Black Forest Trailrun Masters - Etappe 2: Biereck - Gehrenberg - Trail 2026
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 - Black Forest Trailrun Masters - Etappe 2: Biereck - Gehrenberg - Trail · 2026
| Aid station | Cum. km | Cum. D+ | Seg. km | Seg. D+ | Seg. D- | Crew | Cut-off | Access |
|---|---|---|---|---|---|---|---|---|
| Arrivée | 36.9 | 1,211 m | 36.9 | 1,211 m | 1,210 m | — | Sun 05:00 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
Black Forest Trailrun Masters - Etappe 2: Biereck - Gehrenberg - Trail: 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 4h20 to 2h58, and the aid-station stop budget from 0h06 to 0h02. 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 | 4h20 | 0h06 | — | 260 g | 3 L | 2,168 mg | +3h40 |
| 550 | 4h02 | 0h05 | — | 242 g | 2.8 L | 2,016 mg | +3h58 |
| 600 | 3h46 | 0h04 | — | 226 g | 2.6 L | 1,882 mg | +4h14 |
| 650 | 3h31 | 0h03 | — | 211 g | 2.5 L | 1,755 mg | +4h29 |
| 700 | 3h18 | 0h03 | — | 198 g | 2.3 L | 1,650 mg | +4h42 |
| 750 | 3h08 | 0h02 | — | 188 g | 2.2 L | 1,566 mg | +4h52 |
| 800 | 2h58 | 0h02 | — | 178 g | 2.1 L | 1,480 mg | +5h02 |
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.
Other trails worth preparing for
- Fort Collins - Half Marathon22 km · 460 m D+ · October 18, 2026
- Fort Collins - Marathon43 km · 1,162 m D+ · October 18, 2026
- Bridge Burner 35mile58 km · 1,616 m D+ · October 24, 2026
- Javelina Jackass 31k31 km · 322 m D+ · October 31, 2026
- Coldwater 50k52 km · 1,293 m D+ · November 1, 2026
- Coldwater Trail 25k25 km · 619 m D+ · November 1, 2026
- Lake Chabot 50K49 km · 1,896 m D+ · November 7, 2026
- Mt. Tam 50k48 km · 2,005 m D+ · November 7, 2026
- Red Rock Canyon 50k49 km · 988 m D+ · November 14, 2026
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 — Black Forest Trailrun Masters - Etappe 2: Biereck - Gehrenberg - Trail
Weather for Black Forest Trailrun Masters - Etappe 2: Biereck - Gehrenberg - Trail
The weather for Black Forest Trailrun Masters - Etappe 2: Biereck - Gehrenberg - Trail 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 Black Forest Trailrun Masters - Etappe 2: Biereck - Gehrenberg - Trail, hour by hour on the courseFrequently asked questions
How many checkpoints?
Black Forest Trailrun Masters - Etappe 2: Biereck - Gehrenberg - Trail 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?
Black Forest Trailrun Masters - Etappe 2: Biereck - Gehrenberg - Trail is 37 km long with 1211 m of elevation gain.
How long to finish?
With a UTMB Index of 600 (average runner), the estimated time is around 3h46 for Black Forest Trailrun Masters - Etappe 2: Biereck - Gehrenberg - Trail.
What's the weather forecast?
The weather for Black Forest Trailrun Masters - Etappe 2: Biereck - Gehrenberg - Trail 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 Black Forest Trailrun Masters - Etappe 2: Biereck - Gehrenberg - Trail?
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