Cover photo of Cool Moon 100k 2027 — 102 km, 2643 m elevation gain

Cool Moon 100k 2027

June 12, 2027
Distance
101.9 km
Elevation gain
2643 m
Country
🇺🇸 United States
Course weather at your time of passage

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 24 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®

UTMB Index®
Normal day
3005007009001000UTMB Index®
SourceUTMB® Index

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Cut-off times and crew - Cool Moon 100k · 2027

102 km race checkpoints: kilometers, elevation, crew, cut-off time and access
Aid stationCum. kmCum. D+Seg. kmSeg. D+Seg. D-CrewCut-offAccess
The Ranch A7.1231 m7.1231 m239 m——
Dam14.0447 m6.9216 m308 m——
Knickerbocker A16.0535 m2.088 m14 m——
The Ranch B19.6637 m3.6102 m84 m——
Cool B21.4673 m1.836 m27 m——
Knickerbocker B25.4711 m4.038 m68 m——
Pilot Hill30.3831 m5.0120 m107 m——
Catecroft32.9860 m2.529 m31 m——
Knickerbocker C36.8931 m4.071 m78 m——
Cool A 240.2979 m3.448 m23 m——
The Ranch A 247.31,212 m7.1233 m241 m——
Dam 254.21,427 m6.9215 m307 m——
Knickerbocker A 256.21,517 m2.090 m14 m——
The Ranch B 259.81,616 m3.699 m80 m——
Cool B 261.61,650 m1.834 m28 m——
Knickerbocker B 265.61,690 m4.040 m70 m——
Pilot Hill 270.61,812 m5.0122 m108 m——
Catecroft 273.11,839 m2.527 m31 m——
Knickerbocker C 277.11,918 m4.079 m86 m——
Cool A 380.51,967 m3.449 m24 m——
The Ranch A 387.62,203 m7.1236 m242 m——
Dam 394.52,416 m6.9213 m307 m——
Knickerbocker A 396.42,506 m2.090 m14 m——
The Ranch B3100.02,608 m3.6102 m84 m——
Cool Finish101.92,645 m1.837 m28 m—Sun 06:00 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: products in rows, aid stations in columns
ProductThe Ranch Akm 7.1Damkm 14.0Knickerbocker Akm 16.0The Ranch Bkm 19.6Cool Bkm 21.4Knickerbocker Bkm 25.4Pilot Hillkm 30.3Catecroftkm 32.9Knickerbocker Ckm 36.8Cool A 2km 40.2The Ranch A 2km 47.3Dam 2km 54.2Knickerbocker A 2km 56.2The Ranch B 2km 59.8Cool B 2km 61.6Knickerbocker B 2km 65.6Pilot Hill 2km 70.6Catecroft 2km 73.1Knickerbocker C 2km 77.1Cool A 3km 80.5The Ranch A 3km 87.6Dam 3km 94.5Knickerbocker A 3km 96.4The Ranch B3km 100.0
Wateravailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailableavailable
Brand productsavailableunavailableavailableavailableavailableavailableunavailableavailableavailableavailableavailableunavailableavailableavailableavailableavailableunavailableavailableavailableavailableavailableunavailableavailableavailable

La feuille de ton assistance pour Cool Moon 100k · 2027

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

200 M300 M400 MS01 · The Ranch A KM 7.1 — Alt 457 m D+ cumulé 231 m7.1 KMThe Ranch AS02 · Dam KM 14.0 — Alt 365 m D+ cumulé 447 m14.0 KMDamS03 · Knickerbocker A KM 16.0 — Alt 437 m D+ cumulé 535 m16.0 KMKnickerbocker AS04 · The Ranch B KM 19.6 — Alt 457 m D+ cumulé 637 m19.6 KMThe Ranch BS05 · Cool B KM 21.4 — Alt 464 m D+ cumulé 673 m21.4 KMCool BS06 · Knickerbocker B KM 25.4 — Alt 437 m D+ cumulé 711 m25.4 KMKnickerbocker BS07 · Pilot Hill KM 30.3 — Alt 449 m D+ cumulé 831 m30.3 KMPilot HillS08 · Catecroft KM 32.9 — Alt 446 m D+ cumulé 860 m32.9 KMCatecroftS09 · Knickerbocker C KM 36.8 — Alt 437 m D+ cumulé 931 m36.8 KMKnickerbocker CS10 · Cool A 2 KM 40.2 — Alt 464 m D+ cumulé 979 m40.2 KMCool A 2S11 · The Ranch A 2 KM 47.3 — Alt 456 m D+ cumulé 1212 m47.3 KMThe Ranch A 2S12 · Dam 2 KM 54.2 — Alt 365 m D+ cumulé 1427 m54.2 KMDam 2S13 · Knickerbocker A 2 KM 56.2 — Alt 437 m D+ cumulé 1517 m56.2 KMKnickerbocker A 2S14 · The Ranch B 2 KM 59.8 — Alt 457 m D+ cumulé 1616 m59.8 KMThe Ranch B 2S15 · Cool B 2 KM 61.6 — Alt 464 m D+ cumulé 1650 m61.6 KMCool B 2S16 · Knickerbocker B 2 KM 65.6 — Alt 436 m D+ cumulé 1690 m65.6 KMKnickerbocker B 2S17 · Pilot Hill 2 KM 70.6 — Alt 449 m D+ cumulé 1812 m70.6 KMPilot Hill 2S18 · Catecroft 2 KM 73.1 — Alt 446 m D+ cumulé 1839 m73.1 KMCatecroft 2S19 · Knickerbocker C 2 KM 77.1 — Alt 437 m D+ cumulé 1918 m77.1 KMKnickerbocker C 2S20 · Cool A 3 KM 80.5 — Alt 464 m D+ cumulé 1967 m80.5 KMCool A 3S21 · The Ranch A 3 KM 87.6 — Alt 456 m D+ cumulé 2203 m87.6 KMThe Ranch A 3S22 · Dam 3 KM 94.5 — Alt 365 m D+ cumulé 2416 m94.5 KMDam 3S23 · Knickerbocker A 3 KM 96.4 — Alt 438 m D+ cumulé 2506 m96.4 KMKnickerbocker A 3S24 · The Ranch B3 KM 100.0 — Alt 456 m D+ cumulé 2608 m100.0 KMThe Ranch B3Start0 KMFinish101.9 KM

The course and its aid stations

Loading track…
GPX

Cool Moon 100k: 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 15h13 to 9h05, and the aid-station stop budget from 0h51 to 0h17. The longer the race, the more stops weigh: this is time you should plan to spend standing still, not only running.

SourceUTMB® Index
0h000h361h111h472h223005007009001000UTMB® Index
Estimated time, stop time and fuelling needs on Cool Moon 100k by UTMB Index
UTMB® IndexEstimated timeOf which stopsNight hoursCarbsFluidSodiumCut-off margin
50015h130h512913 g10.7 L7,609 mg+21h47
55013h530h422833 g9.7 L6,944 mg+23h07
60012h260h342746 g8.7 L6,218 mg+24h34
65011h270h282687 g8 L5,728 mg+25h33
70010h350h242635 g7.4 L5,292 mg+26h25
7509h450h202585 g6.8 L4,874 mg+27h15
8009h050h172545 g6.4 L4,544 mg+27h55

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

Cool Moon 100k is 102 km and 2,643 m of elevation gain, that's 128 km-effort: category L, among 87 races in 2027. Its time limit of 37 h requires a minimum speed of 2.8 km/h: rank 2 out of 83 of the widest cut-off times in L.

L ultra-trails 2027: 115 to 154 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 — Cool Moon 100k

Weather for Cool Moon 100k

The weather for Cool Moon 100k 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 Cool Moon 100k, hour by hour on the course

Frequently asked questions

How many checkpoints?

Cool Moon 100k has 25 checkpoints: 19 aid stations, 5 water points, and 1 checkpoint with undocumented contents. Details are in the two tables above.

What's the longest segment without aid?

The one leading to The Ranch A 2: 7.1 km and 233 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?

Cool Moon 100k is 102 km long with 2643 m of elevation gain.

How long to finish?

With a UTMB Index of 600 (average runner), the estimated time is around 12h26 for Cool Moon 100k.

What's the weather forecast?

The weather for Cool Moon 100k 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 Cool Moon 100k?

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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