Rob Parfrey
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Born : 1974
Cat. M50 Ultrarunner since 2011
11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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 Kingdom57,6%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 370; Σ finishers = 2 380. 1 370 / 2 380 × 100 = 57.56%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races768 km
> 100 km1
Longest race112,7 km
Round The Island Isle of Wight Multistage Ultra — 25/6/2011
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail72,8%
Stage27,2%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 26.07 | 50mi | Lakeland 50 Mile |
17:01:37 h | 925 |
| 2022 | ||||
| 05.02 | 33mi | Pilgrim Challenge (Day 1 Only) |
9:38:56 h | 56 |
| 2019 | ||||
| 13.07 | 45.7km | 3rd Maverick X series Peak District Long |
7:19:58 h | 69 |
| 2018 | ||||
| 23.06 | 50mi | Pennine Barrier Ultra 50 |
11:56:00 h | 62 |
| 10.03 | 50km | Humanity Direct Amersham Ultra |
10:33:24 h | 139 |
| 2015 | ||||
| 27.06 | 73km | 10 Peaks The Lakes - Long Trail |
17:37:51 h | 33 |
| 02.05 | 60mi/2stages | Pony Express New Forest Multistage Ultra |
8:43:04 h | 11 |
| 2014 | ||||
| 19.07 | 31mi | The 'Chiltern Ultra Challenge' Intro 50km Ultra |
6:09:13 h | 48 |
| 2012 | ||||
| 23.07 | 73km | 10 Peaks Challenge |
18:25:00 h | 9 |
| 12.05 | 33mi | Marlborough Downs Challenge |
5:19:45 h | 25 |
| 2011 | ||||
| 25.06 | 70mi/2stages | Round The Island Isle of Wight Multistage Ultra |
11:56:58 h | 4 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/6/2011 | Round The Island Isle of Wight Multistage Ultra | 112,65 | ×4 |
| ✓ 2 | 2/5/2015 | Pony Express New Forest Multistage Ultra | 96,56 | ×3 |
| ✓ 3 | 26/7/2025 | Lakeland 50 Mile | 80,47 | ×3 |
| ✓ 4 | 23/6/2018 | Pennine Barrier Ultra 50 | 80,47 | ×3 |
| ✓ 5 | 27/6/2015 | 10 Peaks The Lakes - Long Trail | 73,00 | ×2 |
| ✓ 6 | 23/7/2012 | 10 Peaks Challenge | 73,00 | ×2 |
| ✓ 7 | 5/2/2022 | Pilgrim Challenge (Day 1 Only) | 53,11 | ×2 |
| ✓ 8 | 12/5/2012 | Marlborough Downs Challenge | 53,11 | ×2 |
| ✓ 9 | 10/3/2018 | Humanity Direct Amersham Ultra | 50,00 | ×2 |
| ✓ 10 | 19/7/2014 | The 'Chiltern Ultra Challenge' Intro 50km Ultra | 49,89 | ×1 |
| ✓ 11 | 13/7/2019 | 3rd Maverick X series Peak District Long | 45,70 | ×1 |