Complete Guide to Ultramarathon Distances & Formats (50K to 100 Miles+)
Introduction to Ultramarathon Distances What is an Ultramarathon? Going Beyond the Marathon An ultramarathon is, at its core, any running race longer than the traditional marathon distance of 42.195 kilometers (26.2 miles). While technically even a fraction longer qualifies, the ultrarunning community generally considers distances of 50 kilometers (about 31 miles) and above as the … Read more