May 7, 2017
USRA Modified feature Mason City Motor Speedway 5/7/17

Flag-to-flag coverage of the USRA Modified main event during the Summit USRA Weekly Racing Series from the Mason City Motor Speedway in Mason City, Iowa, on Sunday, May 7, 2017.

NEXT EVENT
Sunday, July 13, 2025
PRO Late Model Series presented by Pritchard Family Auto Stores and Christie Door Company