Pirin Extreme 38K

38.0km·3300m+

September 12

Bansko Ski Resort,

Bulgaria

source

Set your ITRA PI

Estimated Finish

7:46:09

ITRA PI

Segment Details

1/51

+5.4% · 3.03km · 164m+ · 0m-

1092m928m

0.00km3.03km

Track Category · OSM

Extreme0%

Technical0%

Trail25%

Smooth4%

Road26%

Unknown45%

Unknown

OSM ↗

highway

path 19%residential 13%unclassified 7%pedestrian 6%footway 3%

surface

sett 6%asphalt 3%

smoothness

intermediate 3%good 0%

lit

yes

area

yes

lanes

natural

wood

Elevation Profile

1.0×

Trail 60% · Extreme 12%Extreme 12%

3.9TDI

37.1km

76.2FlatKM

3013m+

3009m−

2891max

928min

1.0×

OSM

Gradient Matrix

Extra

3–10%3.0–5.0km+5.4%164m+3.03km

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

49% / 18.2km5% / 1.9km46% / 16.9km

Uphill

30–40%×32.6km

25–30%×10.2km

20–25%×21.7km

15–20%×53.8km

10–15%×74.6km

3–10%×65.4km

Downhill

30–40%×53.3km

25–30%×20.8km

20–25%×32.2km

15–20%×33.4km

10–15%×62.5km

3–10%×34.7km

Peaks for this course have not been detected yet.

Skyrunning · ISFSource

ISF technical requirements

Average incline8.1%> 6.0%

Steep sections (30%+)15.9%≥ 5.0%

Max altitude2891 m> 2000 m

Vertical climb3013 m> 1300 m

Asphalt9.1%< 15.0%

UIAA Technical climbing6.9 kmGrade I–II

Possible level

1+23

estimated · high confidence

Level 10/1

Peak reachno detection

Level 21/3

Altitude ≥ 3000 m2891 m

Scrambling6924 m

Rocky footing0 m

Level 31/3

Via ferrata0 m

Glacier0 m

Exposed ridge753 m

About Pirin Extreme 38K

Pirin Extreme 38K is a 38.0 km skyrace of Pirin Ultra 2025 in Bansko Ski Resort, Bulgaria. The race starts on September 12, 2025. The course climbs 3300 m+ and descends 3009 m−, between a low point of 928 m and a high point of 2891 m. By gradient, 49% of the distance is uphill, 46% downhill and 5% flat. The longest climb runs 6.4 km at an average 20.9% grade (1342 m of vertical). The longest descent runs 12.8 km at 13.9% (1779 m of vertical). Surface: 60% trail, 12% extreme, 9% road, 7% technical, and 5% smooth. Flat-equivalent effort: 76.2 FlatKM.

This page has the interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Pirin Extreme 38K.

Other distances of Pirin Ultra 2025Pirin Ultra 160K (160 km)·Pirin Ultra 66K (66.0 km)·Pirin Trail 25K (25.0 km)

Official websitewww.pirinultra.com/en