X-Alpine

UTMB World Series

141.0km·10400m+

July 10

Verbier,

Switzerland

utmb·source

Set your ITRA PI

Estimated Finish

30:00:57

ITRA PI

Segment Details

1/202

+5.1% · 0.77km · 41m+ · 1m-

1530m1490m

0.00km0.77km

Track Category · OSM

Extreme0%

Technical0%

Trail0%

Smooth0%

Road100%

Unknown0%

Road

OSM ↗

highway

living_street 50%service 37%residential 12%unclassified 1%

surface

asphalt

access

bus

yes

maxspeed

30 50%50 20%

oneway

yes

oneway:bicycle

Elevation Profile

1.0×

Trail 70% · Technical 12%Technical 12%

2.7TDI

136.5km

234.1FlatKM

9357m+

9356m−

2817max

715min

1.0×

OSM

Gradient Matrix

Extra

3–10%0.5–1.0km+5.1%39m+0.77km

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

44% / 59.4km13% / 17.5km44% / 59.6km

Uphill

>40%×20.8km

30–40%×73.5km

25–30%×63.0km

20–25%×105.8km

15–20%×118.2km

10–15%×2520.5km

3–10%×2617.5km

Downhill

>40%×30.7km

30–40%×62.0km

25–30%×73.8km

20–25%×128.4km

15–20%×149.0km

10–15%×1817.8km

3–10%×2617.9km

Peaks for this course have not been detected yet.

Skyrunning · ISFSource

ISF technical requirements

Average incline6.9%> 6.0%

Steep sections (30%+)5.1%≥ 5.0%

Max altitude2817 m> 2000 m

Vertical climb9357 m> 1300 m

Asphalt11.2%< 15.0%

UIAA Technical climbing4.7 kmGrade I–II

Possible level

1+23

estimated · high confidence

Level 10/1

Peak reachno detection

Level 21/3

Altitude ≥ 3000 m2817 m

Scrambling4675 m

Rocky footing0 m

Level 30/3

Via ferrata0 m

Glacier0 m

Exposed ridge0 m

About X-Alpine

X-Alpine is a 141 km ultra trail of Trail Verbier St-Bernard by UTMB 2025 in Verbier, Switzerland. The race starts on July 10, 2025. The course climbs 10400 m+ and descends 9356 m−, between a low point of 715 m and a high point of 2817 m. By gradient, 44% of the distance is uphill, 44% downhill and 13% flat. The longest climb runs 6.9 km at an average 19.2% grade (1326 m of vertical). The longest descent runs 11.8 km at 13.5% (1596 m of vertical). Surface: 70% trail, 12% technical, 11% road, and 7% smooth. Flat-equivalent effort: 234.1 FlatKM.

254 finishers completed the 2025 edition. Men's winner: Beñat Marmissolle (France) in 18:41:47. Women's winner: Céline Finas (France) in 24:43:09.

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

Other distances of Trail Verbier St-Bernard by UTMB 2025X-Traversee (77.0 km)·X-Plore (27.0 km)

Other editions of X-Alpine2026

Official websitetvsb.utmb.world