I know he's getting to be a bit of an old man, but Jaouad Gharib proved in Bejing he can still put in a great marathon. I think with a field this deep, the finish will be a lot closer than 35 seconds.
2009 London PR's
Martin Lel KEN 2:05:15
Sammy Wanjiru KEN 2:05:24
Abderrahim Goumri MAR 2:05:30
Khalid Khannouchi USA 2:05:38
Felix Limo KEN 2:06:14
Emmanuel Mutai KEN 2:06:15
Tsegaye Kebede ETH 2:06:40
Hendrick Ramaala RSA 2:06:55
Jaouad Gharib MAR 2:07:02
Viktor Röthlin SUI 2:07:23
Yonas Kifle ERI 2:07:34
Tessema Abshiro ETH 2:08:26
Dathan Ritzenhein USA 2:11:06
Zersenay Tadese ERI Debut
Hicham Bellani MAR Debut