XTrail Breitnau - XT-Run 21 km 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 - XTrail Breitnau - XT-Run 21 km · 2027
| Aid station | Cum. km | Cum. D+ | Seg. km | Seg. D+ | Seg. D- | Crew | Cut-off | Access |
|---|---|---|---|---|---|---|---|---|
| Arrivée | 20.7 | 910 m | 20.7 | 910 m | 909 m | — | Sat 01:35 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
XTrail Breitnau - XT-Run 21 km: 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 2h27 to 1h45, and the aid-station stop budget from 0h03 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 | 2h27 | 0h03 | — | 147 g | 1.7 L | 1,228 mg | +1h33 |
| 550 | 2h16 | 0h03 | — | 136 g | 1.6 L | 1,136 mg | +1h44 |
| 600 | 2h07 | 0h02 | — | 127 g | 1.5 L | 1,061 mg | +1h53 |
| 650 | 2h01 | 0h02 | — | 121 g | 1.4 L | 1,009 mg | +1h59 |
| 700 | 1h56 | 0h02 | — | 116 g | 1.4 L | 967 mg | +2h04 |
| 750 | 1h50 | 0h01 | — | 110 g | 1.3 L | 920 mg | +2h10 |
| 800 | 1h45 | 0h01 | — | 105 g | 1.2 L | 876 mg | +2h15 |
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
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- Javelina Jackass 31k31 km · 322 m D+ · October 31, 2026
- Coldwater Trail 25k25 km · 619 m D+ · November 1, 2026
- HOKA Pacific Trails California by UTMB - 25K®25 km · 667 m D+ · November 15, 2026
- 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 — XTrail Breitnau - XT-Run 21 km
Weather for XTrail Breitnau - XT-Run 21 km
The weather for XTrail Breitnau - XT-Run 21 km 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 XTrail Breitnau - XT-Run 21 km, hour by hour on the courseFrequently asked questions
How many checkpoints?
XTrail Breitnau - XT-Run 21 km 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?
XTrail Breitnau - XT-Run 21 km is 21 km long with 910 m of elevation gain.
How long to finish?
With a UTMB Index of 600 (average runner), the estimated time is around 2h07 for XTrail Breitnau - XT-Run 21 km.
What's the weather forecast?
The weather for XTrail Breitnau - XT-Run 21 km 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 XTrail Breitnau - XT-Run 21 km?
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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