races
Nielson Challenge
Sat, Jul 4, 2026 · 2:00 AM MDT
Colorado Springs · colorado-springs,
Source: runsignup_race
Listed by a single source: Listed Source
Only one source reports this event. Details come from that source — please verify with the venue before attending.
What is this?
The Nielson Challenge is on Saturday July 4, 2026.
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