Jack Blanchard
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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.
36
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
14,7%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 378; Σ finishers = 2 565. 378 / 2 565 × 100 = 14.74%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed20
Km — ultra races1 623 km
> 100 km4
> 160 km3
> 200 km1
Longest race380,0 km
8th Dragon's Back Race — 4/9/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail76,6%
Stage23,4%
Wins & podiums (ultra)
🏆 Win2
🏆 Win M2
🏅 Top 37
🏅 Top 3 M7
Longest winning streak1
Current streak0
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 25.01 | 50mi | 11:14:15 h | 48 | |
| 2023 | ||||
| 04.09 | 380km/6stages | 3d 04:58:50 h | 45 | |
| 26.08 | 56km | 5:45:27 h | 1 🏆 | |
| 08.04 | 40mi | 7:12:44 h | 3 🥉 | |
| 05.03 | 33mi | 4:08:53 h | 2 🥈 | |
| 27.01 | 100mi | 23:45:01 h | 15 | |
| 2022 | ||||
| 12.11 | 47.1mi | 7:22:41 h | 2 🥈 | |
| 16.07 | 64mi | 12:58:18 h | 2 🥈 | |
| 11.06 | 170km | 24:23:11 h | 1 🏆 | |
| 23.04 | 56mi | 9:52:55 h | 2 🥈 | |
| 2020 | ||||
| 07.03 | 45mi | 7:36:12 h | 5 | |
| 2019 | ||||
| 24.08 | 45mi | 8:43:00 h | 10 | |
| 02.03 | 45mi | 8:12:58 h | 28 | |
| 2018 | ||||
| 29.09 | 45mi | 8:49:38 h | 31 | |
| 2016 | ||||
| 16.07 | 100km | 14:00:48 h | 198 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 4/9/2023 | 8th Dragon's Back Race | 380,00 | ×10 |
| ✓ 2 | 11/6/2022 | 4th Jurassic Coast 100 Mile Ultra | 170,00 | ×4 |
| ✓ 3 | 27/1/2023 | 9th The Arc of Attrition 100 Mile | 160,93 | ×4 |
| ✓ 4 | 16/7/2022 | Roseland August Trail – Plague Rat | 103,00 | ×2 |
| ✓ 5 | 16/7/2016 | 4th Race to the Stones 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 6 | 23/4/2022 | 2nd Butcombe Trail Ultra 56mi | 90,12 | ×2 |
| ✓ 7 | 25/1/2025 | 7th Arc of Attrition by UTMB - Arc 50 | 80,47 | ×2 |
| ✓ 8 | 12/11/2022 | Beacons Ultra | 75,80 | ×2 |
| ✓ 9 | 7/3/2020 | Winter Green Man Ultra 45 | 72,42 | ×2 |
| ✓ 10 | 24/8/2019 | Summer Green Man Ultra 45 Miles | 72,42 | ×2 |
| ✓ 11 | 2/3/2019 | Winter Green Man Ultra 45 Miles | 72,42 | ×2 |
| ✓ 12 | 29/9/2018 | Autumn Green Man Ultra 45 Miles | 72,42 | ×2 |
| ✓ 13 | 8/4/2023 | Beast of the Beacons 40mi | 64,37 | ×1 |
| ✓ 14 | 26/8/2023 | TEC Mendip Hills Ultramarathon 56km | 56,00 | ×1 |
| ✓ 15 | 5/3/2023 | The Imber Ultra | 53,11 | ×1 |