Pangururan, Indonesia · Trail
Official site ↗Lake Toba by UTMB
Trail of the Kings, a UTMB World Series weekend on Samosir Island in Lake Toba, Sumatra, each June: the Caldera Crown 100K and the Ultimate Expedition 60K.
Saturday, June 12, 2027 at 3:00 AM GMT+7
Registration runs November 10, 2026 to May 30, 2027.
Distances
Caldera Crown 100K
- Distance
- 101.19 km (63 mi)
- Vert gain
- 4,205 m (13,800 ft)
- Start
- 3:00 AM GMT+7
- Cutoff
- 30 hr
Starts from Waterfront City Pangururan at 3 a.m. Saturday; the finish closes at 9 a.m. Sunday
Ultimate Expedition 60K
- Distance
- 64.03 km (40 mi)
- Vert gain
- 3,236 m (10,600 ft)
- Start
- 6:00 AM GMT+7
- Cutoff
- 20 hr
Starts from Waterfront City Pangururan at 6 a.m. Saturday; the finish closes at 2 a.m. Sunday
| Distance | Vert gain | Start | Cutoff | Notes |
|---|---|---|---|---|
| 101.19 km (63 mi) | 4,205 m (13,800 ft) | 3:00 AM GMT+7 | 30 hr | Starts from Waterfront City Pangururan at 3 a.m. Saturday; the finish closes at 9 a.m. Sunday |
| 64.03 km (40 mi) | 3,236 m (10,600 ft) | 6:00 AM GMT+7 | 20 hr | Starts from Waterfront City Pangururan at 6 a.m. Saturday; the finish closes at 2 a.m. Sunday |
About
Lake Toba by UTMB, sold as Trail of the Kings, runs on Samosir Island in the caldera lake of Lake Toba in North Sumatra, Indonesia, from the Waterfront City at Pangururan. The Caldera Crown 100K is 101.19 km with 4,205 m of climbing, starting at 3 a.m. on the Saturday on a 30-hour limit.
The Ultimate Expedition 60K is 64.03 km with 3,236 m of climbing, starting at 6 a.m. on a 20-hour limit. Both fields are small: 57 and 142 starters in 2026.
Course
The 100K's finish closes at 9 a.m. Sunday and the 60K's at 2 a.m. Sunday. The weekend's 28K, 16K and kids' races are shorter than an ultra.
How to register
Entry for 2027 opens with a 48-hour priority window for UTMB Index holders on November 10 and 11, 2026, then to everyone from November 12, 2026 to May 30, 2027.