Mark Jennings
External sources
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Born : 1958
Cat. M65 Ultrarunner since 2015
4
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
12
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 States91,0%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 293; Σ finishers = 322. 293 / 322 × 100 = 90.99%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed4
Km — ultra races200 km
Longest race50,0 km
7th Sierra Vista Trail Runs 50 km Race — 29/2/2020
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
4 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2020 | ||||
| 29.02 | 50km | 7th Sierra Vista Trail Runs 50 km Race |
10:27:55 h | 45 |
| 2017 | ||||
| 07.01 | 50km | 7th Harbison 50K |
9:43:45 h | 109 |
| 2015 | ||||
| 05.06 | 50km | 3rd Bryce 50 km Trail Run |
9:39:19 h | 70 |
| 11.04 | 50km | 5th Hawkeye 50K Trail Run |
7:33:36 h | 73 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 29/2/2020 | 7th Sierra Vista Trail Runs 50 km Race | 50,00 | ×4 |
| ✓ 2 | 7/1/2017 | 7th Harbison 50K | 50,00 | ×4 |
| ✓ 3 | 5/6/2015 | 3rd Bryce 50 km Trail Run | 50,00 | ×4 |
| ✓ 4 | 11/4/2015 | 5th Hawkeye 50K Trail Run | 50,00 | ×4 |