The Wrath of Krampus
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The Wrath of Krampus: Last Person Standing
The Wrath of Krampus is a Last Person Standing backyard ultra held at El Dorado Ranch Park in Yucaipa, CA, organized by Yucaipa Adventure Company. Runners complete a measured 4.167-mile loop each hour; the event continues until only one runner finishes a final loop that no other runner completes.
Race-day operations include a designated crew setup field, packet pickup, a staffed aid station beside the grass field, and restroom facilities in a nearby building. Parking is available in the designated lot and along approved sections of the park road; participants are expected to follow race signage and volunteer directions. All runners must check in before starting and attend the mandatory pre-race briefing.
Participants may bring personal nutrition, hydration, chairs, warm clothing, headlamps with spare batteries, trail running shoes, medication, and other personal equipment. Canopy permissions, aid-station offerings, and any additional mandatory gear will be confirmed before the event. Crew assistance is allowed between loops in designated areas and is subject to final event rules.
Event traditions include a night-time Witching Hour challenge, where the first runner to complete that hour earns a free entry to the next year, and a DNF Christmas Tree where runners hang their bib when their race ends. Limited camping spots are available near the venue. Visit the organization's website for the most recent information.
