Trail Running calendar near Chelmsford 2025-2026

Join the Y2Y North Downs Trek / Run on 22 March 2026 for a scenic trek along the North Downs Way to YMCA East Surrey, Redhill. Choose 26.2 or 14 miles, enjoy support stops and finish with a commemorative medal and technical t shirt.

Join a guided 10 km trail run across atmospheric Hankley Common, passing the Lion's Mouth and film locations. Runs come at sunset or as headtorch night runs and focus on group enjoyment rather than racing.

Experience the Petzl Night Trails 10K at Salcey Forest under torchlight, with Petzl demo head torches on site. Enjoy a flat two lap trail, a canicross option and post race hot drinks plus a medal or tree planting token.

Take on the Elephant Challenge at Salcey Forest on 24 March 2026, tackling repeated 3.5 mile loops over six hours. Runners, walkers, canicross and ruckers welcome, with an option to support Roald Dahl charity.

Test your endurance at the Elephant Challenge in Salcey Forest on 24 March 2026, a timed 6 hour event where you run as many 3.5 mile off road laps as you like. Enjoy scenic forest trails, an optional medal or tree token and a chance to supp..

Event Fortitude Ultra - Pippingford is a timed ultra event at Pippingford Park, Uckfield, TN22 3HW. The next race is on 28/03/2026. The event format is described as "10 Hrs : 10 Laps : You-vs-You." Participants aim to complete ten..

Run the Wild Half Marathon brings a guided 13 mile trail through the Chiltern Hills with rolling chalk climbs and wooded trails. English Athletics run leaders group you by ability, offer coaching, and a midcourse refreshment stop and finish..

Join the Zig Zag Challenge at Brandon Country Park for timed 4 or 6 hour running on a scenic 5.3k multi terrain lap in Thetford Forest, entries limited to 100. Stack laps to tackle marathon or ultra distances and earn a bespoke finish medal..

The Springtide 50k is an ultra running event held in the historic town of Arundel, West Sussex. This single-loop course offers a runnable, non-technical route through the scenic South Downs, making it ideal for beginners and experienced run..

Saturn's 7 Hour Time Challenge at Wraysbury Skiff & Punting Club (Wraysbury, TW20) is an inclusive, self-paced race along the River Thames. Entrants choose a distance from a 3 km lap, with full laps around about 7 km (4.37 miles) or a short..

Join the Mortimer 10 km on Monday 6 April 2026 for a scenic two lap off road route through local woodlands, with a dog friendly canicross option. Enjoy chip timing, medals and a lively event village while supporting Ollie Young Foundation.

The The Maverick East Sussex Trail will take place in Lewes on Saturday 11 April 2026.

Spring Run the Seasons at Cowdray Estate on 11 April 2026 offers scenic trails across the South Downs, with 5k, 10k and 10 mile races plus canicross. The 10k scores in the series and routes showcase heathland and big views.

Take on the iconic South Downs Way in this 50 mile trail challenge across chalk ridges and coastal scenery. Start in Worthing and finish with a lap at Eastbourne track on 11 April 2026 for a true test of endurance.

Tackle the 54 mile Rose of the Shires Ultra through picturesque Northamptonshire, starting and finishing at Brixworth Country Park. Trails, canal and forest promise varied scenery and it is a UTMB Index 100K event for experienced runners.

Run the Henley River Half Marathon, 10K or Junior Race at Temple Island Meadows and enjoy scenic, mixed terrain trails along the River Thames. Expect themed medals, free photos and a lively event village with food, drink and family fun.

Join Centurion Running's 50 Mile Grand Slam, four 50 mile trail races across iconic English routes from spring to autumn. Experience epic endurance, camaraderie and unforgettable scenery.

Run the Rosebud Marathon, a scenic 26.2 mile leg of the Rose of the Shires Ultra across Northamptonshire with roughly 60% trail and 40% road. Enjoy varied terrain, aid stations and live GPS tracking to Brixworth Country Park.

Enjoy a scenic 10k circular trail through the Nene Valley and Northamptonshire countryside on easy tracks and disused railway paths. Fully marked and marshalled with a stocked aid station, this friendly spring race is open to 16+ runners.

Tackle 28 miles along the traffic free Brampton Valley Way on 12 April 2026, choosing to start from Market Harborough or Northampton for a scenic out and back challenge. Expect quiet trails, two tunnels so bring a head torch, feed stations..