This event is in the past.It took place on September 13, 2026 at Riverwalk Ball Fields and Batting Cages.
Sports
September 2026 Trophy Series
September 13 at 8am
At Riverwalk Ball Fields and Batting Cages
Thornton
⏰Registration closes at 7:45am sharp
🏃Arrive early to collect your bib
🚫No dogs or strollers permitted on course
Join the Rocky Mountain Road Runners for a fast 5k or 10k race along the Platte River. This September event offers a quick, fun course for runners of all levels.
Road running race
Competitive 5k
Competitive 10k
Platte River course
SportsSeptember 2026 Trophy Series
September 13 at 8am
At Riverwalk Ball Fields and Batting Cages
Thornton
⏰Registration closes at 7:45am sharp
🏃Arrive early to collect your bib
🚫No dogs or strollers permitted on course
Join the Rocky Mountain Road Runners for a fast 5k or 10k race along the Platte River. This September event offers a quick, fun course for runners of all levels.
Road running race
Competitive 5k
Competitive 10k
Platte River course