Trail Resources
Southern Maryland Trail Opportunties

Utilities
Perry's Lap Calculator

Running Clubs
Annapolis Striders
Annapolis Trail Runners
DC Road Runners Club
Fredericksburg Area Running Club
Pike Creek Valley Running Club
Prince George's Running Club
Reston Runners
Runners' Club of Greater Cincinnati
Virginia Happy Trails Running Club
Washington Running Club

Biathlons and Triathlons
Bonzai Sports (local triathlon store)
Columbia Triathlon Association
L&M Computer Sports (PA, NJ, DE, MD race schedules)
Lin-Mark (mostly northeast schedules)
Patuxent River Triathlon Club
Reston Triathlon Page
Set-Up, Inc. (VA & NC race schedules)
Triathlon.org
USA Triathlon

Bicycling
Great Outdoors
Oxon Hill Bicycle and Trail Club
P.A.C.E.
Patuxent Adventure Center
Patuxent Velo Bicycle Racing Club

Race Organizations
RRCA
Maryland RRCA
USATF/PVA

Running Retail
Road Runner Sports
Runnersgear.com
Running Warehouse
Virgnina Runner
Zappos.com

Schedules, Advice, Miscellaneous Info
Active Sports Info
Disney Running
FindSportsNow.com
HalfMarathons.net
Insports
Racepacket
Track-and-Field.net
Yahoo One List

Tools/Resources
Run The Planet

Swimming
Total Immersion

Weather
Local Weather