Altar Ultra

Endurance Challenge at Avondale Forest Park

The Altar Ultra is an endurance event held on the trail networks of Beyond the Trees, Avondale Forest Park, in County Wicklow, Ireland. The event features a loop-based format where participants navigate a 3.2 km circuit through scenic forest terrain. Runners can participate in several distance categories:

• 50 km solo: Consists of a 1.6 km starter loop followed by 15 full loops, with approximately 780 m of elevation gain.
• 100 km solo: Requires the completion of 31 loops, totaling roughly 1540 m of elevation gain.
• 100 km relay: A team option for up to five participants who share the 31-loop distance.

The event includes a central aid station at the start and finish area, accessible at the end of every loop. This station provides water, snacks, and specialized endurance nutrition. Participants may also utilize a drop-bag area for personal gear and nutrition. For safety, mandatory kit requirements include a waterproof and windproof jacket for all runners, and a head torch with spare batteries for those participating in the 100 km categories.

The venue offers various amenities for participants and spectators, including a café, pizzeria, and playground. The forest park also features a tree-top walk. Professional medical crews and a sweep runner are present on the course throughout the duration of the event. All participants receive a finisher medal, a race shirt, and a goodie bag. Official results are published after the race. Visit the organization's website for the most recent information.