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.
Rule of Three

Come Early and Stay Late!
Beginning as early as Tuesday May 12th, we’ll have shake out rides, community get togethers, and other great ways to experience OZ – endless trails, bike cafes, museums, swimming holes, and hangouts.
Sponsor a Rider
Donate to the RO3 Peace and Love Fund and sponsor another rider’s registration cost. If you want it to cover someone in particular, email us their name and we’ll refund their registration. All names receiving this fund will be kept confidential. Reach out to us if you are in need of financial assistance. Email: lauren@ruleofthree.bike
Camping
Camping will be located on-site at the event location. This is a gorgeous open field with plenty of space to pitch a tent but not a camper van or RV. If you’re traveling by camper van, there is a gravel lot near the camping that is first come first serve. If you’re traveling by RV please park at a different location and ride your bike to the race. There will be no RV parking anywhere on the road or field. The closest RV campground is at Blowing Springs Park in Bella Vista.
There will be port-o-potties and a dumpster for garbage but no potable water. Please come prepared with enough water for the entire weekend.
Refunds, Transfers, Deferrals
No cancellations or deferrals but you can transfer to another person or change your category by midnight of MAY 12th, 2026. You can change your category or transfer your registration to another rider by following these BikeReg directions:
How to Transfer your Registration to Someone Else
How To Change The Category You Registered For
How to Remove yourself from a Waitlist
RO3 Merch
PLEASE TAKE SPECIAL NOTE:
1. Time cutoff
- Rule of Three is not your average 115 mile bike ride. Think road race, meets gravel, meets MTB, meets adventure race all rolled into one! Our course takes significantly longer to complete than an average 115 mile gravel event. If you’ve never done this race before and you’re not sure if you can complete a 115 mile RO3 route in less than 12 hours, we strongly suggest that you choose the 60 mile option-it’s still a beast!
- For the 115 miler, we will have a time “check out” on course that you must pass by a certain time. If you haven’t made the time cutoff you’ll need to call for someone for a ride or wait for our Broomwagon, 37 North Expeditions, to come pick you up.
- We want you to stand up to the challenge but we must keep the safety of all our riders top priority. We aim to have the last riders finish by 8pm.
2. Teams
115 and 60 mile 3 person teams take off (time trial style) in 1 minute increments. The team rides the route together, stopping at checkpoints to gather their “proof” and they must finish together.
3. Age Limit
If a rider U14 (13 years and younger) wants to ride at The Rule of Three, the rider will need to register under the U14 + Adult category and ride together with that adult during Rule of Three. The Rule of Three routes incorporate road, gravel and singletrack. Riders will need to ride alongside cars and have intermediate to advanced experience in all disciplines and be well versed with the rules of the road.
4. Inclement Weather Policy
Rule of Three will happen if the “creek don’t rise” and if it does we’ll route around it! Northwest Arkansas weather can be unpredictable to say the least. Come prepared for freezing and hot temps. Blue skies and dark skies. Dry and wet conditions. Buckle up…no matter what, it’ll be a fun ride!
5. Routes
The Rule of Three routes are new every year and we try to hold off on route revelations until right before the event….the element of surprise is a nice touch.
6. Volunteer at Rule of Three
www.bikereg.com/volunteer-at-rule-of-three
For up to date information head to our Instagram page and our website.
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