Trail RunningUTMB Index Races

K3 Ultra Gold Border Race

Trail Running covering 12.1 km to 83 km with up to 3,660 m D+ in Zlatograd (Smolyan, Bulgaria)

LocationZlatograd, Smolyan, BulgariaShow on map(41.3798° N, 25.0965° E)
Date & StatusDate to be announcedDate TBA
First edition2019
Elevation gainUp to +3,660 m

K3 Ultra Gold Border Race is an endurance sporting event in Zlatograd, Smolyan, BG 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 Mountain, Nature & Off-Road, High Altitude.

The race program comprises 5 competitions, including GBR85 (83 km, +3,660 m D+), GBR63 (64 km, +1,830 m D+), GBR 43 (42 km, +1,400 m D+), GBR23 (22 km, +1,050 m D+), and GBR13 (12.1 km, +455 m D+). The exact date for the next edition is currently open and will be announced by the organizer. Official race regulations, course details, and registration information are provided on the organizer's website (k3ultra.bg).

Official website
K3 Ultra Gold Border Race in Zlatograd (Work: "View towards Kasprowy Peak", Photo: Kris Sliver, License: CC BY-SA 3.0, Source: Wikimedia Commons)
"View towards Kasprowy Peak" · Photo: Kris Sliver · Wikimedia CommonsCC BY-SA 3.0
Cropped to 16:9 (960 × 540 px), WebP · Shared under the same license

Event characteristics

MountainNature & Off-RoadHigh Altitude

Races & distances (5)

CompetitionDisciplineDistanceElevation gainAltitude rangeCourse typeCourse & profile
GBR85Trail Running83 km+3,660 m1,150 m - 2,687 mLoop courseRoute & profile
GBR63Trail Running64 km+1,830 m1,153 m - 1,922 mLoop courseRoute & profile
GBR 43Trail Running42 km+1,400 m1,156 m - 1,744 mLoop courseRoute & profile
GBR23Trail Running22 km+1,050 m1,159 m - 1,600 mLoop courseRoute & profile
GBR13Trail Running12.1 km+455 m1,162 m - 1,353 mLoop courseRoute & profile
Course & Elevation Telemetry

Course route & map

Distance
83 km
Elevation gain
+3,660 m D+
Elevation loss
-3,660 m D-
Altitude range
1,150 m - 2,687 m
Gradient (Avg / Max)
8.8 % / 15.8 %
Course format
Loop course
83 km+3,660 m D+
Start (S)Finish (F)
N204060FS41.3799° N, 25.0965° E

Elevation profile & course telemetry

Altitude from 1,150 m to 2,687 m above sea level (+3,660 m D+, -3,660 m D-)

Peak: 2,687 m·at 42.3 km·Ø 8.8 %
1,150 m1,662 m2,175 m2,687 m0 km16.6 km33.2 km49.8 km66.4 km83 km2,687 m
Event Information & Answers

Frequently asked questions (FAQ)

When and where does K3 Ultra Gold Border Race take place?

K3 Ultra Gold Border Race takes place in Zlatograd, Smolyan, BG (start area at coordinates 41.3798° N, 25.0965° E). The exact date for the next edition is currently open and will be announced by the organizer.

What races and distances are offered at K3 Ultra Gold Border Race?

The race program comprises 5 competitions, including GBR85 (83 km, +3,660 m D+), GBR63 (64 km, +1,830 m D+), GBR 43 (42 km, +1,400 m D+), GBR23 (22 km, +1,050 m D+), and GBR13 (12.1 km, +455 m D+). The competitions belong to Trail Running.

What is the course layout and elevation profile for K3 Ultra Gold Border Race?

The main competition (GBR85 over 83 km) is designed as a loop course featuring +3,660 m of elevation gain and -3,660 m of elevation loss, ranging between 1,150 m and 2,687 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 K3 Ultra Gold Border Race?

Official race regulations, course details, and registration information are provided on the organizer's website (k3ultra.bg).