TOSA Youth Tri

The TOSA Youth Tri will be back on Saturday, August 21st, 2021

Registration is open.   The last date for registration will be August 6.

Friends of Hoyt Park & Pool’s fifth annual TOSA Youth Tri will take place on Saturday, Aug. 21, 2021.   Up to 200 competitors ages 9 to 15 will have the opportunity to show their athletic abilities in a safe and fun setting.

Participants can choose from two categories: FUN, which includes a 100-yard swim, 2-mile bike ride and a .6-mile run, or CHALLENGE, which is a 200-yard swim, a 4-mile bike ride and a 1.2-mile run. The course includes stages from TOSA Pool to the Menomonee River Parkway to the Oak Leaf Trail and through Hoyt Park.  The registration fee is $40 and includes a $10 mandatory membership to USAT, as this is a USAT sanctioned event.

To help athletes prepare for the event, the Wauwatosa Rec Department is offering training classes.  You can register for the classes online by visiting the Wauwatosa Rec Registration Page.

Reference the dates, times and class # below when you register.

7/27 – 8/5, 10:15 – 10:45am   Class # 444510-01

7/27 – 8/5, 10:45 – 11:15am  Class # 444510-02

7/27 – 8/5, 11:15 – 11:45am  Class # 444510-03

8/10 – 8/19, 10:15 – 10:45am  Class # 444510-04

8/10 – 8/19, 10:45 – 11:15am  Class # 444510-05

8/10 – 8/19, 11:15 – 11:45am  Class # 444510-06



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.


  • The athlete, the athletes’ bike helmet and a guardian must be present at the time of check-in on the day of the event – NO EXCEPTIONS.
  • 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

Be a TOSA Youth Tri Volunteer

Volunteer Registration Page

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, July 30th, 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 2021 is sponsored by:

A special thank you to our 2021 sponsors: