WSER 100 is becoming one of the most recognized and high stakes 100 mile ultramarathons for both professionals and ultramarathon participants. we can learn a lot about how participants are preparing and completing this event. Here are some things to consider from what we learned at the 2025 WSER 100.

• Heat adaptation and in race management

• The power of race day expectations

• The psychology around group and competitive pressure

• Considerations around varied weather events

• The role of super shoes on the trails

Endurance Training Simplified Series

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