The Longest Singing Marathon (Multiple Singers) was held during the 602nd Annamacharya Jayanthi Utsavam in Vijayawada, Andhra Pradesh, where multiple singers performed continuously for 101 hours, 5 minutes, and 1 second. This marathon featured devotional songs called Sankeerthanas composed by the saint-poet Annamacharya, celebrating his spiritual legacy. The event brought together numerous artists who took turns to keep the singing unbroken, creating a remarkable display of devotion and endurance that earned recognition as one of the longest continuous singing marathons in the world.