

In this deeply moving episode of the Athletics Ontario Running Podcast, we sit down with physician and competitive runner Danny Grossi to hear a story of unimaginable resilience and innovation.
After a stellar collegiate career at Princeton, a sudden medical condition sidelined Danny for decades. His triumphant return to the sport in his 50s was abruptly halted by a life-threatening blood clot and severe compartment syndrome. Facing multiple intense surgeries, doctors delivered a grim warning that he might never walk again, let alone race.
Refusing to accept this fate, Danny leveraged his extensive medical expertise and a rigorously data-driven mindset to engineer a grueling but successful rehabilitation process. This harrowing journey sparked a powerful new mission, leading him to develop PIRX, a cutting-edge, AI-powered training app designed to predict race performance and optimize physiological outcomes.
Tune in to discover how one athlete transformed the terrifying threat of limb loss into a technological breakthrough dedicated to helping runners everywhere reach their ultimate potential.
Learn more about Danny and PIRX at: https://www.instagram.com/pirx.app/
Register to be an Athletics Ontario member: https://athleticsreg.ca/#!/memberships/athletics-canada-road-trail-membership
Check out Hammer Nutrition Canada (and use our special discount code AORP15 at checkout): https://hammernutrition.ca/