Permanently Closed
This track is no longer operating. Listing kept for reference only. Verify before visiting.
Mason City Motocross Track
Mason City, Iowa · 3700 4th St SW, Mason City, IA 50401 (North Iowa Fairgrounds — I-35 Speedway infield)
Location
About
Mason City Motocross is permanently closed. It was an infield track at the former I-35 Speedway on the North Iowa Fairgrounds; the only dated on-track activity ever found was in 2003, its Facebook page was deleted, and it is absent from every current Iowa directory. Historical records are preserved below. Mason City Motocross Track is listed at Roosevelt Avenue in Mason City, Cerro Gordo County, Iowa, but its current operating status as a motocross track could not be confirmed from any authoritative source. It appears only in automated dirt-bike directory listings carrying generic, apparently AI-generated descriptions, and is absent from curated motocross directories (e.g., MapMoto's nine Iowa tracks) and from any 2025-2026 race-result or registration records. It should not be confused with the separate Mason City Motor Speedway, a 1/3-mile clay oval for stock-car and modified racing rather than motocross.
Contact
Riders who race at Mason City Motocross Track
From archived race results — tap a rider for their full career record.
More motocross tracks near Mason City
Powersports dealers near Mason City
Straight-line distance from the track. Call ahead for hours and parts availability.