Endurance Grid lists 5 races in Owosso, Michigan, from August 2026 to May 2027.
The race calendar
The Owosso race calendar is busiest in October, May, and August. It covers a range of endurance sports — you'll find races in Running and Triathlon — so there's usually a race near you. Distances span a wide range across those sports; you'll see 5K, 1 Mile, and Sprint.
Weather on race day varies by time of year, so it lives where it’s accurate — each race page shows that race’s typical high, low, and rain chance from NOAA climate normals for its venue and date.
Population
14,658
as of 2023
City Elevation
727 ft
Nearest Airport
FNT
Bishop International Airport
Time Zone
Eastern Time
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Just Outside Owosso