Hisao Nishiwaki
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16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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 ?
Singapore
22,8%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 718; Σ finishers = 3 144. 718 / 3 144 × 100 = 22.84%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 171 km
> 100 km2
Longest race101,0 km
4th Craze Ultra 101 km — 5/9/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road69,9%
Trail30,1%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M3
Longest winning streak0
Current streak0
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2016 | ||||
| 27.02 | 8h | 46.500 km | 11 | |
| 2015 | ||||
| 05.09 | 101km | 13:47:51 h | 3 🥉 | |
| 25.07 | 50km | 5:59:06 h | 53 | |
| 2014 | ||||
| 16.08 | 12h | 51.600 km | 49 | |
| 29.03 | 16h | 50.000 km | 107 | |
| 2013 | ||||
| 29.12 | 12h | 51.750 km | 91 | |
| 30.03 | 16h | 50.000 km | 122 | |
| 2012 | ||||
| 30.12 | 12h | 51.000 km | 74 | |
| 13.10 | 100km | 12:11:51 h | 6 | |
| 22.09 | 101km | 14:11:35 h | 2 🥈 | |
| 11.03 | 16h | 50.000 km | 74 | |
| 2011 | ||||
| 15.10 | 100km | 14:39:59 h | 8 | |
| 25.06 | 100km | 11:31:41 h | 28 | |
| 26.03 | 16h | 100.000 km | 8 | |
| 2010 | ||||
| 29.05 | 84km | 9:34:48 h | 43 | |
| 2009 | ||||
| 30.05 | 84km | 9:56:25 h | 55 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/9/2015 | 4th Craze Ultra 101 km | 101,00 | ×3 |
| ✓ 2 | 22/9/2012 | 1st Craze Ultra 101 km | 101,00 | ×3 |
| ✓ 3 | 13/10/2012 | The North Face 100 Singapore | 100,00 | ×3 |
| ✓ 4 | 15/10/2011 | The North Face 100 Singapore | 100,00 | ×3 |
| ✓ 5 | 25/6/2011 | 1st Sundown 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 26/3/2011 | Twilight Ultra Challenge | 100,00 | ×3 |
| ✓ 7 | 29/5/2010 | 3rd Sundown Night 84km | 84,00 | ×2 |
| ✓ 8 | 30/5/2009 | 2nd Sundown Night 84km | 84,00 | ×2 |
| ✓ 9 | 29/12/2013 | 5th MR25 Cross Country Ultra Marathon | 51,75 | ×1 |
| ✓ 10 | 16/8/2014 | 2nd Bedok Reservoir 12 hour Ultramarathon | 51,60 | ×1 |
| ✓ 11 | 30/12/2012 | 4th MR25 Cross Country Ultra Marathon | 51,00 | ×1 |
| ✓ 12 | 25/7/2015 | 1st MSIG Singapore Action Asia 50 | 50,00 | ×1 |
| ✓ 13 | 29/3/2014 | Twilight Ultra Challenge | 50,00 | ×1 |
| ✓ 14 | 30/3/2013 | Twilight Ultra Challenge | 50,00 | ×1 |
| ✓ 15 | 11/3/2012 | Twilight Ultra Challenge | 50,00 | ×1 |
| ✓ 16 | 27/2/2016 | 1st The Green Race Singapore | 46,50 | ×1 |
