The American is making the step up from the half marathon distance this weekend.
The 40-year-old will be gunning for an American Masters record this weekend.
Plus, there is a $50,000 prize purse for the age-group Grand Prix.
The race is slated for Feb. 2.
Canadian Rob Watson and Brit Jess Peterson won the half marathon titles.
Check out these great shots from the Valley of the Sun!
Exciting finishes highlight an epic night of running on The Strip.
The 39-year old successfully completed the first half of an epic marathon double.
Check out these great shots from San Antonio!
Kids took part in the Rock ‘n’ Roll San Antonio Marathon & 1/2 Marathon race weekend excitement on Saturday!