Lahahul and Spiti, March 23 -- More than 250 people are going to participate in the fourth edition of the Lahaul Snow Marathon, which kickstarted on Sunday, and raised awareness for the ecological damage which has happened around the Sissu valley of Himachal Pradesh.

The marathon, touted as the "world's highest" will have four categories: 42 kms, 21 kms, 10 kms, and 5 kms.

"This is the world's highest marathon, and we are organising its fouth edition today. This event will have four categories. First is 42 kilometres, half marathon is 21 kilometres, then 10 and 5 kilometres," the organiser Rajiv Kumar told ANI.

Talking about the aim of the marathon, the organiser underlined how the coverage has helped raise awareness about the ecology....