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Istria 100 by UTMB – 69.6 km 2027 trail running route — Croatia · Istria County

Croatia · Istria County

Distance

70 km

Date

Entry fee

146

€ / km

€2.10

Istria 100 by UTMB – 69.6 km

Elevation and Terrain

Total Meters

2,331m

D+/KM

33.5m/km

For context, the Tor des Géants 330 loop has 73 D+/km.

Avg Uphill Gradient

11.0%

Avg Downhill Gradient

-9.1%

Uphill gradient distribution

Istria 100 by UTMB – 69.6 km 70 km — uphill gradient distribution (GPX-derived, analysed 2026-05-02)
2–5%
6.2 km
5–10%
5.2 km
10–15%
4.2 km
15–20%
3.3 km
20%+
2.9 km

Route Profile

Analysed

Terrain breakdown

Istria 100 by UTMB – 69.6 km 70 km — terrain breakdown (GPX-derived, analysed 2026-05-02)
31.5%Uphill
30.0%Flat
38.6%Downhill

Terrain

CoastalPre-Alpine

Istria 100 by UTMB – 69.6 km 70km Top Climbs

Top Climbs

Istria 100 by UTMB – 69.6 km 70 km — top climbs (GPX-derived, analysed 2026-05-02)
1

2.8 km · 381 m gain

starts km 19 · avg 13.6% · max 34.4%

2

2.6 km · 359 m gain

starts km 32 · avg 14.1% · max 30.4%

3

5.6 km · 267 m gain

starts km 38 · avg 4.8% · max 24.7%

Top descents

Istria 100 by UTMB – 69.6 km 70 km — top descents (GPX-derived, analysed 2026-05-02)
1

4.1 km · 378 m drop

starts km 21 · avg -9.3% · max -28.4%

2

2.9 km · 328 m drop

starts km 11 · avg -11.5% · max -24.4%

3

3.6 km · 247 m drop

starts km 28 · avg -7.0% · max -29.6%

Istria 100 by UTMB – 69.6 km 70km GPX

Getting to Istria 100 by UTMB – 69.6 km

Nearest airport

Pula (PUY) / Trieste (TRS) / Ljubljana (LJU)

Notes

Start: ~0.75–2.0 hrs drive; event hub is Umag; the 168K distance runs Labin→Umag / Public transport: possible via bus/train to Pula or Trieste then bus; car easiest / Accommodation: strong in coastal towns; more limited inland

Last checked: Official Website →

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