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.