CCC

UTMB World Series

101.0km·6100m+/6050m−

August 29, 07:00 AM

Chamonix,

France

utmb·source

Set your ITRA PI

Estimated Finish

17:39:24

ITRA PI

Segment Details

1/12

+0.5% · 1.05km · 22m+ · 16m-

1229m1211m

0.00km1.05km

OSM ↗

highway

pedestrian 46%steps 15%tertiary 10%residential 9%unclassified 2%

surface

paving_stones 59%asphalt 10%

lit

yes

sac_scale

hiking

motor_vehicle

permit

landuse

residential

lanes

maxspeed

20 46%30 10%

old_ref

SS26dir

oneway

yes

sidewalk

both

sidewalk:both:kerb

sidewalk:both:surface

asphalt

Elevation Profile

Trail 79% · Extreme 1%Extreme 1%

0.9TDI

99.4km

147.8FlatKM

5857m+

6045m−

2566max

1039min

1:54

9.3km

0:29

4.3km

1:40

12.6km

1:11

4.5km

1:09

9.8km

1:53

13.6km

2:16

11.2km

0:45

5.3km

1:14

3.7km

1:32

8.2km

2:32

11.0km

1:07

5.8km

OSM

AID

Distance

Time

Gain

Loss

Gels

Water

Salts

Segment

9.3km/9.3km

1:54/1:54

1415m+

150m−

1.9×40g(75g)

1.4L

4(800mg)

13.5km/4.3km

2:22/0:29

71m+

526m−

0.5×40g(19g)

0.4L

1(200mg)

26.2km/12.6km

4:02/1:40

483m+

653m−

1.6×40g(66g)

1.3L

3(600mg)

30.6km/4.5km

5:13/1:11

693m+

92m−

1.2×40g(47g)

0.9L

2(400mg)

40.5km/9.8km

6:22/1:09

98m+

992m−

1.1×40g(46g)

0.9L

2(400mg)

54.1km/13.6km

8:15/1:53

628m+

719m−

1.9×40g(75g)

1.4L

4(800mg)

65.3km/11.2km

10:31/2:16

792m+

441m−

2.2×40g(90g)

1.7L

5(1000mg)

70.6km/5.3km

11:15/0:45

90m+

613m−

0.7×40g(29g)

0.6L

1(200mg)

74.4km/3.7km

12:29/1:14

731m+

3m−

1.2×40g(49g)

0.9L

2(400mg)

82.6km/8.2km

14:01/1:32

132m+

853m−

1.5×40g(61g)

1.1L

3(600mg)

93.6km/11.0km

16:33/2:32

956m+

544m−

2.5×40g(100g)

1.9L

5(1000mg)

99.4km/5.8km

17:39/1:07

45m+

726m−

0.6×40g(24g)

0.8L

2(400mg)

AID

Distance

Time

Gels

Water

Salts

Gradient Matrix

Extra

Select a gradient

Uphill

Downhill

>40%

30%

25%

20%

15%

10%

0.5

0.3

0.2

0.3

0.5

Uphill

>40%

30%

25%

20%

15%

10%

0.2

0.3

0.5

10%

15%

20%

25%

30%

>40%

Downhill

Technical sections presentDarker — steeper and longer

Extremes

Gradient Breakdown

37% / 36.5km17% / 17.1km46% / 45.8km

Uphill

30–40%×32.6km

25–30%×43.0km

20–25%×74.4km

15–20%×96.0km

10–15%×107.2km

3–10%×1713.3km

Downhill

30–40%×31.1km

25–30%×52.6km

20–25%×63.0km

15–20%×84.8km

10–15%×1314.3km

3–10%×2020.0km

Peaks for this course have not been detected yet.

Skyrunning · ISFSource

ISF technical requirements

Average incline5.9%> 6.0%

Steep sections (30%+)3.3%≥ 5.0%

Max altitude2566 m> 2000 m

Vertical climb5857 m> 1300 m

Asphalt11.3%< 15.0%

UIAA Technical climbing0.0 kmGrade I–II

Possible level

1+23

estimated · high confidence

Level 10/1

Peak reachno detection

Level 22/3

Altitude ≥ 3000 m2566 m

Scrambling42 m

Rocky footing586 m

Level 30/3

Via ferrata0 m

Glacier0 m

Exposed ridge0 m

About CCC

CCC is a 101 km ultra trail of HOKA UTMB Mont-Blanc 2025 in Chamonix, France. The race starts on August 29, 2025 at 07:00 AM. The time limit is 26 h 30 min. The course climbs 6100 m+ and descends 6050 m−, between a low point of 1039 m and a high point of 2566 m. By gradient, 37% of the distance is uphill, 46% downhill and 17% flat. The longest climb runs 5.0 km at an average 15.4% grade (768 m of vertical). The longest descent runs 5.5 km at 15.1% (830 m of vertical). Surface: 80% trail, 11% road, and 5% technical. Flat-equivalent effort: 147.8 FlatKM.

1,641 finishers completed the 2025 edition. Men's winner: Francesco Puppi (Italy) in 10:06:02. Women's winner: Martyna Mlynarczyk (Poland) in 11:41:55.

This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for CCC.

Other distances of HOKA UTMB Mont-Blanc 2025UTMB (176 km)·TDS (153 km)·OCC (57.0 km)·MCC (40.0 km)·ETC (15.0 km)·YCC (15.0 km)

Other editions of CCC2026

Official websitemontblanc.utmb.world