U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k 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 - U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k · 2027
| Aid station | Cum. km | Cum. D+ | Seg. km | Seg. D+ | Seg. D- | Crew | Cut-off | Access |
|---|---|---|---|---|---|---|---|---|
| Arrivée | 22.7 | 1,022 m | 22.7 | 1,022 m | 1,022 m | — | Sat 04:00 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.
La feuille de ton assistance pour U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k · 2027
Les règles d'assistance de cette course ne sont pas encore connues : tu marqueras tes rendez-vous toi-même.
Recto, verso et planche d'étiquettes, en PDF : l'exemple d'une coureuse de l'UTMB.
Elevation profile
The course and its aid stations
U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k: 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 2h55 to 1h55, and the aid-station stop budget from 0h04 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 | 2h55 | 0h04 | — | 175 g | 2 L | 1,456 mg | +2h05 |
| 550 | 2h40 | 0h03 | — | 160 g | 1.9 L | 1,330 mg | +2h20 |
| 600 | 2h27 | 0h02 | — | 147 g | 1.7 L | 1,223 mg | +2h33 |
| 650 | 2h17 | 0h02 | — | 137 g | 1.6 L | 1,145 mg | +2h43 |
| 700 | 2h10 | 0h02 | — | 130 g | 1.5 L | 1,081 mg | +2h50 |
| 750 | 2h03 | 0h02 | — | 123 g | 1.4 L | 1,023 mg | +2h57 |
| 800 | 1h55 | 0h01 | — | 115 g | 1.3 L | 962 mg | +3h05 |
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.
In the 2027 ranking
U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k is 23 km and 1,022 m of elevation gain, that's 32 km-effort: category XS, among 157 races in 2027. Its time limit of 5 h requires a minimum speed of 4.5 km/h: rank 85 out of 147 of the widest cut-off times in XS.
XS trails 2027: 25 to 44 km-effort
Similar effort in 2027
- Ceven'Trail - Trail de l'Oignon Doux · 33 km-effort
- Les Courses du Mont-Terrible - La Terrible · 32 km-effort
- The Canyons Endurance Runs - 25K · 33 km-effort
Other trails worth preparing for
- Javelina Jackass 31k31 km · 322 m D+ · October 31, 2026
- Coldwater Trail 25k25 km · 619 m D+ · November 1, 2026
- Rim Rock Half21 km · 21 m D+ · November 1, 2026
- HOKA Pacific Trails California by UTMB - 25K®25 km · 667 m D+ · November 15, 2026
- FOURmidable 35k35 km · 1,122 m D+ · February 13, 2027
- Lost Lake 25K25 km · 954 m D+ · March 6, 2027
- Desert RATS Trail Running Festival - 21K21 km · 642 m D+ · April 11, 2027
- The Canyons Endurance Runs - 25K25 km · 810 m D+ · April 23, 2027
- Rothrock - 25K27 km · 1,065 m D+ · May 16, 2027
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 — U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k
Weather for U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k
The weather for U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k 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 U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k, hour by hour on the courseFrequently asked questions
How many checkpoints?
U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k 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?
U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k is 23 km long with 1022 m of elevation gain.
How long to finish?
With a UTMB Index of 600 (average runner), the estimated time is around 2h27 for U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k.
What's the weather forecast?
The weather for U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k 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 U. Trail Lamer Winkel (U.TLW) - Osser-Riese 25k?
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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