Manh-Ha (Nguyễn Manh Ha) Nguyen
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.
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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 ?
Vietnam
16,3%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 330; Σ finishers = 2 030. 330 / 2 030 × 100 = 16.26%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 174 km
> 100 km2
> 160 km2
Longest race160,9 km
12. Vietnam Mountain Marathon 100miles — 29/11/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 19.09 | 100km | 21:03:52 h | 36 | |
| 08.03 | 75km | 11:34:58 h | 42 | |
| 11.01 | 70km | 8:48:03 h | 21 | |
| 2024 | ||||
| 29.11 | 100mi | 38:38:14 h | 28 | |
| 04.08 | 70km | 9:45:53 h | 9 | |
| 27.04 | 70km | 23:50:11 h | 5 | |
| 2023 | ||||
| 22.09 | 100km | 22:52:43 h | 58 | |
| 2022 | ||||
| 09.09 | 100mi | 38:46:35 h | 31 | |
| 26.03 | 45km | 8:29:42 h | 33 | |
| 2019 | ||||
| 20.09 | 100km | 19:29:33 h | 15 | |
| 25.05 | 70km | 12:39:05 h | 24 | |
| 2018 | ||||
| 21.09 | 100km | 21:41:12 h | 33 | |
| 19.08 | 15h | 52.000 km | 8 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 29/11/2024 | 12. Vietnam Mountain Marathon 100miles | 160,93 | ×5 |
| ✓ 2 | 9/9/2022 | 10. Vietnam Mountain Marathon 100miles | 160,93 | ×5 |
| ✓ 3 | 19/9/2025 | 12th Vietnam Mountain Marathon 100km | 100,00 | ×3 |
| ✓ 4 | 22/9/2023 | 11. Vietnam Mountain Marathon 100km | 100,00 | ×3 |
| ✓ 5 | 20/9/2019 | 7. Vietnam Mountain Marathon 100km | 100,00 | ×3 |
| ✓ 6 | 21/9/2018 | 6. Vietnam Mountain Marathon 100km | 100,00 | ×3 |
| ✓ 7 | 8/3/2025 | 2nd Vietnam Ultra Marathon | 75,00 | ×2 |
| ✓ 8 | 11/1/2025 | 7th Vietnam Trail Marathon | 70,00 | ×2 |
| ✓ 9 | 4/8/2024 | 3rd Ultra Trail Cao Bang - 70km | 70,00 | ×2 |
| ✓ 10 | 27/4/2024 | 1st Ham Lon Chan Ai 70km | 70,00 | ×2 |
| ✓ 11 | 25/5/2019 | 3rd Vietnam Jungle Marathon 70km | 70,00 | ×2 |
| ✓ 12 | 19/8/2018 | 2nd Loop Ultra Trail | 52,00 | ×1 |
| ✓ 13 | 26/3/2022 | 4th Dalat Ultra Trail - 45km | 45,00 | ×1 |