Recent posts
Heat Training: Optimization, Not Maximization
The logic goes like this: if heat acclimation improves performance in the heat, I should do as much heat training as possible before heading into a race. This way of thinking leads to athletes training in heat suits for long efforts, stacking thermal stress on top of training stress and grinding through degraded workouts in the name of being heat-adapted. The post Heat Training: Optimization, Not Maximization appeared first on Ultra Running Magazine .
May 14, 2026
What’s Up in Ultra This Weekend — May 16, 2026
This week's ultramarathon race calendar features Born to Run Ultramarathons, Superior Spring Trail Race, Cruel Jewel, South Mountain Reservation Mayapple Trail Runs, and Reesor 50. The post What’s Up in Ultra This Weekend — May 16, 2026 appeared first on Ultra Running Magazine .
May 14, 2026
REVIEW: Nike ACG Ultrafly Trail Shoe
The ACG Ultrafly Trail is the successor to the original shoe with the same namesake and serves as the high-performance model in the ACG lineup. The post REVIEW: Nike ACG Ultrafly Trail Shoe appeared first on Ultra Running Magazine .
May 14, 2026