2026 Arctic Frog Endurance Runs 15k/25k/50k Ultra

Race Information

We're pretty sure that there's nothing more fun than heading out for a 50k run in the dead of winter. If you agree then the Arctic Frog Endurance Run is a race that you'll probably want to check out.

This race features three distances along the Independence Grove Forest Preserve, and Des Plaines River trails. Runners can opt for a 15k run, take on a 25k route or go for the 50k ultra distance.

👍 Run Pick of the Month: Milwaukee Lakefront Marathon

📍Milwaukee - October 3-4, 2026

💸 SAVE 10% On Your Entry. Use Code RGMLM26

😄 Why We Like This Run
✅PR-friendly terrain
✅ Incredible community and high-fives at every hydration station
✅ Post-race celebration with local brews, great food, and a lakefront festival that only Milwaukee can throw

Ready to experience one of the most scenic courses in the Midwest? Enjoy a fast, flat, and famously beautiful run along the stunning shores of Lake Michigan. Whether you are aiming for a Boston qualifying time or crossing your first finish line, this race offers the perfect backdrop for your next big achievement.

With options from the 5K through to the Marathon, every mile is designed to keep you moving and inspired.

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