Seong-Do (Sondo) (장성도) Jang
Born : 1971 Cat. M55 Ultrarunner since 2009 KOR
33
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
3
Countries visited ?FRAFranceJPNJapanKORSouth Korea
55,0%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 15 534; Σ finishers = 28 240. 15 534 / 28 240 × 100 = 55.01%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed33
Km — ultra races2 612 km
> 100 km4
> 160 km2
Longest race168,0 km

Km per year (ultra races)

2022
110
2 races
2023
2024
2025
2026

Race types (share of distance)

Road21,5%
Trail78,5%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

HISTORY

33 race(s)
DateRacePerf.Rk
2023
19.08 50km KOR19th Busan Summer Beach 50 km Ultra Marathon 5:32:19 h18
07.05 60km KOR17th Busan 5 Mountain Trail Run 11:07:26 h7
2020
18.10 54km JPN7th Shigakogen Extreme Trail 12:59:56 h380
2019
12.10 50km KOR7th Transjeju Int. Trail Run 50 8:38:02 h92
02.06 78km JPN26. Ultramarathon Okumusashi 8:53:49 h468
27.04 55km KOR2nd Baekyongjong Gungil 55 km Ultra Marathon 5:11:26 h3 🥉
2018
17.11 106km JPN4th FunTrails100K Round 27:57:20 h270
11.08 102km KOR3rd Yang Yang Int. Trailrun 100km 18:10:00 h79
19.05 100km KOR3rd TNF 100 Korea 20:23:40 h47
21.04 58km KOR4th Korea 50K 11:10:03 h130
2017
08.10 71.5km JPN25th Hasetsune Cup - Japan Mountain Endurance Race 12:47:52 h246
27.08 70km JPN4th Tsukuba Renjyo 70 km Road & Trail Run 9:44:02 h38
15.07 65km JPN8th Nozawa Onsen 4100D Mountain Trail 10:45:26 h67
04.06 78km JPN24. Ultramarathon Okumusashi 8:42:12 h376
2016
11.12 71.7km JPN3rd Izu Trail Journey 10:19:38 h190
13.11 50km JPN8th Kanna Mountain Run II 9:20:30 h48
28.08 70km JPN3rd Tsukuba Renjyo 70 km Road & Trail Run 9:39:26 h89
26.06 72.7km JPN3. Spatrail - Shima to Kusatsu 12:31:55 h547
12.06 100km JPN5th Hida Takayama 100 km Ultramarathon 13:52:45 h1277
28.05 50km JPN8th OSJ Okukuji Trail 50k 13:23:46 h272
2015
20.12 60km JPNCoast to Coast Boso - Odan 60k 9:41:39 h95
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 21:02:26 h1837
06.06 100km JPN3rd Tokyo Shibamata 100 km 12:39:57 h720
15.03 72km JPN2nd Izu Trail Journey 10:58:38 h302
2014
01.06 100km JPN2nd Tokyo Shibamata 100 km 13:48:36 h561
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 45:02:59 h775
2013
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 23:18:56 h2102
30.08 168km FRA11ème Ultra Trail Tour du Mont Blanc 44:55:44 h1482
2012
15.07 100km JPN5th OSJ Ontake 100km Ultra Trail 15:56:19 h512
19.05 82km JPN1st Shizuoka to Yamanashi 16:56:08 h200
2011
09.10 71.5km JPN19th Hasetsune Cup - Japan Mountain Endurance Race 15:23:23 h639
2010
10.10 71.5km JPN18th Hasetsune Cup - Japan Mountain Endurance Race 17:57:56 h875
2009
11.10 71.5km JPN17th Hasetsune Cup - Japan Mountain Endurance Race 16:16:37 h823