Trail Running calendar near Harwell 2026-2027

Explore Amesbury by torchlight in a lively 60 minute score orienteering event with 24 controls, based at the New Inn. Pre entry is required, so bring lights and hi viz clothing, and juniors under 16 must be accompanied.

A night street orienteering event in Chelmsford on 21 January using MapRun with two courses of 4.0 km and 7.3 km. It counts toward the Essex Winter Midweek Series with handicap scoring and an Anytime catch-up option.

Join the Dark Horse Trail on 21 January 2026 for a 5 mile self navigated run around Galleywood Common, starting and finishing at the Horse and Groom pub. Limited to 60 places, entry includes a sausage or veggie burger with chips.

Join Esher Street O, part of the Winter Street O Series by Mole Valley Orienteering Club, at The Wheatsheaf in Esher. Choose a 60 or 40 minute score course with MapRun and relax with food and after the race refreshments at the pub.

Join the STAR Backyard Holmbury St Mary three hour trail challenge on 23 January 2026 and see how many 5 km laps you can complete around Holmbury Hill. A headtorch is required and entry includes a warm bowl of chilli or curry.

Brutal @ Bagshot serves up a muddy, hilly Army training circuit with bogs, twisting climbs and knee to waist deep water holes. The 10 km is two gruelling laps.

Huffin Puffin Run on 24 Jan 2026 at Xcel SPORTS HUB, Walton on Thames. Flat 5.3 km riverside loop with distances from 5 km to ultra; lap as you like within the time limit and enjoy aid stations and digital results.

Pick your distance on the day at Running Tribe Races in Chalfont St Peter and tackle looped trails through woods and footpaths. Distances from 7 km up to marathon and ultra are offered, with an aid station serving food and drinks.

Experience the North East Night Championship at Wilton Woods on 24 January 2026, with four courses from 2.3 km to 5.7 km to suit all levels. Limited entries so book now for a thrilling evening of fast navigation under headtorches.

The Stonehenge Stomp is a not timed walking event around Stonehenge with marked routes of 5 km, 10 km, 20 km, 30 km and 40 km and marshalled checkpoints. Fifty percent of proceeds support Salisbury Hospice Charity and entries are online onl..

Take on the Ashdown Forest 10 and 5 Mile on 25 January 2026 at Pippingford Park, a scenic trail run through rolling forest terrain with rewarding climbs and wide open views. Free parking, medals for all and cash prizes for podium finishers..

Choose a half marathon or 10K through Moors Valley woodlands with muddy trails, steep climbs and chances to spot deer and birds of prey. Finishers get a wooden medal and the course is fully supported and timed.

Take to flat, scenic trails through Alexandra Gardens beside Windsor Castle with chip timing and friendly post race goodies. Choose 10K or half marathon, enjoy well marked routes, free photos and an event village for food and drinks.

Tackle trails, paths and a signature hill across two round Dirt Run events at Irchester and Brigstock. Choose from shorter races up to 15 km, enjoy marshalled routes, water stations and a custom finisher medal for each round.

Tackle muddy trails and steep climbs at the May Hill Massacre, a scenic cross country run around May Hill in Gloucestershire. Choose a 7 to 8 mile route or the longer 14 to 15 mile Mayhem loop, with a canicross option and limited entries.

G3 no.2 brings a friendly winter race to Hound House Road, Surrey on Saturday 31 January 2026. Pick a 10 km or 15 km route and enjoy clear signage, field parking and a welcoming series atmosphere.

Starburster is a twilight 5 or 10 mile run through Hurn Forest on 31 January, with out and back laps on firm forest trails beneath sunset skies. Head torches are required and 20% of entry fees support Forestry England for trail care.

Oxford Town v Gown is an inter-club orienteering event in Oxford organised by OUOC and TVOC, featuring a roughly 6 km course with artificial barriers and team entries as Town, Gown or N A.

Join the DirtRun Dudmaston 10k on 1 Feb 2026 for a scenic off road 10 km through Comer Woods at Dudmaston Estate. Enjoy a finisher medal and goodie, with category prizes including real ale for top performers.

Take on the Charnwood Hills Race on 1 February 2026, a scenic but testing 14.5 mile fell route through Bradgate, Broombriggs and Beacon Hill with rough underfoot and about 1,200 feet of climb. Entries are limited and pre entry is required.