Trail Running calendar near Welwyn 2026-2027

A coastal ultramarathon of about 75 miles along the Essex saltmarsh from South Woodham Ferrers to Salcott, offering two day, continuous and three person relay options with GPS tracking, regular aid stations and downloadable GPX routes.

Experience a scenic multi terrain race through East Grinstead dedicated to local charities. This friendly event features a flat course along bridleways and residential roads with chip timing and a sustainable finisher medal.

Timed trail event in the Forest of Bere using a 3.28 mile out and back lap with distances from 5 km to ultra. Aid station offers sweet and savoury food including potatoes and vegan options; 20% of proceeds support Forestry England.

A half marathon and 10 km run at RAF Greenham Common in Thatcham, Berkshire, on a flat traffic free course with water stations and marshals. The event supports New Life Special Care Babies and includes a children race and free parking.

A flexible 6-hour timed run along the flat Jubilee River towpath. Run one 5.24-mile lap or see how many you can complete. The scenic route passes through countryside with views towards Windsor Castle.

Set in the scenic Sence Valley Forestry Park, this flexible 6 hour event allows you to run as many 3.3 mile laps as you choose. Experience a mix of woodland trails and lakeside paths with distances ranging from 5k to ultramarathon.

A trail event on 10 October 2026 near Maidstone offering 50 km, 25 km and 10 km loop options with covered rest stops, GPS tracking and weekend camping. Medical support, catering and shuttle transfers are provided.

An hourly backyard ultra at Turvey House where runners complete a 4.167-mile (6.7 km) loop each hour, with solo, pairs, 8-hour and 7-hour capped options, chip timing, aid station, first aid and prizes.

Experience the iconic trails of Surrey with a choice of three distances through woodland paths and ridgelines. Enjoy a chip timed challenge featuring elevation and scenic views at Box Hill.

A guided 13 mile trail half marathon in the Chiltern Hills with around 300 m ascent, grouped running with qualified leaders, a halfway refreshment point and a finisher's medal.

Fortitude Ultra at Pippingford Park is a 10 hour, 10 lap endurance challenge on roughly 3, 4 and 5 mile loops with up to 215 m elevation per lap. Finishing grade is set by the shortest loop completed and entrants receive a medal and shirt.

Experience an autumn trail run through ancient woodland at the Epping Forest Wildwood Trail Series. Choose between a 10K or Half Marathon course on fully marked paths with a strong focus on sustainability.

Commando Series at Hever Castle on 10 and 11 October 2026 offers 3K, 6K and 12K obstacle mud runs modeled on Royal Marines training, plus a two hour survival experience and an event village with music and attractions.

Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.

A looped 20 mile trail event at Landguard Fort in Felixstowe on 11 October 2026. The route crosses two nature reserves, two river estuaries and the Port, includes a 6 hour cut off, and is held under UK Athletics rules.

The Titsey Trail 10k is a community running event held on Sunday, 11th October 2026. Organized by runners for runners, it raises funds for a variety of local charities.

Experience the scenic Cambridgeshire countryside with 10k and half marathon trail races around Grafham Water. These fully marked and marshalled routes offer beautiful reservoir views and a variety of local tracks.

The FOOBS Trail and Fun Runs return in October. Choose from a chip timed 10K, 6K, or a family friendly 2K fun run through the countryside near Old Basing. The event supports local schools through community fundraising.

A flat, single lap 10K on 11 October 2026 around the Dengie peninsula with coastal sea wall and countryside sections, finishing at Dengie Hundred Sports Centre. Free parking and changing facilities are available.

MacTuffX Swindon features a series of repetition based running formats including solo and team categories. Participants choose between multiple 400m or 800m loops in this structured athletic event for adults.