Jack Brierley
External sources
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Born : 1986
Cat. M40 Ultrarunner since 2019
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
18
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
United KingdomMorocco19,1%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 84; Σ finishers = 439. 84 / 439 × 100 = 19.13%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races348 km
> 100 km1
> 160 km1
> 200 km1
Longest race234,0 km
35. Marathon des Sables Maroc — 3/10/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail32,8%
Stage67,2%
Records
No record for a classic ultra format
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2021 | ||||
| 03.10 | 234km/6stages | 35. Marathon des Sables Maroc |
35:09:03 h | 32 |
| 25.09 | 34.6mi | Endurancelife CTS - North York Moors |
8:16:28 h | 33 |
| 2019 | ||||
| 27.12 | 7:41h | Sunrise to Sunset Challenge |
58.500 km | 22 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/10/2021 | 35. Marathon des Sables Maroc | 234,00 | ×13 |
| ✓ 2 | 27/12/2019 | Sunrise to Sunset Challenge | 58,50 | ×3 |
| ✓ 3 | 25/9/2021 | Endurancelife CTS - North York Moors | 55,68 | ×3 |