Welcome to the 8th annual All-Out Mardi Crawl! From the award winning Apex Center, these 5K, 10K & Half Marathon courses will run west along the 2020 Best of the Best Ralston Creek Trail through Arvada's open spaces and stunning golf course communities, shady, creekside beauty and a gentle half marathon course around Long Lake Regional Park. With its Endless Series counterpart Runapalooza, this is a can't miss opportunity to enjoy much of what Colorado has to offer!
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