Course Conditions
This year was a bit slower than what is normal in Henley: An adjustment of -3:48 compared to a new course rating of 1:01. Most of this is caused by a relatively slow bike of-7:04.
Male Race Results
After a disappointing season so far, Tom Lowe managed to win in Henley with a very solid time. After a typically slow swim, he posted the race’s best bike and run legs:
| Rank | Name | Nation | Swim | Bike | Run | Time | Diff to expected |
| 1 | Tom Lowe | GBR | 00:56:19 | 04:42:03 | 02:48:27 | 08:30:19 | -08:02 |
| 2 | Stephen Bayliss | GBR | 00:48:04 | 04:50:21 | 02:55:40 | 08:36:55 | -21:19 |
| 3 | Joel Jameson | GBR | 00:56:14 | 04:58:51 | 02:51:24 | 08:49:23 | -10:44 |
| 4 | Tuukka Miettinen | FIN | 00:57:00 | 05:07:40 | 03:01:10 | 09:09:22 | 05:27 |
| 5 | Rhys Davey | 00:48:06 | 04:58:14 | 03:27:14 | 09:16:03 | n/a | |
| 6 | Chris Goodfellow | GBR | 00:56:36 | 06:09:15 | 03:39:09 | 10:50:29 | 23:56 |
Female Race Results
After announcing that Challenge Henley would be her last professional IM-distance race, Bella Bayliss closed her Pro career in style by winning:
| Rank | Name | Nation | Swim | Bike | Run | Time | Diff to expected |
| 1 | Bella Bayliss | GBR | 01:00:30 | 05:18:06 | 03:18:07 | 09:41:46 | -08:49 |
| 2 | Yvette Grice | GBR | 00:57:36 | 05:51:17 | 03:12:10 | 10:05:18 | -01:55 |
| 3 | Julia Grant | NZL | 01:00:35 | 05:45:53 | 03:24:01 | 10:15:59 | 14:47 |
| 4 | Emma Richards | GBR | 01:03:44 | 06:15:00 | 03:37:26 | 11:01:21 | 13:30 |