Tom’s Try-athlon Oak Brook Park District – Oak Brook, IL 2026

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