Trail Running calendar near Danbury 2025-2026

We have found 349 Trailruns within 80 miles of Danbury. See below where and when you can find the races.

Take on the Mortimer 10km through scenic Berkshire woodlands on Monday 6 April 2026. This undulating two lap off road course features chip timing, medals and a dog friendly canicross start for runners with dogs.

Enjoy a scenic 5 mile loop around Hall Barn Estate with a tarmac start and finish at Beaconsfield Rugby Club. Organised by Burnham Joggers on 6 April 2026, this friendly trail run features marshals, chip timing and post race prizes.

Take on the Rose of the Shires 54 mile circular ultra from Brixworth Country Park, or opt for the 26.2 mile Rosebud Marathon. Scenic trails, towpath and country roads with checkpoints, live GPS and UTMB 100K index.

Take on the 50 Mile Grand Slam 2026 from Centurion Running and complete four epic 50 mile trail races across the UK. A true year long challenge for experienced runners seeking big miles, camaraderie and stunning scenery.

Run the South Downs Way 50 miles (81 km) on 11 April 2026, a scenic but demanding trail with about 5,700 ft of ascent. Start in Worthing and finish on Eastbourne athletics track for a memorable coastal to downland challenge.

UTMB Index

Take on the Henley River Half Marathon, 10K or Junior Race in Henley on Thames on 11 April 2026, with options for all ages including a kids race. Enjoy mixed terrain, riverside views, medals, free photos and a buzzing event village.

Take on the Rosebud Marathon, a 26.2 mile stretch of the Rose of the Shires Ultra through scenic Northamptonshire trails, roads and canal tow path. Enjoy waymarked routes, on site support, a finisher medal and prizes for top runners.

Spring Run the Seasons Cowdray on April 11 offers scenic trail races across Cowdray Estate and the South Downs, with distances for kids, juniors and adults plus dog friendly CaniRun options. Enjoy varied trails and country views for all abi..

Tackle scenic chalky trails around the South Downs and Ditchling Beacon at the Maverick East Sussex Trail in Stanmer Park. Choose from 21 km, 13 km or 5 km routes with rolling hills, great views and a lively community atmosphere.

Run a guided Chilterns Trail Marathon along the Ridgeway and through Wendover Woods, featuring rolling hills and expert leaders offering pacing and technique tips. Small field, halfway refreshments and a wooden finisher medal make for a sce..

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.

Run the Nene Valley Races Kings Cliffe 10k through Northamptonshire countryside on tracks, fields and disused railway lines. Start and finish at KC Active with a fully marshalled, marked route for a peaceful country challenge.

Take on the 42 km Brighton Trail Marathon through the South Downs from Stanmer Park to Hove Lawns on 12 April 2026. Hilly chalk ridgelines, woodland and a finish on the Brighton Marathon route promise a scenic, rewarding challenge.

UTMB Index

Join the inaugural High Lodge Wild Trail Runs on 12 April 2026 at Thetford Forest for scenic 5 km and 10 km timed trail races between Cambridge and Norwich. All finishers receive a medal, Wild Deer merchandise, a snack and a drink.

Run scenic loops around Windsor Great Park and the Thames Path with views of Windsor Castle at the Windsor 50 Ultra Challenge. Options include 10 km and 25 km plus the 50 km figure of eight with support, rest stops and a finisher medal.

UTMB Index

Take on the Chiltern Ridge Classic 50K, a 51K trail ultra across the iconic Chiltern Hills with 996 m of climbing, starting at Berkhamsted Castle and finishing in Wendover. Expect Ridgeway views, tough trails and full on course support.

UTMB Index

Run the Spring Trail Series at Cowdray Estate where the Serpent Trail winds through greensand hills, rivers and woodland. Distances from 12 km to 110 km, with food, camping and relaxed cutoffs for a friendly, well supported day.

UTMB Index

Tough but rewarding 10 km fell race around Chingford with 450 m of climbing, hosting the first ever Essex County Championships. Pre entry only and open to Essex eligible runners aged 16 and over, with teams welcome.

Run the Martello Half Marathon in Seaford along seafront and South Downs trails, a scenic but undulating course with marshal support. Enjoy great views, a bespoke medal and free photos while backing local charities.

Run the Roman Ramble at Billingford Lakes on 19 April 2026 on trails with distances from 5k to ultra. Entries capped at 300, no cups provided so bring your own bottle, and finishers receive a bespoke medal.