Heat Map_US_Figure 1
The heat map above shows the continental United States, Alaska (insert, top left), and Hawai’i (insert, bottom left.) States with more ultramarathons are darker in color. One race with multiple distance options is counted multiple times, with each ultramarathon distance considered as a separate event.
Sarah Brady is Managing Editor at iRunFar. She’s been working in an editorial capacity for ten years and has been a trail runner for almost as long. Based in Belfast, Northern Ireland, Sarah is an avid mountain runner and ultrarunner and competes at distances from under 10k to over 100k, and has proudly represented Ireland twice. When not running, she enjoys reading, socializing, and hanging out with her dog, Angie, and cat, Judy.
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