Oisín O'Callaghan Returns to Trek | Sleeper Collective Mini-Doc

When Oisín O'Callaghan was in primary school, he wrote that he wanted to be a world champion mountain biker. Not a footballer. Not an astronaut. A world champion mountain biker. Now the Irish downhill racer is back with Trek-Unbroken DH, turning heads on the World Cup circuit and making that childhood prediction look less like a dream and more like a plan.

The new video from Sleeper Collective drops you right into the green, foggy hills of County Limerick, where O'Callaghan grew up riding the Ballyhoura trail system. It's the kind of place that looks deceptively mellow until you realize the rider threading through the tight, rooty singletrack at mach speed is one of the most serious young talents on the World Cup circuit.

After a stint with YT Industries, Oisín is back aboard Trek with the Trek-Unbroken DH squad, and the vibe in this piece feels like a man who knows exactly where he stands and where he's going. There's no manufactured hype, no overwrought narration. Just a guy talking honestly about ambition and letting the riding do the heavy lifting — which, for the record, it does.

What Sleeper Collective captures beautifully is that contrast between the kid who dared to put his dreams on paper and the elite athlete who is quietly, methodically building toward making them real. The trails of Ballyhoura and Djouce aren't Val di Sole or Fort William — they're something more personal than that. They're the place that built him.