Fastest Times
There was a total of eleven sub-3 runs by Ironwomen this season. The fastest was by Kelly Williamson at IM Texas, Kristin Moeller had two sub-3s in Brasil and Hamburg, Lisa Roberts even had three within two months.
| Rank | Name | Actual Time | Race |
| 1 | Kelly Williamson | 02:56:30 | IM Texas on 2017-04-22 |
| 2 | Daniela Ryf | 02:57:27 | IM South Africa on 2017-04-02 |
| 3 | Eva Wutti | 02:57:43 | IM Austria on 2017-07-02 |
| 4 | Lisa Roberts | 02:57:58 | Challenge Madrid on 2017-09-24 |
| 5 | Kristin Moeller | 02:58:10 | IM Hamburg on 2017-08-13 |
| 6 | Kristin Moeller | 02:58:42 | IM Brasil on 2017-05-28 |
| 7 | Lisa Roberts | 02:59:09 | IM Louisville on 2017-10-15 |
| 8 | Malindi Elmore | 02:59:10 | IM Texas on 2017-04-22 |
| 9 | Kaisa Sali | 02:59:10 | IM South Africa on 2017-04-02 |
| 10 | Lisa Roberts | 02:59:19 | IM Cozumel on 2017-11-26 |
| 11 | Jocelyn McCauley | 02:59:40 | IM New Zealand on 2017-03-04 |
Best Performances
Lisa’s run at Challenge Madrid was the best run performance in 2017 – a lot of athletes struggled on the run in Madrid, but she was able to run another sub-3.
Foto: Lisa on the run at Challenge Madrid. Credit: Challenge Madrid
Even though no woman was able to break 3 hours on the Kona marathon, there are three Kona runs in the Top 10 performances.
| Rank | Name | Normalized Time | Actual Time | Race |
| 1 | Lisa Roberts | 02:54:53 | 02:57:58 | Challenge Madrid on 2017-09-24 |
| 2 | Daniela Ryf | 02:56:40 | 03:00:02 | IM Hawaii on 2017-10-14 |
| 3 | Kaisa Sali | 02:58:09 | 03:01:33 | IM Hawaii on 2017-10-14 |
| 4 | Daniela Ryf | 02:58:57 | 02:57:27 | IM South Africa on 2017-04-02 |
| 5 | Jocelyn McCauley | 03:00:38 | 02:59:40 | IM New Zealand on 2017-03-04 |
| 6 | Kaisa Sali | 03:00:40 | 02:59:10 | IM South Africa on 2017-04-02 |
| 7 | Kelly Williamson | 03:01:32 | 02:56:30 | IM Texas on 2017-04-22 |
| 8 | Eva Wutti | 03:01:36 | 02:57:43 | IM Austria on 2017-07-02 |
| 9 | Sarah Crowley | 03:02:07 | 03:05:36 | IM Hawaii on 2017-10-14 |
| 10 | Lisa Roberts | 03:02:42 | 02:59:19 | IM Cozumel on 2017-11-26 |
2017 Ratings
With Mirinda Carfrae (the #1-ranked runner at the end of 2016) not racing this year and dropping from the rankings, Daniela is now also the best female runner. With their improved run ratings, Kaisa Sali and Lisa Roberts have been closing the gap to Daniela and are ranked second and third.
| Rank | Name | Nation | Rating | Last Race | # IM Races |
| 1 (2) | Daniela Ryf | SUI | 03:02:35 (-0:50) | IM Hawaii on 2017-10-14 | 11 |
| 2 (4) | Kaisa Sali | FIN | 03:02:59 (-1:41) | IM Arizona on 2017-11-19 | 6 |
| 3 (7) | Lisa Roberts | USA | 03:03:31 (-2:27) | IM Cozumel on 2017-11-26 | 18 |
| 4 (3) | Kristin Moeller | GER | 03:04:10 (+0:44) | IM Hamburg on 2017-08-13 | 23 |
| 5 (5) | Kelly Williamson | USA | 03:05:24 (+0:01) | IM Arizona on 2017-11-19 | 17 |
| 6 (-) | Eva Wutti | AUT | 03:05:49 (n/a) | IM Hamburg on 2017-08-13 | 8 |
| 7 (8) | Susie Cheetham | GBR | 03:06:57 (+0:32) | IM Hawaii on 2017-10-14 | 7 |
| 8 (10) | Linsey Corbin | USA | 03:08:06 (+0:39) | IM Hawaii on 2017-10-14 | 23 |
| 9 (11) | Heather Jackson | USA | 03:08:30 (+0:33) | IM Hawaii on 2017-10-14 | 8 |
| 10 (17) | Elisabeth Gruber | AUT | 03:08:48 (-1:16) | IM Italy on 2017-09-23 | 10 |