Race Conditions
The adjustments for IM Louisville don’t have a clear pattern: There are some fast years (like 2013 with 14:30) but also slow ones (like 2010 with -4:21). Compared to the average (new course rating of 3:28) this year was fast (adjustment of 8:04), but the heat affected the race this year, especially on the run (run adjustment of -4:39). Based on the announcements from WTC, this was the final Pro race in Louisville.
Male Race Results
Patrick Evoe led the race coming out of T2 but quickly fell back to finish in 3rd. Chris McDonald took the lead, but he was pushed right up to the finish line by Thomas Gerlach. Chris eventual won by 16 seconds over Thomas.
| Rank | Name | Nation | Swim | Bike | Run | Time | Diff to expected |
| 1 | Chris McDonald | AUS | 00:48:28 | 04:39:01 | 03:08:27 | 08:40:51 | 03:25 |
| 2 | Thomas Gerlach | USA | 00:48:30 | 04:39:16 | 03:07:40 | 08:41:07 | -12:17 |
| 3 | Patrick Evoe | USA | 00:51:39 | 04:35:36 | 03:16:59 | 08:49:27 | 01:22 |
| 4 | Mike Hermanson | USA | 00:47:39 | 04:52:02 | 03:14:45 | 09:00:27 | -42:54 |
| 5 | Michael Starkey | 00:53:24 | 04:47:10 | 03:14:41 | 09:01:10 | n/a | |
| 6 | Patrick Schuster | USA | 00:57:26 | 04:44:57 | 03:14:35 | 09:02:46 | -29:17 |
| 7 | Jason Shortis | AUS | 00:53:44 | 04:52:32 | 03:22:57 | 09:15:26 | 25:24 |
| 8 | Tom Wood | USA | 00:48:01 | 05:03:47 | 03:23:52 | 09:23:00 | -27:20 |
| 9 | Peter Kotland | USA | 00:51:53 | 05:06:53 | 03:41:08 | 09:49:20 | -05:45 |
| 10 | Brent Mcburney | USA | 00:53:21 | 05:02:07 | 04:22:47 | 10:24:13 | n/a |
| Guy Crawford | NZL | 00:46:01 | 04:37:25 | DNF | |||
| Raymond Botelho | USA | 00:48:23 | 04:44:37 | DNF | |||
| Clay Emge | USA | 00:48:34 | 04:58:37 | DNF |
Female Race Results
Kate Bevilaqua had a strong swim and bike, but had to DNF on the run. Nina Kraft took control of the race and won by 12 minutes, becoming the oldest Ironman winner at almost 46 years. Jackie Arendt finished second and got enough points for a Kona slot. Caroline Gregory had the best run of the day to get the final podium spot.
| Rank | Name | Nation | Swim | Bike | Run | Time | Diff to expected |
| 1 | Nina Kraft | GER | 00:46:51 | 05:14:41 | 03:23:30 | 09:31:19 | -05:31 |
| 2 | Jackie Arendt | USA | 00:48:09 | 05:19:06 | 03:30:03 | 09:43:25 | -02:02 |
| 3 | Caroline Gregory | USA | 00:53:19 | 05:31:29 | 03:16:55 | 09:47:02 | -33:51 |
| 4 | Molly Roohi | USA | 00:54:58 | 05:13:03 | 03:36:56 | 09:51:49 | -19:04 |
| 5 | Amy Javens | USA | 00:59:15 | 05:20:58 | 03:40:38 | 10:07:16 | -16:53 |
| 6 | Cindy Lewis | CAN | 00:53:49 | 05:28:02 | 03:43:20 | 10:11:41 | 03:09 |
| 7 | Rachel Jastrebsky | USA | 00:53:59 | 05:25:04 | 03:57:35 | 10:23:23 | 08:54 |
| Kate Bevilaqua | AUS | 00:47:39 | 05:10:10 | DNF | |||
| Heather Leiggi | USA | 00:54:02 | 05:15:09 | DNF | |||
| Shannon Florea | 00:53:52 | 05:38:55 | DNF |