The 2010 USA Cycling Masters National Championships came to a close on Sunday with the final criteriums in downtwon Jeffersonville, Ind. Eleven new national champions rode off with Stars-and-Stripes jerseys after another hot, action-packed day of racing.

USADA announced today that cycling athlete Kenny Williams of Kenmore, Washington has committed a violation by competing during his two-year period of ineligibility received for a 2009 doping offense and has accepted an extension of his ineligibility period for the violation.

Coryn Rivera earned her first world championship medal, winning the bronze in the womenandrsquo;s road race at the UCI Junior World Championships Sunday in Italy. The medal is the second of these world championships for the young Americans after Lawson Craddock earned the bronze in the menandrsquo;s time trial on Friday. Craddock led the U.S. junior men, who were awarded the trophy as the overall top-ranked country in the season-long Junior Nationsandrsquo; Cup, in the road race with a 14th place finish.

Eight masters cyclists rode into Stars-and-Stripes jerseys on the penultimate day of the 2010 USA Cycling Masters Road National Championships as criterium racing got underway on a riverfront, four-corner crit course in historic downtown Jeffersonville, Ind.

Andy Lakatosh (Trexlertown, Penn.) and Giddeon Massie (Cypress, Calif.) teamed up to win the 2010 USA Cycling Tandem Track Sprint National Championships on Friday at the Valley Preferred Cycling Center in Trexlertown, Pennsylvania.

Three more national champions were crowned in Louisville on a beautiful Friday as the road racing portion of the 2010 USA Cycling Masters Road National Championships wrapped up in Cherokee Park. Riding into Stars-and-Stripes jerseys were Michael Olhesier, Roger Aspholm, and Cale Reeder.

Lawson Craddock (Houston, Texas/Hot Tubes) reached the podium of the UCI Junior Road World Championships for the second year in a row, finishing third in Offida, Italy, on Friday in the time trial. On the women's side, Coryn Rivera (Tustin, Calif./Peanut Butter andamp; Co TWENTY 12) finished 10th.

After Wednesday became the hottest day Louisville had seen in 80 years, Thursday's cooler, wetter weather was very much welcomed by competitors and spectators alike on day three of the USA Cycling Masters Road National Championships. Fourteen national titles were awarded in Cherokee Park as the women and tandem pairs took to the road race course.

In front of hundreds of spectators and cycling fans, USA Cycling CEO Steve Johnson joined Lance Armstrong and Colorado Governor Bill Ritter to announce the inaugural Quiznos Pro Challenge. The seven-day stage race will travel through Colorado in August, 2011, and attract some of the world's top cyclists.

Eight national champions were crowned in the road races on day two of the USA Cycling Masters Road National Championships as temperatures reached 101 degrees in Louisville's Cherokee Park. Wednesday featured racing in the men's 30-34, 50-54, 55-59, 60-64, 65-69, 70-74, 75-79, and 80+ categories.

Check out USA Cycling's August Communiquandeacute; and find out what you can do to help protect your favorite cycling routes from rumble strips. Also learn how to vote in the USA Cycling election and register for upcoming national championship events. Get the latest on what's available in USA Cycling's mall - including a new 2010 Masters World Championship jersey. You can also learn about two job opportunities available at USA Cycling, as well as where to watch the Vuelta online and how to take advantage of some great USA Cycling member benefits.

The 2010 USA Cycling Masters Road National Championships got underway on Tuesday with national titles awarded in the race against the clock. Racers in every age group traveled to Taylorsville to test their speed on a rolling, out-and-back time trial course.

USA Cycling continued its 2010 Pro Mountain Bike Gravity Tour (Pro GRT) last weekend with the Crankworx Colorado event at Trestle Bike Park in Winterpark, Colo., the penultimate race in the 2010 series. Jill Kintner came away with the win in the women's downhill to increase her overall lead while Waylon Smith used his victory to move into the Pro GRT's top five. The nation's premier gravity mountain bike series will wrap-up Sept. 10-12 at Whiteface Mountain Bike Park in Lake Placid, N.Y.

Luis Amaran of Cuba continues to lead the men's individual standings in the 2010 USA Cycling National Racing Calendar following his eighth-place finish in the Alexian Brothers Tour of Elk Grove. Jonathan Cantwell of Australia won the race in Illinois, earning the largest payout of any three-day men's stage race in the world. The NRC continues Saturday with men's and women's races in Charlotte, N.C.

USA Cycling's Development Program schedule was packed with action the final week of July. Highlighted by a pair of BMX World Championship medals, the week contained U23 and junior road racing in France and Italy, top-level mountain bike racing experience in northern Italy and the final pair of USA Cycling Development Camps here at home.

Katie Compton finished fourth in the elite women's cross country competition at the latest UCI Mountain Bike World Cup event in Val di Sole, Italy. Compton was one of five riders in the top 20 from the United States, the top-ranked country in the world in women's mountain biking. The World Cup concludes on American soil Aug. 28-29 in Windham, N.Y.

The UCI BMX World Championships wrapped up on Sunday with the United States grabbing six more medals, this time in the Cruiser Classes. The six medals earned the Americans the victory in the Cruiser medal count ahead of Australia and the Netherlands.

The Elite and Junior Championship Class competitions are the highlight of the UCI BMX World Championships and for what may have been the first time for the Americans, on Saturday it was all about the ladies. Nineteen-year-old Alise Post earned the bronze medal in the elite womenandrsquo;s contest and Brooke Crain just missed the junior womenandrsquo;s world title finishing second.

Four more medals will be coming home to the United States after day two of the UCI BMX World championships in South Africa. Fifteen-year-old Felicia Stancil dominated her Challenge Class division to earn a world title as did Nathan Padilla in the 16-year-old boys division. With amateur class competitions complete, attention will now turn to the junior and elite superstars as they compete for the title of world champion on Saturday.

Now through August 15, USA Cycling members can cast their ballot in the 2010 USA Cycling election. All members are encouraged to participate in electing representatives to the various Boards of Trustees that comprise the political structure of USA Cycling.