The Rotary Rain Run Marathon is an annual running event organized by the Rotary Charitable Trust of Porvorim in association with the Rotary Club of Porvorim, Goa. This marathon is unique in that it is held during the monsoon season, with the goal of promoting Good Health and with Cause of Women Health & Education

The Rotary Club of Porvorim started the Rain Run Marathon in 2015, and it has since become a popular event among runners in India and around the world. The marathon is typically held on the last Sunday of July when the monsoon season is in full swing and features a range of different race distances, from 2K to a Half marathon.

One of the primary goals of the Rotary Rain Run Marathon is to raise awareness about living a healthy life.