100 mile repeat improvement statistics – improved results graph – image 2

A graph showing that the proportion of runners who improve on their first result at a 100 miler increases with each repetition of the event. In other words, runners who have started a 100-mile race five times are more likely than runners who have started it twice to have run faster (or finished) at least once compared to their first result at the event. Image: iRunFar/Mallory Richard

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100 mile repeat improvement statistics - improved results graph - image 2

Meghan Hicks

Meghan Hicks is the Editor-in-Chief of iRunFar. She’s been running since she was 13 years old, and writing and editing about the sport for more than 15 years. She served as iRunFar’s Managing Editor from 2013 through mid-2023, when she stepped into the role of Editor-in-Chief. Aside from iRunFar, Meghan is the Board President of the Hardrock Hundred Endurance Run, has worked in communications and education in several of America’s national parks, was a contributing editor for Trail Runner magazine, and served as a columnist at Marathon & Beyond. She’s the co-author of Where the Road Ends: A Guide to Trail Running with Bryon Powell. She won the 2013 Marathon des Sables, finished on the podium of the Hardrock 100 Mile in 2021, and has previously set fastest known times on the Nolan’s 14 mountain running route in 2016 and 2020. Based part-time in Moab, Utah and Silverton, Colorado, Meghan also enjoys reading, biking, backpacking, and watching sunsets.