Long-boat Racing is one of the traditional rites which marks the end of the Buddhist Rains Retreat. It mainly takes place in the 11th or 12th lunar months (around September or October). When the water level is at its highest. At this time, racing is held almost nationwide, notably in Phichit, Phitsanuloke, Nan, Angthong, Pathumthani, Surat Thani and Ayutthaya etc.