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Boston Marathon's Hottest Day Leaves Runners Cramping

2/23/2025

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Summary

Story summary

On April 15, runners faced the Boston Marathon's hottest day in seven years, with temperatures soaring to 73 degrees. By Mile 16, I was hit with debilitating cramps in my right calf, pushing my finish time nearly 30 minutes beyond my goal. Determined to improve, I reached out to Zenner for a sweat test post-race.

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Story summary

On April 15, runners faced the Boston Marathon's hottest day in seven years, with temperatures soaring to 73 degrees. By Mile 16, I was hit with debilitating cramps in my right calf, pushing my finish time nearly 30 minutes beyond my goal. Determined to improve, I reached out to Zenner for a sweat test post-race.