TDLS - Ultra Trail de la Sibérie - BE - 42km 2027
The forecast arrives five days before the start.
Here you'll find the elevation profile and an estimated finish time based on your UTMB Index.
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 - TDLS - Ultra Trail de la Sibérie - BE - 42km · 2027
| Aid station | Cum. km | Cum. D+ | Seg. km | Seg. D+ | Seg. D- | Crew | Cut-off | Access |
|---|---|---|---|---|---|---|---|---|
| Arrivée | 42.8 | 1,525 m | 42.8 | 1,525 m | 1,523 m | — | Sat 06:00 PM |
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
Aid station contents not documented.
Elevation profile
The course and its aid stations
Other trails worth preparing for
- Bossière - 33km33 km · 481 m D+ · October 18, 2026
- Kasterlee - Natuurmarathon43 km · 200 m D+ · November 15, 2026
- Vissenaken - 29km29 km · 286 m D+ · November 22, 2026
- Trail du BW - 42km41 km · 878 m D+ · December 5, 2026
- Trail du BW - 62 km62 km · 1,207 m D+ · December 5, 2026
- Maredsous - 30km-night30 km · 682 m D+ · December 18, 2026
- Hombourg - 29km29 km · 712 m D+ · December 19, 2026
- TDLS - Ultra Trail de la Sibérie - BE - 35K35 km · 1,383 m D+ · February 20, 2027
- TDLS - Ultra Trail de la Sibérie - BE - 57K52 km · 1,646 m D+ · February 20, 2027
Sources and method
- Time projection — for lack of results on this race, times by UTMB Index rely on a Riegel law whose exponent is adjusted to elevation gain — the model's fallback, not its usual method. Peter Riegel (Wikipedia)
- 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 — TDLS - Ultra Trail de la Sibérie - BE - 42km
Weather for TDLS - Ultra Trail de la Sibérie - BE - 42km
The weather for TDLS - Ultra Trail de la Sibérie - BE - 42km 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 TDLS - Ultra Trail de la Sibérie - BE - 42km, hour by hour on the courseFrequently asked questions
How many checkpoints?
TDLS - Ultra Trail de la Sibérie - BE - 42km has 1 checkpoint: 1 checkpoint with undocumented contents. Details are in the two tables above.
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?
TDLS - Ultra Trail de la Sibérie - BE - 42km is 43 km long with 1525 m of elevation gain.
How long to finish?
With a UTMB Index of 600 (average runner), the estimated time is around 4h56 for TDLS - Ultra Trail de la Sibérie - BE - 42km.
What's the weather forecast?
The weather for TDLS - Ultra Trail de la Sibérie - BE - 42km 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 TDLS - Ultra Trail de la Sibérie - BE - 42km?
In 2 minutes, RAVIT generates your complete plan: segment-by-segment time, carbs, water and sodium at every aid station, printable roadbook.
No card required · Instant results