Z101

Ultraks Trail Series

101.0km·8500m+

September 5

Mayrhofen,

Austria

itra·source

Set your ITRA PI

Estimated Finish

21:13:46

ITRA PI

Segment Details

1/127

+0.4% · 3.00km · 41m+ · 28m-

659m633m

0.00km3.00km

Track Category · OSM

Extreme0%

Technical0%

Trail0%

Smooth16%

Road73%

Unknown11%

Road

OSM ↗

highway

tertiary 42%residential 20%track 16%secondary 5%primary 4%unclassified 1%

tracktype

grade2

bridge

yes

surface

asphalt 66%compacted 16%

smoothness

excellent

lit

yes

cycleway:both

cycleway:left

lane

cycleway:left:lane

exclusive 4%advisory 2%

cycleway:left:oneway

-1

cycleway:right

landuse

residential

lane_markings

lanes

2 9%1 4%

layer

maxspeed

30 40%50 18%

maxspeed:type

AT:zone30 7%AT:urban 4%

maxweight:signed

oneway

yes 10%no 3%

oneway:bicycle

piste:type

connection

sidewalk

both 39%right 12%no 4%

sidewalk:both:surface

asphalt

Elevation Profile

1.0×

Trail 63% · Extreme 3%Extreme 3%

0.9TDI

103.8km

174.3FlatKM

7666m+

7661m−

3097max

633min

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

44% / 45.4km15% / 16.1km41% / 42.3km

Uphill

>40%×10.3km

30–40%×43.4km

25–30%×75.2km

20–25%×53.6km

15–20%×911.2km

10–15%×106.5km

3–10%×1415.1km

Downhill

>40%×51.5km

30–40%×84.8km

25–30%×43.8km

20–25%×75.7km

15–20%×85.7km

10–15%×118.2km

3–10%×1812.7km

Peaks for this course have not been detected yet.

Skyrunning · ISFSource

ISF technical requirements

Average incline7.4%> 6.0%

Steep sections (30%+)9.6%≥ 5.0%

Max altitude3097 m> 2000 m

Vertical climb7666 m> 1300 m

Asphalt12.5%< 15.0%

UIAA Technical climbing21.5 kmGrade I–II

Possible level

12+3

estimated · high confidence

Level 10/1

Peak reachno detection

Level 23/3

Altitude ≥ 3000 m3097 m

Scrambling21468 m

Rocky footing403 m

Level 32/3

Via ferrata625 m

Glacier0 m

Exposed ridge761 m

About Z101

Z101 is a 101 km sky ultra of Mayrhofen Ultraks Zillertal 2025 in Mayrhofen, Austria. The race starts on September 5, 2025. The course climbs 8500 m+ and descends 7661 m−, between a low point of 633 m and a high point of 3097 m. By gradient, 44% of the distance is uphill, 41% downhill and 15% flat. The longest climb runs 8.9 km at an average 16.4% grade (1453 m of vertical). The longest descent runs 10.6 km at 17.5% (1851 m of vertical). Surface: 63% trail, 18% technical, and 13% road. Flat-equivalent effort: 174.3 FlatKM.

This page has the interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Z101.

Other distances of Mayrhofen Ultraks Zillertal 2025TUX070 (69.9 km)·RK50 (51.8 km)·MUZ30 (30.9 km)·MUZ14 (14.5 km)·Mountopolis Vertical (8.5 km)·Sprint (7.0 km)

Other editions of Z1012026

Official websitemayrhofen.ultraks.com