ATB (Aravali Trail Blazers) proudly presents its 13th edition of Trail-A-Thon on 1st March 2026. Trail-A-Thon is now an ITRA-certified event and is a challenging Ultra Trail Running event being organized in the good, scenic, and easy trail of Aravali Range, Gurgaon in the vicinity of Delhi & Faridabad, for the new runner who is keen to explore the trail. The trail from Dome , Gurgaon connecting to Damdama Lake at another end. ITRA will soon assign points, after verifying the submitted route.