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UltraBulgariaSmolyan

K3 ULTRA GOLD BORDER RACE2026

26.09.2026Zlatograd (Bulgaria)
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Pacing, fueling and crew sheet for the course you pick

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4’992 m D+

101 kmGBR100longest of 5 courses

5 courses

  1. 13.6km

    533 m D+

    566 m D-

    avg 4%

    GBR13

    26.09.

    ITRA 0
    GPX

  2. 23km

    933 m D+

    909 m D-

    avg 4%

    GBR23

    26.09.

    ITRA 1UTMB Index 20K
    GPX

  3. 42km

    2’196 m D+

    2’427 m D-

    avg 5%

    GBR43

    26.09.

    ITRA 2UTMB Index 50K
    GPX

  4. 62km

    3’269 m D+

    3’179 m D-

    avg 5%

    GBR63

    26.09.

    ITRA 3UTMB Index 50K
    GPX

  5. 101km

    4’992 m D+

    5’018 m D-

    avg 5%

    GBR100

    26.09.

    ITRA 4UTMB Index 100K
    GPX

Course analysis

101 km4’992 m D+

151effort kmⓘ101 km on the map · feels like 151 km
D+
4’992 m
D−
5’018 m
Max alt.
1’323 m
Steepest
19%

Segments

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Elevation profile: GBR100

429 m — 1’323 m

Feels like these

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on K3 ULTRA GOLD BORDER RACE, in one roadbook.

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The race

The first ultramarathon whose routes cover the border part of the Rhodopes in Bulgaria. The event takes place at the end of September. The finish is in Zlatograd. The routes offer breathtaking views and adrenaline-filled sections, including ascents to the medieval fortress Kechi Kaya and various chapels.

Where to stay

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