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Nakuru teacher Fenwick Malobah attempts a grueling 45-hour non-stop mathematics lesson to break the Guinness World Record and demystify the subject for students.

Armed with nothing but a whiteboard, markers, and an iron will, Nakuru teacher Fenwick Malobah has embarked on a grueling 45-hour marathon to shatter the Guinness World Record for the longest mathematics lesson.
The audacious attempt, taking place at a local institution in Nakuru City, aims to dethrone the current record of 31 hours, 42 minutes, and 54 seconds, set by a Nigerian student in April 2025. Malobah’s mission is not just about personal glory; it is a pedagogical protest against the stigma that mathematics is a "difficult" or "boring" subject. By teaching continuously for nearly two days, he intends to prove that the subject is a test of endurance and passion, not just IQ.
Physically, the challenge is immense. Guinness rules require the teacher to actively teach a classroom of students who must remain awake and engaged. Malobah is allowed only five minutes of rest for every hour completed—a razor-thin margin for food, bathroom breaks, and mental reset. Medical teams are on standby to monitor his vitals as sleep deprivation sets in.
"He has been training for months," said a colleague supporting the logistics. "He stands for eight hours a day teaching normally, then goes to the gym. This is an athletic feat as much as an academic one."
The event has galvanized the Nakuru community, with parents and local leaders streaming in to witness history. In a country where performance in STEM subjects is a perennial concern for the Ministry of Education, Malobah’s stunt serves as a powerful marketing tool for the sciences.
"If a teacher can stand for 45 hours to teach math, surely a student can sit for one hour to learn it," Malobah joked during one of his brief breaks. As the clock ticks past the 24-hour mark, the fatigue is visible, but the equations on the board remain sharp. Fenwick Malobah is teaching the lesson of his life, and the whole world is taking notes.
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