Greenland Trail Races
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Race Information
The Greenland Trail Races offer four outstanding distances in southern Douglas County. Run the 4 Miler, the 8 Miler, the 25K, or tackle the 50K ultramarathon, Colorado's fastest 50K.
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Related Events
Did you know that this race is part of a series of runs? If you like this race you may want to run one of the following Colorado Runner events.
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Pace Calculator
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