The Kenyan native's running roots took hold during a car ride from a stranger when she was 19.
The 32-year-old has dealt with plantar fasciitis this year and is still on the mend
Vaughn will compete at Janus Rock ‘n’ Roll Denver, which doubles as the USATF Colorado State Half Marathon Championships A few months
Racing frequently can be risky, but there are also lots of potential rewards to this approach.
The 41-year-old clocks 1:09:36 to finish third at the Rock 'n' Roll Philadelphia Half Marathon.
The 39-year-old finished second at the inaugural event.
Two professional coaches and one of America's top marathoners share their best advice.
Take these top tips to heart heading into your next ultra.
Want to race Boston next April? There's still time to qualify!