What Are The Fastest And Slowest Ironman 140.6 Races?

Personal records. Everybody wants them. While you may have spent this past weekend watching college basketball, my nose was in my laptop poring over results from every Ironman race put on last year. My goal was to determine exactly which were the fastest and which were the slowest, based on average finishing time. I also downloaded over a million Ironman and half-Ironman athlete statistics – such as age, transition times, and more – so this will definitely be part 1 of a multi-part blog post series.

As you can see, the difference between the fastest race and the slowest race was nearly three full hours, an enormous differential in a sport where PR attempts often come down to minutes. The difference between the slowest Ironman (Taiwan) and the fastest (Brazil) was driven by all three events: a 19 minute slower swim, a 1 hour and 7 minute slower bike, and a brutal 1 hour and 16 minute slower run time.

What was the cause of this? WeatherUnderground.com tells me that the high temperature in Penghu, Taiwan on October 1 was a record-breaking 95 degrees Fahrenheit. Surprisingly, Brazil’s Ironman reached 87 degrees on May 28 and still managed to come in quickest for the year, and Tim Don posted an incredible world-record time of 7:40:23.

Name Location Date Average Finishing Time Average Swim Average Bike Average Run Finishers
Brazil Florianopolis, Brazil 5/28/2017 11:37:23 1:10:01 5:46:31 4:24:46 2,219
Barcelona Calella, Spain 9/30/2017 11:40:45 1:15:39 5:39:57 4:31:29 2,418
Copenhagen Copenhagen, Denmark 8/20/2017 11:49:11 1:17:04 5:51:40 4:26:22 2,448
Austria Klagenfurt, Austria 7/2/2017 11:51:27 1:15:46 5:55:28 4:26:58 2,467
Emilia-Romagna Cervia, Italy 9/23/2017 11:59:50 1:10:20 5:57:20 4:34:01 2,091
Maastricht – Limburg Limburg, The Netherlands 8/6/2017 12:00:06 1:13:51 6:04:56 4:28:44 993
Sweden Kalmar, Sweden 8/19/2017 12:03:11 1:19:25 5:59:02 4:33:11 2,038
Switzerland Zurich, Switzerland 7/30/2017 12:15:11 1:16:17 6:11:31 4:38:02 1,307
Vichy Vichy, France 8/27/2017 12:18:45 1:30:17 5:51:06 4:45:30 1,222
Cozumel Cozumel, Mexico 11/26/2017 12:38:14 1:01:42 6:14:49 5:06:32 1,185
Australia Port Macquarie, Australia 5/7/2017 12:38:54 1:12:43 6:22:04 4:53:28 1,071
France Nice, France 7/23/2017 12:56:10 1:13:51 6:43:28 4:47:51 1,649
Louisville Louisville, Kentucky, USA 10/15/2017 12:58:36 1:12:39 6:31:03 4:55:18 2,271
Mont-Tremblant Mont-Tremblant, Quebec, Canada 8/20/2017 13:01:22 1:21:57 6:26:55 4:56:38 1,808
Lanzarote Lanzarote, Canary Islands, Spain 5/20/2017 13:03:55 1:13:56 6:56:27 4:35:51 1,339
Florida Panama City Beach, Florida, USA 11/4/2017 13:19:21 1:21:00 6:13:10 5:25:10 2,183
Santa Rosa Santa Rosa, California, USA 7/29/2017 13:21:32 1:25:17 6:24:03 5:10:21 1,712
Maryland Cambridge, Maryland, USA 10/7/2017 13:22:47 1:26:44 6:18:14 5:21:54 1,019
Canada Whistler, BC, Canada 7/30/2017 13:26:53 1:17:58 6:49:37 5:07:34 1,150
Lake Placid Lake Placid, New York, USA 7/23/2017 13:27:02 1:20:45 6:46:41 5:02:28 2,194
UK Bolton, England 7/16/2017 13:29:53 1:22:45 7:00:06 4:47:37 1,723
Boulder Boulder, Colorado, USA 6/11/2017 13:32:50 1:22:58 6:29:31 5:24:27 1,082
Arizona Tempe, Arizona, USA 11/19/2017 13:33:16 1:25:30 6:27:24 5:23:55 2,233
Chattanooga Chattanooga, Tennessee 9/24/2017 13:35:48 1:01:47 6:43:18 5:35:38 1,977
Wales Pembrokeshire, Wales 9/10/2017 13:38:23 1:16:45 7:15:42 4:45:43 1,626
Wisconsin Madison, Wisconsin, USA 9/10/2017 13:45:22 1:25:48 6:53:04 5:09:19 2,260
Malaysia Langkawi, Malaysia 11/11/2017 13:46:16 1:26:42 6:44:00 5:25:10 885
Taiwan Penghu, Taiwan 10/1/2017 14:21:07 1:29:31 6:53:40 5:42:30 504

* Western Australia on Dec. 3rd was not included here because swim times were not published
* 5 IRONMAN Championship races were not included in these results

Next: Fastest and slowest half-Ironman races

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