Michael Biddulph
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Born : 1965
Cat. M60 Ultrarunner since 2003
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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 States
United States15,1%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 75; Σ finishers = 498. 75 / 498 × 100 = 15.06%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races1 100 km
> 100 km5
> 160 km5
Longest race160,9 km
9th The Bear 100 Mile Endurance Run — 28/9/2007
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road5,9%
Trail94,1%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2012 | ||||
| 23.06 | 40mi | 22nd To Bone and Back 40-Mile Ultra Marathon |
6:51:16 h | 4 |
| 2007 | ||||
| 28.09 | 100mi | 9th The Bear 100 Mile Endurance Run |
27:41:00 h | 18 |
| 02.06 | 50mi | 11th Snow Peaks 50 Mile Trail Run |
10:54:45 h | 32 |
| 2006 | ||||
| 22.09 | 100mi | 8th The Bear 100 Mile Endurance Run |
28:49:56 h | 8 |
| 2005 | ||||
| 23.09 | 100mi | 7th The Bear 100 Mile Endurance Run |
26:22:26 h | 3 🥉 |
| 2004 | ||||
| 24.09 | 100mi | 6th The Bear 100 Mile Endurance Run |
26:11:31 h | 5 |
| 08.08 | 100km | 3rd Katcina Mosa 100K Mountain Run |
14:01:00 h | 3 🥉 |
| 10.07 | 50km | 5th Midnight Mountain 50K |
6:11:41 h | 5 |
| 2003 | ||||
| 26.09 | 100mi | 5th The Bear 100 Mile Endurance Run |
24:44:34 h | 6 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/9/2007 | 9th The Bear 100 Mile Endurance Run | 160,93 | ×5 |
| ✓ 2 | 22/9/2006 | 8th The Bear 100 Mile Endurance Run | 160,93 | ×5 |
| ✓ 3 | 23/9/2005 | 7th The Bear 100 Mile Endurance Run | 160,93 | ×5 |
| ✓ 4 | 24/9/2004 | 6th The Bear 100 Mile Endurance Run | 160,93 | ×5 |
| ✓ 5 | 26/9/2003 | 5th The Bear 100 Mile Endurance Run | 160,93 | ×5 |
| ✓ 6 | 8/8/2004 | 3rd Katcina Mosa 100K Mountain Run | 100,00 | ×3 |
| ✓ 7 | 2/6/2007 | 11th Snow Peaks 50 Mile Trail Run | 80,47 | ×2 |
| ✓ 8 | 23/6/2012 | 22nd To Bone and Back 40-Mile Ultra Marathon | 64,37 | ×2 |
| ✓ 9 | 10/7/2004 | 5th Midnight Mountain 50K | 50,00 | ×1 |