Omaha Costco Marathon 2026

The race.

The Omaha Costco Marathon on December 12, 2026, is a 26.2-mile running event connecting three Costco warehouse locations throughout Omaha. The race begins and finishes at the Costco on West Dodge Road (12300 W Dodge Rd), with the start at 7:00 AM following bib pickup at 5:45 AM and a national anthem at 6:45 AM. The course includes five aid stations and three Costco stops, stocked with water, Gatorade, hot chocolate, coffee, hand warmers, and snack items including applesauce pouches, cookies, muffins, and pretzels. Registration is free with donations encouraged to fund aid station supplies and support the Food Bank of Omaha. There are no official timing, awards, or race bibs provided. Course maps are available on Strava, Garmin, and RaceDay Map for download.