Times of levels taken from chapter select:

Rupture Farms - 03:04 Stockyards Escape - 03:41 Monsaic Lines - 03:18 Paramonia - 05:56 Paramonian Temple - 10:44 Paramonian Nests - 01:07 Scrabania - 08:03 Scrabanian Temple - 10:32 Scrabanian Nests - 01:10 Free Fire Zone - 02:15 Zulag 1 - 01:45 Zulag 2 - 04:21 Zulag 3 - 04:17 Zulag 4 - 04:38 The Boardroom - 01:44

Calculated together to 01:06:35