Slovakia · Trenčín Region
Letecká 100
Distance
106 km
Date
March 7, 2026
Entry fee
82 EUR
€ / km
€0.77
Slovak 100K tradition: runnable terrain, night miles, and a classic Central Europe ultra culture.
Elevation and Terrain
Total Meters
3590m
D+/KM
33.87m/km
For context, the Tor des Géants 330 loop has 73 D+/km.
Avg Uphill Gradient
9.5%
Avg Downhill Gradient
-9.6%
Uphill gradient distribution
Route Profile
Analysed 2026-05-02Terrain breakdown
Terrain
Climbs
Top climbs
6.3 km · 600 m gain
starts km 68 · avg 9.5% · max 26.3%
4.3 km · 319 m gain
starts km 52 · avg 7.3% · max 63.9%
2.6 km · 317 m gain
starts km 92 · avg 12.0% · max 30.9%
Top descents
7.3 km · 683 m drop
starts km 84 · avg -9.4% · max -40.2%
5.8 km · 404 m drop
starts km 94 · avg -6.9% · max -30.7%
3.3 km · 303 m drop
starts km 36 · avg -9.0% · max -38.8%
Race files
Logistics
Nearest airport
Bratislava (BTS) / Vienna (VIE)
Notes
Start: ~20–60 min to Bratislava start areas (TODO: verify 2026 venue) / Public transport: excellent city transit / Accommodation: very strong in Bratislava; easiest logistics
