Race Information

July 13, 2019


Known as one of the most scenic places in Langlade County, Jack Lake will again be host to a day of racing, eating, drinking and music to support the Antigo Swim Club!  The MK Triathlon & Splash-n-Dash will be held at Veterans Memorial Park, just north of Antigo, WI.  Jack Lake is known for its crystal-clear water and the surrounding area for its miles of challenging trails that wind through pristine forest. The weekend’s events include an offroad triathlon, a swim/run duathlon and kids race. Competitors can compete in either the solo or team divisions. 

The original Splash-n-Dash was created by Michelle Koss who was tragically killed in a bicycling accident in 2016. Her desire was to see the Splash-n-Dash become the sole fundraiser for the Antigo Swim Club, to encourage heart-healthy activities and to bring the community together in a fun atmosphere. The Splash-n-Dash has matured over the years in pursuit of these goals and we would love to have you join us as we strive to create a fun environment for your friends and family. This year we've added an offroad triathlon to the mix in hopes of drawing more athletes to enjoy this great race. Our goal is to one day draw athletes from all over and make this a premiere community event in northern Wisconsin. We are proud to be a part of this tradition and we hope that you will join with us as we all pursue Michelle's vision together.

Please check us out on Facebook and share this exciting event with your friends! 

Lodging is available at hotels in Antigo or for the more adventurous, at the Jack Lake Campground, where there are modern cabins for rent, back-country campsites and well-kept drive-up sites that will appeal to every outdoor enthusiast.

LOCATION: Jack Lake/Veteran’s Memorial Park, N8375 Park Rd, Deerbrook, WI
(Camping is available on first-come/first serve basis)


TIME: Kids race starts at 8:15 AM.  Triathlon and Splash-n-Dash start at 9:00 AM.


  • 500m swim

  • 5k run  (3.1 miles)

Swim participant must be age 12 or over



  • 500m swim

  • 15k bike  (9 miles)

  • 5k run  (3.1 miles)

Swim participant must be age 12 or over

Kids Splash-n-Dash:

  • 50m swim

  • ½ mile run

Participant must be age 6-12

                                               May    June    July    Race Day

Solo racer:                                $35    $40       $45     $60  (plus $3.00 sign up fee)
Team:                                      $65    $70       $75     $90  (plus $4.20 sign up fee)


                                               May    June    July    Race Day
Solo racer:                                $50     $60      $70     $85  (plus $3.60 sign up fee)
Team:                                      $75     $95      $105    $120  (plus $5.70 sign up fee)


                                               May    June    July    Race Day

Solo only:                                 $15    $15       $15     $20  (plus $2.50 sign up fee)

ONLINE Registration ONLY (except on race day) • https://runsignup.com/Race/WI/Deerbrook/MKTriathlonandSplashDash • REGISTER EARLY for discount price!!
Registration closes Wednesday July 12th at midnight at which time fees will increase by $15 per entry.

Packet Pick-up:

  • July 12th 4:30-7:00 PM at Clara McKenna Aquatic Center;  111 Western Avenue, Antigo, WI 54409

  • July 13th 7:00-7:30 AM at Jack Lake;  N8375 Park Rd, Deerbrook, WI 54424

  • We HIGHLY recommend picking up your packet on Friday


Awards immediately following race. 

Note:  Races are non-refundable, non-transferable and cannot be deferred to another year. We do not mail shirts, goodie bags or awards. 


Shirts: The deadline to guarantee a shirt is June 30th 


Weather policy: We will be tracking the weather in the weeks and days leading up to the race. Please keep in mind that this event has a no refund policy and this includes if the race is cancelled due to an “act of God”.


Contact:  mktriathlonWI@gmail.com

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111 Western Avenue, Antigo, WI 54409