Trail running course through mixed terrain in Wiltshire, GB
Marlborough Downs Challenge

Marlborough Downs Challenge 33 Miles

33 miles·71m gain·Marlborough, United Kingdom
ultraforesttrailpoint to pointbeginner friendly

AI-generated image

Distance33 miles
Gain71m
DateMay 2026
Difficulty4/5

About This Race

The 33-mile ultramarathon extends the adventure with an additional loop that includes a section along the Kennet & Avon Canal into Devizes, plus passages over Roundway Hill and Morgan's Hill. With 3000 feet of elevation gain, this route offers a comprehensive tour of the region's most scenic and challenging terrain.

The 33-mile ultramarathon extends the adventure with an additional loop that includes a section along the Kennet & Avon Canal into Devizes, plus passages over Roundway Hill and Morgan's Hill. With 3000 feet of elevation gain, this route offers a comprehensive tour of the region's most scenic and challenging terrain.

Elevation Profile

Elevation profile estimated from terrain data. Actual course may differ.

The course gains 71m over 53km, with the steepest section between km 39–km 39.

Location

Notable Features

The race passes through some of England's most historic landscape, including the prehistoric Avebury stone circle and two of Wiltshire's highest peaks. The course combines natural beauty with archaeological significance, taking runners along ancient paths like the Wansdyke while offering superb views across the Vale of Pewsey and encounters with seasonal wild garlic displays in West Woods.