From big races to Saturday morning group runs—find sprint events and connect with the local endurance sports community.
3 - Count 'em - 3 Sprint Triathlons for a low price of $225!!
Fox Lake Triathlon - June 7,
Lake Zurich Triathlon - July 12 and
Wauconda Triathlon - July 26.
Your fee includes: Lowest price possible for each race, all the swag (timing, shirt, towels, food etc), and overall tri series medal at the end of Wauconda (must compete all 3 sprint races).
How does it work:
Register here and pay the allotted amount and you're in.
USAT registration is required at the time of registration. It would benefit you to pay for a full membership (or renew) now vs. a one day license that is only good for one race.
Each race will send you a personal note to compete their registration, waiver, shirt size, emergency contact etc..
The limit for the tri series is 50 participants.
Entry into the Series is for the SPRINT Triathlons for each location.
Participants who attempt to register for all three races separately WILL NOT be eligible for the Lake County Triathlon Series.
Sorry we don't give out refunds. You need to commit to all three races!!
Registration Deadline is June 5 or when the series fills at 50 people.
Cumulative time is tabulated from all three events, with top female and males earning Lake County Triathlon Series OVERALL winner at the end of the Wauconda Triathlon.
Lake County Triathlon Series participants will be eligible for age group awards at the Fox Lake, Lake Zurich, and Wauconda triathlon.
Questions: email [email protected]
The 9th Annual USAT Sanctioned Fox Lake Sprint Triathlon
Picture yourself coming down the finish line at LakeFront Park after finishing your race. You'll have swum 750 yard triangle course in Nippersink Lake triangle course - 2 inflatable duck turns and a swan finish. Then bike the 12 mile bike route with a few rollers and some straight shots to get up some speed. Then run 3.1 miles on an out and back course with over 2 miles on a paved bike path. Picture perfect!
Individual and relays welcome!
2026 SWAG - You choose from a Hat or Visor!
Parking within 2 blocks of transition. Finish line within steps of transition. Great spectator event in and around the course.
Typically wetsuit legal, always no draft bike, and flat and fast run. USAT official will be on the bike course.
Registration will close on Thursday, June 4, 2026 - 7:30 p.m.
Time trial starts every 5 seconds
FINISH LINE food, festivities, and awards will be done near when the last person has finished.
NEW IN 2026
Three Sprint Triathlons - One Rate - All the swag - Cool Medal - Overall Winner Awards!! Fox Lake - June 7, Lake Zurich - July 12, and Wauconda Triathlon - July 26. Check out the link to get registered - LImited to 50 racers.