2025 Events

Capturing the best trails within the Victorian High Country.

GSER is a true celebration of trail running, camaraderie, and adventure, designed to challenge runners with the ultimate test of endurance while showcasing the breathtaking beauty of Victoria’s High Country. With outstanding support crew access, unique spectator vantage points, and an electric trail running atmosphere, this event is not to be missed. Entries are limited at each start line, so secure yours now—don’t let FOMO take over!

GSER 14km has been designed as an introduction to mountain running with the course tackling the Hotham Huts loop trail that provides very rewarding views.

There is no doubt that this will take true grit and determination to finish, but the views alone is worth the adventure plus the cheers from your trail crew will be awaiting your arrival at the finish line!

GSER 28km is a step up to pure mountain running with the course tackling some very sweet trails and including steep climbs with very rewarding views.

There is no doubt that this will take true grit and determination to finish, but with your trail crew waiting at the finish line, you’ll make it happen! 

GSER 56 km provides all runners an epic day out on the trails. Our course showcases the iconic high country trails of Bon Accord track, Bungalow Spur, Mt Feathertop, the Razorback, Mt Hotham and the Mt Hotham Huts walk trail, before finishing at the Alpine Gateway.

If you’ve completed a coastal 56 km, your next challenge is a High country 56 km – we know which one is more rewarding and think you’ll love what we have in store for you!

The 50miler event has been designed to allow runners who have conquered a 56k or 60km trail running event to take that next step, with the desire of conquering the mountains.  

The course tackles trails that are predominantly single track and include the historical Australian Alps Walking Trail for many parts. The grit and determination it takes participants to finish will be nothing short of extraordinary. The experience along the way – is priceless.

GSER 100-Mile in 2025 is crafted for runners ready to elevate their trail-running journey beyond the 50-mile or 100-kilometer mark, embracing the challenge of rugged terrain and the breathtaking grandeur of the mountains.

This extraordinary course weaves through predominantly single-trail, with extensive sections along the legendary Australian Alps Walking Track. Completing this journey demands immense grit and determination, rewarding participants with a profound sense of achievement.

But the finish line is only part of the story—the memories and experiences gained along the way are truly unforgettable.

Introduction to the Ultra Endurance Team

The team behind the scenes of GSER 2025 is a family-driven crew made up of past competitors, trail lovers, and passionate community builders.

Matt Veenstra – Event Director: A devoted trail runner who not only loves the mountains but also thrives on giving back to the trail running community. Whether it’s organizing, supporting, or cheering from the sidelines, he’s all in.

Megan Burns – Race Director: Known as the Happy Trail Runr for good reason—her energy is contagious both on and off the trails. Skilled behind the camera and just as natural in front of it, she brings creativity, heart, and dedication to every aspect of GSER.

Together, alongside their three adventurous daughters, Matt and Megan pour their love for the sport into making GSER an unforgettable experience for all. From marking courses to welcoming finishers, their family is hands-on in ensuring the event embodies the true spirit of trail running.

GSER 2025 RACE HQ

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