Leon van der Merwe
ID 172697
Born : 1962 Cat. M60 Ultrarunner since 1993 RSA
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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 ?RSASouth Africa
67,8%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 141 902; Σ finishers = 209 278. 141 902 / 209 278 × 100 = 67.81%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races1 837 km
Longest race89,0 km
91st Comrades Marathon - Down Run — 29/5/2016

Km per year (ultra races)

2022
2023
2024
56
1 race
2025
56
1 race
2026

Race types (share of distance)

Road85,8%
Trail14,2%

Records

50 km4h59'3850 mi8h40'30

HISTORY

29 race(s) · 9 split(s) nested
DateRacePerf.Rk
2026
05.04 56km RSA56th Two Oceans Marathon 6:49:46 h9629
2025
06.04 56km RSA55th Two Oceans Marathon 6:38:57 h8462
2020
14.03 50km RSA30th Om Die Dam 50km 5:54:50 h1664
2018
03.11 55km RSA22th Three Peaks Challenge 11:03:57 h102
31.03 56km RSA49th Two Oceans Marathon 6:57:44 h8941
2017
04.11 55km RSA21th Three Peaks Challenge 10:20:28 h92
15.04 56km RSA48th Two Oceans Marathon 5:58:43 h4491
2016
20.08 75km RSA22th PUFfeR - Peninsula Ultra Fun Run 14:23:30 h141
29.05 89km RSA91st Comrades Marathon - Down Run 11:58:22 h14316
26.03 56km RSA47th Two Oceans Marathon 6:34:22 h6673
2015
22.08 75km RSA21th PUFfeR - Peninsula Ultra Fun Run 14:32:21 h141
04.04 56km RSA46th Two Oceans Marathon 5:57:40 h4179
2014
18.04 56km road race RSA45th Two Oceans Marathon 5:56:44 h4040
15.03 50km RSA24th Om Die Dam 50km 5:19:30 h1092
2013
02.06 87km road race RSA88th Comrades Marathon - Up Run 10:58:27 h6020
30.03 56km road race RSA44th Two Oceans Marathon 5:56:15 h4349
2012
03.06 89km road race RSA87th Comrades Marathon - Down Run 10:56:24 h7820
07.04 56km road race RSA43rd Two Oceans Marathon 5:49:01 h3632
2011
23.04 50km road race RSA42nd Two Oceans Marathon - 50km Split 5:19:33 h3629
2010
11.09 80km RSA40th Laingsburg Karoo Ultra-Marathon 8:40:30 h42
2005
26.03 56km road race RSA36th Two Oceans Marathon 5:43:05 h3306
2004
10.04 56km road race RSA35th Two Oceans Marathon 6:13:32 h6415
20.03 50km road race RSA14th Om Die Dam 50km 4:59:38 h1136
2003
16.06 89km road race RSA78th Comrades Marathon - Down Run 10:25:44 h6441
19.04 56km road race RSA34th Two Oceans Marathon 6:43:59 h5846
2002
30.03 56km RSA33rd Two Oceans Marathon 5:54:20 h4072
2001
16.06 89km road race RSA76th Comrades Marathon - Down Run 10:37:41 h8141
2000
16.06 87km road race RSA75th Comrades Marathon - Up Run 11:33:04 h15621
1993
31.05 89km RSA68th Comrades Marathon - Down Run 9:37:36 h5126