Mountain Biking
- 81
- Scottish Cross Country Association
- Scottish race information, SXC series schedule, online race entry and results. Site includes a user forum.
- 82
- Shenandoah Mountain 100
- A 100 mile mountain bike race in Harrisonburg, Virginia. Includes course information, registration forms and race results.
- 83
- Tailwind Enterprises
- Promoter of USAC cross-country and time trial mountain bike races, as well as cyclo-cross races, around Michigan.
- 84
- Tennessee Bicycle Racing Association
- Helps to promote, develop and grow the sport of cycling throughout the state of Tennessee through its member clubs. Features racing events calendar, results and point series for road and mountain bike.
- 85
- Texas Mountain Bike Racing Association
- Offers racing calendar and results, flyers, forums, rules and regulations, and series point standings information.