Lachlan Stuart completed the 50 states marathon challenge in winter. The first to do it consecutively in the coldest season. Here's the honest comparison: winter vs summer attempts.

Lachlan Stuart's honest guide to planning your 50 states marathon challenge route. Learn how I navigated 50 states in 50 winter days with flexible planning, not rigid maps.

Lachlan Stuart completed 58 marathons in 58 days, including the 50 states marathon challenge in winter. Learn what it takes to run 50 marathons in 50 days from someone who's done it.