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Cover photo of Trail du Cirque du Fer à Cheval - 46 km 2027 — 47 km, 1904 m elevation gainImage provided by the organizerTrail du Cirque du Fer à Cheval logo

Trail du Cirque du Fer à Cheval - 46 km 2027

March 20, 2027Provided by the organizer
Distance
46.8 km
Elevation gain
1904 m
Country
🇫🇷 France
Download the GPXVersion from September 13, 2026, updated by RAVITOfficial race website
Course weather at your time of passage

The forecast arrives five days before the start.

Here you'll find the official elevation profile, an estimated finish time based on your UTMB Index and details of the 5 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

UTMB Index®
Peaking05h12
Normal day
3005007009001000UTMB Index®
from Peaking (P10) to Survival mode (P90)extended based on 209,157 finishers from 222 racesCalibrated UTMB® points
SourceUTMB® IndexLiveTrail

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Cut-off times and crew - Trail du Cirque du Fer à Cheval - 46 km · 2027

47 km race checkpoints: kilometers, elevation, crew, cut-off time and access
Aid stationCum. kmCum. D+Seg. kmSeg. D+Seg. D-CrewCut-offAccess
Ravito de Pupillin11.3544 m11.3544 m367 mAllowed—
Ravito du Fer à Cheval22.4918 m11.1374 m317 mAllowedSat 12:00 PM
Ravito Roche du Feu32.71,394 m10.3476 m447 mAllowedSat 02:30 PM
Ravito Montigny41.41,772 m8.7378 m564 mAllowed—
Arrivée46.81,905 m5.4133 m211 m—Sat 06:00 PM
Submitted by TCFC · updated 10/01/2026

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: products in rows, aid stations in columns
ProductPupillinkm 11.3Fer à Chevalkm 22.4Roche du Feukm 32.7Montignykm 41.4Arrivéekm 46.8
Orangesavailableavailableavailableavailableavailable
Bananesavailableavailableavailableavailableavailable
Chocolatavailableavailableavailableavailableavailable
Pain d'épicesavailableavailableavailableavailableavailable
Madeleine natureavailableavailableavailableavailableavailable
Crackers TUCavailableavailableavailableavailableavailable
Abricots secsavailableavailableavailableavailableavailable
Cacahuètes grillées saléesavailableavailableavailableavailableavailable
Saucisson · Salaisons Thaurinavailableavailableavailableavailableavailable
Sirop citron · Maison Rièmeavailableavailableavailableavailableavailable
Sirop sapin · Maison Rièmeavailableavailableavailableavailableavailable
Sirop menthe · Maison Rièmeavailableavailableavailableavailableavailable
Jura Cola · Rouget de Lisleavailableavailableavailableavailableavailable
Comté fruité · Fruitière du Plateau Arboisienavailableavailableavailableavailableavailable
Bouillon de légumesunavailableunavailableunavailableavailableavailable
Saint-Yorre (eau minérale)unavailableunavailableunavailableavailableavailable
Wateravailableavailableavailableavailableavailable
Submitted by TCFC · updated 10/01/2026

La feuille de ton assistance pour Trail du Cirque du Fer à Cheval - 46 km · 2027

Ton assistance peut te voir à ces postes. Ton plan RAVIT y met tes heures, ce qu'elle te tend et la route pour y aller.

  • Ravito de Pupillinkm 11.3
  • Ravito du Fer à Chevalkm 22.4
  • Ravito Roche du Feukm 32.7
  • Ravito Montignykm 41.4

Recto, verso et planche d'étiquettes, en PDF : l'exemple d'une coureuse de l'UTMB.

Elevation profile

300 M400 M500 M600 MS01 · Ravito de Pupillin KM 11.3 — Alt 485 m D+ cumulé 544 m11.3 KMRavito de PupillinS02 · Ravito du Fer à Cheval KM 22.4 — Alt 538 m D+ cumulé 918 m22.4 KMRavito du Fer à ChevalS03 · Ravito Roche du Feu KM 32.7 — Alt 570 m D+ cumulé 1394 m32.7 KMRavito Roche du FeuS04 · Ravito Montigny KM 41.4 — Alt 384 m D+ cumulé 1772 m41.4 KMRavito MontignyStart0 KMFinish46.8 KM

The course and its aid stations

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Trail du Cirque du Fer à Cheval - 46 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 6h00 to 3h45. These times include aid-station stops: they come from real durations between two timing points, and this race's timing does not measure stops separately.

SourceUTMB® Index
Estimated time, stop time and fuelling needs on Trail du Cirque du Fer à Cheval - 46 km by UTMB Index
UTMB® IndexEstimated timeNight hoursCarbsFluidSodiumCut-off margin
5006h00—360 g4.2 L3,000 mg+4h00
5505h25—325 g3.8 L2,708 mg+4h35
6004h58—298 g3.5 L2,483 mg+5h02
6504h40—280 g3.3 L2,333 mg+5h20
7004h22—262 g3.1 L2,183 mg+5h38
7504h03—243 g2.8 L2,025 mg+5h57
8003h45—225 g2.6 L1,875 mg+6h15

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

Trail du Cirque du Fer à Cheval - 46 km is 47 km and 1,904 m of elevation gain, that's 65 km-effort: category S, among 163 races in 2027. Its time limit of 10 h requires a minimum speed of 4.7 km/h: rank 78 out of 145 of the widest cut-off times in S.

S trails 2027: 45 to 74 km-effort

Similar effort in 2027

Other trails worth preparing for

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 — Trail du Cirque du Fer à Cheval - 46 km

Weather for Trail du Cirque du Fer à Cheval - 46 km

The weather for Trail du Cirque du Fer à Cheval - 46 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 Trail du Cirque du Fer à Cheval - 46 km, hour by hour on the course

Frequently asked questions

How many checkpoints?

Trail du Cirque du Fer à Cheval - 46 km has 5 checkpoints: 5 aid stations. Details are in the two tables above.

What's the longest segment without aid?

The one leading to Ravito de Pupillin: 11.3 km and 544 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?

Trail du Cirque du Fer à Cheval - 46 km is 47 km long with 1904 m of elevation gain.

How long to finish?

With a UTMB Index of 600 (average runner), the estimated time is around 4h58 for Trail du Cirque du Fer à Cheval - 46 km.

What's the weather forecast?

The weather for Trail du Cirque du Fer à Cheval - 46 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 Trail du Cirque du Fer à Cheval - 46 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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