Trail Running calendar near Boreham 2026-2027

We have found 359 Trailruns within 80 miles of Boreham. See below where and when you can find the races.

Join Any Kind of Weather Runner at Northampton Active on 21 February 2026 for a six hour challenge where you can tackle distances from 5k up to ultra. Finishers receive a medal and goody bag and aid stations on each lap will keep you fueled..

Take on the scenic 42 mile St Peters Way Ultra from Chipping Ongar to the St Peter on the Wall chapel at Bradwell on Sea, finishing along a raised sea wall. Expect muddy, changeable terrain with checkpoint support and live tracking.

Head to Hadleigh Country Park for the Hadleigh Legacy 10k, a scenic but testing off road route around Hadleigh Castle with muddy trails and steep climbs to test your legs. Wave starts, clear waymarking and helpful marshals keep the event fl..

Discover Thetford Festival of Running on 22 February 2026 at High Lodge, Thetford Forest, with distances from 5k to ultra on scenic 5 km loops. Enjoy trails, a festival vibe and races for all abilities while supporting forest care.

Join the Winter Trail Run at Gatton Park on 22 February 2026 for scenic multi terrain 5K and 10K loops, plus a Canicross category. Expect a finisher medal, bag drop and refreshments, with prebooked parking helping to support Gatton Trust.

North Downs Ridge 50k on 22 February 2026 starts and finishes at Denbies Wine Estate, following the North Downs Way with a scenic loop through Norbury Park. Expect rolling ridgelines, staffed aid stations and a wooden finisher medal.

UTMB Index

Join the Dirt Run, a two round multi terrain series in Northamptonshire at Irchester on 25 January and Brigstock on 22 February. Choose 5 km to 15 km on mixed trails, paths and roads with a muddy hill to test you and a custom medal for fini..

Run Reigate Canicross & Trail at Gatton Park on 22 Feb 2026 offers scenic multi terrain 5K and 10K trail races plus a dedicated canicross. Chip timing, medals for humans and dogs and tasty treats for pups make it a fun day out.

Join a guided 10 km trail run through Thursley National Nature Reserve, an easy, mostly flat route ideal for first time trail runners at about 10 min per mile. Enjoy heathland scenery and Britain’s Favourite Path boardwalk.

Join G3 no.3 at Newlands Corner, Guildford for a choice of 10 km or 15 km routes across Surrey countryside on Saturday 28 February 2026. Friendly, well marked courses with series entry options make this a perfect early season challenge.

Chocothon is a friendly timed lap on a flat 5.3 km riverside towpath, letting you complete as many laps as you can within a seven hour window. Distances from 5 km to ultra, medals and aid stations make it perfect for all abilities.

March 2026

Choose a 10k or half marathon and enjoy scenic trails around Pitsford Water starting and finishing at Brixworth Country Park on 1 March 2026. Fully marked and marshaled routes include village passages and a few stiles on the half for a rewa..

The High Lodge Half Marathon winds through Thetford Forest on varied trails and sand, offering scenic views and wildlife like fallow deer and wild thyme. Traffic free, manually timed event with finisher medals and podium trophies.

Run the scenic Windsor & Eton 10km on Sunday 1 March 2026, a mixed terrain route along the Thames and Jubilee Rivers through Dorney and Eton Wick. Finish by Windsor & Eton Brewery for a medal and your choice of beer or soft drink.

Guided 10 km trail run from Silent Pool near Guildford along the North Downs Way and Netley Heath for a scenic group outing. Sunset and torchlit sessions, gear trials and a friendly finish make for a relaxed guided adventure.

Join the Humanity Direct Amersham Ultra on 7 March for scenic footpath and bridleway routes of 10 km, 25 km or 50 km starting at Dr Challoner's School. Run or walk to fundraise for Humanity Direct and earn a finisher medal.

Sussex trail in Eastbourne on 7 March 2026 offers coastal South Downs routes with stunning Seven Sisters views. Strenuous chalk and woodland terrain from 10K to ultra delivers a tough outing and earns Endurancelife leaderboard points.

UTMB Index

Thunder Races brings 25 km and 50 km trail runs through the woodland and countryside around Harrold Odell Country Park in Bedford. Enjoy marked routes, aid stations and a finisher medal plus goodies for a memorable spring trail challenge.

UTMB Index

Brutal at Chawton delivers muddy farm tracks, water filled craters and technical forest trails for a gritty off road challenge. Choose 5 km or two lap 10 km and try canicross if you want to run with your dog with a running harness required.

Run scenic laps along the Thames towpath in Walton on Thames at the Ladybird Run, on flat off road trails with timed entries or a one hour rock up and run start window. Pick 5 km to ultra distances and complete as many laps as you like with..