Ultra trail des montagnes du Jura - La Franco Suisse 2026
Your index is enough · arrival time and first checkpoints free
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 9 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.
Predicted race time based on your UTMB Index® · smoothed times achieved by runners at your level in past editions
At your index, you finish between 06h19 and 08h12 ahead of the finish cut-off.
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Cut-off times and crew - Ultra trail des montagnes du Jura - La Franco Suisse · 2026
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 | Morbierkm 21.7 | Bellefontainekm 28.6 | Chapelle des boiskm 37.5 | Chaux neuvekm 49.4 | Mouthekm 57.3 | Granges Raguinkm 67.2 | Jougnekm 79.9 | Grange Neuvekm 92.2 | Jougnekm 102.8 |
|---|---|---|---|---|---|---|---|---|---|
| Water | available | available | available | available | available | available | available | available | available |
| Brand products | available | available | available | available | available | available | unavailable | available | available |
| Hot meal | unavailable | unavailable | unavailable | unavailable | unavailable | unavailable | available | unavailable | unavailable |
Elevation profile
The course and its aid stations
Ultra trail des montagnes du Jura - La Franco Suisse: 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 18h41 to 10h04, and the aid-station stop budget from 0h00 to 0h00. The longer the race, the more stops weigh: this is time you should plan to spend standing still, not only running.
SourceBelow a UTMB® Index of roughly 360, the overall cut-off of 23h59 is no longer reachable at the estimated pace.
| UTMB® Index | Estimated time | Of which stops | Night hours | Carbs | Fluid | Sodium | Cut-off margin |
|---|---|---|---|---|---|---|---|
| 500 | 16h43 à 18h41 | 0h00 | 3.7 | 1,062 g | 12.4 L | 8,850 mg | +6h17 |
| 550 | 15h35 à 17h25 | 0h00 | 2.5 | 990 g | 11.6 L | 8,250 mg | +7h29 |
| 600 | 14h08 à 15h48 | 0h00 | 2 | 898 g | 10.5 L | 7,483 mg | +9h01 |
| 650 | 12h27 à 13h55 | 0h00 | 2 | 791 g | 9.2 L | 6,592 mg | +10h48 |
| 700 | 11h39 à 13h01 | 0h00 | 2 | 740 g | 8.6 L | 6,167 mg | +11h39 |
| 750 | 10h40 à 11h56 | 0h00 | 2 | 678 g | 7.9 L | 5,650 mg | +12h41 |
| 800 | 10h04 à 11h16 | 0h00 | 2 | 640 g | 7.5 L | 5,333 mg | +13h19 |
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
- Week-End Trail du PSNO - Ultra Trail du PSNO64 km · 1,667 m D+ · November 15, 2026
- THP winter - W7070 km · 3,749 m D+ · November 21, 2026
- Nébian - 7 UTNB85 km · 3,686 m D+ · November 21, 2026
- THP winter - W100102 km · 5,306 m D+ · November 21, 2026
- Nébian - 6 UTNB73 km · 3,152 m D+ · November 21, 2026
- ULTRA TRAIL TROUPES DE MARINE - 128KM131 km · 4,673 m D+ · November 21, 2026
- Nébian - UTNB - 8 boucles99 km · 4,457 m D+ · November 21, 2026
- THP winter - W70 relai70 km · 3,750 m D+ · November 21, 2026
- Firminy - Raid Le Puy-Firminy69 km · 1,560 m D+ · November 22, 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 — Ultra trail des montagnes du Jura - La Franco Suisse
Weather for Ultra trail des montagnes du Jura - La Franco Suisse
The weather for Ultra trail des montagnes du Jura - La Franco Suisse 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 Ultra trail des montagnes du Jura - La Franco Suisse, hour by hour on the courseFrequently asked questions
How many checkpoints?
Ultra trail des montagnes du Jura - La Franco Suisse has 10 checkpoints: 9 aid stations and 1 checkpoint with undocumented contents. Details are in the two tables above.
What's the longest segment without aid?
The one leading to Morbier: 21.7 km and 928 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?
Ultra trail des montagnes du Jura - La Franco Suisse is 106 km long with 4285 m of elevation gain.
How long to finish?
With a UTMB index of 600 (average runner), one runner in two finishes Ultra trail des montagnes du Jura - La Franco Suisse between 14h08 and 15h48.
What's the weather forecast?
The weather for Ultra trail des montagnes du Jura - La Franco Suisse 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.