Calvins Challenge 2025
1675 E Possum Rd, Springfield, OH
2025-05-17 - 2025-05-18
The Calvins Challenge Event for 2025 - May 17-18The 12-hour Non-Drafting event is the WUCA 12-hour North American Championship for 2025!– and --The 6-hour Non-Drafting event is the WUCA 6-hour North A...
Tags: Road Race, Time Trial