Only In Mexico 15 - Longest Roller Coaster

In Mexico City, 24 volunteers attempted to break the world record for the longest roller coaster ride. The challenge, organized by a TV program, required participants to endure nausea and headaches while being regularly checked by medical teams. After 1333 laps and nearly 200 hours, a winner emerged, with most contestants withdrawing due to fatigue or illness.

What was the name of the challenge organized by a popular TV program?

What measures were taken to ensure the contestants' health during the challenge?