2020 RACE Postponed

The Ice Age Trail 50 has been happening on the same weekend in May for the last 38 years. The race is widely regarded as a “rite of Spring” for area runners and the unofficial launch of the the Wisconsin ultrarunning season. Unfortunately, that must change this year. This week, the Wisconsin Department of Natural Resources …

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Training Runs – Cancelled

We’re still waiting and watching and planning to move forward with this year’s race, but think the most prudent strategy at this time is to cancel the two training runs scheduled for Saturday, April 18 and 25. We’ll post the routes here and on the Ice Age Trail 50 website in a few weeks, should …

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2021 Deferral deadline extended

The full impact of the COVID-19 pandemic won’t be known for some time. At Ice Age, we’re watching worldwide developments closely and will rely on the guidance of health officials to ascertain the potential risks to our runners. Safety is our top priority. At this time, there are no plans to cancel or postpone the …

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Deferral deadline FEbruary 17

If you can’t run with us on May 9, email the RD today at and your entry will be pushed into 2021 at no cost.

Deferral Deadline

The deadline for runners to push their entries into 2021 at no cost is Monday, February 19.  If you know you won’t be able to run with us this year, please notify Jeff at

the 2020 Ice age trail races are sold out.

All three Ice Age Trail races are sold out. We are wait listing runners for the 50-mile event only. If you would like to be added to the list, please contact Jeff at Thanks to everyone who chose to run with us in 2020!

2020 General Registration

General registration for the 39th annual Ice Age Trail 50 opens this Sunday, December 15 @ Noon CST for the 50-mile race; 3:00 for the 50k and 6:00 p.m. for the Half Marathon. All three events are likely to sell out quickly. If you are in the process of registering at the time that your …

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2020 Early Registration

A special early registration event will be held this Saturday, December 7 from 3:00 – 5:00 p.m. CST for the following groups: • Nine time finishers of the Ice Age Trail races (in a single event or any combination of events).• Overall top 10 finishers in 2019 (50M/50k/Half).• 2019 runners finishing top three in their …

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2019 Training Runs

The first of two Ice Age Trail 50 training runs will be held on Saturday, April 20, starting at 7:30 a.m. at the Nordic trailhead (the start/finish of the IAT50). We will be flagging a 35-mile course, consisting of a Nordic blue loop and an out-and-back to Rice Lake. Everyone is welcome to the training …

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Deferral Deadline Approaching

Ice Age is pleased to offer a deferral option to runners registered for the 2019 races. If you would like to push your entry into 2020, please contact the RD ON OR BEFORE February 18. The 2020 race will be held on Saturday, May 9.  The RD can be reached at