What Race To Run logo — guide to running races and marathons around the world

Welcome to What Race To Run, your one-stop destination for discovering and participating in races from all corners of the globe! Our mission is to connect passionate runners like you with the most exhilarating, diverse, and unforgettable racing experiences on the planet.

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Course HighlightsThe Colorado Marathon Relay gives teams of runners the chance to tackle Colorado's most scenic downhill marathon course together. Relay teams are divided across the dramatic point-to-point course that descends from the Rocky Mountain foothills through the Cache la Poudre River Canyon — a designated Wild and Scenic River — all the way to the finish line in Washington Park in Old Town Fort Collins. The canyon section features rushing whitewater rapids, dramatic sandstone walls, and cottonwood groves; the

Course HighlightsThe Colfax Marathon Relay lets teams of five runners share the full 26.2-mile Colfax Marathon course through Denver's most iconic landmarks. The relay is divided into four legs, sending runners through Empower Field at Mile High on the warning track, along the bustling Colfax Avenue past the State Capitol and VooDoo Donuts, through a full mile inside Denver Zoo with live animal spectators, around Sloan's Lake with Rocky Mountain views, and through Lakewood before returning to the City Park

Course HighlightsThe Cascade Lakes Relay is one of the Pacific Northwest's most epic endurance adventures. The 216-mile course begins at Diamond Lake Resort in the shadow of Mount Thielsen and winds through the Oregon Outback, rural agricultural country, and remote high desert before climbing back into the Cascade Lakes Highway and finishing at Riverbend Park in Bend's Old Mill District. Teams see more cows than semi-trucks and smell ponderosa pines instead of exhaust. The 36 legs range from barely 2