Calvins Challenge 2026

The Calvins Challenge Event for 2026 - May 16-17I am very excited to announce that the Calvins Challenge event is back again in 2026 after being an ever greater success in 2024. In addition to that 20...

Calvins Challenge 2026

1675 E Possum Rd, Springfield, OH

2026-05-16 - 2026-05-17

The Calvins Challenge Event for 2026 - May 16-17I am very excited to announce that the Calvins Challenge event is back again in 2026 after being an ever greater success in 2024. In addition to that 20...

Tags: Road Race, Time Trial