Tom's Try-athlon Oak Brook Park District

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:
$30 per participant: Before May 16
$35 per participant: May 17-June 3
Online registration ends June 3 at 11:59pm
$40 Day of registration until 7:30am (if space available)

Shirt size is not guaranteed after May 16.

Event Check-In and Packet Pick Up:
Saturday, June 6, 2026 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