E101 Ultra Trail

UTMB World Series

69.0km·4300m+

July 19

Grindelwald,

Switzerland

utmb·source

Set your ITRA PI

Estimated Finish

11:02:41

ITRA PI

Segment Details

1/95

+2.1% · 1.19km · 39m+ · 14m-

1068m1038m

0.00km1.19km

Track Category · OSM

Extreme0%

Technical0%

Trail0%

Smooth0%

Road100%

Unknown0%

Road

OSM ↗

highway

tertiary 90%pedestrian 10%

surface

asphalt 90%paving_stones 10%

area

yes

cycleway:both

lane_markings

lanes

maxspeed

sidewalk

both 35%left 4%

Elevation Profile

1.0×

Trail 63% · Extreme 1%Extreme 1%

0.7TDI

67.1km

100.5FlatKM

4411m+

4416m−

2392max

921min

1.0×

OSM

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

43% / 28.6km9% / 6.0km48% / 32.4km

Uphill

>40%×20.6km

30–40%×21.1km

25–30%×10.4km

20–25%×33.5km

15–20%×97.2km

10–15%×95.3km

3–10%×1110.5km

Downhill

30–40%×20.4km

25–30%×20.7km

20–25%×94.0km

15–20%×78.3km

10–15%×74.8km

3–10%×2014.2km

Peaks for this course have not been detected yet.

Skyrunning · ISFSource

ISF technical requirements

Average incline6.6%> 6.0%

Steep sections (30%+)2.9%≥ 5.0%

Max altitude2392 m> 2000 m

Vertical climb4411 m> 1300 m

Asphalt23.2%< 15.0%

UIAA Technical climbing0.1 kmGrade I–II

Possible level

1+23

estimated · high confidence

Level 10/1

Peak reachno detection

Level 21/3

Altitude ≥ 3000 m2392 m

Scrambling88 m

Rocky footing0 m

Level 31/3

Via ferrata0 m

Glacier0 m

Exposed ridge^*48 m

* feature detected but below the confident-length floor

About E101 Ultra Trail

E101 Ultra Trail is a 69.0 km ultra trail of Eiger Ultra Trail by UTMB 2025 in Grindelwald, Switzerland. The race starts on July 19, 2025. The course climbs 4300 m+ and descends 4416 m−, between a low point of 921 m and a high point of 2392 m. By gradient, 43% of the distance is uphill, 48% downhill and 9% flat. The longest climb runs 6.0 km at an average 18.1% grade (1078 m of vertical). The longest descent runs 8.0 km at 13.1% (1056 m of vertical). Surface: 64% trail, 23% road, 8% smooth, and 5% technical. Flat-equivalent effort: 100.5 FlatKM.

620 finishers completed the 2025 edition. Men's winner: Tomáš Fárník (Czech Republic) in 7:13:12. Women's winner: Daniela Oemus (Germany) in 8:11:21.

This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for E101 Ultra Trail.

Other distances of Eiger Ultra Trail by UTMB 2025E250 - UNESCO Trail (250 km)·E51 Panorama Trail (41.0 km)·E35 - North Face Trail (33.0 km)·E16 - Pleasure Trail (16.0 km)·Trail Surprise (15.0 km)

Other editions of E101 Ultra Trail2026

Official websiteeiger.utmb.world