There’s one rule in ultra running: Do nothing new on race day. At the Pedernales Falls 60k, I convinced myself that rule didn’t apply to me. One handheld bottle. No vest. Texas heat. A night race that I thought would get easier once the sun went down. Instead, every small decision started stacking up. What began as a simple training run slowly turned into one of the worst physical experiences I’ve ever had on a trail. Throwing up. Severe cramps. Hallucination-like sensations. And the realizat...