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He’s pushing human limits. Help us advance human health.

Every Record Has a Purpose. Every Donation Powers Discovery.

Your donation to Countdown supports the mitochondrial research and education at the heart of Tyler's world-record pursuit, helping advance discoveries that will change the future of human health.

As a 501(c)(3) (EIN: 99-3644250), your donation is 100% tax deductible.

Countdown holds a 2026 Platinum Transparency rating from Candid, reflecting our commitment to openly sharing how donations are used.