#SingletrackSummerCamp at the Trans-Sylvania Epic

Rolling into town May 25-29, 2017.



May 25-29, 2017. Be here.


Dirty Dirty Weekend

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


#IIGOmtb. How about U?

MASS Kick Off. IIGOmtb Kicks Ass.


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

IIGOmtb and Rattling – Central PA Awaits!

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IIGOmtb and Rattling Races coming at you. Pack your bags. Throw the kids in the car. Kiss the goldfish goodbye. And get rolling to central PA for two back to back weekends of mountain bike wonderful. April 2 Brings the Somethingth Annual International Intergalactic Global…

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,…

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