West Macs Monster
Trail Running covering 25 km to 231.7 km with up to 6,830 m D+ in Alice Springs (Northern Territory, Australia)
West Macs Monster is an endurance sporting event in Alice Springs, Northern Territory, AU focused on Trail Running. First held in 2019, the event is an established fixture on the endurance calendar. It is part of UTMB Index Races. Key features include Nature & Off-Road, Mountain, Kids & Youth Races, High Altitude.
The race program comprises 4 competitions, including 231 Km Sonder Monster (231.7 km, +6,830 m D+), 128 Km Ellery Monster (127.4 km, +3,690 m D+), 65 Km Standley Monster (65.3 km, +1,630 m D+), and Monstre des Simpson (25 km, +1,200 m D+). The exact date for the next edition is currently open and will be announced by the organizer. Official race regulations, course details, and registration information are provided on the organizer's website (westmacsmonster.com.au).

Event characteristics
Races & distances (4)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| 231 Km Sonder Monster | Trail Running | 231.7 km | +6,830 m | 1,150 m - 4,019 m | Loop course | Route & profile |
| 128 Km Ellery Monster | Trail Running | 127.4 km | +3,690 m | 1,153 m - 2,703 m | Loop course | Route & profile |
| 65 Km Standley Monster | Trail Running | 65.3 km | +1,630 m | 1,156 m - 1,841 m | Loop course | Route & profile |
| Monstre des Simpson | Trail Running | 25 km | +1,200 m | 1,159 m - 1,663 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 1,150 m to 4,019 m above sea level (+6,830 m D+, -6,830 m D-)
Elevation profile & course telemetry
Altitude from 1,153 m to 2,703 m above sea level (+3,690 m D+, -3,690 m D-)
Elevation profile & course telemetry
Altitude from 1,156 m to 1,841 m above sea level (+1,630 m D+, -1,630 m D-)
Elevation profile & course telemetry
Altitude from 1,159 m to 1,663 m above sea level (+1,200 m D+, -1,200 m D-)
Frequently asked questions (FAQ)
When and where does West Macs Monster take place?
West Macs Monster takes place in Alice Springs, Northern Territory, AU (start area at coordinates 23.698° S, 133.8807° E). The exact date for the next edition is currently open and will be announced by the organizer.
What races and distances are offered at West Macs Monster?
The race program comprises 4 competitions, including 231 Km Sonder Monster (231.7 km, +6,830 m D+), 128 Km Ellery Monster (127.4 km, +3,690 m D+), 65 Km Standley Monster (65.3 km, +1,630 m D+), and Monstre des Simpson (25 km, +1,200 m D+). The competitions belong to Trail Running.
What is the course layout and elevation profile for West Macs Monster?
The main competition (231 Km Sonder Monster over 231.7 km) is designed as a loop course featuring +6,830 m of elevation gain and -6,830 m of elevation loss, ranging between 1,150 m and 4,019 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.
Where can I find registration and official race rules for West Macs Monster?
Official race regulations, course details, and registration information are provided on the organizer's website (westmacsmonster.com.au).