MaXi-Race - Marathon eXpérience 2026
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 2 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.
Cut-off times and crew - MaXi-Race - Marathon eXpérience · 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 | Semnozkm 18.7 | Arrivée, MaXi-Village (Annecy)km 40.2 |
|---|---|---|
| Water | ✕ | ✕ |
| Hot meal | ✕ | ✕ |
Elevation profile
The course and its aid stations
MaXi-Race - Marathon eXpérience: 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 5h35 to 3h34, and the aid-station stop budget from 0h12 to 0h04. The longer the race, the more stops weigh: this is time you should plan to spend standing still, not only running.
| UTMB® Index | Estimated time | Of which stops | Night hours | Carbs | Fluid | Sodium | Cut-off margin |
|---|---|---|---|---|---|---|---|
| 500 | 5h35 | 0h12 | 1 | 335 g | 3.9 L | 2,788 mg | +3h15 |
| 550 | 5h00 | 0h10 | 1 | 300 g | 3.5 L | 2,501 mg | +3h50 |
| 600 | 4h37 | 0h08 | 1 | 277 g | 3.2 L | 2,308 mg | +4h13 |
| 650 | 4h15 | 0h07 | 1 | 255 g | 3 L | 2,123 mg | +4h35 |
| 700 | 3h59 | 0h06 | 1 | 239 g | 2.8 L | 1,994 mg | +4h51 |
| 750 | 3h47 | 0h05 | 1 | 227 g | 2.7 L | 1,894 mg | +5h03 |
| 800 | 3h34 | 0h04 | 1 | 214 g | 2.5 L | 1,780 mg | +5h16 |
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.
Measured on the 2026 edition: the field checkpoint by checkpoint
1,259 finishers measured over 7 timed checkpoints.
| Segment | km | Median | Middle half | Measured | Median passage | Still ranked |
|---|---|---|---|---|---|---|
| Départ → KM 9 | 9.3 | 1 h 15 | 1 h 09 – 1 h 22 | 1,255 | 1 h 15 | 1,259 |
| KM 9 → Entré Base Vie Semnoz | 17.9 | 1 h 16 | 1 h 09 – 1 h 24 | 1,254 | 2 h 32 | 1,259 |
| Entré Base Vie Semnoz → Sortie Base Vie Semnoz | 18.3 | 6 min | 5 min – 9 min | 1,253 | 2 h 39 | 1,259 |
| Sortie Base Vie Semnoz → Reste 20km | 19.9 | 17 min | 15 min – 18 min | 1,252 | 2 h 56 | 1,259 |
| Reste 20km → Reste 6.5km | 33.3 | 1 h 45 | 1 h 34 – 1 h 59 | 1,255 | 4 h 41 | 1,259 |
| Reste 6.5km → Reste 500m | 39.3 | 52 min | 46 min – 59 min | 1,255 | 5 h 33 | 1,259 |
| Reste 500m → Arrivée | 40 | 3 min | 3 min – 4 min | 1,255 | 5 h 37 | 1,259 |
“Median passage” is elapsed time from the start, not a clock time: the clock time depends on the edition.
RAVIT record from the official timing of the 2026 edition, data from October 5, 2026.
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MaXi-Race - Marathon eXpérience over the years
Sources and method
- Time projection — les temps par cote sont repris des passages réels des coureurs de chaque tranche sur les éditions précédentes de cette course, arrêts aux ravitaillements compris. Aucune formule n'intervient tant que ces résultats existent.
- 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 — MaXi-Race - Marathon eXpérience
Weather for MaXi-Race - Marathon eXpérience
The weather for MaXi-Race - Marathon eXpérience 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 MaXi-Race - Marathon eXpérience, hour by hour on the courseFrequently asked questions
How many checkpoints?
MaXi-Race - Marathon eXpérience has 5 checkpoints: 2 aid stations and 3 checkpoints with undocumented contents. Details are in the two tables above.
What's the longest segment without aid?
The one leading to Arrivée, MaXi-Village (Annecy): 21.5 km and 514 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?
MaXi-Race - Marathon eXpérience is 40 km long with 1900 m of elevation gain.
How long to finish?
With a UTMB Index of 600 (average runner), the estimated time is around 4h37 for MaXi-Race - Marathon eXpérience.
What's the weather forecast?
The weather for MaXi-Race - Marathon eXpérience 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 MaXi-Race - Marathon eXpérience?
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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