Mark Haight
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Born : 1959
Cat. M65 Ultrarunner since 2014
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
18
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 States39,9%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 543; Σ finishers = 1 360. 543 / 1 360 × 100 = 39.93%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races411 km
Longest race80,5 km
40th American River 50 Mile Endurance Run — 6/4/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 06.04 | 50mi | 40th American River 50 Mile Endurance Run |
10:49:36 h | 123 |
| 27.01 | 50km | 13th Fremont Fat Ass 50k |
5:26:00 h | 18 |
| 2018 | ||||
| 05.08 | 50km | 37th Skyline 50k Endurance Run |
7:07:51 h | 119 |
| 27.01 | 50km | 12th Fremont Fat Ass 50k |
5:32:00 h | 18 |
| 2016 | ||||
| 02.04 | 50mi | 37th American River 50 Mile Endurance Run |
10:31:39 h | 176 |
| 05.03 | 6h | 4th Razorback 6 hour Endurance Race |
50.131 km | 5 |
| 2014 | ||||
| 18.05 | 50km | 27th Ohlone 50K Wilderness Run |
7:13:33 h | 91 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/4/2019 | 40th American River 50 Mile Endurance Run | 80,47 | ×4 |
| ✓ 2 | 2/4/2016 | 37th American River 50 Mile Endurance Run | 80,47 | ×4 |
| ✓ 3 | 5/3/2016 | 4th Razorback 6 hour Endurance Race | 50,13 | ×2 |
| ✓ 4 | 27/1/2019 | 13th Fremont Fat Ass 50k | 50,00 | ×2 |
| ✓ 5 | 5/8/2018 | 37th Skyline 50k Endurance Run | 50,00 | ×2 |
| ✓ 6 | 27/1/2018 | 12th Fremont Fat Ass 50k | 50,00 | ×2 |
| ✓ 7 | 18/5/2014 | 27th Ohlone 50K Wilderness Run | 50,00 | ×2 |