The Mongolia Sunrise to Sunset (MS2S) ultra-trail is a renowned event set in the breathtaking Hovsgol National Park, known for its stunning landscapes and challenging routes of 42km and 100km. Runners will traverse enchanting forests, wind-swept lowlands, and rugged mountain paths while skirting the shores of the majestic Lake Hovsgol, all while being supported by local Mongolian horsemen at aid stations. The elevation gain is notable, with the marathon distance featuring over 1,400 meters and the ultra run reaching around 2,120 meters, ensuring a demanding yet rewarding experience for well-prepared participants. Beyond the race itself, MS2S offers an immersive cultural journey, allowing runners to engage with the local nomadic communities, stay in traditional Mongolian Gers, and explore the stunning wilderness on horseback. As a charity event, all proceeds support environmental initiatives in Hovsgol National Park, promoting conservation efforts and preserving the unique lifestyle of the region's inhabitants. With a cut-off time of 18 hours, this ultra-trail invites those with determination and proper training to embrace both the challenge and the beauty of this natural paradise.