JustTri
- Date
- July 26, 2026
- Location
- 1900 E James St, Derby, KS
- Distance
- JustTri 7-10 Years Old · JustTri 11-14 Years Old
From the Organizer
The JustTri Youth Triathlon encourages youth to try something new while embracing a healthy lifestyle. It's an opportunity that impresses on them values like courage, discipline, determination and dedication. We hope they learn to love the journey and that it lasts a lifetime!
This year's race will be on Sunday, July 26 at Rock River Rapids Water Park in Derby, KS.
Age groups and distances:
7-10 years old
Swim: 50 meters
Bike: 3 miles
Run: ½ mile
11-14 years old
Swim: 100 meters
Bike: 6 miles
Run: 1 mile
Finisher medals for everyone who crosses the finish line, plus 1st place boys and girls of each age.
Packet Pickup
Saturday, July 25, 5-7pm at Rock River Rapids Open Shelter
Race Day
6-7am, Transition area open
7am, Racers report to pool area
7:30am, Race Start Time
Swim
- The swim will take place in the Rock River Rapids lap pool. Swimmers will be started one at a time every 20 seconds and swim in serpentine style course.
- The 7-10 age group will start at the South end of the lap pool and swim down once for 50 meters.
- The 11-14 age group will start at the North end of the lap pool and swim down and back once (100 meters)
Bike
- All cyclists must wear helmets and appropriate shoes (no open toe, sandals, etc.). The bike transition will exit on the West side of the parking lot, turning left on College Hill, then left on James street. Riders will continue east on James St. and make a right turn into High Park. Riders will remain on main access road through High Park until they reach the marked turnaround at which time they will head back to Rock River Rapids on the same route.
-The 7-10 age group will complete this loop one time for 3 miles
-The 11-14 age group will complete this loop two times for 6 miles
Run
- After they park their bike, runners will exit the transition area towards the East and proceed through the parking lot until they get to James St. where they will take a left. Runners will stay on the sidewalk for an out and back route.
-The 7-10 age group will reach a turnaround point after 1/4 mile
-The 11-14 age group will have a turnaround at the 1/2 mile mark
This race would not be possible without our sponsors. Thank you to our Presenting Sponsor, Bicycle Exchange!
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
92°
Typical Low
69°
Chance of Rain
24%
Based on US Climate Normals data from Haysville 3se, 4 mi from the venue.
Host City
About Derby, KS
Population
25,801
as of 2023
Elevation
1,277 ft
Nearest Airport
ICT
Wichita Dwight D. Eisenhower National Airport · 12 mi
Major Hub
TUL
Tulsa International Airport · 120 mi
Time Zone
Central Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at JustTri, put it on the calendar, and turn “someday” into a start date.
Coming Up
More Running races near Derby, KS
DRC Smokin' 5K
5K
Less than a mile away
Derby Firecracker
Less than a mile away
Heatwave Half Marathon - Wichita
Half Marathon
11 miles away
Laps For Love Backyard Ultra
11 miles away
From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the JustTri?
- JustTri is a running race held in Derby, Kansas on July 26, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the JustTri?
- Sunday, July 26, 2026 in Derby, Kansas at 1900 E James St, Derby, KS. Check the event page for exact start times and wave schedules.
- How do I register for the JustTri?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
JustTri
Jul 26, 2026