Katelyn is an experienced ultra-endurance athlete and UESCA and RRCA-qualified ultramarathon coach hailing from Newton, MA. Alongside her love of long-distance cycling, Katelyn has raced extensively in elite ultramarathons, and is the founder of the 30 Grados endurance trail-running club.

Katelyn is also an experienced sports journalist, and is the Senior Editor of MarathonHandbook.