Mike Harris
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Born : 1971
Cat. M55 Ultrarunner since 2014
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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
United Kingdom48,6%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 1 372; Σ finishers = 2 823. 1 372 / 2 823 × 100 = 48.60%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races897 km
> 100 km3
> 160 km3
Longest race169,0 km
Lakeland 100 Mile — 25/7/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 25.07 | 105mi | Lakeland 100 Mile |
37:10:57 h | 298 |
| 2024 | ||||
| 26.07 | 105mi | Lakeland 100 Mile |
32:28:54 h | 151 |
| 2023 | ||||
| 28.07 | 105mi | Lakeland 100 Mile |
32:34:08 h | 133 |
| 08.07 | 55km | 10th Lakeland Trails Ultra Race 55 km |
8:26:40 h | 44 |
| 2022 | ||||
| 07.05 | 50mi | Pennine Barrier Ultra 50 |
11:55:02 h | 97 |
| 2021 | ||||
| 10.07 | 100km | 7th Ultimate Lakeland Trails Challenge 100 km |
17:40:41 h | 59 |
| 2017 | ||||
| 01.07 | 55km | 4th Ultimate Trails Challenge 55 km |
8:15:10 h | 83 |
| 2014 | ||||
| 19.07 | 100km | 2nd Race to the Stones 100 km Ultramarathon |
24:21:15 h | 515 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/7/2025 | Lakeland 100 Mile | 168,98 | ×6 |
| ✓ 2 | 26/7/2024 | Lakeland 100 Mile | 168,98 | ×6 |
| ✓ 3 | 28/7/2023 | Lakeland 100 Mile | 168,98 | ×6 |
| ✓ 4 | 10/7/2021 | 7th Ultimate Lakeland Trails Challenge 100 km | 100,00 | ×3 |
| ✓ 5 | 19/7/2014 | 2nd Race to the Stones 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 7/5/2022 | Pennine Barrier Ultra 50 | 80,47 | ×2 |
| ✓ 7 | 8/7/2023 | 10th Lakeland Trails Ultra Race 55 km | 55,00 | ×1 |
| ✓ 8 | 1/7/2017 | 4th Ultimate Trails Challenge 55 km | 55,00 | ×1 |