Not what you asked for but here is a list of those who have qualified with Half Marathon times:
Those with a number beside their name (starting with Trafeh) are those who's half marathon time qualified them for the race. If they don't have a number next to their name then they already qualified with either a marathon time or a faster Half time.
You may be able to find PRs of some of the more border line runners. I'd say its definitely possible for you to qualify but its not going to be easy. Might want to get in a Marathon the time is slightly softer.
1:00:00 Dathan Ritzenhein (OR) A IAAF World Half Marathon Championships 10/11/09 Birmingham ENG
49 1:00:39 Mohamed Trafeh (CA) A NYC Half-Marathon 3/21/10 New York NY USA
1:01:00 Mebrahtom Keflezighi (CA) A Rock 'n' Roll - San Jose Half Marathon 10/4/09 San Jose CA USA
1:01:25 Mebrahtom Keflezighi (CA)(2) A USA Half Marathon Championships 1/18/09 Houston TX USA
1:01:35 Dathan Ritzenhein (OR)(2) A USA Half Marathon Championships 1/18/09 Houston TX USA
1:01:52 Ryan Hall (CA) A ING Philadelphia Distance Run 9/20/09 Philadelphia PA USA
1:01:54 Antonio Vega (MN) A USA Half Marathon Championships 1/17/10 Houston TX USA
50 1:01:55 Josh Rohatinsky (OR) A NYC Half-Marathon 3/21/10 New York NY USA
51 1:02:01 Patrick Smyth (MN) A USA Half Marathon Championships 1/17/10 Houston TX USA
52 1:02:04 Brent Vaughn (CO) A USA Half Marathon Championships 1/17/10 Houston TX USA
1:02:09 Brett Gotcher (AZ) A USA Half Marathon Championships 1/18/09 Houston TX USA
53 1:02:11 Tim Nelson (OR) A USA Half Marathon Championships 1/17/10 Houston TX USA
54 1:02:21 Andrew Carlson (AZ) A USA Half Marathon Championships 1/18/09 Houston TX USA
55 1:02:26 Stephan Shay (AZ) A USA Half Marathon Championships 1/17/10 Houston TX USA
1:02:35 Ryan Hall (CA)(2) A NYC Half Marathon 8/16/09 New York NY USA
1:02:36 Brian Sell (MI) A USA Half Marathon Championships 1/18/09 Houston TX USA
1:02:40 Fasil Bizuneh (AZ) A USA Half Marathon Championships 1/18/09 Houston TX USA
1:02:42 Jorge Torres (CO) A BUPA Great North Run 9/20/09 South Shields ENG
1:02:50 Andrew Carlson (AZ)(2) A IAAF World Half Marathon Championships 10/11/09 Birmingham ENG
1:02:51 Mohamed Trafeh (CA)(2) A Intact Edmonton Half Marathon 8/16/09 Edmonton AB CAN
1:02:51 Abdihakim Abdirahman (AZ) A NYC Half Marathon 8/16/09 New York NY USA
56 1:02:53 Josh Moen (MN) A USA Half Marathon Championships 1/17/10 Houston TX USA
1:02:55 Antonio Vega (MN)(2) A USA Half Marathon Championships 1/18/09 Houston TX USA
1:02:56 Michael Morgan (MI) A Rock 'n' Roll Mardi Gras Half-Marathon 2/28/10 New Orleans LA USA
57 1:03:06 Bolota Asmerom (CA) A Rock 'n' Roll - San Jose Half Marathon 10/4/09 San Jose CA USA
58 1:03:12 Ian Dobson (CA) A USA Half Marathon Championships 1/18/09 Houston TX USA
59 1:03:18 Anthony Famiglietti (TN) A NYC Half-Marathon 3/21/10 New York NY USA
1:03:22 Nicholas Arciniaga (MI) A USA Half Marathon Championships 1/17/10 Houston TX USA
1:03:25 Justin Young (CO) A USA Half Marathon Championships 1/18/09 Houston TX USA
1:03:26 Fasil Bizuneh (AZ)(2) A Vattenfall Berliner 4/5/09 Berlin GER
60 1:03:27 Patrick Tarpy (RI) A New Bedford Half Marathon 3/15/09 New Bedford MA USA
61 1:03:27 Josh Simpson (WV) A USA Half Marathon Championships 1/17/10 Houston TX USA
1:03:31 Fernando Cabada (CO) A USA Half Marathon Championships 1/18/09 Houston TX USA
62 1:03:31 Westly Keating (TX) A Rock 'n' Roll Dallas Half-Marathon 3/14/10 Dallas TX USA
1:03:38 Jason Lehmkuhle (MN) A Mercedes Half-Marathon 2/14/10 Birmingham AL USA
1:03:44 Matt Gabrielson (MN) A USA Half Marathon Championships 1/17/10 Houston TX USA
1:03:48 Nick Arciniaga (AZ) A NYC Half-Marathon 3/21/10 New York NY USA
63 1:03:49 Max King (OR) A USA Half Marathon Championships 1/18/09 Houston TX USA
1:03:51 Luke Watson (PA) A USA Half Marathon Championships 1/18/09 Houston TX USA
64 1:03:51 Lucas Meyer (CT) A USA Half Marathon Championships 1/17/10 Houston TX USA
1:03:52 Mikhail Sayenko (WA) A USA Half Marathon Championships 1/18/09 Houston TX USA
1:03:52 Peter Gilmore (CA) A USA Half Marathon Championships 1/17/10 Houston TX USA
65 1:03:57 Joel Hamilton (CO) A USA Half Marathon Championships 1/18/09 Houston TX USA
66 1:03:59 Jeffrey Eggleston (NY) A USA Half Marathon Championships 1/18/09 Houston TX USA
1:04:00 James Carney (CO) A IAAF World Half Marathon Championships 10/11/09 Birmingham ENG
1:04:04 Josh Rohatinsky (OR)(2) A USA Half Marathon Championships 1/17/10 Houston TX USA
1:04:05 Sergio Reyes (CA) A Spirit of Columbus Half Marathon 8/30/09 Columbus OH USA
67 1:04:08 Crosby Freeman (CA) A Kaiser Permanente San Francisco Half-Marathon 2/1/09 San Francisco CA USA
1:04:08 Ryan Hall (CA)(3) A P.F. Chang's Rock 'n' Roll Arizona Half Marathon 1/17/10 Phoenix AZ USA
1:04:09 Michael Morgan (MI)(2) A USA Half Marathon Championships 1/18/09 Houston TX USA
68 1:04:14 Craig Curley (AZ) A USA Half Marathon Championships 1/17/10 Houston TX USA
69 1:04:14 Zach Hine (NY) A NYC Half-Marathon 3/21/10 New York NY USA
1:04:16 Jeffrey Eggleston (NY)(2) A BAA Half Marathon 10/11/09 Boston MA USA
70 1:04:18 Austin Baillie (CO) A USA Half Marathon Championships 1/17/10 Houston TX USA
1:04:19 Sergio Reyes (CA)(2) A USA Half Marathon Championships 1/18/09 Houston TX USA
71 1:04:20 Charlie Serrano (CA) A Rock 'n' Roll - San Jose Half Marathon 10/4/09 San Jose CA USA
1:04:20 Stephen Haas (IN) A OneAmerica Festival Mini Marathon 5/8/10 Indianapolis IN USA
72 1:04:21 Simon Sawe (NM) A Naples Daily News Half-Marathon 1/18/09 Naples FL USA
1:04:24 Nicholas Arciniaga (MI)(2) A USA Half Marathon Championships 1/18/09 Houston TX USA
1:04:32 Simon Sawe (NM)(2) A Naples Daily News Half-Marathon 1/17/10 Naples FL USA
73 1:04:35 Chris Chavez (CA) A USA Half Marathon Championships 1/17/10 Houston TX USA
74 1:04:37 Anthony Gallo (AZ) A Shamrock Half Marathon 3/22/09 Virginia Beach VA USA
75 1:04:38 Christopher Clark (PA) A USA Half Marathon Championships 1/17/10 Houston TX USA
1:04:43 Peter Gilmore (CA)(2) A Surf City USA Half-Marathon 2/1/09 Huntington Beach CA USA
1:04:43 Patrick Tarpy (RI)(2) A ING Hartford Half Marathon 10/10/09 Hartford CT USA
76 1:04:43 Nicholas Stanko (MI) A USA Half Marathon Championships 1/17/10 Houston TX USA
77 1:04:50 Justin Grunewald (MN) A USA Half Marathon Championships 1/17/10 Houston TX USA
1:04:55 Trent Briney (MI) A USA Half Marathon Championships 1/18/09 Houston TX USA
1:04:56 Fernando Cabada (CO)(2) A Rock 'n' Roll - Las Vegas Half Marathon 12/6/09 Las Vegas NV USA
1:04:56 Mike Morgan (MI)(3) A Yuengling Shamrock Half-Marathon 3/21/10 Virginia Beach VA USA