Peter O'Brien
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Born : 1970
Cat. M55 Ultrarunner since 2016
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
41
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 ?
FranceUnited Kingdom
FranceUnited Kingdom53,9%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 497; Σ finishers = 2 775. 1 497 / 2 775 × 100 = 53.95%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed20
Km — ultra races1 890 km
> 100 km6
> 160 km6
> 200 km3
Longest race431,3 km
12th Winter Spine Race — 14/1/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail62,2%
Stage37,8%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 18.05 | 400km/8stages | Cape Wrath Ultra |
3d 03:40:33 h | 63 |
| 2024 | ||||
| 30.08 | 176km | 21ème Ultra Trail Tour du Mont Blanc |
40:53:49 h | 919 |
| 15.06 | 108mi | Summer Spine Challenger South |
44:07:29 h | 43 |
| 14.01 | 268mi | 12th Winter Spine Race |
6d 05:37:07 h | 67 |
| 2023 | ||||
| 12.05 | 164km | 5th Ultra-Trail Snowdonia - 100mi |
39:03:44 h | 42 |
| 2022 | ||||
| 02.07 | 100km | 5th Ultra-Trail Snowdonia UTS100 |
27:09:16 h | 104 |
| 2021 | ||||
| 28.08 | 44mi | The Grand Tour of Skiddaw |
10:24:10 h | 33 |
| 2019 | ||||
| 20.05 | 315km/5stages | 5th Dragon's Back Race |
2d 18:35:07 h | 186 |
| 2016 | ||||
| 21.05 | 37mi | Old County Tops Fell Race |
9:08:58 h | 49 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/1/2024 | 12th Winter Spine Race | 431,30 | ×10 |
| ✓ 2 | 18/5/2025 | Cape Wrath Ultra | 400,00 | ×9 |
| ✓ 3 | 20/5/2019 | 5th Dragon's Back Race | 315,00 | ×7 |
| ✓ 4 | 30/8/2024 | 21ème Ultra Trail Tour du Mont Blanc (UTMB) | 176,00 | ×4 |
| ✓ 5 | 15/6/2024 | Summer Spine Challenger South | 173,81 | ×4 |
| ✓ 6 | 12/5/2023 | 5th Ultra-Trail Snowdonia - 100mi | 164,00 | ×4 |
| ✓ 7 | 2/7/2022 | 5th Ultra-Trail Snowdonia UTS100 | 100,00 | ×2 |
| ✓ 8 | 28/8/2021 | The Grand Tour of Skiddaw | 70,81 | ×1 |
| ✓ 9 | 21/5/2016 | Old County Tops Fell Race | 59,55 | ×1 |