Octagon Time
Most total fight time in UFC
| Fighter | Octagon Time (hh:mm:ss) | Record (W-L-D) |
| Rafael dos Anjos | 8:43:19 | 21-15-0 |
| Max Holloway | 8:27:43 | 23-8-0 |
| Frankie Edgar | 7:57:12 | 18-11-1 |
| Jim Miller | 7:29:28 | 27-18-0 |
| Neil Magny | 7:06:27 | 23-12-0 |
| Clay Guida | 7:02:57 | 18-19-0 |
| Andrei Arlovski | 6:50:05 | 23-18-0 |
| Demian Maia | 6:49:40 | 22-11-0 |
| Jeremy Stephens | 6:44:34 | 15-19-0 |
| Angela Hill | 6:42:45 | 13-15-0 |
| Diego Sanchez | 6:37:07 | 19-13-0 |
| Edson Barboza | 6:21:47 | 18-13-0 |
| Jose Aldo | 6:19:43 | 14-9-0 |
| Sean Strickland | 6:09:16 | 16-7-0 |
| Michael Bisping | 6:05:13 | 20-9-0 |
| Alex Caceres | 6:00:46 | 16-13-0 |
| Michael Johnson | 6:00:03 | 16-15-0 |
| Jon Jones | 5:56:48 | 22-1-0 |
| Donald Cerrone | 5:56:47 | 23-14-0 |
| B.J. Penn | 5:56:17 | 12-13-2 |
| Darren Elkins | 5:50:29 | 19-11-0 |
| Dustin Poirier | 5:48:22 | 22-9-0 |
| Georges St. Pierre | 5:42:35 | 20-2-0 |
| Kamaru Usman | 5:38:57 | 16-3-0 |
| Brad Tavares | 5:37:35 | 16-10-0 |
Shortest average fight (5 UFC fights minimum)
| Fighter | Average Fight Time (m:ss) | Record (W-L-D) |
| Patrick Smith | 1:08 | 4-2-0 |
| Tom Aspinall | 2:02 | 8-1-0 |
| Drew McFedries | 2:20 | 4-5-0 |
| Terrance McKinney | 2:25 | 7-4-0 |
| Manuel Torres | 2:34 | 4-1-0 |
| James Irvin | 2:53 | 4-6-0 |
| Brian Johnston | 2:58 | 2-4-0 |
| Mark Hall | 3:03 | 4-3-0 |
| Ronda Rousey | 3:06 | 6-2-0 |
| Chris Daukaus | 3:11 | 4-4-0 |
| Cyril Asker | 3:24 | 2-3-0 |
| Todd Duffee | 3:25 | 3-2-0, 1 NC |
| Gadzhimurad Antigulov | 3:27 | 2-4-0 |
| Ottman Azaitar | 3:45 | 2-3-0 |
| Dave Beneteau | 3:48 | 3-3-0 |
| Frank Trigg | 3:55 | 2-5-0 |
| Mingyang Zhang | 3:57 | 4-1-0 |
| Isaac Villanueva | 4:11 | 1-5-0 |
| Houston Alexander | 4:12 | 2-4-0 |
| Ryan Jensen | 4:15 | 2-6-0 |
| Yoshiyuki Yoshida | 4:15 | 2-3-0 |
| Daniel Lacerda | 4:18 | 0-5-0, 1 NC |
| John Albert | 4:24 | 1-4-0 |
| Randy Costa | 4:26 | 2-4-0 |
| Khama Worthy | 4:27 | 2-3-0 |
Longest average fight (5 UFC fights minimum)
| Fighter | Average Fight Time (m:ss) | Record (W-L-D) |
| Valentina Shevchenko | 18:44 | 14-3-1 |
| Joanna Jedrzejczyk | 18:37 | 10-5-0 |
| Demetrious Johnson | 18:34 | 15-2-1 |
| Dominick Cruz | 18:20 | 7-3-0 |
| Ben Henderson | 18:01 | 11-3-0 |
| Kamaru Usman | 17:50 | 16-3-0 |
| Israel Adesanya | 17:35 | 13-5-0 |
| Leon Edwards | 17:19 | 14-4-0, 1 NC |
| Marvin Vettori | 17:17 | 9-7-1 |
| Petr Yan | 17:08 | 11-4-0 |
| Brandon Moreno | 17:08 | 11-5-2 |
| Colby Covington | 16:57 | 12-5-0 |
| Kevin Randleman | 16:39 | 4-3-0 |
| Merab Dvalishvili | 16:36 | 13-2-0 |
| Jose Aldo | 16:31 | 14-9-0 |
| Artem Lobov | 16:26 | 2-5-0 |
| Tracy Cortez | 16:26 | 6-1-0 |
| Max Holloway | 16:23 | 23-8-0 |
| Alexander Volkanovski | 16:21 | 14-3-0 |
| Valerie Letourneau | 16:18 | 3-3-0 |
| Blagoy Ivanov | 16:15 | 3-5-0 |
| Ali Bagautinov | 16:13 | 4-3-0 |
| Tarec Saffiedine | 16:05 | 2-4-0 |
| Holly Holm | 16:05 | 8-7-0, 1 NC |
| Sean Strickland | 16:03 | 16-7-0 |
Records reflect official UFC bouts only. None of the regular-season fights in the Ultimate Fighter house are included.