Czech Republic · Hradec Králové Region (Krkonoše)
Krakonošova 100
Distance
100.1 km
Date
June 19, 2026
Entry fee
1,540 CKZ
€ / km
€0.63
New date pending
This race has already occurred. A new date for next year’s edition is pending.
Giant Mountains grind: long climbs, classic Czech trail culture, and a 100K with real bite.
Elevation and Terrain
Total Meters
3914m
D+/KM
39.1m/km
For context, the Tor des Géants 330 loop has 73 D+/km.
Avg Uphill Gradient
10.2%
Avg Downhill Gradient
-9.7%
Uphill gradient distribution
Route Profile
Analysed 2026-05-02Terrain breakdown
Terrain
Climbs
Top climbs
6.9 km · 700 m gain
starts km 72 · avg 10.1% · max 25.4%
6.7 km · 533 m gain
starts km 0 · avg 7.9% · max 22.8%
4.3 km · 431 m gain
starts km 26 · avg 9.9% · max 26.7%
Top descents
6.5 km · 769 m drop
starts km 33 · avg -11.9% · max -34.2%
4.3 km · 481 m drop
starts km 42 · avg -11.1% · max -20.5%
4.3 km · 433 m drop
starts km 85 · avg -10.0% · max -24.6%
How Hard Is the Krakonošova 100 (K100)? (39 m/km, Sněžka at Night, and the Back-Quarter Climb That Decides the Race)
Q: How hard is the Krakonošova 100 (K100)? | A: Hard by 100K standards. The course covers 100.1km with 3,914m of gain (~39m/km), including the Sněžka summit (1,603m, highest point in Czech Republic and Poland) at approximately km 33, reached around 3 AM. The biggest descent drops 769m over 6.48km at 11.87% average — in complete darkness. Distance-weighted average gradients are 10.18% uphill and 9.70% downhill. 24-hour time limit; implied DNF rate 32–46%.
Course Profile — Vrchlabí Night Start, Sněžka Summit at km 33, and the 769 m Descent in Darkness
Q: Is the Krakonošova 100 a UTMB qualifier? | A: Yes — the K100 carries UTMB Index 100K qualifying status and appears on the official site as a Western States Endurance Run qualifying race. Verify current Western States status at wser.org before registering.
€0.63 per Kilometre for a UTMB Index and Western States Qualifying 100K
Q: Is the Krakonošova 100 sold out for 2026? | A: Yes — confirmed full as of May 19, 2026. Participant-to-participant transfer is available via the official Sportchallenge.cz registration system. The race consistently sells out its 500-place capacity well before June.
Getting to Krakonošova 100: Prague, the Giant Mountains, and Why This Race Sells Out in Spring
Q: Which airport should I use for the Krakonošova 100? | A: Prague (PRG) is the primary airport at approximately 128 minutes from Vrchlabí. Wrocław (WRO) and Dresden (DRS) are alternatives at approximately 2–3 hours. Train and bus connections to Vrchlabí are feasible; a last-mile taxi from the nearest station helps. Strong accommodation in nearby ski resorts (Špindlerův Mlýn, Pec pod Sněžkou) — book early in summer.
Race files
Logistics
Nearest airport
Prague (PRG) / Wrocław (WRO) / Dresden (DRS)
Notes
Start: ~2.0–3.0 hrs to Krkonoše start town (Vrchlabí or Špindlerův Mlýn area; TODO: verify) / Public transport: train/bus feasible to Vrchlabí; last-mile taxi helpful / Accommodation: strong in ski resorts; book early (summer)
