Aug 10, 2022 at 4:30 AM

Mongolia Sunrise to Sunset (MS2S)



Event Facebook page

Entry Fee $
(Lowest or Early Registration)

Prize Money: no


  • 100K
  • 26.2M

Type: Ultra

Participant Limit: 100

Starting Elevation: 5200

High Point: 9800

Percent of the course on un-paved trails: 85%

First Year of the Event: 1999


MS2S is more than just a spectacular ultramarathon event. Participants spend a whole week in the Mongolian wilderness. They sleep in traditional Mongolian Gers in a picturesque camp at the shores of Lake Hovsgol in the North of Mongolia, not far from the Siberian border. They get in touch with the nomadic population and explore the gorgeous area on horseback. In the days before and after the race, they can enjoy kayaking on the lake, fishing, hiking, mountain biking, daily yoga sessions or simply relax in this beautiful untouched part of the Mother Earth.

In 2019, runners from no less than 15 different countries participated. Piotr Bojka from Poland won the 100km ultra run in 14:25 hours. US-American Yekaterina Petrova was the fastest lady to overcome this challenging ultra-distance. MS2S is widely considered to be one of the most beautiful trail runs on the planet – no wonder that the racecourse will not be changed in 2020: Lakeside trails, windblown lowlands, craggy mountain passes, mossy fairy-tale forests and meadows full of wildflowers. The accumulated elevation gain/loss in the marathon distance is more than 2.200 meters, in the 100km ultra run it is 3.375 meters. Still, everybody with a strong spirit and good training can complete the race. The cut-off time – for both 42km and 100km – is 18 hours.

Run to protect the wilderness

Race director Nicolas Musy: “MS2S is more than just a race. It offers a full week in one of the world’s most pristine and untouched areas, a week of exploration and adventure – it is an eye-opening experience.” With the proceeds of the event, the organizers support charity initiatives in the National Park. “The Hovsgol Lake area is a paradise on earth. Our goal is to keep the National Park as clean as it is, and to support the inhabitants so they can continue their unique way of life – and be proud of it,” says Musy. Through the ecoLeap foundation, garbage trucks are bought, park rangers hired, eco-friendly garbage bags provided. The MS2S organizers also raise awareness about the importance of environmental protection trough TV ads and educational projects.


Race event photo
Race event photo
Race event photo


Past Event Dates

Held on Aug 10, 2022

Held on Aug 11, 2021

Held on Aug 12, 2020

Held on Aug 07, 2019

Held on Aug 01, 2018

Held on Aug 02, 2017

Held on Aug 03, 2016

Held on Aug 05, 2015

Held on Aug 06, 2014

Held on Aug 07, 2013

Held on Aug 09, 2012

Held on Aug 04, 2011

Held on Jul 17, 2010

Held on Jul 18, 2009

Held on Jul 09, 2008

Held on Jul 04, 2007

Held on Jun 28, 2006

Held on Jun 29, 2005

Held on Jun 23, 2004

Held on Jun 25, 2003

Held on Jun 26, 2002

Event Results

View 2018 Results

View 2017 Results

View 2016 Results

View 2015 Results

View 2014 Results