Trail Running calendar near Thetford 2025-2026

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.

Run the Chiltern Ridge Classic 51K with 996m of climb across Ashridge, Ivinghoe Beacon and The Ridgeway from Berkhamsted Castle to Wendover. A UTMB Index event limited to 400 runners with a fully marked course and aid stations.

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 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.

Scenic single lap trail races of 10k, 20k and 30k across Barningham Estate in North Norfolk. Support Little Lifts by filling care Boxes for people with breast cancer; fundraising is optional and the top fundraiser wins a prize.

The Other Run offers 5k, 10k, half marathon, marathon and ultra on scenic, mildly undulating quiet roads near Bury St Edmunds, plus bespoke finisher medals and a lucky dip option. Capped at 300 runners with parking included, it promises a f..

Run through woods carpeted in bluebells in the Chiltern Hills at the Bluebell 10km, a roughly 10 km guided spring trail on Sunday 26 April 2026. Grouped by ability with a Run Leader, it is ideal for runners who can manage 5 km non stop.

Enjoy coastal off road trails at the Heritage Coast Run in Thorpeness, Suffolk, with 10k, 10k canicross and a half marathon. Wave starts, beach turnarounds and sea views make it a scenic charity challenge for all levels.

Take on the Chiltern Hills 100K, a scenic trail ultra across iconic Chiltern ridges and estates on 9 May 2026. Limited field and UTMB Index status mean a competitive, well supported race with challenging climbs, full marking and live tracki..

Challenge Suffolk's scenic trails at the Holy Trail Ultra Festival on 9 May 2026, with 50 mile and 50 km distances for determined trail runners. Start and finish at Nicholas Everitt Park in Lowestoft, with checkpoints, GPS tracking, a finis..

Run Rabbit Trail Festival at Deene Park near Corby on 9 and 10 May 2026 is a weekend of trail running and lively festival fun. Choose from short evening runs to a 56.1 km triple challenge, with music, activities and medals for finishers.

Join the 30th Halstead & Essex Marathon on scenic low traffic roads through rolling hills, woods and farmland. Limited to 500 runners, this club organised race offers a classic country marathon and a prize for course records.

Shires and Spires is a circular run based in Naseby with distances from 10K to ultra, mixing country trails and roads. Routes change direction each year and have GPS tracking, voice navigation, aid stations and a medal for all finishers.

Run the Zig Zag Marathon or Half Marathon on 10 May 2026 from Suffolk Running Centre in Bury St Edmunds along scenic, mildly undulating roads. Limited to 300 runners, with aid stations, a seven hour cut off and memorable finisher medals.

Join the Oliver Fisher 10k and 5k at Milton Creek Country Park for a scenic off road challenge supporting the Oliver Fisher Special Care Baby Trust. Enjoy trails, medals and a friendly community atmosphere while raising funds for neonatal c..

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.

Challenge yourself at the Chilterns 30, a 30 km trail across scenic Chiltern Hills with rolling woodland trails, ridgelines and village paths. Guided groups, well stocked checkpoints and a finisher medal with a Trees not Tees certificate ma..

Join Black to the Trails at Dunstable Downs and Whipsnade for a welcoming day of trail running with 1K, 5K, 10K and Scotch Bonnet 10K options. Celebrate diversity with music, food, family fun and finishers medals on scenic chalk downland.

Run a scenic point to point trail from Dedham Vale to Harwich through coastal estuaries and Areas of Outstanding Natural Beauty, with 100 mile, 50 mile and 50 km options. Mostly flat grass and trail, UTMB 100M index event.

Run spring trails across Hertfordshire farmland at the Stort10 in Hatfield Broad Oak on Sunday 17 May 2026. Choose 10 mile or 5 mile, earn a finisher medal and t shirt or have a tree planted, with prizes and live timing.