Rockin on the River 5K

APR
11
2026
Enjoy a scenic 5 km run along the South Platte River on any Mary Carter Greenway. This family friendly event in Littleton features live music, entertainment, and unique waterproof dry bags for participants.
Sat 11 Apr 2026
5 kilometers

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Rockin on the River 5K

The Rockin on the River 5K is an outdoor running event held in Littleton, Colorado. The course takes participants along the South Platte River on the Mary Carter Greenway. This event is part of the South Suburban Race Series and provides a route with views of the river and local green space.

The event features a single distance:

  • 5 km

The race includes pre-race and post-race music and entertainment. Participants are encouraged to wear their favorite t-shirts for the occasion. Registration is available for both adults and youth aged 14 and younger, with specific pricing tiers based on the registration date.

Adult participants receive a 10L waterproof dry bag as race swag, which can be repurposed as a reusable trash bag for vehicles or for outdoor activities like hiking and camping. Awards are presented to the overall top male and female finishers. Additionally, recognition is given to the first, second, and third place finishers in various age categories, ranging from 9 and under to 70 and older.

Parking is provided on-site in three designated lots. Additional parking is available across the street at Arapahoe Community College. Packet pickup is organized in the days leading up to the race at a local athletic footwear store in Littleton. Visit the organization's website for the most recent information.

5 km