The Aranmula Uthrittathi Vallamkali or Aranmula Boat Race is the most ancient and revered boat races of Kerala.This year, the Uthrittathi Vallamkali will take place on September 15. It is held on the day of Uthrittathi asterism in the Malayalam month of Chingam and is well known for its grandeur and unique history. It takes place during the harvest festival of Onam, Kerala also hosts the VallamKali. It is a traditional boat race in Kerala that is a form of canoe racing.Every snake boat represents a village. A single snake boat can occupy 100 oarsmen.