Bulgaria · Smolyan Province
K3 Ultra
Distance
43 km
Date
September 26, 2026
Entry fee
62 EUR
€ / km
€1.44
Borderland adventure in the Rhodopes: rugged ridges, remote trails, and a true small-town Bulgarian ultra.
Elevation and Terrain
Total Meters
2500m
D+/KM
58.14m/km
For context, the Tor des Géants 330 loop has 73 D+/km.
Avg Uphill Gradient
11.9%
Avg Downhill Gradient
-10.7%
Uphill gradient distribution
Route Profile
Analysed 2026-05-02Terrain breakdown
Terrain
Climbs
Top climbs
5.3 km · 259 m gain
starts km 6 · avg 4.9% · max 32.3%
4.9 km · 254 m gain
starts km 14 · avg 5.2% · max 36.3%
2.5 km · 229 m gain
starts km 2 · avg 9.2% · max 36.3%
Top descents
7.8 km · 500 m drop
starts km 34 · avg -6.4% · max -34.5%
9.3 km · 406 m drop
starts km 24 · avg -4.4% · max -26.5%
2.1 km · 129 m drop
starts km 4 · avg -6.0% · max -27.3%
Race files
Logistics
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)
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.
