Smith Physical Therapy
August 2, 2020
Crystal Lake, IL
Illinois' only aquathon, including trail running and open swimming, at distances from beginner to Ironman.
At Three Oaks Recreation Area in Crystal Lake.
Join Us:

Swim. Run. Persevere. Have fun!

Join athletes from across the Chicagoland area for this one-of-a-kind performance event.
We are actively working with the City of Crystal Lake to keep the race going with some modifications to maintain any social distancing requirements. So this year may look different than it has in the past but we are trying to have a great and fun experience, with keeping all volunteers and racers safe!

We are currently offering "Reserve your Spot" options for the race. NO Fees, No Money Down, Just Reserve your Spot! Once the COVID-19 atmosphere is safe - we will open the race up. But in the mean time - Reserve your Spot and keep training!

Race Info
The After-Party

Illinois' Only Aquathon

The third annual Crystal Lake Aquathon will be taking place within the ideal confines of Three Oaks Recreational Center in Crystal Lake, IL. As the only aquathon in the state of Illinois, this race will offer 3 options:

  • Sprint Distance (500m swim, 5k run)
  • Olympic Distance (1 mile swim, 10k run)
  • 2 Mile Swim Only 
  • Kids Race (250 meter swim, 1 Mile Run)

The swim portion takes place in a modified quarry (swim around 3 islands!) while the run is on a combination of trail, sand, and pavement (and even a bridge!). Follow these links to view course maps for the 2019 run course and swim course.

The Crystal Lake Aquathon is a proud supporter of Girls on the Run.

View 2018 Results


Check out the amazing swag for the 2018 race participants! All participants received a finishers medalswim cap for their respective event, in-person or virtual running technique teaching session, and a beach towel.  Plus, check out the Top Finishers Prizes.


Come for the race, stay for the fun at the awards ceremony/after-party hosted by The Quarry Cable Park. Awards will be given to top male and female finishers in each age group for each event. All participants will be given a free raffle ticket for a chance win great items. Last place finishers receive a special prize too! Stay after to enjoy all that Three Oaks has to offer: swimming, sailboat and paddle board rentals, scuba diving, children's playground/splash park, volleyball, fishing, and fun in the sun!

Sponsorship Opportunities

To inquire about opportunities for the 2020 Crystal Lake Aquathon, please contact Denise Smith at for information. Levels include:

  • $1000 "Ironman Distance": large banner at start and finish line, >20 mentions during the race, special recognition at the award ceremony, prominent placement on website and registration site, logo on volunteer shirts, sponsor table at event
  • $500 "Olympic Distance": signage along the race, >10 mentions during the race, special recognition at the award ceremony, name/logo/link on website, logo on volunteer shirt, sponsor table at event
  • $250 "Sprint Distance": >5 mentions during the race, name/logo/link on the website, logo on volunteer shirt, sponsor table at event
  • $100 "Dash Distance": mention at the beginning and end of race, name on volunteer shirt, sponsor table at event
  • In Kind Donations: raffle prizes, food items, drink items - please email to brainstorm!

Volunteer Opportunities

We are blown away by your willingness to help with this event - it would not be happening without you! As a thank you for donating your time and talent, all volunteers will receive:

  • T-Shirt
  • Breakfast
  • Water
  • Drink Ticket for the after party (Alcoholic drinks will require a valid photo ID. Non-alcoholic drinks also available.)

Click here to volunteer for the 2019 Aquathon or feel free to email Denise at with any questions.

2020 Schedule

(Schedule pending race and site approval. Please check back often for updates.)


July 31-Aug 2

Race Day

Aug 2


Aug 2
2020 Schedule

Details coming soon!

Check back as we finalize details for packet pickup and race day!
2020 Schedule

Details coming soon!

Check back as we finalize details for packet pickup and race day!
2020 Schedule

Details coming soon!

Check back as we finalize details for packet pickup and race day!


Get ready for the race!


Want to learn to run faster, longer or without injury? Schedule an appointment for running technique training at Smith Physical Therapy and Running Academy. Or become a better runner through the Pose Method.


Take advantage of Open Water Swim (OWS) at Three Oaks Recreational Area!

2019 Aquathon Photos

Thank you to all of our participants. We had a blast and we look forward to seeing you next year. Special thanks to our photographers for capturing the event!

2020 Registration is Open!

Sign up now to guarantee your spot in the 2020 Crystal Lake Aquathon.

2019 Event Sponsors

Interested in sponsoring the 2020 Aquathon? More information will be available soon.
All Rights Reserved © 2020