Jack E. Denness
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Born : 1935
Cat. M90 Ultrarunner since 1987
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
54
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
4
Countries visited ?
EgyptUnited Kingdom
Tunisia
United States
EgyptUnited KingdomTunisiaUnited States88,1%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 885; Σ finishers = 1 005. 885 / 1 005 × 100 = 88.06%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed21
Km — ultra races3 652 km
> 100 km16
> 160 km15
> 200 km15
Longest race333,0 km
Trans 333 - Egypte — 11/11/2005
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road71,4%
Trail21,8%
Stage6,8%
Records
No record for a classic ultra format
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2010 | ||||
| 12.07 | 135mi | 24th Badwater Ultramarathon |
2d 11:13:02 h | 73 |
| 2008 | ||||
| 26.10 | 250km/6stages | Sahara Race Egypt |
2d 15:07:33 h | 134 |
| 2005 | ||||
| 11.11 | 333km | Trans 333 - Egypte |
4d 08:39:00 h | 39 |
| 10.07 | 135mi | 19th Badwater Ultramarathon |
2d 09:52:12 h | 67 |
| 2002 | ||||
| 17.11 | 333km | Trans 333 - Tunisia |
3d 22:46:00 h | 26 |
| 23.07 | 135mi | 16th Badwater Ultramarathon |
2d 09:08:56 h | 57 |
| 2001 | ||||
| 25.07 | 135mi | 15th Badwater Ultramarathon |
2d 03:52:52 h | 41 |
| 2000 | ||||
| 27.07 | 135mi | 14th Badwater Ultramarathon |
2d 10:57:00 h | 47 |
| 1999 | ||||
| 15.07 | 135mi | 13th Badwater Ultramarathon |
2d 06:06:00 h | 31 |
| 1998 | ||||
| 16.07 | 135mi | 12th Badwater Ultramarathon |
2d 09:39:00 h | 18 |
| 1996 | ||||
| 25.07 | 135mi | 10th Badwater Ultramarathon |
2d 08:13:00 h | 13 |
| 1994 | ||||
| 27.07 | 135mi | 8th Badwater Ultramarathon |
2d 11:25:06 h | 14 |
| 1993 | ||||
| 14.07 | 135mi | 7th Badwater Ultramarathon |
2d 02:25:00 h | 8 |
| 1992 | ||||
| 22.07 | 135mi | 6th Badwater Ultramarathon |
2d 10:19:00 h | 11 |
| 1991 | ||||
| 24.07 | 135mi | 5th Badwater Ultramarathon |
2d 08:19:20 h | 13 |
| 1987 | ||||
| 27.06 | 80mi | South Downs Way 80 Mile Trail Run |
24:09:21 h | 309 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/11/2005 | Trans 333 - Egypte | 333,00 | ×6 |
| ✓ 2 | 17/11/2002 | Trans 333 - Tunisia | 333,00 | ×6 |
| ✓ 3 | 26/10/2008 | Sahara Race Egypt | 250,00 | ×4 |
| ✓ 4 | 12/7/2010 | 24th Badwater Ultramarathon | 217,26 | ×4 |
| ✓ 5 | 10/7/2005 | 19th Badwater Ultramarathon | 217,26 | ×4 |
| ✓ 6 | 23/7/2002 | 16th Badwater Ultramarathon | 217,26 | ×4 |
| ✓ 7 | 25/7/2001 | 15th Badwater Ultramarathon | 217,26 | ×4 |
| ✓ 8 | 27/7/2000 | 14th Badwater Ultramarathon | 217,26 | ×4 |
| ✓ 9 | 15/7/1999 | 13th Badwater Ultramarathon | 217,26 | ×4 |
| ✓ 10 | 16/7/1998 | 12th Badwater Ultramarathon | 217,26 | ×4 |
| ✓ 11 | 25/7/1996 | 10th Badwater Ultramarathon | 217,26 | ×4 |
| ✓ 12 | 27/7/1994 | 8th Badwater Ultramarathon | 217,26 | ×4 |
| ✓ 13 | 14/7/1993 | 7th Badwater Ultramarathon | 217,26 | ×4 |
| ✓ 14 | 22/7/1992 | 6th Badwater Ultramarathon | 217,26 | ×4 |
| ✓ 15 | 24/7/1991 | 5th Badwater Ultramarathon | 217,26 | ×4 |
| ✓ 16 | 27/6/1987 | South Downs Way 80 Mile Trail Run | 128,75 | ×2 |