Marathon • Half-Marathon • Half-Marathon Relay • 5K   |   Historic St. Charles, Missouri   |   Saturday, October 2, and Sunday, October 3, 2021

What if I change my mind and want to level up in The Chuck Challenge?

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Jun

What if I change my mind and want to level up in The Chuck Challenge?

If you decide to change your race distance after you registered, just go into your RunSignup profile and transfer to the next Chuck Challenge level you want to complete. Additional costs will be applied.