Race Details ALTAR 50K, 100K & 100K relay
Date: Saturday, April 25, 2026
Location: Beyond the Trees, Avondale Forest Park, Co. Wicklow, Ireland
EVENT OVERVIEW:
ALTAR is an endurance challenge set on the scenic trails of Avondale Forest Park. Whether you’re attempting your first ultra, going deep into the pain cave with 100KM, or sharing the journey as a relay team, this is your chance to go to the ALTAR. This is the second year of this event after a highly successful inaugural event.
ALTAR 50KM – Ultra-distance event with ~780m elevation gain
ALTAR 100KM – Full 100KM effort with ~1540m elevation gain
ALTAR 100KM RELAY – A team option (max 5 runners) sharing the 100KM distance. Teams are free to divide the 31 loops however they like once the full 31 loops are completed.
COURSE FORMAT
Loop Distance: 3.2KM
100KM (Solo & Relay): 31 loops
50KM: 1.6KM starter loop + 15 loops of 3.2KM
RACE PACK INCLUDES
Every participant (solo or relay) will receive:
ALTAR finisher medal
ALTAR race tee shirt
Goodie bag with endurance nutrition and event treats
Relay Team Members: Each member will receive their own tee shirt, medal, and goodie bag.
RACE DAY – SATURDAY, APRIL 25
Car Park Opens: 6:30 AM
Race Briefing: 7:40 AM at the start line
Race Start 100K & 100K Relay: 8:00 AM
Race Start 50K: 8:10 AM
AID & SUPPORT
Central Aid Station: Located at the start/finish and accessible every loop
Provided: Water, snacks, and ALTAR SPEED DUST
Bring Your Own: Drop bags for nutrition and gear – clearly labelled with your name and race number
CUT-OFF TIMES
50KM: 8-hour time limit
100KM (Solo & Relay): Must complete 16 loops within 7 hours to continue
Total Time Limit 100KM (Solo & Relay): 15 hours.
MANDATORY KIT
All runners: Waterproof and windproof jacket (does not have to be worn by runners must be on their person)
100KM solo/relay runners: Head torch with spare batteries
Recommended: Handheld bottle/flask, blister care, base layer
ON-SITE FACILITIES
Toilets on route near the car park which will be sign posted (all stocked with female sanitary products)
Café, pizzeria, and a family-friendly playground available on site
SAFETY & MEDICAL
Two full ambulance crews on site for the entire race
Sweep runner on course throughout the event
If assistance is needed, speak to a marshal or aid station volunteer
FINISH LINE INFO
Hand in your bib to receive your medal
Collect your drop bag after finishing
If you want to keep your race bib, hand it to a supporter to avoid a false lap read at the finish
ENVIRONMENTAL POLICY
This is a Leave No Trace event
No littering on the course – use bins at the aid station
PHOTOS & RESULTS
Professional photos taken throughout the race
Photos delivered via email (available for purchase)
Official results published post-event via MyRunResults.com
TICKETS
Non-refundable and non-transferable
FOLLOW FOR UPDATES
Stay informed on any final event updates, weather advisories, or announcements by following us on Instagram:
@altar_nutrition
Go to the ALTAR.
For Spectators and Families
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Playground
Keep the kids entertained while you’re crushing miles.
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Café
Perfect for a post-race tea, coffee, or snack while cheering on the racers.
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Pizzeria
Celebrate victory with a slice (or three).
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Facilities
Toilets are conveniently located throughout the park because… priorities.
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Tree Top Walk
Walk above the tree line and see the majesty of the forest park like you’ve never experienced before.