• ROC 7K Trail Run group picture
  • ROC 7K Trail Run starting line
  • ROC 7K Trail Runners
  • ROC 7K Trail Runner
  • 1st Place Runner [ROC 7k Trail Run 2017]
  • ROC 7K Trail Run bonfire
  • ROC 7K Trail Run bonfire
  • ROC 7K Trail Run group picture
  • ROC 7K Trail Run oranges
  • Lucky's Market

ROC 7K Trail Run

Rhett's Outdoor Challenge ROC 7K Trail Run

Check back for the announcement of the 2022 race date!

DATE Saturday, Jan. 23, 2021
LOCATION Rhett’s Run, Cosmo Park
START/FINISH Antimi Shelter, Cosmo Park
COURSE LENGTH 7K (4.3 miles)
COST $35
REGISTRATION 573-874-7460 or online


Start the New Year with a challenge at the 8th Annual ROC 7K Trail Run! Join us at Cosmo Park’s Rhett’s Run for this 7K (4.3 mile) trail run where runners will take in the scenic twists and turns along this well-maintained single track course. The race starts and finishes at Antimi Shelter. All participants will receive a long-sleeved performance fabric ROC 7K shirt (please register prior to January 8 to be guaranteed your preferred shirt size). The race is chip timed and unique awards are given to the overall top male and female finishers as well as the top 3 males and females in each age group (19 and under, 20-29, 30-39, 40-49, 50-59, 60 and over).


Advance registration is required; no race day registration. Call 573-874-7460 or register online.


Meet at Antimi Shelter, Cosmo Park, 1615 Business Loop 70 West


$35 in advance through noon on January 22. Pre-registration is required. 

*Weather Policy

In the event of severe weather or unsafe trail conditions, the ROC 7K will be postponed to Feb. 6, 2021. If conditions are not safe on this date, the event will be cancelled and participants will be able to pick up their finisher items at the Gentry Building, 1 South 7th Street in downtown Columbia starting on Monday, Feb. 1, 2021. In the event of the race being postponed or cancelled, pre-registered participants will be notified via email. No refunds will be issued if the event is cancelled due to inclement weather.

ROC 2021 Course Map

About the ROC 7K Trail Run Course

Rhett’s Run is a single track trail designed for mountain biking. It also makes  a great running trail because it is well maintained and includes just the right amount of varying terrain to make it fun. Along the 4.3 mile course, ROC runners will encounter some hills, rocks, roots, grass and the occasional bit of gravel. It’s beautiful out there! The course will be very well marked with flagging in trees, arrow signs and kilometer markings, as well as volunteer support. There will be one aid station with volunteers, water and light first aid supplies.

Rhett’s Run information

Visit the ROC 7K on Facebook to share and invite your friends to join you!

ROC 7K Trail Run Schedule

Friday, Jan. 22, 2021
4:30-6 pm: Packet pick-up at the ARC, 1701 W Ash

Saturday, Jan. 23, 2021
7:45-8:50 am: Packet pick-up and Race Day Registration at Antimi Shelter 
9:00 am: Race begins
9:30 am: Post-race food available
10:15 am: Awards (in-person ceremony subject to Health Dept. approval)
11:00 am: Race course closes

Interested in Volunteering at the ROC 7K?

Volunteers play a very important role at races. If you would like to join us to support the runners at the ROC 7K Trail Run, please sign up online here or email parksandrec@como.govcreate new email to learn more about the volunteer opportunities. 

2020 ROC 7K Photos 2020 ROC 7K Results
2019 ROC 7K Photos 2019 ROC 7K Results
2017 ROC 7K Photos

2016 ROC 7K Pre-race Photos

2016 ROC 7K Course Photos

2016 ROC 7K Finish Photos

2016 ROC 7K Results