Run with Roshni Foundation (RWRF) is organizing Kalimpong Ultramarathon with distances of 65km and 50km. There will be a distances of 25km and 10Km on the same date for those who would like to experience the breath-taking beauty of the route. In the last three editions, there was 90km ultramarathon, due to the lack of less number of participants, in forth edition, it is not available.