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A championship race can mess with your head before it ever tests your legs. We’re back with Mason Cobi on the eve of the US Mountain Running Championships at Mount Sunapee, and we get real about the early season weirdness: stacked fields, unknown fitness, and the uncomfortable shift from “underdog” to “the guy people watch” on the start line. Mason breaks down how he thinks about pressure, why being keyed off can be a disadvantage, and how he’s learning to race from a more established position without abandoning what made him dangerous in the first place. 

From there we go deep on mountain running tactics for a two loop course. We talk aggressive starters, when to let someone go, and how a simple pacing cap and a quick systems check can keep you from redlining early. Mason shares what he learned last year about respecting competitors, choosing the right moment to move, and why improved downhill running can completely change your options on race day. If you love short trail racing, this is the kind of practical strategy talk you can steal immediately. 

Then the conversation takes a turn to road speed and controlled chaos with the full Boston Marathon story. Mason shows up planning a victory lap after Gorge, decides to race anyway, and surprises himself with an OTQ and a huge PR. We also get into the experimentation side of endurance performance: super shoes, trail shoe choices for mud versus dry conditions, and the pros and cons of testing supplements like sodium bicarbonate and Nomeo, along with a clear warning about what not to try on your A race. 

If you’re training for a mountain race, a marathon, or both, hit play and come race-nerd with us. Subscribe, share this with a friend who loves tactics, and leave a review. What’s one decision you want to make smarter on your next start line?

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