XTERRA O-SEE Ultra Trail 100.2 km trail running route — Germany · Saxony (Zittau Mountains Nature Park)

Germany · Saxony (Zittau Mountains Nature Park)

XTERRA O-SEE Ultra Trail

Distance

100.2 km

Date

October 16, 2026

Entry fee

130 EUR

€ / km

€1.30

Saxon Switzerland edge: technical trails, rocky scenery, and a tough 100K near the Czech border.

Elevation and Terrain

Total Meters

3451m

D+/KM

34.44m/km

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

Avg Uphill Gradient

12.0%

Avg Downhill Gradient

-11.9%

Uphill gradient distribution

2–5%
9.1 km
5–10%
10.7 km
10–15%
7.9 km
15–20%
5.4 km
20%+
6.6 km

Route Profile

Analysed 2026-05-02

Terrain breakdown

40%Uphill20%Flat40%Downhill

Terrain

ForestPre-Alpine

Climbs

XTERRA O-SEE Ultra Trail climbs and descents profile

Top climbs

1

6.1 km · 354 m gain

starts km 75 · avg 5.8% · max 54.9%

2

2.8 km · 258 m gain

starts km 66 · avg 9.2% · max 44.1%

3

4.1 km · 254 m gain

starts km 28 · avg 6.2% · max 43.6%

Top descents

1

6.0 km · 273 m drop

starts km 45 · avg -4.6% · max -29.5%

2

5.0 km · 269 m drop

starts km 69 · avg -5.3% · max -45.3%

3

3.2 km · 252 m drop

starts km 36 · avg -8.0% · max -46.8%

Race files

Logistics

Nearest airport

Dresden (DRS) / Prague (PRG)

Notes

Start: ~1–2.5 hrs drive to Zittau Olbersdorfer See area / Public transport: train to Zittau possible; last-mile short taxi or walk / Accommodation: limited in Zittau region on race weekend; book early

Last checked: March 4, 2026Official Website →