SANBANGSAN IMDORUN 2026

Presentation

Welcome to the SANBANGSAN IMDORUN, a celebrated event that has taken place in the stunning region of Geoje. Nestled at the foot of the magnificent Sanbangsan Mountain, this trail running event offers a breathtaking experience as athletes navigate through natural landscapes. With its distinctive combination of challenging terrain and magnificent views, the SANBANGSAN IMDORUN has earned its place in the trail running calendar, particularly among enthusiasts seeking to embrace the exhilarating start of a New Year. This event attracts runners from various backgrounds, whether they are seasoned competitors or eager newcomers, creating a vibrant atmosphere of camaraderie and shared passion.

The SANBANGSAN IMDORUN takes place at the dawn of the year, specifically on January 3, 2026. This timing resonates with the theme of new beginnings, as participants set out to embrace nature and challenge themselves along the trails of Mt. Geumgang. With an ITRA index and inclusion in various trail running calendars, this event is a must for endurance athletes looking to fuel their aspirations in the new year. From its inception, the SANBANGSAN IMDORUN has built a legacy of exciting races in the South Korean landscape.

Courses and formats

Trail Run (35.00 km)

The primary distance for the SANBANGSAN IMDORUN is 35 kilometers, featuring an elevation gain of 841 meters. The course is designed to challenge runners with a mix of steep ascents and technical descents, ensuring that participants remain engaged and focused throughout their journey. Runners will experience rocky paths, smooth single-tracks, and elevations that offer splendid views over the surrounding mountains and valleys.

Key aid stations are positioned effectively along the route, allowing participants to refuel and hydrate as necessary. While the course is packed with challenging segments, the support of volunteers and the enthusiastic cheer of the crowd will undoubtedly energize racers. The cutoff time for this distance is reasonably set to ensure safety while maintaining a competitive spirit.

Trail Run (25.00 km)

The shorter format of 25 kilometers offers a perfect alternative for those looking for a slightly less demanding challenge while still testing their endurance limits. This route shares some parts with the 35 km course, allowing runners to enjoy similar picturesque landscapes while still experiencing a significant elevation gain. The terrain remains varied, with sections of forest trails, rocky sections, and beautiful ridgelines.

Just like the 35 km route, designated aid stations are strategically placed, equipped with essential refreshments. The cutoff time for this distance ensures that all participants can complete their run safely whilst soaking in the surrounding natural beauty.

Terrain and difficulty

The terrain at the SANBANGSAN IMDORUN is classified as challenging and dynamic. Participants can expect rocky paths with sections of single-track trails winding through lush forests and steep inclines. The mixture of terrain types can test runner's technical skills, particularly during descents where attention is paramount. The event is well-suited for experienced trail runners, but those with a solid running background can also thrive.

Weather conditions in early January can vary, with temperatures potentially ranging from cool to mild, making it essential for runners to adequately prepare for changing climates. The altitude ranges from the start line to the highest point, giving participants a robust experience of the surrounding geography. Therefore, an appropriate training plan is vital, emphasizing hill repeats and technical trail runs.

History and notable results

Although the SANBANGSAN IMDORUN is fairly recent in its establishment, it has quickly gained popularity among trail running circles. Its dedicated organization and beautiful course have helped establish it as a noteworthy addition to Korea's endurance event scene. Over the years, the event has drawn competitive and passionate runners who share the common goal of starting their year with determination and spirit.

Record times for the course are yet to be established in the upcoming editions, but participation has steadily grown year after year, fostering a spirited competition. Renowned local athletes and international participants enhance the competitive environment, making it an event to watch in the trail running calendar.

Practical info for participants

• Mandatory gear: Hydration system, weather-appropriate running attire, trail running shoes, race bib visible at all times, and safety gear where applicable.
• Qualifications: Participants are recommended to have completed a trail race of at least 21 km to ensure readiness for the challenges presented.
• Cutoff times: Specific cutoff times will be communicated upon registration close to the event date.
• Drop bag logistics: Drop bags will be available at designated aid stations for both distances, allowing runners to access their supplies during the race.
• Access/accommodation: Geoje can be accessed via public transport from major cities, with various accommodation options available for all budgets in the vicinity.