Trail Running calendar near Grantchester 2025-2026

We have found 344 Trailruns within 80 miles of Grantchester. See below where and when you can find the races.

Celebrate Valentine's Day with riverside laps along the scenic Thames at Xcel SPORTS HUB. Choose 5k to ultra, run as many laps as you like within a one hour start window and 7 hour limit, and earn a bespoke finisher medal.

Take on the Winter Poppyline on 14 to 15 February 2026, a 50 mile winter walking challenge across the coastal and rural landscapes of north east Norfolk. Expect night navigation, hot checkpoints and a tough, rewarding adventure.

Run the Marriott's Way Marathon or Half Marathon on 15 Feb 2026 along a scenic, traffic free trail finishing at Aylsham Friendship Hall. Limited to 400 entrants, with course support and 5% of entries donated to East Anglian Air Ambulance.

Run the traffic free Flitch Way on two 5.3 km marked loops, choosing distances from 5K to marathon or a timed 6 hour challenge. Pick a bespoke medal and enjoy lap aid station support at this cupless event so bring your own cup.

The Phoenix Running - Greater London will take place in Greater London on Sunday 15 February 2026. You can run between 3 and 28 miles.

Enjoy a flat, scenic riverside run along the Thames at Magna Carta Winter in Runnymede, with 10k, half and full marathon options on out and back laps. Chip timing, marshals and a bespoke finisher medal make this a rewarding winter race.

Choose your distance on the day and tackle scenic looped courses through woods and trails around Chalfont St Peter, with pacers welcome and a trained medic on standby. Distances from 7k to ultra are offered and top three finishers earn meda..

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 42 mile St Peters Way Ultra along the historic footpath from Chipping Ongar to St Peter on the Wall at Bradwell on Sea. Rolling trails, variable underfoot and a windswept sea wall finish make for a rewarding coastal challenge.

Join the Hadleigh Legacy 10k at Hadleigh Country Park on 22 Feb 2026 for a scenic yet testing single lap trail with hills, mud and fields. Expect a bespoke medal, free photos and competitive wave starts.

Run the picturesque 5 km loops through Thetford Forest at High Lodge, with distances from 5 km up to ultra and a small friendly field capped at 300. Enjoy post race tea and cake while 20 percent of fees support forest upkeep.

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.

Run the 50k North Downs Ridge from Denbies Wine Estate along the North Downs Way through Surrey woodlands. Roughly 2,986 ft of ascent, aid stations, UTMB qualification and an eco wooden finisher medal await.

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..

Take on a scenic half marathon in Thetford Forest on a traffic free circular trail, with chances to spot deer and wild thyme across varied underfoot surfaces. Finishers get a medal and podium trophies for the top three men and women.