Brian Friend
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19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
2
Countries visited ?
United Kingdom
South Africa
37,8%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 4 607; Σ finishers = 12 176. 4 607 / 12 176 × 100 = 37.84%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed22
Km — ultra races1 385 km
> 100 km3
> 160 km1
Longest race160,9 km
1st South Downs Way 100 Mile Race — 30/6/2012
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road10,0%
Trail72,6%
Stage17,4%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
19 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/6/2012 | 1st South Downs Way 100 Mile Race | 160,93 | ×4 |
| ✓ 2 | 9/11/2012 | 4th Druid Challenge Ridgeway Multistage Ultra | 135,18 | ×4 |
| ✓ 3 | 4/2/2012 | Pilgrim Challenge North Downs Way Multistage Ultra | 106,22 | ×3 |
| ✓ 4 | 14/9/2013 | 1st Ultimate Trails Challenge 100 km | 100,00 | ×3 |
| ✓ 5 | 2/6/2013 | 88th Comrades Marathon - Up Run (RSA) | 87,00 | ×2 |
| ✓ 6 | 2/2/2013 | GB Ultra Thames Trot | 80,47 | ×2 |
| ✓ 7 | 20/10/2012 | Caesar's Camp 50 Mile Endurance Run | 80,47 | ×2 |
| ✓ 8 | 20/5/2012 | The Cardiff Ultra 50 Miles | 80,47 | ×2 |
| ✓ 9 | 4/10/2015 | 3rd Downs Link Ultra | 59,22 | ×1 |
| ✓ 10 | 6/10/2013 | 1st Downs Link Ultra | 59,22 | ×1 |
| ✓ 11 | 24/3/2012 | Coastal Trail Series - Sussex Ultra | 55,10 | ×1 |
| ✓ 12 | 6/6/2015 | 17th Dartmoor Discovery 32 Mile Ultra Marathon | 51,50 | ×1 |
| ✓ 13 | 28/12/2016 | 1st Winter Cross Ultra 50km | 50,00 | ×1 |
| ✓ 14 | 27/11/2016 | 33rd Gatliff 50 km Marathon | 50,00 | ×1 |
| ✓ 15 | 31/5/2014 | 1st Arun River Marathon | 47,48 | ×1 |
| ✓ 16 | 29/1/2017 | 4th Dark Star River Marathon | 45,40 | ×1 |
| ✓ 17 | 1/2/2016 | 3rd Dark Star River Marathon | 45,40 | ×1 |
| ✓ 18 | 2/2/2015 | 2nd Dark Star River Marathon | 45,40 | ×1 |
| ✓ 19 | 3/2/2014 | 1st Dark Star River Marathon | 45,40 | ×1 |