
St. Luke's New Town Triathlon is a triathlon race on July 10–11, 2027 in Saint Charles, MO, with entry fees from $45 to $145.
The St. Luke’s New Town Triathlon has become one of the most popular triathlons in the Midwest. Originally a biathlon started many years ago, the event evolved into the John Howard New Town Duathlon, and now in its current format as an ‘almost’ Olympic distance triathlon.
This year the distances remain at a .62 mile Swim, 20 mile Bike and a 4 mile Run for the Long Course, and .3 mile Swim, 17 mile Bike and a 2 mile Run for the Sprint Course. The Kid’s Triathlon and EXPO will be held on Saturday, July 10th and the main event will be on Sunday, July 11th, 2027.
Set in New Town, St.Charles, the venue is tailor made for a fast race. The flat course profile makes this event the perfect race to open up full bore or try the sport of triathlon for the first time.
Sponsored by St. Luke’s Hospital and produced by Big Shark Bicycle Company/Big Shark Events.
We encourage you to sign up early to get a jump on the competition! You can also train with us at our Open Water Swim Series running almost every Saturday from May 1st through June 26th, 2027. There will not be swims on Memorial Day Weekend and July 4th Weekend.
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
88°
Typical Low
68°
Chance of Rain
28%
Based on US Climate Normals data from St Charles Elm Pt, 1 mi from the venue.
Population
71,048
as of 2023
City Elevation
570 ft
Nearest Airport
STL
St. Louis Lambert International Airport · 9 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.
Every finish line starts with a single decision. Claim your spot at St. Luke's New Town Triathlon, put it on the calendar, and turn “someday” into a start date.
239
Days to train
Plan your training, log every workout, and track your progress all the way to race day in the Endurance Grid app.


St. Luke's New Town Triathlon
Jul 10, 2027