At two weeks shy of 39, Meb Keflezighi was the oldest person to win the Boston Marathon in more than 80 years. We're all about health and fitness here, so check out some other feats of longevity, athletic and otherwise:

Oldest marathoner: Fauja Singh, 100, 2011 Toronto Marathon. 8:11.

Meb Keflezighi celebrates his Boston Marathon win Monday. (AP/Charles Krupa)

Oldest runner to win the Boston Marathon: Clarence DeMar, 41, 1930, 2:34:48.

Oldest male finisher at Monday's Boston Marathon: 81 (5-way tie); Best time: Harold Wilson, Tyler, Tex., 3:58:55

Oldest female finisher at Monday's Boston Marathon: Katherine Beiers, 81, Santa Cruz, Calif., 5:40:34

Oldest man to climb Mt. Everest: Yuichiro Miura, 80, May 2013.

Oldest woman to climb Mt. Everest: Tamae Watanabe, 73, May 2012.

Oldest person in space: John Glenn, 77, United States, 1998.

Oldest NFL football player: George Blanda, 48, kicker and backup quarterback, 1975, Oakland Raiders.

Oldest NFL football player exposed to physical contact: Bobby Marshall, 45, end, 1925, Duluth Kelleys.

Oldest NFL cheerleader:  Laura Vikmanis,  42, Cincinnati Bengals, 2011.

Oldest U.S. president (in office): Ronald Reagan, 77, 1989.

President Ronald Reagan delivering his State of the Union Address in 1985.

Oldest person to appear in a Major League Baseball game: Satchel Paige, 59, 1965, Kansas City A's.

Oldest person to appear in a World Cup rugby match: Diego Ormaechea, 40, 1999, Uruguay.

Oldest player to represent his country in a soccer match: Stanley Matthews, 42, 1957, England.

Oldest pediatrician: Leila Denmark, 103, Atlanta, 2001.

Oldest male Olympic gold medalist: Oscar Swahn, 64, Sweden, shooting, 1912.

Oldest female Olympic gold medalist: Lida Peyton Pollock, 63, United States, team archery, 1904.

Oldest Academy Award Winner (major categories): Jessica Tandy, 80, Best Actress, "Driving Miss Daisy," 1989.

Oldest blogger for a major U.S. newspaper: Lenny Bernstein, 56, 2014, The Washington Post (unless otherwise corrected).