Click here to register for the Frostbite 5k.

Click here to register for the Polar Bear Grand Prix.

Looking for volunteers (course marshals, water station, bike lead), click here for details and to register. All volunteers get a race shirt (while they last) and a $20 credit to a River City Races owned event.

This race is part of the River City Races Run the 502 series. Run six races on our calendar and get a Run the 502 Finisher Medals with charms of all the races finished. Click here for more details, to see the medal and register (no fee to register for the Run the 502).

Second race of the Polar Bear Grand Prix, the Frostbite 5k is by far the most popular race of the series and the best value on the running calendar with a long sleeve, ¼ zip technical race shirt with your entry fee.

Registration features:

• Free race photography

• Age Group Awards

• Awards for Overall, Masters and Grand Masters

• Team competition

Register by December 20th to be guaranteed your shirt size, after the 20th, on a first come, first serve basis.