#SingletrackSummerCamp at the Trans-Sylvania Epic

Rolling into town May 25-29, 2017.



May 25-29, 2017. Be here.


#IIGOmtb. How about U?

MASS Kick Off. IIGOmtb Kicks Ass.


Dirty Dirty Weekend

A fun-filled farm weekend. NightTT, XC, IIGOX Relay


Rattling MTB

Perfect PA MTB Riding Awaits. MASS Endurance Race #1.


Mountain Bike Races and Events from The Outdoor Experience Organization!


Our Races

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Featured News

PA Bucks For Bikes

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The PA state critter is the majestic whitetail deer. We love ’em. They taste fine. They also make nice coat racks, if you can get them to part with coat rack bit. Well, we may give them a pass now and let them keep their…

Iron Cross Race, ultra cross at its finest, all roads and some dirt!

Iron Cross 2016

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Iron Cross 2016; All-roads and some trail, right here. Oct 7-9, Dirt, Pavement, Gravel, Singletrack – all roads lead to Williamsport for the fourteenth edition of the North America’s Original Ultra-Cross style event, the Iron Cross Race! The Best Iron Cross Weekend Yet! The move…

It’s about to get Dirty Dirty!

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MASS returns to “the Farm!” Aug 26-28 brings a weekend of off-road fun back to the Oesterling Farm in Marysville, PA. After almost a decade away we’re excited to re-open the account with the MASS XC and Endurance Finals. As part of the Dirty Dirty Weekend,…

Michael Wissell (Team Cuppow)

Werner and Armstrong win NoTubes Trans-Sylvania Epic titles

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TRANS-SYLVANIA, PA (June 3, 2016) – The final stage of the NoTubes Trans-Sylvania Epic brought thrills and spills on a tough, rocky course made more difficult with a downpour in the middle of the day. Battles for the overall general classification (GC) wins didn’t go…

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