Martin Barrett
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15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
Morocco
58,7%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 2 877; Σ finishers = 4 900. 2 877 / 4 900 × 100 = 58.71%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed20
Km — ultra races1 960 km
> 100 km9
> 160 km8
> 200 km1
Longest race249,0 km
30. Marathon des Sables — 5/4/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail87,3%
Stage12,7%
Records
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 25.07 | 105mi | 39:52:48 h | 443 | |
| 2023 | ||||
| 28.07 | 105mi | 42:25:03 h | 380 | |
| 25.03 | 55mi | 14:57:17 h | 172 | |
| 2022 | ||||
| 29.07 | 100mi | 39:19:51 h | 279 | |
| 2021 | ||||
| 23.07 | 100mi | 38:44:00 h | 290 | |
| 2019 | ||||
| 26.07 | 100mi | 39:12:04 h | 233 | |
| 13.07 | 56km | 14:36:03 h | 52 | |
| 16.03 | 50mi | 14:03:03 h | 154 | |
| 2018 | ||||
| 27.07 | 100mi | 38:34:22 h | 179 | |
| 2017 | ||||
| 16.09 | 60mi | 16:20:45 h | 102 | |
| 28.07 | 100mi | 33:08:39 h | 101 | |
| 18.03 | 55mi | 13:02:07 h | 195 | |
| 01.01 | 30mi | 6:56:04 h | 164 | |
| 2016 | ||||
| 02.07 | 110km | 16:46:01 h | 55 | |
| 2015 | ||||
| 05.04 | 249km/6stages | 31:25:13 h | 93 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/4/2015 | 30. Marathon des Sables | 249,00 | ×6 |
| ✓ 2 | 25/7/2025 | Lakeland 100 Mile | 168,98 | ×4 |
| ✓ 3 | 28/7/2023 | Lakeland 100 Mile | 168,98 | ×4 |
| ✓ 4 | 29/7/2022 | Lakeland 100 Mile | 160,93 | ×4 |
| ✓ 5 | 23/7/2021 | Lakeland 100 Mile | 160,93 | ×4 |
| ✓ 6 | 26/7/2019 | Lakeland 100 Mile | 160,93 | ×4 |
| ✓ 7 | 27/7/2018 | Lakeland 100 Mile | 160,93 | ×4 |
| ✓ 8 | 28/7/2017 | Lakeland 100 Mile | 160,93 | ×4 |
| ✓ 9 | 2/7/2016 | 3rd Ultimate Trails Challenge 110 km | 110,00 | ×2 |
| ✓ 10 | 16/9/2017 | 7th Hardmoors 60 | 96,56 | ×2 |
| ✓ 11 | 25/3/2023 | 14th Hardmoors 55 | 88,51 | ×2 |
| ✓ 12 | 18/3/2017 | 8th Hardmoors 55 | 88,51 | ×2 |
| ✓ 13 | 16/3/2019 | 10th Hardmoors 55 (50miles) | 80,47 | ×2 |
| ✓ 14 | 13/7/2019 | 5th Lakes Sky Ultra | 56,00 | ×1 |
| ✓ 15 | 1/1/2017 | 7th Hardmoors 30 | 48,28 | ×1 |