Biking

Oregon
Oakridge
Alpine
Bunchgrass
Chucksney Mountain
Deception Butte
Flat Creek / Salmon Creek
Grasshopper Mountain
Heckletooth
Moon Point
Waldo Zone
Fuji Mountain
Maiden Peak
Brice Creek Zone
Brice Creek Trail
Crawfish
Adams Mountain
Central Oregon
Bachelor to Bend
Newberry Caldera
Smith Rock / Gray Butte
Trail 99
Cline Butte
Horse Ridge
McKenzie Bridge
King Castle
Ollalie/O'Leary/King Castle Trail Loop (an IMBA Epic)
Hood River 
Eightmile / Knebal Springs
Coast Range
Alsea Falls
Black Rock
Mary's Peak
Other Mountain Biking
The Sawtooth Struggle
Sandy Ridge
Mount Ashland
Road Biking
Crater Lake - Rim Loop
Hwy 242 (aka Old McKenzie Highway)

Washington
Southern Washington
Falls Creek
Syncline
Mount Saint Helens - Ape Canyon / Planes of Abraham

British Columbia
North Shore
Mount Fromme
Squamish
Alice in Wonderland
Garibaldi Highlands
Half Nelson / Somewhere Over There
Whistler
Comfortably Numb
Lost Lake, Cut Yer Bars, Emerald Forest, and A River Runs Through It
Kill Me Thrill Me, Train Wreck, Runnaway Train, and Trash
Top Of the World / Khyber Pass
Into The Mystic / Lord of The Squirrels
Pemberton
NIMBY/Cream Puff & Narin One Mile/Lumpy's Epic

California
Lake Tahoe
Armstrong Connector / Corral
Mr. Toad's Wild Ride
The Flume Trail
Downieville
Downieville Downhill - The classic route

Utah
Moab
Amasa Back
The Brand Trails
HyMasa / Captain Ahab
Klondike Bluffs
KlonZo Trails
Mag 7 - Top half
Porcupine Rim

Arizona
Flagstaff
AZT - Hart Prarie
Rocky Ridge/Sunset Trail/Shultz Creek Trail
Sedona
Highline
The Hogs