Trail RunningUTMB Index Races

XTERRA O-SEE Ultra Marathon

Trail Running covering 16.9 km to 65 km with up to 2,620 m D+ in Oybin (Saxony, Germany)

LocationOybin, Saxony, GermanyShow on map(50.8368° N, 14.7458° E)
Date & StatusOctober 16, 2027Date confirmed
First edition2019
Elevation gainUp to +2,620 m

XTERRA O-SEE Ultra Marathon is an endurance sporting event in Oybin, Saxony, DE focused on Trail Running. First held in 2019, the event is an established fixture on the endurance calendar. It is part of UTMB Index Races. Key features include Nature & Off-Road, Mountain, Kids & Youth Races, High Altitude.

The race program comprises 4 competitions, including O-SEE 65K (65 km, +2,620 m D+), O-SEE 50K (50.3 km, +2,120 m D+), O-SEE 25K (25.3 km, +1,050 m D+), and O-SEE 15K (16.9 km, +590 m D+). The next edition is officially confirmed for October 16, 2027. Official race regulations, course details, and registration information are provided on the organizer's website (o-see-ultratrail.de).

Official website
XTERRA O-SEE Ultra Marathon in Oybin (Work: "Elbe in Saxon Switzerland", Photo: Pudelek, License: CC BY-SA 4.0, Source: Wikimedia Commons)
"Elbe in Saxon Switzerland" · Photo: Pudelek · Wikimedia CommonsCC BY-SA 4.0
Cropped to 16:9 (960 × 540 px), WebP · Shared under the same license

Event characteristics

Nature & Off-RoadMountainKids & Youth RacesHigh AltitudeLakes & Ponds

Races & distances (4)

CompetitionDisciplineDistanceElevation gainAltitude rangeCourse typeCourse & profile
O-SEE 65KTrail Running65 km+2,620 m1,150 m - 2,250 mLoop courseRoute & profile
O-SEE 50KTrail Running50.3 km+2,120 m1,153 m - 2,043 mLoop courseRoute & profile
O-SEE 25KTrail Running25.3 km+1,050 m1,156 m - 1,597 mLoop courseRoute & profile
O-SEE 15KTrail Running16.9 km+590 m1,159 m - 1,407 mLoop courseRoute & profile
Course & Elevation Telemetry

Course route & map

Distance
65 km
Elevation gain
+2,620 m D+
Elevation loss
-2,620 m D-
Altitude range
1,150 m - 2,250 m
Gradient (Avg / Max)
8.1 % / 14.6 %
Course format
Loop course
65 km+2,620 m D+
Start (S)Finish (F)
N102030405060FS50.8368° N, 14.7458° E

Elevation profile & course telemetry

Altitude from 1,150 m to 2,250 m above sea level (+2,620 m D+, -2,620 m D-)

Peak: 2,250 m·at 20.1 km·Ø 8.1 %
1,150 m1,517 m1,883 m2,250 m0 km13 km26 km39 km52 km65 km2,250 m
Event Information & Answers

Frequently asked questions (FAQ)

When and where does XTERRA O-SEE Ultra Marathon take place?

XTERRA O-SEE Ultra Marathon takes place in Oybin, Saxony, DE (start area at coordinates 50.8368° N, 14.7458° E). The next edition is officially confirmed for October 16, 2027.

What races and distances are offered at XTERRA O-SEE Ultra Marathon?

The race program comprises 4 competitions, including O-SEE 65K (65 km, +2,620 m D+), O-SEE 50K (50.3 km, +2,120 m D+), O-SEE 25K (25.3 km, +1,050 m D+), and O-SEE 15K (16.9 km, +590 m D+). The competitions belong to Trail Running.

What is the course layout and elevation profile for XTERRA O-SEE Ultra Marathon?

The main competition (O-SEE 65K over 65 km) is designed as a loop course featuring +2,620 m of elevation gain and -2,620 m of elevation loss, ranging between 1,150 m and 2,250 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.

Where can I find registration and official race rules for XTERRA O-SEE Ultra Marathon?

Official race regulations, course details, and registration information are provided on the organizer's website (o-see-ultratrail.de).