River Ayr Way Challenge
Glenbuck Loch, United Kingdom • 12 Sep 2026
River Ayr Way Challenge
The River Ayr Way Challenge, also known as the RAW Challenge, is an annual long-distance running event held in Scotland. This ultra-marathon is a recognized part of the Scottish Ultra Marathon series and typically takes place in September.
The event follows the path of the River Ayr, one of Scotland’s Great Trails. The course spans a significant distance through the river valley, passing through diverse landscapes and historical areas. The trail connects the source of the river at Glenbuck Loch to the coast at Ayr.
- 40 miles
The route traverses one of the most significant river valleys in Southern Scotland. Participants move through areas with historical links to figures such as Robert Burns and William Wallace. The natural environment along the path serves as a habitat for various wildlife, including otters, badgers, herons, and hen harriers.
The course is waymarked for participants. Due to environmental conditions, certain sections, such as the Wellflat Bank area, may be subject to closures or temporary diversions for safety. Organizers provide specific route maps and section breakdowns for entrants to navigate the course effectively. The finish point of the challenge is located at the sea in Ayr. Visit the organization's website for the most recent information.