Robert Cookson
External sources
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Born : 1972
Cat. M50 Ultrarunner since 2011
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
5
Countries visited ?
ChinaUnited Kingdom
Hong Kong
Singapore
Vietnam
ChinaUnited KingdomHong KongSingaporeVietnam55,1%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 979; Σ finishers = 1 776. 979 / 1 776 × 100 = 55.12%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races818 km
> 100 km1
> 160 km1
> 200 km1
Longest race250,0 km
14th Gobi March China — 18/6/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail69,5%
Stage30,5%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 08.07 | 55km | 10th Lakeland Trails Ultra Race 55 km |
10:31:04 h | 95 |
| 2019 | ||||
| 20.09 | 100km | 7. Vietnam Mountain Marathon 100km |
24:38:22 h | 83 |
| 2018 | ||||
| 07.07 | 64km | 1st Force of Nature Ultra |
9:17:32 h | 36 |
| 02.03 | 100km | 7th TransLantau 100 Ultra Trail |
31:07:03 h | 404 |
| 2017 | ||||
| 30.12 | 12h | 9th MR25 Cross Country Ultra Marathon |
63.000 km | 42 |
| 18.06 | 250km/6stages | 14th Gobi March China |
2d 11:03:22 h | 85 |
| 2015 | ||||
| 27.12 | 12h | 7th MR25 Cross Country Ultra Marathon |
63.000 km | 65 |
| 2013 | ||||
| 29.12 | 12h | 5th MR25 Cross Country Ultra Marathon |
72.450 km | 40 |
| 2011 | ||||
| 18.12 | 12h | 3rd MR25 Cross Country Ultra Marathon |
51.000 km | 138 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/6/2017 | 14th Gobi March China | 250,00 | ×9 |
| ✓ 2 | 20/9/2019 | 7. Vietnam Mountain Marathon 100km | 100,00 | ×3 |
| ✓ 3 | 2/3/2018 | 7th TransLantau 100 Ultra Trail | 100,00 | ×3 |
| ✓ 4 | 29/12/2013 | 5th MR25 Cross Country Ultra Marathon | 72,45 | ×2 |
| ✓ 5 | 7/7/2018 | 1st Force of Nature Ultra | 64,00 | ×2 |
| ✓ 6 | 30/12/2017 | 9th MR25 Cross Country Ultra Marathon | 63,00 | ×2 |
| ✓ 7 | 27/12/2015 | 7th MR25 Cross Country Ultra Marathon | 63,00 | ×2 |
| ✓ 8 | 8/7/2023 | 10th Lakeland Trails Ultra Race 55 km | 55,00 | ×2 |
| ✓ 9 | 18/12/2011 | 3rd MR25 Cross Country Ultra Marathon | 51,00 | ×1 |