TOSA Youth Tri

Looking ahead to 2019

Save the date! TOSA Youth Tri 2019 will be Saturday, Aug. 24. Registration opens April 8th. If you would like to be notified when registration opens, let us know by emailing

Get ready!

The Wauwatosa Recreation Department is offering a class to help prepare participants for the swim portion of the TOSA Youth Tri.

This class will work on building endurance and speed. Timed swims at each class will check for improvement. Register at



7/9 – 7/30







8/12 – 8/15




8/19 – 8/22




Race recap 2018

We were pleased to host about 200 young athletes on Aug. 25, 2018, for our third-annual TOSA Youth Tri, with swimming in TOSA Pool, biking on the Menomonee River Parkway and running along the Oak Leaf Trail and in Hoyt Park.
Thanks to all our TOSA Youth Tri families for participating and to the volunteers who helped make the event a success.


Swim 100 yards 200 yards
Bike 2 miles 4 miles
Run 0.62 mile 1.25 miles

Swimming: TOSA Pool at Hoyt Park’s outdoor 25-yard pool

Biking: Menomonee River Parkway, which will be closed to traffic

Running: Oak Leaf Trail and surrounding Hoyt Park lot. The course is subject to change at the discretion of the race director due to weather.


  • Every child must have a parent or guardian over the age of 21 at the event.
  • Bike helmets are required during the biking portion.
  • Race will be held rain or shine, but thunder, lightning or heavy rain could cancel the event. There are no refunds.
  • The TOSA Youth Tri is USA Triathlon sanctioned. All USA Triathlon rules apply.

Contact Information

Kit Slawski
Phone: 414-302-9160

Additional Links

Maps and Directions to TOSA Pool
USA Triathlon


Be a TOSA Youth Tri Sponsor!

Would you like to help kids try a tri? Would you like your logo to be seen by hundreds of parents of youth and tweens? Become a sponsor of the TOSA Youth Tri! We accept donations of all sizes, but all donors of $250 or more will have their logo on this website and on banners on race day. All donors of $500 or more will have their logo printed on the back of our competitor t-shirt. Donations must be received by Friday, Aug. 2, to be included on apparel. Proceeds from the TOSA Youth Tri benefit Friends of Hoyt Park & Pool, a 501(c)(3) organization. Donations are tax deductible to the extent allowable by law.

Our timing for 2019 is sponsored by:

A special thank you to our 2018 sponsors:

Tosa Pediatrics   Swan   peak performance