Helios 20 Hour Ultra
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Helios 20 Hour Ultra
The Helios 20 Hour Ultra takes place in Eagle, Wisconsin on October 10-11, 2026. It is part of a multi-format event that includes 6, 12, and 20-hour timed options, each available for solo runners or relay teams of up to four people.
The event is held in the Southern Kettle Moraine Forest at the McMiller Trail system. Participants choose from three trail loops of varying lengths to run as many times as possible within their selected timeframe. The available loops are approximately 3, 5, and 6 miles long.
The total participation for the combined event is capped at 150 runners. Prices for the 20-hour events start at $90 for solo runners and $60 for teams, with prices increasing after February 9, 2026. Visit the organization's website for the most recent information.
