The Inkwell Clayton Kids Triathlon
- Date
- August 16, 2026
- Distance
- Short Course (Ages 7-10) · Long Course (Ages 11-14)
From the Organizer
The City of Clayton, Inkwell, The Center of Clayton and Big Shark Bicycle Company are proud to announce the 11th Annual Inkwell Clayton Kids Triathlon. This year's event will take place at Clayton Shaw Park Outdoor Pool, Shaw Park and the new GRG Centennial Greenway. This fun and twisty course will introduce kids ages 7- 14 to the sport of triathlon. New for this year- following the completion of the younger age groups we will be holding a free Fun Run on the @1 mile run course.
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
89°
Typical Low
70°
Based on US Climate Normals data from St Louis Sci Ctr, 1 mi from the venue.
Host City
About Saint Louis, MO
Population
293,109
as of 2023
Elevation
471 ft
Nearest Airport
STL
St. Louis Lambert International Airport · 9 mi
Time Zone
Central Time
From Endurance Grid
A big city race. Expect multiple lodging options and plenty to do the day before.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at The Inkwell Clayton Kids Triathlon, put it on the calendar, and turn “someday” into a start date.
69
Days to train
- Race
- The Inkwell Clayton Kids Triathlon
- Date
- August 16, 2026
Coming Up
More Triathlon races near Saint Louis, MO
Chesterfield Youth Triathlon
Youth
16 miles away
St. Louis Triathlon
Less than a mile away
St. Luke's New Town Triathlon
16 miles away
MTC Zilla Tri
15 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.
Three sports, one race — swim, bike, run in sequence, with transitions that are a discipline of their own.
Open water, open roads, and competition with yourself. Cross the finish line knowing what it took to get there.
Triathlon
Swim, bike, run — back to back. The sprint distance makes it far more accessible than most people think.
Frequently Asked Questions (FAQs)
- What is The Inkwell Clayton Kids Triathlon?
- The Inkwell Clayton Kids Triathlon is a triathlon race held in Saint Louis, Missouri on August 16, 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 triathlon races near you or explore our sports guides to learn what race day actually feels like.
- When and where is The Inkwell Clayton Kids Triathlon?
- Sunday, August 16, 2026 in Saint Louis, Missouri at 27 S Brentwood Blvd, Saint Louis, MO. Check the event page for exact start times and wave schedules.
- How do I register for The Inkwell Clayton Kids Triathlon?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
The Inkwell Clayton Kids Triathlon
Aug 16, 2026