2026 Mainly Marathons Southwest Series - Day 1

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Race Information

Southwest Series is organized by Mainly Marathons, one of the largest race organizers in the US, with races in all 50 states. You can participate in one race or take the challenge to complete the whole series!

Mainly Marathons races are designed for runners who run long and run often. All finishers in races longer than half marathon get a custom metal-stamped nameplate!

Destination Run Pick of the Month - Ogden Marathon

The 2026 Ogden Marathon has SOLD OUT! Missed out? Sign up to their email list here to get early bird pricing for the 2027 Marathon.

Experience the Ogden Marathon, recognized by Runner’s World and Shape.com as one of the most beautiful on Earth—and one of the top for first-time marathon runners, taking place on May 16, 2026.

Celebrating 25 years of unforgettable miles, this world-class race offers a breathtaking journey through the stunning Ogden Canyon on a gentle downhill course that's not only incredibly scenic—but also a fast Boston Qualifier. With multiple race distances, unmatched community support, and a thrilling finish on Historic 25th Street, it’s the perfect adventure for runners of every level.

Stick around post-race for the Finish Line Festival, which features live music, food trucks, vendors, character appearances, kids’ activities, and nonstop family fun!

Be part of a milestone year, with extra surprises, swag, and race-day energy to celebrate 25 years strong. Click the button below to get all the details.

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