Sun, Aug 30, 2026
Thornton, CO
Entry is $20 now and rises to $25 after Aug 24, 2026, so registering before then saves $5.
The races in this series are held at Riverdale Ballfields, a park setting with enough open space to comfortably handle a training group. The registration area has covered tables and public restrooms right there, so you are not scrambling before the start or hunting for a spot to drop your bag.
Free race emails
In for this one or still deciding, keep race season near Thornton on your radar: a Monday look ahead and a Thursday rundown of the weekend's races.
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Set a goal and get a pace band: every mile split on a card sized for your phone lock screen, so race morning needs no math.
Traveling for this race? The map shows hotels and rentals in and around Thornton — pan or zoom to compare what's nearby.
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