Tweet. While it was originally believed that maximal oxygen uptake (VO2max) was central to successful performance in endurance activities, it has been more recently discovered that lactate threshold (aka anaerobic threshold) is a better indicator of performance.
2017 US Open to be held at Erin Hills in Wisconsin. ERIN, Wis. - The United States Golf Association will hold the 2017 U.S. Open at Erin Hills, a public golf course in southeastern Wisconsin. The USGA also said today the course will host next year's U.S. Amateur Championship.
US Open of Surfing. The U.S. Open of Surfing is a week-long surfing competition held annually during the summer in Huntington Beach, California. Generally held on the south side of the Huntington Beach Pier, the U.S. Open is part of the qualification process for the World Surf League and is a WSL QS 10,000 event. It is the largest surfing competition in the world. It has been owned by IMG since 2000.