Joon-Sul (안준설) Ahn
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1993
Cat. M23 Ultrarunner since 2022
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
2
Countries visited ?
JapanSouth Korea
JapanSouth Korea28,1%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 1 718; Σ finishers = 6 122. 1 718 / 6 122 × 100 = 28.06%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 016 km
> 100 km1
Longest race111,0 km
10th Geoje Jimaek Trail Run - 111 km — 3/6/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail95,1%
Stage4,9%
Records
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 16.05 | 100km | 8th Oxfam Trailwalker Korea |
24:15:40 h | 61 |
| 2025 | ||||
| 17.05 | 100km | 7th TNF 100 Korea |
17:48:01 h | 51 |
| 26.04 | 50km | 10th Korea 50K |
9:04:44 h | 128 |
| 2024 | ||||
| 08.12 | 70km | 11th Izu Trail Journey |
11:14:01 h | 563 |
| 16.11 | 65km | 8th Bukhansan Dulle-gil Trail Run |
12:08:42 h | 136 |
| 12.10 | 100km | 11th TransJeju by UTMB 100 |
18:16:23 h | 157 |
| 28.09 | 70km | 4th Jangsu Trail - September |
13:23:32 h | 26 |
| 07.09 | 50km | 1st Dynafit Taebaek Trail |
8:03:01 h | 75 |
| 08.06 | 50km | 11th Geoje Jimaek Trail Run - 50 km |
13:44:23 h | 19 |
| 18.05 | 100km | 6th TNF 100 Korea |
20:40:28 h | 75 |
| 27.04 | 50km | 9th Korea 50K |
8:59:16 h | 172 |
| 2023 | ||||
| 03.06 | 111km | 10th Geoje Jimaek Trail Run - 111 km |
22:14:02 h | 32 |
| 2022 | ||||
| 15.10 | 50km | 9th Transjeju Int. Trail Run 50 |
8:15:09 h | 175 |
| 15.10 | 50km | 4th Seoul Ultra Trail 50K |
9:46:44 h | 62 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/6/2023 | 10th Geoje Jimaek Trail Run - 111 km | 111,00 | ×4 |
| ✓ 2 | 16/5/2026 | 8th Oxfam Trailwalker Korea | 100,00 | ×3 |
| ✓ 3 | 17/5/2025 | 7th TNF 100 Korea | 100,00 | ×3 |
| ✓ 4 | 12/10/2024 | 11th TransJeju by UTMB 100 | 100,00 | ×3 |
| ✓ 5 | 18/5/2024 | 6th TNF 100 Korea | 100,00 | ×3 |
| ✓ 6 | 8/12/2024 | 11th Izu Trail Journey | 70,00 | ×2 |
| ✓ 7 | 28/9/2024 | 4th Jangsu Trail - September | 70,00 | ×2 |
| ✓ 8 | 16/11/2024 | 8th Bukhansan Dulle-gil Trail Run | 65,00 | ×2 |
| ✓ 9 | 26/4/2025 | 10th Korea 50K | 50,00 | ×1 |
| ✓ 10 | 7/9/2024 | 1st Dynafit Taebaek Trail | 50,00 | ×1 |
| ✓ 11 | 8/6/2024 | 11th Geoje Jimaek Trail Run - 50 km | 50,00 | ×1 |
| ✓ 12 | 27/4/2024 | 9th Korea 50K | 50,00 | ×1 |
| ✓ 13 | 15/10/2022 | 9th Transjeju Int. Trail Run 50 | 50,00 | ×1 |