- Join us on Sunday December 14th for a fun and festive,
family-friendly 5K run and walk in the town of Superior - conveniently located
off Highway 36 between Denver and Boulder. Get a head start on the holiday
season with the Stocking Run!!! The race is limited to 1,000 entrants,
and all participants will receive a red felt stocking chock-full of sponsor
goodies! How fun is that!!! This is also the first race in the Racing
Underground winter running series, which offers $3,400 in prize money for the
top finishers and age group awards in every age category. Pick one race, or do all three!