Darrel Laybourn
ID 20830
Born : 1967 Cat. M55 Ultrarunner since 2000 RSA
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
6,9%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 12 095; Σ finishers = 175 670. 12 095 / 175 670 × 100 = 6.89%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races1 762 km
Longest race89,0 km
87th Comrades Marathon - Down Run (RSA) — 3/6/2012

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Records

50 km3h43'43

HISTORY

30 race(s) · 6 split(s) nested
DateRacePerf.Rk
2017
15.04 56km RSA48th Two Oceans Marathon 4:21:53 h321
2016
26.03 56km RSA47th Two Oceans Marathon 4:21:58 h328
2015
04.04 56km RSA46th Two Oceans Marathon 4:05:56 h176
2014
18.04 56km road race RSA45th Two Oceans Marathon 4:09:23 h253
2013
30.03 56km road race RSA44th Two Oceans Marathon 4:06:13 h269
2012
03.06 89km road race RSA87th Comrades Marathon - Down Run 7:17:09 h412
07.04 56km road race RSA43rd Two Oceans Marathon 4:13:54 h343
17.03 50km RSA22nd Om Die Dam 50km 3:51:41 h143
2011
23.04 50km road race RSA42nd Two Oceans Marathon - 50km Split 3:52:36 h408
03.04 50km RSAMidvaal Fordyce Ultra Marathon 50km 4:22:45 h48
2010
27.03 56km RSA23rd Xstrata Longtom Ultra Marathon 56km 4:53:27 h48
20.03 50km RSA20th Om Die Dam 50km 3:47:12 h135
2009
28.03 56km RSA22nd Xstrata Longtom Ultra Marathon 56km 4:39:15 h36
21.03 50km RSA19th Om Die Dam 50km 3:56:42 h154
08.03 50km RSAMedihelp Fordyce Ultra Marathon 50km 4:16:41 h32
2007
17.03 50km RSA17th Om Die Dam 50km 3:47:55 h156
2006
18.03 50km RSA16th Om Die Dam 50km 3:43:43 h124
2005
26.03 56km road race RSA36th Two Oceans Marathon 4:15:26 h406
2004
16.06 87km road race RSA79th Comrades Marathon - Up Run 7:20:40 h385
10.04 56km road race RSA35th Two Oceans Marathon 4:15:48 h514
20.03 50km road race RSA14th Om Die Dam 50km 3:53:04 h190
2003
16.06 89km road race RSA78th Comrades Marathon - Down Run 7:18:41 h460
19.04 56km road race RSA34th Two Oceans Marathon 4:28:08 h620
15.03 50km road race RSA13th Om Die Dam 50km 3:44:47 h144
2002
17.06 87km road race RSA77th Comrades Marathon - Up Run 7:18:25 h380
30.03 56km RSA33rd Two Oceans Marathon 4:08:30 h353
2001
16.06 89km road race RSA76th Comrades Marathon - Down Run 7:26:28 h660
14.04 56km RSA32rd Two Oceans Marathon 4:16:07 h441
2000
16.06 87km road race RSA75th Comrades Marathon - Up Run 8:42:56 h2778
22.04 56km RSA31st Two Oceans Marathon 4:59:04 h1815