The run begins at 2:49 of video.

In-Game Time detailed:

Resort Island - 01:08:10 Metal Sonic - 00:51:33 Radical City - 01:42.26 Tails Doll - 01:18.90 Regal Ruin - 01:22.06 Egg Robo - 01:01.66 Reactive Factory - 01:51.66 Metal Knuckles - 01:19.43 Radiant Emerald - 01:57.03

Total In-Game Time: 12:32.430 ms