Trail Running calendar near Letchworth Garden City 2026-2027

We have found 495 Trailruns within 80 miles of Letchworth Garden City. See below where and when you can find the races.

Experience an off road 10k through the Norfolk countryside featuring woodland tracks and optional obstacles. Enjoy a unique route with a ford crossing and support the Purfleet Trust at this scenic trail event.

Run through the narrow, traffic-free trails of Bedgebury National Pinetum & Forest. Choose from a half marathon, 10k, or junior race on a scenic woodland course. Every finisher gets a bespoke medal and free photos.

Follow the scenic Thames Path on a 47 mile point to point ultra marathon from Oxford to Henley on Thames. This UTMB Index race features historic riverside trails and full participant support including live GPS tracking.

UTMB Index

Experience a scenic 30 mile ultra marathon along the River Stort and Lee navigations. This flat out and back course offers a fast trail experience with generous cut off times and supportive checkpoints.

Join this multi terrain timed event at Ferry Meadows in Peterborough to run as many laps as you choose over four or six hours. Reach your own distance goals on a scenic 5.3 km loop with full aid station support.

Experience a scenic run at the iconic Grafham Water with 5K and 10K distances held alongside a live duathlon. Enjoy a vibrant atmosphere and on site camping options at one of the UKs premier multisport venues.

Experience an off road running event south of Canterbury featuring scenic trails through the Kentish countryside. Choose between a way marked half marathon or a self navigated full marathon with full event village facilities.

Explore the Essex countryside on a 26 or 18 mile figure of eight course via Blackmore. This self sufficient event offers multiple checkpoints and a finishers meal as part of the Essex and Herts Triple Challenge.

Experience a festive night run through the woodland trails of Irchester Country Park. Choose between 5k and 2k distances featuring themed medals, fancy dress, and spooky marshals for a memorable Halloween experience.

An autumn/winter ultra on classic Chiltern trails. This single-loop 50K starts in Berkhamsted, following The Ridgeway and Chiltern Way with scenic views. The fully-marked course has a 9-hour limit and is a UTMB World Series Index Race.

UTMB Index

Experience a festive 6.66 km Halloween trail run starting and finishing at a local brewery in Chelmsford. Participants enjoy a costume focused event with medals and drinks for finishers in a social atmosphere.

Experience a night trail run through the ancient Alice Holt Forest with 5 km, 10 km, or 15 km lap-based routes. Navigate tree-lined avenues by head torch and enjoy fire pits and refreshments at the finish line.

November 2026

Conquer hilly forest trails at Wendover Woods in this autumn multi terrain event. Choose from marathon, half marathon, 10k, or junior distances and enjoy on site facilities like a cafe and adventure playground.

Experience a unique 5 mile out and back run through the 422 meter Oxendon Tunnel. Choose between a Thursday night or Friday morning session and enjoy an atmospheric route that requires a head torch to navigate the darkness.

Join Enigma Fireworks on 6 and 7 November 2026 for marathon and half marathon loops around scenic Caldecotte Lake. Enjoy waterside views, lap support and a bespoke finisher medal to light up your race season.

Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.

Experience a night time trail run through the Chiltern Hills at Stonor Park. Choose from three fully marked routes and enjoy a unique atmosphere in an estate home to fallow deer and wallabies.

Test your endurance at this premier winter obstacle course race featuring muddy farmland, woodland trails, and the famous Deathslide. Choose between 6 km, 12 km, or multi-lap distances with over 70 unique obstacles to navigate.

Experience a scenic trail run through the Bedfordshire countryside starting from Leighton Buzzard. Choose between a classic half marathon or a metric distance featuring canal towpaths, woods, and rolling hills.

Experience a 16 mile multi terrain personal challenge through the beautiful Leicestershire Wolds. This inclusive event welcomes runners walkers and dogs with legendary home made crumbles waiting at the finish line.