the iconic Thames Path 100 from Richmond to Oxford, 100 miles of scenic riverside trails and historic towns. Enjoy waymarked routes, plenty of aid stations and a supportive ultra atmosphere for a true point to point challenge.

UTMB Index

Join a guided 30 mile trail run along the North Downs Way and Greensand Way led by an experienced ultra runner and coach in a supportive group run. Enjoy sweeping hilltop views, shoe demos and a possible alcohol free beer at the finish.

Run a scenic woodland course at Culden Faw Estate on 3 May 2026 with solo, pair and team relays plus timed 5K, 10K and the Henley Downhill Time Trial. Expect gentle undulations, a climb before 3 km and a long downhill finish with chip timin..

Join a guided Box Hill Vertical KM group run near Dorking for a tough 12.5 mile route with about 1000 m of climb through woods, heath and open fields. Enjoy expert guidance, technical terrain and a social finish.

Take on the Three Forts Challenge across the South Downs with rolling hills and coastal views. Choose marathon, half marathon or 5 mile trail and even bring your dog, with net proceeds supporting local Sussex charities.

Run to the Sea Brighton is a scenic point to point 50k from the Sussex downs to Hove seafront with a two person relay. Expect trails, rolling hills, sea views, aid stations, medical support and a bespoke finisher medal.

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The Goring Gap Trails event, held in Mapledurham near Reading, offers a variety of running and walking challenges, including a 50-mile ultra, a 52K ultra, and a half marathon, alongside walking options of half marathon, full marathon, and a..

UTMB Index

Challenge yourself at the Holy Trail Festival of Running on 9 May 2026 in Oulton Broad, Lowestoft. Choose a scenic 50 mile or 50 km route with full support, checkpoints, GPS tracking and a warm finishers meal.

The Chiltern Hills 100K is a scenic, challenging ultra around the Ridgeway, visiting Ivinghoe Beacon and Ashridge. Limited to 250 runners and UTMB World Series index race, this May event has rugged trails, great support and a Chesham finish..

UTMB Index

Test your limits at Brighton Backyard Ultra in Stanmer Park where runners tackle a 6.7 km loop each hour until a solo lap crowns the winner. A friendly but fierce endurance event in beautiful parkland with basic on site facilities.

Halstead & Essex Marathon offers an annual road race on scenic low traffic roads through rolling hills, woods and farmland. Run by Halstead Road Runners as they mark their 40th year, it blends competitive spirit with a friendly club vibe.

The Zig Zag Marathon and Half Marathon take place at the Suffolk Running Centre in Bury St Edmunds, UK. The marathon follows the officially measured, scenic Kirtling Route, which is fully on road and mildly undulating, while the half marath..

Take on the Greenway Challenge in Letchworth Garden City: a self guided 13 mile clockwise run starting and finishing at Standalone Farm. Enjoy marshalled crossings, a wooden medal, and cake at the finish while supporting Headway Herts.

Take on the Midhurst Milers Cocking 10k Trail, a scenic but challenging 10k across the South Downs with a steady climb and a fast downhill finish. Licensed and chip timed with medals, prizes and a lively race village.

Join the Oliver Fisher 10k, 5k and junior run at Milton Creek Country Park for a scenic off road race supporting the Oliver Fisher Special Care Baby Trust. Enjoy park views, medals and fundraising for the neonatal unit.

Race through the rolling vineyards at Rathfinny Wine Estate on scenic, undulating off road trails with 10.7 km single loop or 21.4 km two laps. Enjoy aid stations, eco friendly practices and a relaxed Tasting Room finish.