Lake Toba will host the Trail of the Kings (Lake Toba by UTMB), the first-ever UTMB World Series event in Indonesia. The event brings the prestige of Ultra-Trail du Mont-Blanc — the world’s most renowned trail running competition — to Samosir Island. UTMB has chosen Samosir as one of 54 global hosts and the only location in Indonesia on the 2025 calendar. The event will take place on October 17–19, 2025.

This event will involve around 1,081 runners, including 128 international athletes and 953 local participants from 20 provinces across Indonesia, representing a total of 26 countries.

Excitement Throughout the Main Event Days

The UTMB Lake Toba event will run for three days, combining trail running with MSME exhibitions and cultural performances. Below is a summary of each day’s highlights:

October 17: Opening and MSME Exhibition

Waterfront City Pangururan

• National Awareness Day Ceremony and the Celebration of Ulos as Indonesia’s intangible cultural heritage (08.00–10.00 WIB).
• Race Pack Collection for 100K, 60K, and 28K categories (10.00–17.00 WIB).
• MSME Exhibition featuring local products (10.00–21.00 WIB).
• Afternoon Tea Party (14.30–16.00 WIB) for participants and invited guests.

Marianna Resort & Convention, Marclan Collection

• MSME and Culinary Bazaar (09.00–21.00 WIB), showcasing local crafts and Samosir’s signature dishes.
• Ulos Fashion Show Competition registration (09.00–10.00 WIB), followed by contests for ages 4–8 (10.00–11.30 WIB) and for ages 9–13 and 14–17 (13.00–15.00 WIB).
• Cooking Demo by professional chefs highlighting local cuisine (11.30–13.00 WIB).
• Award Ceremony (15.00–15.30 WIB), followed by Sound Check (15.30–17.00 WIB) and Break Time (17.00–18.00 WIB).
• Performance by ISI Padang Panjang featuring traditional music and dance (18.00–19.00 WIB).
• Evening Concert (19.00–22.00 WIB) featuring CHS Project, Samuel Sigalingging, Tigor Sihombing, and Maxima Band.

October 18: Main Race and Concert

Marianna Resort & Convention, Marclan Collection

• Flag Off for 100K category begins at 03.00 WIB, marking the start of the international race day.

Alur Tano Ponggol

• Preliminary Round of Solu Bolon Festival (13.00–16.30 WIB), showcasing the spirit of Lake Toba’s sport tourism through traditional boat racing.

Waterfront City Pangururan

• Flag Off 60K (06.00 WIB), followed by 28K Flag Off and Cut Off Time (07.00–16.00 WIB).
• Solu Bolon re-registration (08.00–09.00 WIB) and 5K Race Pack Collection (08.00–16.00 WIB).
• MSME Exhibition continues (08.00–22.00 WIB).
• Storytelling Session on Natural Ulos Dyeing and Talkshow with Tigor Sihombing (14.00–16.00 WIB).
• Sound Check (16.00–18.00 WIB), and Performance by ISI Padang Panjang (18.00–19.00 WIB).
• Main Concert (19.00–23.00 WIB) featuring Virgoun x Last Child, CHS Project, Ruud Gullit Sidauruk, and Tigor Sihombing.

October 19: Fun Run, Kids Category, and Awarding

Alur Tano Ponggol

• Final Round of Solu Bolon Festival (12.00–15.00 WIB), showcasing Lake Toba’s iconic traditional boat races.

Waterfront City Pangururan

• 60K Cut Off Time (02.00 WIB), followed by 10K Flag Off and Cut Off (06.00–08.30 WIB).
• Flag Off for 5K and Kids categories (06.30–07.20 WIB).
• 100K Cut Off Time (09.00 WIB) along with MSME Exhibition continuing until 22.00 WIB.
• Award Ceremony for all race categories (09.00–12.00 WIB).
• Talkshow with Bank Indonesia, Bank Sumut, and Samosir Licensing Office (15.00–17.00 WIB).
• Sound Check (17.00–18.00 WIB) and Break (18.00–19.00 WIB).
• Theatrical Performance “The Ballad of Lake Toba” by Bunda Peri (19.00–20.00 WIB).
• Prize Presentation (20.00–20.20 WIB).
• Closing Concert (20.20–23.20 WIB) featuring Gigi Band, Fresly Nikijuluw, and Gok Malau.

Tourism & Economic Impact in Lake Toba

Marianna Resort & Convention Tuktuk – Samosir, Marclan Collection will serve as one of the key venues for the upcoming Trail of the Kings – Lake Toba by UTMB. The Caldera Crown 100K route will start from the resort area, showing strong support for the growth of sport tourism in this national priority destination.

As the first five-star hotel in the region, Marianna Resort offers 122 rooms, suites, and villas with panoramic views of the lake and mountains, complete with a fitness center, kids’ club, swimming pool, and wellness center. The resort feels honored to contribute to this international event as part of its commitment to sustainable tourism development in Indonesia, especially around Lake Toba.

UTMB is expected not only to be a world-class trail running competition but also to bring a positive economic impact to local communities — through increased tourism, higher hotel occupancy, and greater demand for local products and cuisine.

The Trail of the Kings – Lake Toba by UTMB is also expected to become a moment of collaboration between the government, organizers, MSMEs, and the hospitality sector in building a strong, sustainable tourism ecosystem. Thousands of participants from across Indonesia and abroad will open new market opportunities for local businesses — from food vendors and artisans to tour service providers.