The Best and The Worst

The Best:

• Alan Turing: 2:46:03 (1947 Leicestershire Amateur Athletic Championships Marathon)
• Nell McAndrew: 2:54:39 (2012 London Marathon)
• Dana Carvey: 3:04:21 (1972 Ocean to Bay Marathon)
• Mike Malinin: 3:23:56 (2000 Chronicle Marathon)
• William Baldwin: 3:24:29 (1992 New York City Marathon)

The Worst:

• Sean Combs: 4:14:54 (2003 New York City Marathon)
• Oprah Winfrey: 4:29:20 (1994 Marine Corps Marathon)
• Lisa Ling: 4:34:18 (2002 Boston Marathon)
• David James Elliot: 4:57:23 (2000 Boston Marathon) 
• Valerie Bertinelli: 5:14:37 (2010 Boston Marathon) 
• Katie Holmes: 5:29:58 (2007 New York City Marathon)
• Mario Lopez & Ali Landry: 5:41:41 (2002 Boston Marathon)
• Freddie Prinze Jr.: 5:50:49 (2006 Los Angeles Marathon)
• David Lee Roth: 6:04:43 (1987 New York City Marathon)
• Al Roker: 7:09:00 (2010 New York City Marathon) 

*** the green highlights denote celebrities who ran in the Boston Marathon without qualifying