RTA Timing: 16:34.92

speedrun.com timing (without time bonuses): 15:52.58

Played on a US Sega Genesis using the Master Mega Converter

MSM Mod note, manual verification with Avidemux:

Timing starts when you start the game: Frame 06.516

Timing ends when you enter the final teleporter after defeating the Final Boss: Frame 16:41.850

Green Hill Zone Act 1: 30000

Green Hill Zone Act 2: 30000

Green Hill Zone Act 3: 10000

Green Hill Total: 70000

Bridge Zone Act 1: 30000

Bridge Zone Act 2: 1000

Bridge Zone Act 3: 10000

Bridge Zone Total: 41000

Jungle Zone Act 1: 10000

Jungle Zone Act 2: 10000

Jungle Zone Act 3: 10000

Jungle Zone Total: 30000

Labyrinth Zone Act 1: 10000

Labyrinth Zone Act 2: 10000

Labyrinth Zone Act 3: 10000

Labyrinth Zone Total: 30000

Scrap Brain Zone Act 1: 30000

Scrap Brain Zone Act 2: 3000

Scrap Brain Zone Act 3: 10000

Scrap Brain Zone Total: 43000

Sky Base Zone Act 1: 10000

Sky Base Zone Act 2: 30000

Sky Base Zone Total: 40000

Time Bonus Total: 254000 / 6000 = 42.333s

RTA: 16m 34s 850ms - 42s 333ms = 15m 52s 517ms