Misty Elizabeth May-Treanor (/ˈtreɪnər/; née May; born July 30, 1977) is an American retired professional beach volleyball player.

She is a three-time Olympic gold medalist, and as of August 2012[update], was the most successful female beach volleyball player having won 112 tournaments in domestic and international competition.

[1] May-Treanor and teammate Kerri Walsh Jennings were gold medalists in beach volleyball at the 2004, 2008 and 2012 Summer Olympics.

"[3][4][2][5] May-Treanor retired from competitive play on August 8, 2012, after she and Walsh Jennings won gold in the 2012 Summer Olympics.

At the CIF California State Meet in 1993 she finished second in the high jump to future heptathlete, Tracye Lawyer.

[20] As the starting setter in 1998, May-Treanor led Long Beach State University to the Division I NCAA Women's Volleyball Championship with a 36–0 record.

She shared the NCAA Championship Most Outstanding Player award after setting a tournament record with 20 service aces.

She attended Concordia University in Irvine, California to earn a master's degree in coaching and athletic administration.

With three FIVB tournament wins and no finishes lower than 5th, the pair qualified for one of the two US Olympic berths, a goal McPeak was looking for when she first partnered with May.

They received "Team of the Year" honors after having an undefeated domestic season, going 39–0 in match victories with eight tournament wins.

[2] For nearly the entire period from their initial partnering in 2001, to their respective hiatuses in late 2008, May-Treanor and Walsh Jennings dominated both the AVP and FIVB beach volleyball tours.

At one point, May-Treanor and Walsh Jennings had a win streak of 112 consecutive matches and 19 straight tournaments that lasted from August 2007 to August 2008, breaking their own previous record of 89 consecutive match wins and 15 straight tournaments, set before the 2004 Summer Olympics.

Their win streak of 112 matches was broken with an upset victory by fellow 2008 Olympians Nicole Branagh and Elaine Youngs at the AVP Shootout in Cincinnati, Ohio.

[33] May-Treanor, just prior to teaming with Kerri Walsh Jennings for a third straight gold medal at the 2012 London Olympics, announced that she was retiring from beach volleyball.

[39] In the 2016–17 season, the Vikings went 16-5 and won their first conference title in 16 years, also qualifying for the state playoffs where they made it to the second round.

[44] On August 21, May-Treanor and Walsh Jennings repeated as Olympic gold medalists, defeating the first-seeded Chinese team in two games.

The streak came to an end when they lost their first set to the Schwaiger sisters from Austria; May-Treanor and Walsh Jennings went on to win the match 17–21, 21–8, 15–10.

[46] May-Treanor and Walsh Jennings defeated fellow Americans April Ross and Jennifer Kessy in the final to claim the gold medal (21–16, 21–16).

[53][54] In her 2010 memoir, May-Treanor revealed she had been sexually assaulted while in college, pressed charges against her assailant, and testified at the trial.

[55] May-Treanor has made numerous minor television appearances, including Dancing with the Stars, episodes of CSI: Miami, Wizards of Waverly Place, and the Late Show with David Letterman.