Running 100 miles is a challenge like no other, and the GSER 100 Mile offers the ultimate test of your mind, body, and spirit. Set in Victoria’s breathtaking High Country, this epic journey takes you through rugged alpine terrain, ancient snow gum forests, and pristine river valleys, past cascading waterfalls and historic huts, and across iconic mountain peaks. Scenic, challenging, and well-supported, the GSER 100 Mile is the premier 100-mile race in Australia—a true bucket-list experience for any trail runner.

GSER100 Details:

  • ENTRY FEE's: See entry fee section below
  • DISTANCE: 171.7km's (100 miles) with 7465m elevation gain
  • START TIME: 6:00 am 21st of November - RACE HQ - Hotham Central
  • TOTAL CUT OFF: 48 hours
  • COMPULSORY GEAR CHECK - EMAILED IN or FRIDAY 2PM UNTIL 1 hr before RACE START
  • COMPULSORY PRE RACE UPDATE ON ANY CHANGES: 5:30 am, 21st of November - RACE HQ - Hotham Central
  • RACE BRIEFING: Online viewing from the Monday the week of GSER 2025.

COURSE DESCRIPTION:

From alpine meadows and snow gum forests to rugged ridgelines and historic high-country huts, the GSER 100-mile course showcases the breathtaking beauty of Victoria’s iconic High Country. With crystal-clear creeks, rolling pastures, and some of Australia’s most dramatic mountain peaks, this is the ultimate ultra-trail running experience.

Starting from the heart of Mt Hotham, runners will set off to the cheers of the crowd, embarking on an epic journey across the Victorian Alps.

The course weaves through the majestic Dargo High Plains, the Bogong High Plains, and the iconic Razorback Ridge. Along the way, runners will traverse challenging climbs, descend into lush valleys, and pass through landmarks such as the Cobungra River, Mount Feathertop, and Federation Hut.

As the adventure unfolds, runners will encounter breathtaking views of the high-country wilderness, with every summit and descent testing their resolve. The journey culminates in a triumphant finish at Mt Hotham, where the sense of accomplishment and camaraderie await.

Spanning 100 miles of rugged, scenic, and truly unforgettable trails, the GSER is designed for those who crave the ultimate challenge amidst the raw beauty of Australia’s alpine wilderness. This is ultra-trail running at its finest.

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