https://www.soletreadmills.com/blogs/news/3-best-treadmills-for-ultra-runners-in-2026Training for an ultra-marathon means logging 70+ miles weekly. That's millions of footstrikes annually, each delivering 2-3 times your body weight in impact. Most treadmills simply aren't built to survive that punishment, but a few are engineered specifically for high-mileage warriors.
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