Les Ivings
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1952
Cat. M70 Ultrarunner since 1989
20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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
South Africa21,1%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 29 745; Σ finishers = 140 895. 29 745 / 140 895 × 100 = 21.11%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed20
Km — ultra races1 382 km
Longest race89,0 km
78th Comrades Marathon - Down Run (RSA) — 16/6/2003
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
20 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/6/2003 | 78th Comrades Marathon - Down Run (RSA) | 89,00 | ×2 |
| ✓ 2 | 16/6/2001 | 76th Comrades Marathon - Down Run (RSA) | 89,00 | ×2 |
| ✓ 3 | 31/5/1991 | 66th Comrades Marathon - Down Run | 89,00 | ×2 |
| ✓ 4 | 31/5/1989 | 64th Comrades Marathon - Down Run | 89,00 | ×2 |
| ✓ 5 | 4/6/2017 | 92nd Comrades Marathon - Up Run | 87,00 | ×2 |
| ✓ 6 | 2/6/2013 | 88th Comrades Marathon - Up Run (RSA) | 87,00 | ×2 |
| ✓ 7 | 16/6/2004 | 79th Comrades Marathon - Up Run (RSA) | 87,00 | ×2 |
| ✓ 8 | 17/6/2002 | 77th Comrades Marathon - Up Run (RSA) | 87,00 | ×2 |
| ✓ 9 | 16/6/2000 | 75th Comrades Marathon - Up Run (RSA) | 87,00 | ×2 |
| ✓ 10 | 31/5/1990 | 65th Comrades Marathon - Up Run (RSA) | 87,00 | ×2 |
| ✓ 11 | 26/3/2005 | 36th Two Oceans Marathon (RSA) | 56,00 | ×1 |
| ✓ 12 | 18/3/2017 | 27th Om Die Dam 50km | 50,00 | ×1 |
| ✓ 13 | 21/3/2015 | 25th Om Die Dam 50km | 50,00 | ×1 |
| ✓ 14 | 16/3/2013 | 23rd Om Die Dam 50km | 50,00 | ×1 |
| ✓ 15 | 17/3/2007 | 17th Om Die Dam 50km | 50,00 | ×1 |
| ✓ 16 | 18/3/2006 | 16th Om Die Dam 50km | 50,00 | ×1 |
| ✓ 17 | 15/3/2003 | 13th Om Die Dam 50km (RSA) | 50,00 | ×1 |
| ✓ 18 | 17/3/2001 | 11th Om Die Dam 50km | 50,00 | ×1 |
| ✓ 19 | 17/4/1999 | Pionier - Down Run | 50,00 | ×1 |
| ✓ 20 | 2/4/2017 | Modern Athlete Irene Ultra | 48,00 | ×1 |