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 Milwaukee Mile is a 1.000 mile (1.609 km)-long oval race track located on the grounds of the Wisconsin State Fair Park in West Allis, Wisconsin with grandstand and bleacher seating for approximately 45,000 spectators. It operated as a dirt track until 1953. The track was paved in 1954.