Graham Jonkers
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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.
26
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 ?
South Africa
52,4%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 26 335; Σ finishers = 50 218. 26 335 / 50 218 × 100 = 52.44%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races776 km
> 100 km1
> 160 km1
Longest race160,9 km
30th Washie 100 Miler — 14/7/2006
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2015 | ||||
| 31.05 | 87km | 11:42:35 h | 10385 | |
| 2007 | ||||
| 28.04 | 60km | 5:05:50 h | 77 | |
| 2006 | ||||
| 14.07 | 100mi | 19:55:37 h | 10 | |
| 29.04 | 60km | 5:50:29 h | 67 | |
| 2005 | ||||
| 30.04 | 60km | 5:21:24 h | 110 | |
| 2004 | ||||
| 10.04 | 56km road race | 4:43:38 h | 1126 | |
| 2003 | ||||
| 16.06 | 89km road race | 8:48:17 h | 2514 | |
| 03.05 | 60km | 5:21:35 h | 83 | |
| 2002 | ||||
| 17.06 | 87km road race | 10:47:55 h | 7623 | |
| 2001 | ||||
| 14.04 | 56km | 5:51:49 h | 4350 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/7/2006 | 30th Washie 100 Miler | 160,93 | ×6 |
| ✓ 2 | 16/6/2003 | 78th Comrades Marathon - Down Run (RSA) | 89,00 | ×3 |
| ✓ 3 | 31/5/2015 | 90th Comrades Marathon - Up Run | 87,00 | ×3 |
| ✓ 4 | 17/6/2002 | 77th Comrades Marathon - Up Run (RSA) | 87,00 | ×3 |
| ✓ 5 | 28/4/2007 | Clover Settlers 60 km Ultra | 60,00 | ×2 |
| ✓ 6 | 29/4/2006 | Clover Settlers 60 km Ultra | 60,00 | ×2 |
| ✓ 7 | 30/4/2005 | Clover Settlers 60 km Ultra | 60,00 | ×2 |
| ✓ 8 | 3/5/2003 | Spar to Spart Settlers 60 km Ultra | 60,00 | ×2 |
| ✓ 9 | 10/4/2004 | 35th Two Oceans Marathon (RSA) | 56,00 | ×2 |
| ✓ 10 | 14/4/2001 | 32rd Two Oceans Marathon | 56,00 | ×2 |