Stoneham-et-Tewkesbury, QC - 17km 2026
Forecast published: 35°F feels-like at the coldest, 39°F at the warmest, no notable rain.
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 - Stoneham-et-Tewkesbury, QC - 17km · 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
Aid station contents not documented.
La feuille de ton assistance pour Stoneham-et-Tewkesbury, QC - 17km · 2026
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
Stoneham-et-Tewkesbury, QC - 17km: 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 2h03 to 1h22, and the aid-station stop budget from 0h02 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 | 2h03 | 0h02 | — | 123 g | 1.4 L | 1,022 mg | +1h57 |
| 550 | 1h52 | 0h02 | — | 112 g | 1.3 L | 936 mg | +2h08 |
| 600 | 1h45 | 0h01 | — | 105 g | 1.2 L | 872 mg | +2h15 |
| 650 | 1h38 | 0h01 | — | 98 g | 1.1 L | 818 mg | +2h22 |
| 700 | 1h32 | 0h01 | — | 92 g | 1.1 L | 767 mg | +2h28 |
| 750 | 1h27 | 0h01 | — | 87 g | 1 L | 723 mg | +2h33 |
| 800 | 1h22 | 0h01 | — | 82 g | 1 L | 682 mg | +2h38 |
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
- Ham-Sud - 10km11 km · 654 m D+ · November 1, 2026
- Ham-Sud - 15km15 km · 895 m D+ · November 1, 2026
- Ultra Trail Whistler - 25K27 km · 1,539 m D+ · June 27, 2027
- Ultra Trail Whistler - 10K13 km · 602 m D+ · June 27, 2027
- Stoneham-et-Tewkesbury, QC - 12km12 km · 466 m D+ · October 25, 2026
- Bromont - BU12k12 km · 526 m D+ · October 17, 2026
- Mont-Tremblant, QC - 20km19 km · 1,099 m D+ · October 17, 2026
- Bromont - BU2525 km · 1,053 m D+ · October 17, 2026
- Beaupré - 17km16 km · 389 m D+ · October 16, 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 — Stoneham-et-Tewkesbury, QC - 17km
Weather for Stoneham-et-Tewkesbury, QC - 17km
Section-by-section forecasts for Stoneham-et-Tewkesbury, QC - 17km, calculated at the estimated passing time: feels-like temperature, rain or snow, wind and thunderstorms. Three models — AROME (Météo-France), ICON (DWD) and ECMWF IFS — served from the finest to the farthest-reaching.
Forecasts for a 600 UTMB Index runner, at their estimated passage time. Start Sun, 10/25 08:30 AM: Clear sky, 39°F. Coldest: 35°F feels-like at Point de contrôle 1 (Sun, 10/25 09:19 AM); warmest: 39°F at Start (Sun, 10/25 08:30 AM). No notable rain forecast on the course. Gusts up to 16 mph at Start.
Forecast, not guaranteed: in the mountains a model describes a grid of several hundred meters, not the slope you're on.
Weather data: Météo-France (AROME), DWD (ICON), ECMWF (IFS) — CC BY 4.0, via Open-Meteo
Frequently asked questions
How many checkpoints?
Stoneham-et-Tewkesbury, QC - 17km has 2 checkpoints: 2 checkpoints 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?
Stoneham-et-Tewkesbury, QC - 17km is 17 km long with 637 m of elevation gain.
How long to finish?
With a UTMB Index of 600 (average runner), the estimated time is around 1h45 for Stoneham-et-Tewkesbury, QC - 17km.
What's the weather forecast?
Forecast published: 35°F feels-like at the coldest, 39°F at the warmest, no notable rain. RAVIT publishes the weather for Stoneham-et-Tewkesbury, QC - 17km section by section: feels-like temperature, rain or snow, wind and storms, at the estimated passage time. Forecasts come from AROME (Météo-France), ICON (DWD) and ECMWF IFS, refreshed several times a day.
Want to stack the odds in your favor for Stoneham-et-Tewkesbury, QC - 17km?
In 2 minutes, RAVIT generates your complete plan: segment-by-segment time, carbs, water and sodium at every aid station, printable roadbook.
No card required · Instant results