Welwyn Garden City

Trail Running Calendar near Welwyn Garden City 2026-2027

Explore the top trail runs near Welwyn Garden City for 2026-2027! We've gathered 148 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

July 2027

Chiltern Ridge Half Marathon

Wendover | 23 mi from Welwyn Garden City

Trail Run Half Marathon

A 21.1 km trail race along The Ridgeway between Wendover and Princes Risborough in Buckinghamshire, fully marked with two aid stations and a 4 hour time limit.

A 21.1 km trail race along The Ridgeway between Wendover and Princes Risborough in Buckinghamshire, fully marked with two aid stations and a 4 hour time limit.

Race for Life Pretty Muddy Stevenage

Stevenage | 6 mi from Welwyn Garden City

Obstacle Run 5 km

A muddy 5k obstacle course at Fairlands Valley Park in Stevenage with staggered waves, on-site facilities, a minimum fundraising target of £50 and age 13 and over requirement.

A muddy 5k obstacle course at Fairlands Valley Park in Stevenage with staggered waves, on-site facilities, a minimum fundraising target of £50 and age 13 and over requirement.

Race The Light at Wendover Woods

Wendover | 23 mi from Welwyn Garden City

Trail Run Walk 5 km 10 km

Summer evening trail event at Wendover Woods on 16 July 2027 raising funds for the Chilterns Neuro Centre with 1.5 km, 5 km and 10 km routes.

Summer evening trail event at Wendover Woods on 16 July 2027 raising funds for the Chilterns Neuro Centre with 1.5 km, 5 km and 10 km routes.

Race for Life Pretty Muddy Chelmsford

Writtle | 28 mi from Welwyn Garden City

Obstacle Run 5 km

A muddy 5k obstacle course at Hylands Park, Chelmsford on 18 July 2027 organised by Cancer Research UK to raise funds; participants must be 13 or older.

A muddy 5k obstacle course at Hylands Park, Chelmsford on 18 July 2027 organised by Cancer Research UK to raise funds; participants must be 13 or older.

Race for Life Chelmsford

Writtle | 28 mi from Welwyn Garden City

Trail Run Walk 3 km 5 km 10 km

Community fundraising runs at Hylands Park offering 3k, 5k and a double-lap 10k on mainly grass terrain, organised by Cancer Research UK.

Community fundraising runs at Hylands Park offering 3k, 5k and a double-lap 10k on mainly grass terrain, organised by Cancer Research UK.

ATW St Albans Summer 10k

St Albans | 6 mi from Welwyn Garden City

Trail Run 10 km

Community focused 10 km race at Highfield Park, St Albans, with a free family fun run, event village, chip timed results and a grass finish.

Community focused 10 km race at Highfield Park, St Albans, with a free family fun run, event village, chip timed results and a grass finish.

September 2027

Pilgrim's Reckoning

Bedford | 25 mi from Welwyn Garden City

Trail Run Walk 81 mi

An 81-mile circular ultra on the historic Bunyan Trail in Bedfordshire with a 24-hour limit, full waymarking, seven aid stations and live tracking.

An 81-mile circular ultra on the historic Bunyan Trail in Bedfordshire with a 24-hour limit, full waymarking, seven aid stations and live tracking.

October 2027

Chiltern Hills 100K

Chesham | 18 mi from Welwyn Garden City

Trail Run 100 km

A single 100K loop through the Chiltern Hills from Chesham, with six checkpoints, GPS open tracking and Trail Running Association/UKA permit.

A single 100K loop through the Chiltern Hills from Chesham, with six checkpoints, GPS open tracking and Trail Running Association/UKA permit.