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K3 Ultra – 63 km 2026 trail running route — Bulgaria · Smolyan Province

Bulgaria · Smolyan Province

Distance

63 km

Date

Entry fee

€67

€ / km

€1.06

K3 Ultra – 63 km

Elevation and Terrain

Total Meters

2,500m

D+/KM

39.7m/km

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

Avg Uphill Gradient

10.6%

Avg Downhill Gradient

-10.5%

Uphill gradient distribution

K3 Ultra – 63 km 63 km — uphill gradient distribution (GPX-derived, analysed 2026-05-02)
2–5%
6.4 km
5–10%
8.8 km
10–15%
5.2 km
15–20%
2.2 km
20%+
2.8 km

Route Profile

Analysed

Terrain breakdown

K3 Ultra – 63 km 63 km — terrain breakdown (GPX-derived, analysed 2026-05-02)
41.2%Uphill
16.5%Flat
42.3%Downhill

Terrain

Pre-Alpine

K3 Ultra – 63 km 63km Top Climbs

Top Climbs

K3 Ultra – 63 km 63 km — top climbs (GPX-derived, analysed 2026-05-02)
1

10.6 km · 660 m gain

starts km 0 · avg 6.2% · max 58.1%

2

4.2 km · 415 m gain

starts km 20 · avg 9.8% · max 59.2%

3

5.3 km · 260 m gain

starts km 25 · avg 4.9% · max 31.1%

Top descents

K3 Ultra – 63 km 63 km — top descents (GPX-derived, analysed 2026-05-02)
1

7.8 km · 500 m drop

starts km 54 · avg -6.4% · max -34.9%

2

5.9 km · 282 m drop

starts km 47 · avg -4.8% · max -24.4%

3

3.8 km · 231 m drop

starts km 16 · avg -6.0% · max -37.1%

K3 Ultra – 63 km 63km GPX

Getting to K3 Ultra – 63 km

Nearest airport

Plovdiv (PDV)

Notes

Start: ~2.5–3.5 hrs drive to Zlatograd / Public transport: limited; bus to Smolyan/Zlatograd area + taxi / Accommodation: small-town hotels/guesthouses; book early (limited inventory)

Remote location icon

FAR

It’ll possibly take 3+ hours from the closest large airport to arrive. Plan your adventure accordingly, take an extra day for those after-race beers or Curranz.

Last checked: Official Website →

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