Michael Sullivan
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10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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
58,7%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 1 105; Σ finishers = 1 883. 1 105 / 1 883 × 100 = 58.68%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races585 km
> 24h7
Longest race80,5 km
44th JFK 50 Mile — 18/11/2006
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 04.10 | 24h | 59.867 km | 45 | |
| 2024 | ||||
| 05.10 | 24h | 64.856 km | 49 | |
| 2023 | ||||
| 07.10 | 24h | 64.864 km | 56 | |
| 2022 | ||||
| 08.10 | 24h | 59.867 km | 50 | |
| 2021 | ||||
| 09.10 | 24h | 49.889 km | 66 | |
| 2020 | ||||
| 17.10 | 24h | 54.878 km | 49 | |
| 2018 | ||||
| 29.09 | 24h | 49.889 km | 13 | |
| 2012 | ||||
| 21.04 | 50km | 8:46:52 h | 153 | |
| 2010 | ||||
| 27.02 | 50km | 7:26:00 h | 97 | |
| 2006 | ||||
| 18.11 | 50mi | 10:36:02 h | 537 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/11/2006 | 44th JFK 50 Mile | 80,47 | ×3 |
| ✓ 2 | 7/10/2023 | 6th Bear Lake Ultra Race | 64,86 | ×3 |
| ✓ 3 | 5/10/2024 | 7th Bear Lake Ultra Race | 64,86 | ×3 |
| ✓ 4 | 4/10/2025 | 8th Bear Lake Ultra Race | 59,87 | ×2 |
| ✓ 5 | 8/10/2022 | 5th Bear Lake Ultra Race | 59,87 | ×2 |
| ✓ 6 | 17/10/2020 | 3rd Bear Lake Ultra Race | 54,88 | ×2 |
| ✓ 7 | 21/4/2012 | 6th SweetH2O 50 km | 50,00 | ×2 |
| ✓ 8 | 27/2/2010 | 5th Mount Cheaha 50K UltraMarathon Race | 50,00 | ×2 |
| ✓ 9 | 9/10/2021 | 4th Bear Lake Ultra Race | 49,89 | ×2 |
| ✓ 10 | 29/9/2018 | 1st Bear Lake Ultra Race | 49,89 | ×2 |