Trail Running calendar near Weir Wood Reservoir 2026-2027

We have found 429 Trailruns within 80 miles of Weir Wood Reservoir. See below where and when you can find the races.

A timed Friday run on a 5.3 km out and back towpath loop along the River Thames. The event is promoted as a ten pound charity entry for Rays of Sunshine and includes a double sided finisher medal.

The MTC Windsor Ultra is a 47-mile point-to-point race along the Thames Path. Runners travel from Henley to Kingston, passing landmarks like Windsor Castle. All finishers receive a bespoke medal and event apparel.

Test your endurance at this 12 hour multi terrain event in St Neots. Run solo or in a team on a flat 5.3km loop featuring a festival atmosphere with live music and on site camping.

Experience a 103 mile continuous trail journey from the Surrey Hills to Ashford. This Western States Qualifier features 11,000 feet of climb across the North Downs Way with a 30 hour time limit.

UTMB Index

Choose any number of laps on a scenic 5.3 km loop at Denbies Wine Estate to make distances from 5 km up to ultra. Timed event with a flexible 1.5 hour start window and support on a hilly off road course.

Experience the muddiest summer race at Bordon featuring woodland trails and sandy terrain. Choose between one or two laps of a bog filled course designed for those who enjoy technical single tracks and steep hills.

The Ramsbury Gold 10km is a trail run through the beautiful Ramsbury Estate, starting and finishing at the brewery. The off-road course is Canicross-friendly and includes a medal and a free drink. Entries are open to runners aged 16 and ove..

Experience a scenic run through undulating country lanes and the beautiful Mount Ephraim Gardens in Kent. This event features a 10K race and a Junior Run while supporting local charitable causes.

Experience a flat and scenic out and back race along the historic Thames Path with marathon, half marathon, and 10km options starting from Richmond.

Choose a multi-terrain 10k or half marathon through the Kent countryside near Wye. The route passes a historic chalk crown carved for a king's coronation. Facilities include refreshments and a post-race gathering area.

The Hart 4 is a four-hour trail relay where teams of four race a scenic 4km loop at Minley Manor. With categories for male, female, and mixed teams, it's a fun, traffic-free challenge. The event features chip timing, medals for all, and a l..

Experience a scenic trail run through the Bedfordshire and Hertfordshire countryside. Choose between three distances starting from Luton Sports Village with access to full leisure facilities including showers and a café.

Enjoy a flexible seven hour time challenge along the scenic River Thames in Egham. Run or walk as many laps as you choose to earn a medal and special distance pins on a flat, paved course.

This timed event on August 15, 2026, offers a flexible, multi-lap format on a smooth riverside course in Winchester. Runners can choose their start time and distance, from a single lap to an ultra marathon, within a 7-hour window. All finis..

Celebrate twenty years of trail sports with a 15 mile run or a 15 km hike through scenic environments. Enjoy a flexible start format and post race rewards in a social pub garden setting.

Experience a scenic off road race along riverbanks and old railway lines. This half marathon features flint paths and stiles with full facilities and finisher medals at the Henfield Leisure Centre.

Run through the scenic trails of Southampton Common at this multi distance festival. Explore a Site of Special Scientific Interest featuring woodland and lakes while enjoying a well serviced event village.

Experience a scenic trail run through Wendover Woods with distances ranging from a junior race to a half marathon. Enjoy gravel paths and views of the Chilterns with chip timing and themed medals for all finishers.

Experience a 52 mile journey through the South Downs National Park with 7000 feet of ascent. This two day event features six checkpoints and full catering including a mid race meal and breakfast at the finish.

The Richmond Park Half and Full Marathon are on August 23, 2026, in Richmond Park. The course includes park trails and landmarks, with goody bags for finishers. This UK Athletics affiliated event has limited entries.