Roy Johnston
External sources
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Ultrarunner since 1987
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
11
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 ?Australia
Australia81,0%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 337; Σ finishers = 416. 337 / 416 × 100 = 81.01%. A win adds 0 to the numerator. Lower is better.
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
No record for a classic ultra format
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1989 | ||||
| 18.03 | 46.6km | 6th Six Foot Track |
6:40:13 h | 155 |
| 1988 | ||||
| 05.03 | 46.6km | 5th Six Foot Track |
5:49:54 h | 104 |
| 1987 | ||||
| 07.03 | 46.6km | 4th Six Foot Track |
6:04:14 h | 81 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/3/1989 | 6th Six Foot Track | 46,60 | ×4 |
| ✓ 2 | 5/3/1988 | 5th Six Foot Track | 46,60 | ×4 |
| ✓ 3 | 7/3/1987 | 4th Six Foot Track | 46,60 | ×4 |