Trail Running calendar near Boreham 2025-2026

We have found 308 Trailruns within 80 miles of Boreham. See below where and when you can find the races.

Camp and run for 24 hours on the scenic Shotley peninsula in Suffolk, tackling a fully marked 4.3 mile coastal lap with solo, pairs or team entries. Enjoy onsite camping, yoga sessions, sauna options and bespoke vests and medals.

Take on scenic, fully marked trails across the Winwick Hall estate on 19 July 2026 with 10k and 5k races plus a fun 2k for kids. Marshals, first aid and finisher medals make it a family friendly summer trail day supporting a local charity.

Run the ATW St Albans Summer 10K on 19 July 2026 at Highfield Park for a chip timed 10 km along the Alban Way, with a free family fun run. Festival vibes with live music, kids activities, food stalls and a custom medal while supporting Alzh..

Zig Zag Running hosts the Great Barrow Challenge at the Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX. This 10-day, individual event offers multiple distances — 5k, 10k, half, full and ultra — with Day 1 featuring the Denha..

Run ten consecutive days at the Suffolk Running Centre in the Great Barrow Challenge, choosing distances from 5 km to ultra. Entry covers all ten days and parking, bespoke medals each day and the event is cupless so bring your own bottle.

Experience a scenic loop around Aske Hall estate near Richmond on 23 July 2026, with 5 km and 10 km trail options. Limited to 200 entries, the mostly flat single loop winds through pasture and woodland for a relaxed but rewarding race day.

Join a friendly 7 hour timed run along the Thames at Wraysbury, with flat paved loops suitable for road shoes. Pick distances from a 3 km loop up to marathon and ultra, and enjoy a medal plus goody bag and riverside views.

Enjoy a scenic, flat trail run around Maidenhead Commons and Summerleaze Lake on Sunday 26 July 2026. Choose 5K, 10K or half marathon and earn a themed medal with free race photos, chip timed results and a lively event village.

The The Rings - Ultra will take place in Shoreham-by-Sea on Sunday 26 July 2026. You can run between 42 and 50 kilometers.

August 2026

Join the North Downs 50 Ultra Challenge on Sat 1 Aug 2026 for scenic runs from Guildford across Surrey hills and the North Downs Way. Choose 10 km, 25 km or 50 km routes with full support, night markings and medical cover.

Run the Vanguard Way Marathon or Half on 2 August 2026 from Croydon along scenic Surrey and Sussex woodlands and ridges. Finishers receive a medal plus a goody bag with a race t shirt and snacks.

Scenic 7 hour timed run along the River Thames on 7 Aug 2026 lets you choose any distance from 3 km to ultra. Finishers get medals and distance pins, with aid stations, cafe and vegan goody bags.

Run from Oxford to Henley along the scenic Thames Path in the MTC Oxford Ultra, a 49 mile point to point ultramarathon on 7 August 2026. Enjoy riverside views, timed checkpoints and a bespoke finisher medal with a choice of tech shirt mug o..

Tackle ATW Odyssey12 at Riverside Park, St Neots, a multi terrain lap event where solo runners, pairs or teams rack up 5.3 km laps against the clock. Enjoy festival vibes with live music, food, kids activities and an Odyssey medal for finis..

Take on the North Downs Way 100 on 8 August 2026, a continuous 103 miles across Surrey and Kent with about 11,000 ft of climbing and a 30 hour cutoff. Enjoy rolling trails, stocked aid stations and sweeping views from Farnham to Ashford.

UTMB Index

Take on the 47 mile MTC Windsor Ultra along the River Thames from Henley to Kingston. Enjoy riverside views, checkpoint support and a bespoke finisher medal while you tackle this scenic endurance challenge.

Run the scenic Stour Valley Path in 102 km or 50 km trail races on 8 Aug 2026, mostly off road through East Anglia. Friendly, challenging courses that earn UTMB index points and suit experienced ultrarunners.

UTMB Index

Enjoy a scenic undulating 10k through quiet lanes around Mount Ephraim Gardens with views of rolling Kent hills. Includes a bespoke medal, free garden entry and supports Oasis Domestic Abuse Services.

Run 100k or 50k around Market Harborough in the Foxton Hound Ultra, with scenic trails through Foxton Locks, Naseby Battlefield and village lanes. Supported aid stations and guided recces make this a classic English ultra challenge.

The Black Bull 15 is a charity trail run held near the Black Bull pub in Chelmsford. It offers two distances: a 15-mile trail route and a 15km option for shorter, faster runs, jogs or walks. The course uses varied trail surfaces through par..