Trail Running calendar near Olney 2026-2027

Scenic riverside marathon and half marathon on a flat UKA certified towpath from Walton on Thames to Hampton Court and back. Lapped format with finisher medals and virtual entries.

Join the MoRun Milton Keynes in Campbell Park for a day of running in support of Movember. Choose from a 1.5k, 5k, 10k, or Half Marathon on a scenic mixed-terrain course. Every finisher gets a medal and headband, with prizes for best costum..

Explore the undulating trails around Tewinbury Farm & Hotel in Hertfordshire. This event offers a 5K and 10K route on a mix of forest paths and open tracks, fully marked and marshalled for easy navigation.

The Hughenden Valley 10K offers a scenic trail race around the National Trust's Hughenden Manor estate. It's a hilly course on woodland paths, with one water station and comprehensive event support. Start and finish at the historic manor, w..

Trail races around Carsington Water on 5 December 2026, offering a half marathon and a 10K with marked kilometres, course support, a themed medal, water and post-race goodies.

A new winter ultra for 2026, this 80-mile race traverses Essex, Suffolk, and Norfolk in December. Runners face a 28-hour time limit and must carry comprehensive mandatory safety kit. Early entrants can secure a discounted entry fee.

Festive trail runs at Cannock Chase Birches Valley with 10k, 5k and a Junior Run on undulating woodland routes. Fancy dress is welcome with a best dressed prize, finishers get a medal and photos and proceeds support Shelter.

Experience a fully signed 50k trail ultra through the scenic Surrey Hills. This late season event features regular checkpoints and a 10 hour cutoff making it accessible for first time ultra runners.

Join the Chasewater Christmas Pudding Dash at Chasewater Country Park for festive fun with 10k, 5k and a Junior Run on mostly flat reservoir trails. Enjoy medals, photos and prizes including best dressed fancy dress while supporting Shelter..

This 10 mile event takes runners on a scenic loop around Grafham Water in Cambridgeshire. The multi terrain course offers varied views from woodland trails to the reservoir's edge. Held in early December, finishers receive a custom medal an..

Bauble Bimble is a timed multi-lap running event at Ferry Meadows on a 5.3 km gravel and grass loop. Runners choose how far to go over the event duration, with an aid station each lap and event medals available.

Dash through the festive trails at the National Trust's Tinkley Gate in this family-friendly 5 km off-road event. Wear your best Santa suit, bring your dog on a lead, and support the Allsorts charity. All paces are welcome for a fun, commun..

Join this end of season 10K trail championship at Wendover Woods featuring a marked route with 295m of elevation. Qualification is required for this exclusive event which is open to top finishers and volunteers.

Experience a 200 mile winter trail adventure through the South of England. This continuous single stage loop follows iconic paths like the North and South Downs Ways with a 96 hour time limit and full live tracking.

Join the Christmas Jumper Friday Run on 11 December in Walton on Thames for a relaxed rock up and run along the riverside towpath. Pick 5k to ultra, run laps within a 7 hour window and earn a bespoke finisher medal.

Enjoy a festive midweek run along the River Thames at this flexible Time Challenge event. Choose your own distance, from 3km to an ultra marathon, on a mixed-surface course with full support. All finishers get a medal and goody bag at this..

Trail runs at Sherwood Pines near Mansfield offer 1 mile, 5km and 10km options across woodland trails. 5km and 10km entries allow one well controlled dog per runner and use live chip timing.

Join the Mince Pi Run in Guildford for a Pi themed run by the water, with distances from a 1 mile kids fun run to the 3.14 mile loop and laps up to a Pi marathon. Every finisher gets a bespoke Pi Pie medal.

Salcey Forest Christmas Race offers flat but muddy tree lined trails for 5k and 10k plus a junior fun run. Seasonal fancy dress is encouraged with a best outfit prize, and proceeds support Shelter.

A multi-distance festive run at High Lodge, Thetford Forest on 13 December 2026, featuring 5k to ultra options on a 5.3 km lap, on-course aid, bespoke medals and post-run tea, with 20% of entry fees supporting forest upkeep.