Tom's Try-athlon Oak Brook Park District
Tom's Try-athlon Oak Brook Park District is a triathlon race on June 5, 2027 in Oak Brook, IL, with an entry fee of $25.
- Date
- June 5, 2027 (317 days to go)
- Price
- $25
- Sport
- Triathlon
From the Organizer
Don't miss Tom's Try-athlon! This friendly competition promotes exercise in a fun and energetic way. Kids will show off their skills and athleticism by participating in the three traditional triathlon events: swimming, biking, and running.*
*Failure to wear a bike helmet during the entire bike portion will result in disqualification.
Event starts promptly at 8am!
Age Groups:
6-8
9-11
12-14
Registration Information:
$25 per participant January 1 to January 8
$30 per participant January 9 to March 31
$35 April 1 to May 30
$40 May 31 to June 3
Online registration ends June 3 at 11:59pm
Shirt size is not guaranteed after May 9.
Event Check-In and Packet Pick Up:
Saturday, June 5, 2027 from 6:30-7:30am. Staff will also be available to answer any questions.
Race Distances (all are approximate and are subject to change)
Age Swim (yards) Bike (miles) Run (miles)
6-8 25 1.3 .6
9-11 75 2.6 1.2
12-14 125 3.9 1.7
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
78°
Typical Low
55°
Based on US Climate Normals data from Lisle-Morton Arboretum, 6 mi from the venue.
Host City
About Oak Brook, IL
Population
8,028
as of 2023
City Elevation
674 ft
Nearest Airport
ORD
Chicago O'Hare International Airport · 10 mi
Time Zone
Central Time
From Endurance Grid
A small town race. Lodging near the start could be limited, so book early.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Tom's Try-athlon Oak Brook Park District, put it on the calendar, and turn “someday” into a start date.
317
Days to train
- Race
- Tom's Try-athlon Oak Brook Park District
- Date
- June 5, 2027
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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. Three sports in one race means three movements to train and race day never gets monotonous.
Coming Up
More Triathlon races near Oak Brook, IL
Wisconsin Women's Triathlon
Sprint · From $135 · 9900 Terwall Terrace
48 miles away
North Shore Youth Triathlon
From $25 · 1600 Dodge Ave
20 miles away
Fontana Triathlon on Geneva Lake
Sprint · Olympic · From $105 · 454 Lake Street
59 miles away
2026 J-Hawk Latebird Race Series: Duathlon, Triathlon (Olympic, Sprint, & SuperSprint), AquaBike (Oly & Sprint)
Sprint · Olympic · From $50 · Warhawk Drive
80 miles away
Plan your trip
Make it a Racecation
Coming from out of town? There's more to Oak Brook than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to Oak BrookFrequently Asked Questions (FAQs)
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Tom's Try-athlon Oak Brook Park District
Jun 5, 2027