Manuel dela Serna
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 : 1966
Cat. M60 Ultrarunner since 2011
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
23
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 ?
Hong KongPhilippines
Hong KongPhilippines86,3%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 2 141; Σ finishers = 2 482. 2 141 / 2 482 × 100 = 86.26%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races582 km
> 100 km1
Longest race102,0 km
3rd BDM 102K Ultramarathon Race — 5/3/2011
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road8,6%
Trail91,4%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 07.02 | 50km | 1st Batanes Island Running Festival |
7:12:38 h | 4 |
| 2019 | ||||
| 13.01 | 50km | 1st Mount Pack Ultramarathon |
12:14:36 h | 101 |
| 2018 | ||||
| 28.04 | 50km | 2nd Altra100 - 50 km Run |
14:29:47 h | 45 |
| 2015 | ||||
| 28.03 | 50km | 4th King of the Mountain - Old Spanish Trail 50K |
13:02:36 h | 41 |
| 2014 | ||||
| 18.01 | 100km | 4th Hong Kong 100 Ultra Trail Race |
30:24:59 h | 1129 |
| 2013 | ||||
| 24.11 | 50mi | Clark-Miyamit Falls Trail Ultra (CM50) |
16:49:37 h | 54 |
| 19.01 | 100km | 3rd Hong Kong 100 Ultra Trail Race |
25:04:35 h | 713 |
| 2011 | ||||
| 05.03 | 102km | 3rd BDM 102K Ultramarathon Race |
16:25:22 h | 62 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/3/2011 | 3rd BDM 102K Ultramarathon Race | 102,00 | ×4 |
| ✓ 2 | 18/1/2014 | 4th Hong Kong 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 3 | 19/1/2013 | 3rd Hong Kong 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 4 | 24/11/2013 | Clark-Miyamit Falls Trail Ultra (CM50) | 80,47 | ×3 |
| ✓ 5 | 7/2/2026 | 1st Batanes Island Running Festival | 50,00 | ×2 |
| ✓ 6 | 13/1/2019 | 1st Mount Pack Ultramarathon | 50,00 | ×2 |
| ✓ 7 | 28/4/2018 | 2nd Altra100 - 50 km Run | 50,00 | ×2 |
| ✓ 8 | 28/3/2015 | 4th King of the Mountain - Old Spanish Trail 50K | 50,00 | ×2 |