February 1st  -  February 12th$45$55
February 13th  -  March 15th$50$60

March 16th  -  July 5th

July 6th  -  Online Reg Close$60$70

*Shirt Cutoff Deadline is Midnight July 26th

*Online Reg Closes at Midnight on Aug 3rd

Race Day/ Packet Pickup

Transition Area: 
Transition will be open Sunday, Aug 6th (Race Morning) from 6:30am-7:45am
Bike racks are labeled (8 bikes per rack), please do not take up your neighbor's space on the ground area or bike racks. 
** PLEASE make sure your area is prepared and you have cleared the transition area by 7:45 am **

click here to register online at Get Me Registered

Sunday, August 6th - 8:00am Start

Shoreline Duathlon

Packet Pickup/ Registration
Saturday, Aug 5th:
4:00pm-6:00pm at Concordia University Field House (MAP)
Sunday, Aug 6th: Race Morning
6:30am-7:30am at Concordia University Field House (MAP)​

Lake Country Duathlon

October, 15th

A portion of every registration goes to Team Marissa, a non-profit founded to honor the amazing life of Marissa Lieblang who lost her battle with cancer at the age of five. The purpose of Team Marissa is to not only raise awareness and funds for childhood cancer research but to help those families who are currently affected by this horrible disease. 

Wisconsin Duathlon Series

Sign up for ONE or sign up for the GRAND SLAM!

Timing: Provided by Eclipse Timing, Inc.
*You MUST start in your correct wave and place timing bib in front of your body when crossing timing systems!*
Individual Participants
; you MUST wear your  bib number with timing tag attached, in front of your body.
RELAY participants; you must wear your teams designated bib with timing tag attached, in front of your body. The bib must be switched between the runner and biker in the transition area. Race belts to attached the bib are available to borrow during the event but must be returned after. 

Concordia University
​12800 N. Lake Shore Dr.
Mequon, WI 53097


Located at the Concordia University at the designated spots.

Please do not park on the run/bike course. A parking map can be found at the bottom of the page  (HERE.)

Shoreline Duathlon 

August, 6th

Pricing & Registration:

Whats Included?
- A fun, quality, safe and challenging event
- Music and entertainment!
- Free FocalShare digital photo download
- Shoreline Duathlon finisher medal
- Post race re-hydration and food
- Professional timing
- Participant Technical Short Sleeve shirt
- 500 Points for the Wisconsin DUathlon Series Championship
(You MUST Register BEFORE Midnight on Wednesday July 26th to receive an event shirt)

Your FREE Event Photos:

Download today and SHARE!!

Tag #WisconsinDuSeries #ShorelineDuathlon​

2017 Photos

2016 Photos 

2015 Photos​

2011 Photos

** Wisconsin Duathlon Series has a NO REFUND policy. No refunds will be issued for any reason, including race cancellation due to inclement weather. The Race Director holds the right to cancel or alter the event and the courses at any point for participant safety. **

Whole Series registration available.

8th annual, hosted at Concordia University.
The 8th annual Shoreline Duathlon is state renowned and THE event to DU in August including BREATHTAKING views of Lake Michigan! The pristine Shoreline Duathlon consists of a 2 mile run course (including the famous 'Zig-Zag' hill), 21 miles of smooth biking followed by the final 2 miles of running (without the 'Zig-Zag' hill)! 


Top 3 Overall Male/Female
Top 3 Male/Female each age group
19 and under, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70 and over
Top 1 each relay division (Male, Female, Coed)

Shoreline Duathlon Sponsors!

Course's**New and modified RUN courses for 2017, subject to approval**
The Shoreline Duathlon consists of a 2 mile run (including the 'Zig-Zag'), 21 mile bike and finishes with another 2 mile run (not including the 'Zig-Zag'). Both courses are on pavement. Neither run course will have an aid station available. Water will be available going into and coming out of transition.
  • Run #1: Course map is available (HERE)
  • Bike: A smooth road surface and quick 21 mile bike course. This is a well marked course with mechanical support provided. Course map is available (HERE) 
  • Run #2: Run #2 will be 2 LAPS! Course map is available (Here)

Cooney Duathlon

May, 27th