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Race Dates

2018: Saturday, April 7, 2018
2017: Saturday, April 1, 2017

Course Information

Profile: Mostly Flat
Type: Out and Back
Surface: Mostly on Trails
Certified?: Yes

Race Day Weather

Mean Temp.: 38°F (3°C)
Average High: 46°F (7°C)
Average Low: 29° F (-1°C)

Historical Weather

PR Score & Course Score

PR Score: 98.40
Course Score: 98.40

Race Size

2017: 123 Finishers
2016: 95 Finishers
2015: 106 Finishers

BQ Percentages

2018: N/A
2017: 2.4%
2016: 3.2%

Miscellaneous Information

Pace Groups?: No

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Course Description

The Trailbreaker Marathon course covers approximately 4 miles of city streets and sidewalks, 15 miles of improved trails (including the Fox River Trail & Glacial Drumlin Trail) and 7 miles of the Ice Age Trail.

Miles ten through sixteen are extremely rugged. Except for the Ice Age Trail, the trail is subject to only gentle grades.

The unique turn-around is at the top of the 40' Lapham Peak Tower.

Marathon Rankings

The Trailbreaker Marathon was the 339th largest marathon in the U.S. last year and was the 405th largest in 2016.

Last year 2.4% of finishers qualified for the Boston Marathon and 3.2% of runners qualified for Boston in 2016.

This gives the Trailbreaker Marathon the 419th highest percentage of Boston Marathon qualifiers in the U.S. last year and the 437th highest percentage in 2016.

Its Course Score of 98.40 ranks it as the 278th fastest marathon course in the U.S. and the 15th fastest course in Wisconsin.

The typical race time temperature and humidity levels are within the ideal range for optimal marathon performance. This, coupled with the Course Score, gives the Trailbreaker Marathon a PR Score of 98.40. This PR Score ranks it as the 224th fastest marathon in the U.S. and the 12th fastest in Wisconsin.

Learn more about PR Scores and Course Scores on the FAQ page.

Elevation Chart

Max Elevation: 1274 feet (388m)
Min Elevation: 795 feet (242m)


Recent Trailbreaker Marathon Reviews

5 Stars from 1 Reviews
View all Reviews

review of 2012 Trailbreaker Marathon.   

5 / 5 Stars


This is not a fast race. It is not only limited to trails for the most part, but its mid-portion contains a steep climb toward a fire tower at which you must climb 6 flights of stairs to ring a bell to mark your halfway point. But oh my gosh it is fun. The scenery is lovely, the course is very well supported, and the runners are a nice mix of hard-core and those just out to have an adventure. The lack of stress to perform inherent in this run-and-hike course make it an ideal first marathon of the year, and at this price you cannot get a better deal. Sign up!

Race Tips

Go out slow and enjoy yourself. If you must race it, wait until after you've rung the bell.

Logistical Tips (Hotels, Restaurants, Parking, Discounts, etc.)

This is close to my home in Madison, WI. But I would say it is worth travel long to.

Finish Time Equivalent

If you ran the Trailbreaker Marathon in 4:48:00, what would your time in the Boston Marathon be?

See how your race times would compare on other marathon courses using the Marathon Time Converter Tool.