Welcome to our Calendar of Events.
Arkansas Outside is NOT the owner or organizer of these events (unless otherwise noted). We aggregate these events into this one place to allow our readers a chance to see what outdoor recreation events are going on around the state. There is no need for FOMO when playing outside.
If you’re looking for a specific type of event you can use the following links:
- Running (Road & Trail)
- Cycling (Road, Mountain, Gravel, etc.)
- Multisport (Triathlon, Duathlon, Adventure Racing, etc.)
- Paddling (Kayak, Canoe, Raft, Tubing, etc.)
- Climbing (Rocks, not trees)
- Trail Love Days (Volunteer Opportunities)
Are we missing an event? Enter your event here:
We’ll see you on the trail.
Natural State Backyard Ultra (High School Ultramarathon National Championship & Open Division)

Join us for the second annual Natural State Backyard Ultra which is the location for the High School Ultramarathon National Championship hosted by Epopeo in North Little Rock, Arkansas on March 14-15. Compete with other high school endurance athletes from around the country for the opportunity to be the High School Ultramarathon National Champion. The Backyard Ultra format (see description below) used for this event allows any level of runner the opportunity to compete whether they have competed in ultras in the past.
To compete in the High School Division, the participant must not have graduated earlier than 2026.
There is a separate Open Division for all adults and runners not classified in the High School Division.
Related Events
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