Although the lactate threshold is defined as the point when lactic acid starts to accumulate, some testers approximate this by using the point at which lactate reaches a concentration of 4 mM (at rest it is around 1 mM).
The Greater Milwaukee Open was a regular golf tournament in Wisconsin on the PGA Tour. It was played annually in July in the Milwaukee suburb of Brown Deer at the Brown Deer Park Golf Course. U.S. Bancorp was the main sponsor of the tournament. The 2009 purse was $4 million with a winner's share of $720,000.
The U.S. Open will make history in its 115th edition. For the first time, the major tournament will be played in the Pacific Northwest. The pros will tee it up at Chambers Bay, a public golf course in University Place, Washington, which is on the Puget Sound southwest of Tacoma. The U.S. Open begins Thursday, June 18. Chambers Bay, which opened in June 2007, is a British-links style course. For the U.S. Open it will play at 7,585 yards over a par 72.