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Tom's Try-athlon Oak Brook Park District 2027

Date
Saturday, June 5, 2027
Start time
8:00 AM start (Chicago)
Entry fee
From $25 · goes up to $30 on Feb 1, 2027
Included with entry
Includes a shirt
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Official race website

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Events and entry fees

EventDistanceWhenEntry feeCap
Tom's Try-athlon Oak Brook Park DistrictTriathlonJun 5, 20278:00 AM$25$30 after Feb 1, 2027175

Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.

Race day planning

Entry fee schedule

  • $25 until Feb 1, then $30 until Apr 1, then $35 until Jun 1, then $40 until Jun 5.

Online registration closes Jun 5, 2027, unless the race fills first.

Light and altitude

Sunrise on race morning is at about 5:17 AM, and the Tom's Try-athlon Oak Brook Park District starts at 8:00 AM.

Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.

Start location and course

1450 Forest Gate Road, Oak Brook, IL 60523

The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.

Typical race-day weather

Around June 5 the day usually runs from 57°F at dawn to 77°F in the afternoon, with measurable rain on about 23% of days. Cold snaps dip to 51°F and hot years reach 87°F.

Based on 60 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.

Race details

Where
1450 Forest Gate Road, Oak Brook, IL 60523Map
Course
Road
Included with entry
T-Shirt
Distances
Triathlon
Editions
2027 (Jun 5, 2027), 2026 (Jun 6, 2026)

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Quick answers

When is Tom's Try-athlon Oak Brook Park District?
Saturday, June 5, 2027, starting at 8:00 AM.
How much does it cost?
Entry starts at $25 before processing fees, and rises to $30 on Feb 1, 2027.
When does registration close?
Online registration closes Jun 5, 2027, unless the race fills first.
Do athletes get a shirt or medal?
Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
What distances are offered?
Triathlon.
Where does it start?
1450 Forest Gate Road, Oak Brook, IL 60523.

From the organizers

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:

Read the full description on RunSignup