Great Southern Endurance Run
Trail Running covering 28 km to 161 km with up to 10,580 m D+ in Harrietville (Victoria, Australia)
Great Southern Endurance Run is an endurance sporting event in Harrietville, Victoria, AU focused on Trail Running. First held in 2014, the event is an established fixture on the endurance calendar. It is part of UTMB Index Races. Key features include Nature & Off-Road, Mountain, High Altitude, Seaside & Coast.
The race program comprises 4 competitions, including GSER 100 Mile (161 km, +10,580 m D+), GSER 50 Mile (83 km, +5,380 m D+), 58 KM (56 km, +2,128 m D+), and GSER 28 Km (28 km, +1,800 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 (gserultra.com.au).

Event characteristics
Races & distances (4)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| GSER 100 Mile | Trail Running | 161 km | +10,580 m | 8 m - 6,885 m | Point-to-point course | Route & profile |
| GSER 50 Mile | Trail Running | 83 km | +5,380 m | 11 m - 3,508 m | Point-to-point course | Route & profile |
| 58 KM | Trail Running | 56 km | +2,128 m | 14 m - 1,397 m | Point-to-point course | Route & profile |
| GSER 28 Km | Trail Running | 28 km | +1,800 m | 17 m - 1,187 m | Point-to-point course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 8 m to 6,885 m above sea level (+10,580 m D+, -8,993 m D-)
Elevation profile & course telemetry
Altitude from 11 m to 3,508 m above sea level (+5,380 m D+, -4,573 m D-)
Elevation profile & course telemetry
Altitude from 14 m to 1,397 m above sea level (+2,128 m D+, -1,809 m D-)
Elevation profile & course telemetry
Altitude from 17 m to 1,187 m above sea level (+1,800 m D+, -1,530 m D-)
Frequently asked questions (FAQ)
When and where does Great Southern Endurance Run take place?
Great Southern Endurance Run takes place in Harrietville, Victoria, AU (start area at coordinates 36.8886° S, 147.0645° 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 Great Southern Endurance Run?
The race program comprises 4 competitions, including GSER 100 Mile (161 km, +10,580 m D+), GSER 50 Mile (83 km, +5,380 m D+), 58 KM (56 km, +2,128 m D+), and GSER 28 Km (28 km, +1,800 m D+). The competitions belong to Trail Running.
What is the course layout and elevation profile for Great Southern Endurance Run?
The main competition (GSER 100 Mile over 161 km) is designed as a point-to-point course featuring +10,580 m of elevation gain and -8,993 m of elevation loss, ranging between 8 m and 6,885 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 Great Southern Endurance Run?
Official race regulations, course details, and registration information are provided on the organizer's website (gserultra.com.au).