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The May 23, 2026 ultramarathon race calendar includes Stumptown Trail Runs, Sugar Badger 50/50, West Virginia Trail Fest, Trail Festival at Pineland Palms, and Sulphur Springs Trail Race.
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The original TNF (The North Face) Altamesa 500 was released in 2023 as the brand sought to combine the most innovative design element of its time (supercritical foam midsole compounds) with the most popular use category (hybrid road to trail). The second version of the shoe was just released this spring.
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This week’s ultramarathon race results include Cruel Jewel, Tillamook Burn, Massanutten, and Superior Spring Trail Race.
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From Gary Cantrell’s humble backyard in Tennessee, the Backyard format has exploded into one of the most influential movements in modern ultrarunning. Backyard Ultras now appear in small towns and major cities all over the world and are designated as national championships and international team competitions.
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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.
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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.