Ultra Calendars

UltraRunning Magazine Calendar
Scott Weber's 2004 Ultrarunning Race Calendar
Ultrarunner.net - Schedules and info on ultras throughout the U.S.
Stan Jensen's Home Page - Information for Northern California Ultras as well as all US 100 milers.
Pacific Trail Runs - San Francisco Bay Area
Southern California Ultrarunners Grand Prix Series - 2004
San Diego Ultra Running Friends
Northwest Ultras - OR, WA, ID, MT, WY & AK
Envirosports - West Coast events
Kansas Ultrarunner's Society
Midwest Ultrarunning Calendar - Serving Indiana, Illinois, Michigan, Minnesota, Ohio, Wisconsin and Iowa
Virginia Happy Trails Running Club Calendar - VA, MD, DC Area
Runners From Hell - The Carolinas
NewEngland TrailRunners - New England trail runs of all distances
Ontario Ultra Series - Ortario, Canada
Trail Runner Magazine Calendar - trail races of all distances
Trailrunning Calendar - 2004 - US trail runs of all distances.
Dino Trail Runs (5K &15K) - Indiana
Runner's World - 2004 Marathon Calendar
Australian Ultra Runners' Association