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13.1 miles of fun
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5K
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Half Marathon
13.1 miles of fun
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The full 26.2
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100K
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50K+ off-road
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26.2 off-road
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13.1 off-road
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13.1 on the roads
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6.2 miles on pavement
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Run along the shoreline
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Run anywhere, anytime
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Trail marathon races near Aurora, CO
Trail marathon races in Aurora, CO
26.2 off-road in Aurora, CO