Seung-Yong (송승용) Song
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Born : 1976
Cat. M50 Ultrarunner since 2022
21
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
4
Countries visited ?
France
ItalySouth Korea
Thailand
FranceItalySouth KoreaThailand18,9%
Rank quotient ?This runner's calculation uses 21 eligible race(s): Σ(rank − 1) = 1 587; Σ finishers = 8 375. 1 587 / 8 375 × 100 = 18.95%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed21
Km — ultra races1 960 km
> 100 km5
> 160 km4
> 200 km1
Longest race330,0 km
15° TOR330 - Tor des Géants — 8/9/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road2,4%
Trail97,6%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
21 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/9/2024 | 15° TOR330 - Tor des Géants | 330,00 | ×8 |
| ✓ 2 | 8/12/2023 | 4th Doi Inthanon Thailand by UTMB - TRANS-INT 160 | 175,00 | ×4 |
| ✓ 3 | 29/8/2025 | 22ème Ultra Trail Tour du Mont Blanc (UTMB) | 174,00 | ×4 |
| ✓ 4 | 5/12/2025 | 2nd Chiangmai Thailand by UTMB - CHIANG DAO 100 | 160,93 | ×4 |
| ✓ 5 | 27/10/2023 | 7th High Trail Nine Peaks - 9 Peaks | 121,00 | ×3 |
| ✓ 6 | 25/5/2024 | 6th Oxfam Trailwalker Korea | 100,00 | ×2 |
| ✓ 7 | 20/5/2023 | 5th Oxfam Trailwalker Korea | 100,00 | ×2 |
| ✓ 8 | 15/10/2022 | 4th Seoul Ultra Trail 100K | 100,00 | ×2 |
| ✓ 9 | 5/4/2025 | 5th Jangsu Trail - April | 70,00 | ×1 |
| ✓ 10 | 6/4/2024 | 3rd Jangsu Trail - April | 70,00 | ×1 |
| ✓ 11 | 16/11/2024 | 8th Bukhansan Dulle-gil Trail Run | 65,00 | ×1 |
| ✓ 12 | 25/4/2026 | 11th Korea 50K | 50,00 | ×1 |
| ✓ 13 | 10/5/2025 | 1st Busan 50K | 50,00 | ×1 |
| ✓ 14 | 26/4/2025 | 10th Korea 50K | 50,00 | ×1 |
| ✓ 15 | 27/4/2024 | 9th Korea 50K | 50,00 | ×1 |
| ✓ 16 | 3/6/2023 | 10th Geoje Jimaek Trail Run - 50 km | 50,00 | ×1 |
| ✓ 17 | 29/4/2023 | 8th Korea 50K | 50,00 | ×1 |
| ✓ 18 | 17/9/2022 | 7th Korea 50K | 50,00 | ×1 |
| ✓ 19 | 7/6/2026 | 2nd korea 50k Chuncheon | 48,00 | ×1 |
| ✓ 20 | 29/6/2025 | 1st korea 50k Chuncheon | 48,00 | ×1 |
| ✓ 21 | 22/5/2022 | 29th Jirisan Flower Stalk | 48,00 | ×1 |