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 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 Cherry Creek Sneak is one of Denver's oldest and most beloved springtime running traditions, held annually the last Sunday of April in the vibrant Cherry Creek North neighborhood. Courses of five distances wind through the tree-lined streets of one of Denver's most walkable and stylish districts, passing boutique shops, art galleries, and restaurants. The signature 10-Mile course is the centerpiece for competitive runners, while the 5-Mile, 5K, and 1.5-Mile Sprint options welcome everyone from speedy elites to families