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Istria 100 by UTMB – 168.2 km 2027 trail running route — Croatia · Istria County

Croatia · Istria County

Distance

168 km

Date

Entry fee

304

€ / km

€1.81

Istria 100 by UTMB – 168.2 km

Elevation and Terrain

Total Meters

7,140m

D+/KM

42.4m/km

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

Avg Uphill Gradient

11.0%

Avg Downhill Gradient

-10.4%

Uphill gradient distribution

Istria 100 by UTMB – 168.2 km 168 km — uphill gradient distribution (GPX-derived, analysed 2026-05-02)
2–5%
15.3 km
5–10%
18.7 km
10–15%
11.7 km
15–20%
8.4 km
20%+
7.8 km

Route Profile

Analysed

Terrain breakdown

Istria 100 by UTMB – 168.2 km 168 km — terrain breakdown (GPX-derived, analysed 2026-05-02)
37.1%Uphill
22.3%Flat
40.6%Downhill

Terrain

CoastalPre-Alpine

Istria 100 by UTMB – 168.2 km 168km Top Climbs

Top Climbs

Istria 100 by UTMB – 168.2 km 168 km — top climbs (GPX-derived, analysed 2026-05-02)
1

14.5 km · 1,319 m gain

starts km 34 · avg 9.1% · max 55.8%

2

6.7 km · 773 m gain

starts km 16 · avg 11.6% · max 38.8%

3

5.4 km · 463 m gain

starts km 5 · avg 8.6% · max 26.1%

Top descents

Istria 100 by UTMB – 168.2 km 168 km — top descents (GPX-derived, analysed 2026-05-02)
1

5.5 km · 528 m drop

starts km 29 · avg -9.6% · max -32.6%

2

4.9 km · 522 m drop

starts km 88 · avg -10.7% · max -41.4%

3

5.6 km · 508 m drop

starts km 47 · avg -9.0% · max -34.1%

Istria 100 by UTMB – 168.2 km 168km GPX

Getting to Istria 100 by UTMB – 168.2 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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