His top masters athletes are gearing up for the USA club cross-country nationals in San Francisco in December .
This fall , for instance , many of Sumner 's athletes are prepping for marathons in the Twin Cities , Chicago , and New York City .
Sumner 's top masters athletes are gearing up for the USA club cross-country nationals in San Francisco in December .
This fall , for instance , many of Sumner 's athletes are prepping for marathons in the Twin Cities , Chicago , and New York City .