River Ayr Way Ultra Marathon

Cumnock, United Kingdom • 13 Sep 2025

The River Ayr Way Ultra Marathon is a 40-mile race held in Ayrshire, Scotland, showcasing some of the region's stunning scenery. Starting at Glenbuck Loch near Muirkirk and finishing at Riverside Stadium in Ayr, the course is mostly off-road with rural paths, some quiet road sections, and a tarmac finish. The event features checkpoints every 10 miles offering fruit, cold drinks, and snacks, with water stations every 5 miles. Runners can use drop bags and rucksacks, which are transported to checkpoints and the finish. The race has a 10-hour time limit and emphasizes a friendly, supportive atmosphere amid challenging, sometimes muddy terrain. Visit the organization's website for the most recent information.

Race information

40 mi
River Ayr Way Ultra Marathon 40 Miles
17 mi
River Ayr Way Ultra Marathon Relay (3 Sections: 17 Miles, 14 Miles, 9 Miles)
Visit the organization's website for the most recent information.
Trail runs nearby

The Cairn Table Hill Race is a challenging 7.2km hill race held in East Ayrshire, Scotland, starting from the Walkers Car Park in Muirkirk. This event takes runners up one of Ayrshire's finest hills, featuring rough, unmarked terrain that requires fell shoes and self-reliance, as there is no course..

Run the Blades is a unique trail running event held exclusively within Whitelee Wind Farm, the UK's largest onshore wind farm, located near Glasgow, Scotland. Celebrating its 10th anniversary in 2025, the event offers three challenging distances: a 10K, a half marathon, and a 50K ultra, plus a free..

The ACORN Rouken Glen Trail Race is a scenic trail running event held in Rouken Glen Country Park, a historic 143-acre park located about 10km south of Glasgow. The race covers roughly 8km, consisting of two 4km laps that traverse a multi-terrain course featuring some mud, inclines, declines, and fa..

The K12 Ultra Marathon is a 12-hour endurance running event held at Dean Castle Country Park in Kilmarnock on August 3, 2025. Participants run laps of an approximately 4km mixed-terrain circular route featuring hill sections, aiming to cover the greatest distance within the time limit. The event off..

Bruce's Crown Race is a challenging 46-mile team event held in Caldons, near Glentrool in Galloway, Scotland. Teams of 2 to 4 participants traverse three hill ranges—the Minnigaff Hills, Rhinns of Kells, and the Awful Hand—climbing over 4000 meters. The course offers stunning 360-degree views, inclu..

The Highland Fling Race is a 53-mile (85 km) ultra trail marathon held annually in Scotland, traversing the southern section of the iconic West Highland Way through Loch Lomond & the Trossachs National Park. The point-to-point course runs from Milngavie near Glasgow to the Highland village of Tyndru..

UTMB Index