Jong-Geun (유종근) Yu
Born : 1967 Cat. M55 Ultrarunner since 2009 KOR
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
44
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?KORSouth Korea
18,0%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 543; Σ finishers = 3 019. 543 / 3 019 × 100 = 17.99%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races2 317 km
> 100 km4
> 160 km1
> 200 km1
Longest race312,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road81,9%
Trail18,1%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M4
🏅 Top 38
🏅 Top 3 M9
Longest winning streak1
Current streak0

HISTORY

27 race(s)
DateRacePerf.Rk
2021
13.11 50km KOR20th Jeju City 50 km 5:47:27 h17
2018
20.10 56km KOR6th Transjeju Int. Trail Run 50 km 8:22:57 h23
07.10 50km KOR1st Cheonan Samgeori Ultramarathon - 50km 5:12:00 h10
2017
27.08 62km KOR11th Incheon Kanghwa Ultramarathon Festival - 60 km 5:12:00 h2 🥈
05.05 50km KORKUMF 50 km Cup 3:52:00 h1 🏆
11.03 50km KOR16th Jeju City 50 km 4:17:42 h2 🥈
2016
22.09 312km KOR17th Trans Korea 312 km West to East 2d 09:39:00 h15
27.08 102km KOR10th Incheon Kanghwa Ultramarathon Festival - 100 km 13:33:00 h69
13.08 103km KOR1st Yang Yang Int. Trailrun 100km 15:40:00 h11
06.08 100km KOR3rd Geumcheongu Ultramarathon 13:19:00 h25
11.06 100km KOR14th Gwangju 100km Ultra Marathon 12:34:00 h25
23.04 50mi KOR15th Jeju-do Trail 50 Mile 9:44:36 h1 🏆
2015
08.08 100km KOR2nd Geumcheongu Ultramarathon 14:14:00 h72
23.05 100km KOR8th Bukhangang 100 km Ultra Marathon Race 12:48:00 h44
02.05 50mi KOR14th Jeju-do Trail 50 Mile 13:23:01 h13
2014
09.08 101km KOR1st Geumcheon Ultramarathon 101 km 13:45:52 h54
26.07 50km KOR1st Happy Leg Ultramarathon 5:38:00 h31
21.06 100km KOR5th Ulsan Taewha River 100 km Ultramarathon 12:19:24 h52
10.05 100km KOR7th Pilgrimage To the Holy Land 100km Ultramarathon 11:35:00 h14
03.05 50km KORKUMF 50 km Cup 4:53:21 h2 🥈
05.04 100km KOR13th Jeju City 100 km 9:36:34 h4
2013
06.04 50km KOR12th Jeju City 50 km 4:17:04 h2 🥈
2012
18.08 12h KOR10th 7 to 7 Ultramarathon 70.000 km50
05.05 50km KORKUMF 50 km Cup 4:53:21 h2 🥈
2011
21.05 100km KOR7th Daejeon Yusung Hot spring Ultramarathon 10:17:00 h3 🥉
2010
19.06 50km KOR2nd Korea Adventure Race 4:27:21 h6
2009
09.05 100km KOR3rd Incheon Kanghwa Ultramarathon Festival 11:41:12 h20