GSER

GSER 2025 is a mountain ultratrail event based at Hotham Alpine Resort in the Victorian High Country, Australia. The program offers multiple distances, from 14 km to a 100-mile ultramarathon, including a 50-mile, 50-mile relay, 56 km, 28 km, and 14 km options. Runners traverse predominantly single-track trails with long sections along the Australian Alps Walking Track, inside the Victorian Alpine National Park and around Hotham Resort.

The course climbs iconic peaks such as Mt Feathertop, Mt Hotham and Mt Loch, delivering awe-inspiring alpine scenery. The event emphasizes a welcoming, inclusive community atmosphere and on-mountain accommodation options for participants. Visit the organization's website for the most recent information.