About This Race
The Arctic Frog Run presents itself as a beginner-friendly ultramarathon, but organizers are quick to caution runners not to underestimate this December challenge in Mayville, Wisconsin. What makes this race distinctive is its potential transformation into a winter wonderland, offering runners a unique cold-weather running experience in the rolling terrain of southeastern Wisconsin. The course provides panoramic views of Mayville while testing runners across multiple distance options from 15K to 50 miles. The loop-based format allows for strategic pacing and crew support, while the mixed surface of asphalt and crushed limestone provides varied footing throughout the race. With eleven years of results history, this event has established itself as a reliable winter option for runners seeking to extend their season or tackle their first ultra in more forgiving terrain. The race's emphasis on being accessible to newcomers, combined with the challenge of potential winter conditions, creates an interesting balance for the trail running community.
The Arctic Frog Run utilizes a loop-based course that's approximately 70% asphalt and 30% crushed limestone trail. All distances share the same basic loop structure, with the 15K covering 2 loops of 4.65 miles each, while the longer distances use 6 or 10 loops of a 5.17-mile circuit. The course offers scenic panoramic views of Mayville and features rolling terrain with moderate elevation gains.
The mixed surface provides variety underfoot, transitioning between paved sections and crushed limestone trail segments. The loop format allows runners and crews to plan strategically, with multiple opportunities for support and pacing adjustments. An interactive course map is available through the race website, showing the yellow-marked route direction.
Practical Info
December conditions in Wisconsin typically range from cold to potentially snowy, with temperatures likely below freezing and possible winter precipitation.
MKE - Milwaukee Mitchell International Airport
Mayville is a small Wisconsin city with limited lodging options. Milwaukee, about 45 miles southeast, offers more accommodation choices.
Best For
Notable Features
The Arctic Frog Run's defining characteristic is its December timing, which often transforms the southeastern Wisconsin landscape into what organizers call a 'winter wonderland.' The loop-based format creates a supportive environment for runners attempting their first ultra, while the mixed terrain of asphalt and crushed limestone provides enough variety to keep longer distances engaging. The race's eleven-year history demonstrates its reliability as a winter running option.