Against a fast field, the Olympic champion is shooting for the top of the podum.
Last year's top American is dreaming big for this year's 5K.
The 31-year-old American will face a tough field in Sunday's Rock ‘n’ Roll Arizona Half Marathon.
The Colorado resident could leave San Antonio this weekend with some extra cash.
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.