West Macs Monster

MAY

15-17

2026

The West Macs Monster is an annual trail running festival on Central Australia's iconic Larapinta Trail each May. Runners can choose from distances spanning 5km to 231km across the ancient landscape of Tjoritja National Park. The event is listed with both iTRA and UTMB.

15-17 May 2026

Alice Springs,

Website

231 kilometers 128 kilometers 65 kilometers 25 kilometers 5 kilometers

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Trail Running Festival

The Ekistica West Macs Monster is a trail running festival held on the Larapinta Trail in Tjoritja National Park, Central Australia. The event takes place annually on the third weekend in May.

Event Distances

The festival offers non-stop trail running with several distance options:

Ekistica 231km Sonder Monster (iTRA 6)
Ekistica 128km Ellery Monster (iTRA 5)
Verstand Group 65km Standley Monster (iTRA 3)
CrossFit Alice Springs / RFDS 25km Simpsons Monster
BeMe Movement Education 5km Tele-Monster

Ultra distance entrants for 2026 are required to submit a qualifying run that meets specific criteria before April 30, 2026. General entries open on October 1st each year for the following year's event.

The event acknowledges the Traditional Owners, the Western and Central Arrernte people, of the country the Larapinta Trail passes through. It is listed with iTRA and UTMB. Visit the organization's website for the most recent information.

231 km

231km Sonder Monster

128 km

128km Ellery Monster

65 km

65km Standley Monster

25 km

25km Simpsons Monster (crossfit Alice Springs)

25 km

25km Simpsons Monster (rfds)

5 km

5km Tele-Monster