Trail of the Kings - Lake Toba - King's Ascent 28K 2027
The forecast arrives five days before the start.
Here you'll find the elevation profile, an estimated finish time based on your UTMB Index and details of the 3 aid stations to plan your nutrition and hydration segment by segment.
What's your time based on your UTMB?
Times estimated by the RAVIT model, learned from real ultra-trail finish times. Enter your UTMB Index (utmb.world) to get a personalized estimate.
Cut-off times and crew - Trail of the Kings - Lake Toba - King's Ascent 28K · 2027
Data from the official race rules, checked for every edition. The race rules prevail. Positions are interpolated along the GPX track and are a guide, not official course marking.
What you'll find at each aid station
| Product | Sitao-taokm 8.6 | Rumah Hela Parkingkm 17.6 | Finishkm 25.5 |
|---|---|---|---|
| Water | available | available | available |
| Brand products | unavailable | available | unavailable |
| Hot meal | unavailable | unavailable | available |
Elevation profile
The course and its aid stations
Trail of the Kings - Lake Toba - King's Ascent 28K: times, aid-station stops and fuelling needs by UTMB® Index
Between a UTMB® Index of 500 and 800, the estimated finish time on this race runs from 3h27 to 2h17, and the aid-station stop budget from 0h02 to 0h01. The longer the race, the more stops weigh: this is time you should plan to spend standing still, not only running.
Source
| UTMB® Index | Estimated time | Of which stops | Night hours | Carbs | Fluid | Sodium | Cut-off margin |
|---|---|---|---|---|---|---|---|
| 500 | 3h27 | 0h02 | 0.5 | 207 g | 2.4 L | 1,723 mg | +5h33 |
| 550 | 3h09 | 0h02 | 0.5 | 189 g | 2.2 L | 1,578 mg | +5h51 |
| 600 | 2h56 | 0h02 | 0.5 | 176 g | 2 L | 1,463 mg | +6h04 |
| 650 | 2h45 | 0h01 | 0.5 | 165 g | 1.9 L | 1,376 mg | +6h15 |
| 700 | 2h35 | 0h01 | 0.5 | 155 g | 1.8 L | 1,292 mg | +6h25 |
| 750 | 2h26 | 0h01 | 0.5 | 146 g | 1.7 L | 1,215 mg | +6h34 |
| 800 | 2h17 | 0h01 | 0.5 | 137 g | 1.6 L | 1,139 mg | +6h43 |
Figures based on 60 g of carbohydrate, 700 mL of fluid and 500 mg of sodium per hour, "average" preparation and mild conditions (15–25 °C). Above 25 °C, count on roughly 900 mL/h and 700 mg/h. Carbohydrate intake is trained: 60 g/h is a floor, 90 g/h assumes a glucose-fructose blend and a gut used to it.
Edition 2026 measurements
Edition 2026 measured 23.6 km, vs 25.5 km for this one: its times aren't included here.
See segment-by-segment analysis of Trail of the Kings - Lake Toba - King's Ascent 28KOther trails worth preparing for
Trail of the Kings - Lake Toba - King's Ascent 28K over the years
Sources and method
- Time projection — times by UTMB Index are taken from the actual splits of runners in each level band on previous editions of this race, aid station stops included. No formula is used as long as these results exist.
- Trail nutrition — hourly targets for carbohydrate, fluid and sodium follow the commonly accepted ultra-endurance guidance. La Clinique du Coureur — Fuelling in trail running
- Course, aid stations and cut-offs — taken from the event's official rules, which prevail in case of any discrepancy. Official site — Trail of the Kings - Lake Toba - King's Ascent 28K
Weather for Trail of the Kings - Lake Toba - King's Ascent 28K
The weather for Trail of the Kings - Lake Toba - King's Ascent 28K will appear here as soon as the forecast models reach that date, around five days before the start: feels-like temperature, rain, snow, wind and storms, section by section and at your passage time.
Detailed weather for Trail of the Kings - Lake Toba - King's Ascent 28K, hour by hour on the courseFrequently asked questions
How many checkpoints?
Trail of the Kings - Lake Toba - King's Ascent 28K has 3 checkpoints: 2 aid stations and 1 water point. Details are in the two tables above.
What's the longest segment without aid?
The one leading to Rumah Hela Parking: 9.0 km and 872 m elevation gain. That's the one to load up for first.
How do I find the exact location of an aid station?
The Google Maps icon in the “Access” column opens the aid station's location: handy for planning your crew's routes.
What distance and elevation gain?
Trail of the Kings - Lake Toba - King's Ascent 28K is 26 km long with 1347 m of elevation gain.
How long to finish?
With a UTMB Index of 600 (average runner), the estimated time is around 2h56 for Trail of the Kings - Lake Toba - King's Ascent 28K.
What's the weather forecast?
The weather for Trail of the Kings - Lake Toba - King's Ascent 28K will be published on this page around five days before the start, once the forecast models reach the race date. It will be detailed section by section: feels-like temperature, rain, snow, wind and storms.
Want to stack the odds in your favor for Trail of the Kings - Lake Toba - King's Ascent 28K?
In 2 minutes, RAVIT generates your complete plan: segment-by-segment time, carbs, water and sodium at every aid station, printable roadbook.
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