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TREELINE BLOG
Join us as we explore the latest science-based insights on endurance training, deliver expert tips, and share inspiring stories from the track to the trails.
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I Kept Losing Toenails. Here’s What I Learned About Shoe Sizing for Ultras.
If you’ve run long enough, you already know this: your feet at mile 5 are not the same feet at mile 45.
After a series of races that absolutely trashed my feet, I decided to dig into what's actually happening during long efforts. How do blisters really form? Why does a shoe that feels fine in training fall apart on race day? What actually matters when picking the right fit?
May 13


Post-Race Reflections From Our Athletes at the 2025 JFK 50 Mile
Race-Day perspectives from Shae Rhinehart, Robbe Reddinger, and Coach Greg illuminate the experience of JFK 50 for future runners
Dec 17, 2025


What Shoe Prevents Running Overuse Injury?
Running-related overuse injuries remain a plague on the sport, sidelining some 20% of runners for at least a few days each training block. Shoe manufacturers and running retailers have worked with clinicians (podiatrists, physical therapists, etc.) to help runners and walkers alike find a footwear solution that will keep them free from injury.
With the advances in shoe design and materials science over the last decade, what should we know about footwear's injury-reducing c
Oct 18, 2025


Testing the Latest Injury-Proof Running Shoes
What some of the latest developments in running footwear might mean for all of our success in the sport. I grew up with the barefoot...
Oct 7, 2021
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