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UltraSouth KoreaJeju

TransJeju by UTMB 2027

01.10 – 03.10.2027Jeju (South Korea)Dates to be confirmed
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4 courses · 20–148 km12.4–92 mi · up to 5’000 m D+up to 16’404 ft D+

At a glance

TransJeju by UTMB 2027 is expected from Friday 1 to Sunday 3 October 2027 in Jeju (South Korea), date to be confirmed by the organiser. 4 courses from 20 to 148 km.

Longest course: Jeju100M, 148 km with 5’000 m D+ (34 m per km: hilly terrain). It has 11 aid stations. Terrain: 58% trail, including 8 km of T3, the most technical part; 8% forest track and 29% road. Terrain data: © OpenStreetMap contributors.

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4 courses

  1. 20km12.4mi

    508 m D+1’667 ft D+

    470 m D-1’542 ft D-

    avg 3%

    Jeju20K

    1 aid station

    UTMB Index 20K1
    GPX
  2. 60km37.3mi

    1’400 m D+4’593 ft D+

    1’609 m D-5’279 ft D-

    avg 2%

    Jeju60K

    4 aid stations

    UTMB Index 50K2
    GPX
  3. 104km64.6mi

    4’000 m D+13’123 ft D+

    4’156 m D-13’635 ft D-

    avg 4%

    Jeju100K

    8 aid stations

    UTMB Index 100K3
    GPX
  4. 148km92mi

    5’000 m D+16’404 ft D+

    5’032 m D-16’509 ft D-

    avg 3%

    Jeju100M

    11 aid stations

    UTMB Index 100M4
    GPX

Course analysis

148 km92 mi5’000 m D+16’404 ft D+

198effort kmⓘ148 km on the map · feels like 198 km92 mi on the map · feels like 198 km
D+
5’000 m16’404 ft
D−
5’032 m16’509 ft
Max alt.
1’919 m6’296 ft
Steepest
28%

Segments

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Elevation profile: Jeju100M

60 m – 1’919 m197 ft – 6’296 ft

Terrain

Aid station by aid station

Terrain, climb and cutoff between each aid station.

  1. Jeju World-cup Stadium (Start) → Healing Forest (CP1) km 0 → 7.2km 0 → 4.5

    7.2 km4.5 mi · +350 m1’148 ft · −15 m49 ft

  2. Healing Forest (CP1) → Yeongsil Entrance km 7.2 → 20.3km 4.5 → 12.6

    13.1 km8.1 mi · +946 m3’104 ft · −126 m413 ft

  3. Yeongsil Entrance → Eorimok Entrance km 20.3 → 28.7km 12.6 → 17.8

    8.4 km5.2 mi · +440 m1’444 ft · −701 m2’300 ft

  4. Eorimok Entrance → Gwanumsa Entrance km 28.7 → 40.8km 17.8 → 25.4

    12.2 km7.5 mi · +180 m591 ft · −559 m1’834 ft

  5. Gwanumsa Entrance → Seongpanak Entrance km 40.8 → 58.6km 25.4 → 36.4

    17.7 km11 mi · +1’354 m4’442 ft · −1’216 m3’990 ft

  6. Seongpanak Entrance → Red oreum km 58.6 → 68.8km 36.4 → 42.8

    10.3 km6.4 mi · +53 m174 ft · −373 m1’224 ft

  7. Red oreum → Gasiri km 68.8 → 88.4km 42.8 → 54.9

    19.6 km12.2 mi · +312 m1’024 ft · −471 m1’545 ft

  8. Gasiri → Meochewat Forest Trail km 88.4 → 105.3km 54.9 → 65.4

    16.9 km10.5 mi · +268 m879 ft · −288 m945 ft

Elevation figures are measured by Kliva on the course trace. Cutoffs are the organiser's.

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on TransJeju by UTMB, in one roadbook.

Includes this race's official aid stations and cutoff times.

Where to stay

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