Summit USRA Weekly Racing Series 5/7/17

Summit USRA Weekly Racing Series feature winners and action shots from the Mason City Motor Speedway in Mason City, Iowa, on Sunday, May 7, 2017.

• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 

NEXT EVENT
Sunday, May 25, 2025
Jerry Hejna Memorial presented by Rookies Rockin' Sports Bar, Sevens Restaurant & Steakhouse and TAP'd Tap House & Cocktail Lounge

4		14		18		23
DAYS		HOURS		MINUTES		SECONDS