Jen Jackson
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Born : 1977
Cat. W45 Ultrarunner since 2008
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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 ?United Kingdom
United Kingdom79,4%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 1 368; Σ finishers = 1 722. 1 368 / 1 722 × 100 = 79.44%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed21
Km — ultra races1 640 km
> 100 km9
> 160 km1
> 200 km1
Longest race257,5 km
GB Trans Britain — 12/9/2009
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail70,9%
Stage29,1%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F1
🏅 Top 30
🏅 Top 3 F2
Longest winning streak0
Current streak0
Records
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 14.05 | 50km | Run to the Sea: Brighton |
7:30:32 h | 297 |
| 2017 | ||||
| 05.08 | 52.5km | Round Reading Ultra Marathon 50km |
6:38:01 h | 57 |
| 2016 | ||||
| 27.08 | 86mi | 13th Ridgeway Challenge 86 Mile Trail Run |
21:51:00 h | 35 |
| 2015 | ||||
| 29.08 | 86mi | 12th Ridgeway Challenge 86 Mile Trail Run |
22:30:00 h | 54 |
| 2014 | ||||
| 23.08 | 85mi | 11th Ridgeway Challenge 85 Mile Trail Run |
19:58:00 h | 24 |
| 2013 | ||||
| 11.08 | 50km | Salisbury 54321 Trails Race |
6:46:04 h | 150 |
| 2010 | ||||
| 19.06 | 70mi/2stages | Round The Island Isle of Wight Multistage Ultra |
17:38:03 h | 28 |
| 24.04 | 53mi | 5th Highland Fling Race 53 Mile |
14:19:12 h | 257 |
| 05.02 | 66mi/2stages | Pilgrim Challenge North Downs Way Multistage Ultra |
16:16:31 h | 68 |
| 2009 | ||||
| 12.09 | 160mi/6stages | GB Trans Britain |
2d 04:09:56 h | 4 |
| 29.08 | 85mi | 6th Ridgeway Challenge 85 Mile Trail Run |
21:53:00 h | 33 |
| 20.06 | 153km | 25th West Highland Way Race |
33:59:28 h | 119 |
| 25.04 | 53mi | 4th Highland Fling Race 53 Mile |
13:53:52 h | 230 |
| 2008 | ||||
| 23.08 | 85mi | 5th Ridgeway Challenge 85 Mile Trail Run |
23:01:30 h | 26 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/9/2009 | GB Trans Britain | 257,50 | ×6 |
| ✓ 2 | 20/6/2009 | 25th West Highland Way Race | 153,00 | ×4 |
| ✓ 3 | 27/8/2016 | 13th Ridgeway Challenge 86 Mile Trail Run | 138,40 | ×3 |
| ✓ 4 | 29/8/2015 | 12th Ridgeway Challenge 86 Mile Trail Run | 138,40 | ×3 |
| ✓ 5 | 23/8/2014 | 11th Ridgeway Challenge 85 Mile Trail Run | 136,79 | ×3 |
| ✓ 6 | 29/8/2009 | 6th Ridgeway Challenge 85 Mile Trail Run | 136,79 | ×3 |
| ✓ 7 | 23/8/2008 | 5th Ridgeway Challenge 85 Mile Trail Run | 136,79 | ×3 |
| ✓ 8 | 19/6/2010 | Round The Island Isle of Wight Multistage Ultra | 112,65 | ×3 |
| ✓ 9 | 5/2/2010 | Pilgrim Challenge North Downs Way Multistage Ultra | 106,22 | ×2 |
| ✓ 10 | 24/4/2010 | 5th Highland Fling Race 53 Mile | 85,30 | ×2 |
| ✓ 11 | 25/4/2009 | 4th Highland Fling Race 53 Mile | 85,30 | ×2 |
| ✓ 12 | 5/8/2017 | Round Reading Ultra Marathon 50km | 52,50 | ×1 |
| ✓ 13 | 14/5/2022 | Run to the Sea: Brighton | 50,00 | ×1 |
| ✓ 14 | 11/8/2013 | Salisbury 54321 Trails Race | 50,00 | ×1 |