Julian David Karp
Born : 1960 Cat. M65 Ultrarunner since 1990 RSA
56
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
62
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
2
Countries visited ?GBRUnited KingdomRSASouth Africa
46,2%
Rank quotient ?This runner's calculation uses 136 eligible race(s): Σ(rank − 1) = 233 923; Σ finishers = 506 526. 233 923 / 506 526 × 100 = 46.18%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed136
Km — ultra races9 547 km
> 100 km9
> 160 km9
Longest race160,9 km

Km per year (ultra races)

544
10 races
2022
581
10 races
2023
302
6 races
2024
50
1 race
2025
2026

Race types (share of distance)

Road98,0%
Trail2,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

HISTORY

137 race(s) · 11 split(s) nested
DateRacePerf.Rk
2025
19.04 50km RSA3rd Tshwane North Ultra 6:39:37 h730
2024
01.09 48km RSA2nd aQuelle Zone 48 Ultra 6:18:25 h318
20.04 50km RSA2nd Tshwane North Ultra 6:42:46 h585
13.04 56km RSA54th Two Oceans Marathon 6:39:54 h8492
06.04 48km RSA3rd Irene Running Festival 48K 6:02:40 h1383
31.03 50km RSACity2City Ultra Marathon 6:42:15 h1424
16.03 50km RSA33th Om Die Dam 50km 6:18:50 h2187
2023
28.10 84km RSA1st SA Run4Cancer Ultra Marathon 5:45:34 h271
30.09 56km RSA48th Laingsburg Karoo Ultra-Marathon 6:56:50 h16
15.07 50km RSA5th Cape Town Festival of Running 50 km 5:50:15 h68
11.06 87km RSA96th Comrades Marathon - Down Run 11:34:02 h12960
23.04 52km RSA11th Chatsworth Freedom Ultramarathon 52 km 6:56:50 h16
22.04 50km RSA1st Tshwane North Ultra 6:08:05 h339
15.04 56km RSA53th Two Oceans Marathon 6:39:44 h6635
08.04 48km RSA1st aQuelle Zone 48 Ultra 5:50:55 h407
01.04 48km RSA2nd Irene Running Festival 48K 6:09:28 h1962
18.03 50km RSA32th Om Die Dam 50km 6:48:00 h2262
2022
28.08 90km RSA95th Comrades Marathon - Down Run 10:59:26 h7590
30.07 50km RSA1st N12 Ultra Marathon 4:51:52 h354
11.06 50km RSA31th Om Die Dam 50km 5:30:52 h1798
05.06 52km RSA3rd Prince Mangosuthu Ultra Marathon 5:57:10 h305
22.05 50km RSA1st KIA False Bay 50km 5:29:26 h342
01.05 50km RSA1st Seshego Marathon 50km 5:35:08 h220
16.04 56km RSA52th Two Oceans Marathon 5:53:58 h1955
09.04 48km RSA1st Irene Running Festival 48K 5:14:07 h690
26.03 50km RSA2nd UNIWISP Fast 5-in-1 Marathon 5:20:51 h68
12.03 48km RSA1st Anco Ultra Marathon 4-in-1 5:18:02 h20
2021
05.09 52km RSA2nd Prince Mangosuthu Ultra Marathon 5:56:42 h128
2020
14.03 50km RSA30th Om Die Dam 50km 5:13:38 h824
2019
28.09 80km RSA1st Laingsburg Running Festival 9:24:36 h34
11.08 52km RSA1st Prince Mangosuthu Ultra Marathon 6:17:44 h112
09.06 87km RSA94th Comrades Marathon - Up Run 10:31:30 h7490
20.04 56km RSA50th Two Oceans Marathon 5:54:33 h4249
14.04 52km RSA9th Chatsworth Freedom Ultramarathon 52 km 6:00:43 h619
13.04 50km RSA33th Loskop Ultra Marathon 50km 5:17:02 h1384
06.04 52km RSA54th Arthur Cresswell Memorial Marathon Bergville to Ladysmith 5:26:32 h257
24.03 56km RSA4th Zululand 56 km Ultra Marathon 6:21:43 h250
2018
21.10 68km RSA5th Legends Marathon 7:03:01 h107
10.06 90km RSA93rd Comrades Marathon - Down Run 10:15:41 h6546
22.04 52km RSA8th Chatsworth Freedom Ultramarathon 52 km 5:49:32 h530
08.04 48km RSAModern Athlete Irene Ultra 5:00:55 h1066
07.04 52km RSA53rd Arthur Cresswell Memorial Marathon Bergville to Ladysmith 5:13:40 h164
31.03 56km RSA49th Two Oceans Marathon 5:23:10 h2006
2017
24.09 68km RSA4th Legends Marathon 7:22:25 h134
22.07 50km RSA1st Cape Town Festival of Running 50 km 5:14:18 h51
04.06 87km RSA92nd Comrades Marathon - Up Run 10:13:45 h5092
15.04 56km RSA48th Two Oceans Marathon 5:43:31 h3119
01.04 52km RSA52nd Arthur Cresswell Memorial Marathon Bergville to Ladysmith 5:25:32 h195
19.03 56km RSA2nd Zululand 56 km Ultra Marathon 6:29:23 h391
2016
29.05 89km RSA91st Comrades Marathon - Down Run 10:35:22 h7002
27.04 48km RSA1st Hibiscus Coast Challenge 5:50:23 h113
24.04 52km RSA6th Chatsworth Freedom Ultramarathon 52 km 6:02:43 h703
10.04 48km RSAModern Athlete Irene Ultra 5:19:46 h839
26.03 56km RSA47th Two Oceans Marathon 5:54:45 h3922
2015
03.10 80km RSA45th Laingsburg Karoo Ultra-Marathon 9:33:23 h45
27.09 50km RSACity2City Ultra Marathon 6:00:44 h1219
31.05 87km RSA90th Comrades Marathon - Up Run 11:05:12 h7659
19.04 52km RSA5th Chatsworth Freedom Ultramarathon 52 km 5:29:23 h433
11.04 52km RSA50th Arthur Cresswell Memorial Marathon Bergville to Ladysmith 5:26:28 h301
04.04 56km RSA46th Two Oceans Marathon 5:52:37 h3752
2014
05.10 68km RSA2nd Legends Marathon 8:31:04 h172
04.10 80km RSA44th Laingsburg Karoo Ultra-Marathon 9:18:40 h62
01.06 89km RSA89th Comrades Marathon - Down Run 10:16:18 h4712
18.04 56km road race RSA45th Two Oceans Marathon 5:43:43 h3004
22.03 50km RSA36th Bruintjieshoogte Ultra Marathon 50km 5:18:32 h46
2013
28.09 100km RSACape Town 100 km 12:57:23 h14
07.09 80km RSA43rd Laingsburg Karoo Ultra-Marathon 9:16:43 h50
02.06 87km road race RSA88th Comrades Marathon - Up Run 10:06:40 h3444
30.03 56km road race RSA44th Two Oceans Marathon 5:42:02 h3185
2012
29.09 100km RSACape Town 100 km 11:42:30 h10
24.09 63.3km RSA6th Bainskloof Ultra Marathon 7:03:22 h21
08.09 80km RSA42nd Laingsburg Karoo Ultra-Marathon 8:49:32 h45
02.09 50km RSADolphin Coast Striders Ultra 5:24:27 h72
03.06 89km road race RSA87th Comrades Marathon - Down Run 9:45:13 h3886
07.04 56km road race RSA43rd Two Oceans Marathon 5:34:56 h2788
2011
30.10 50km RSA2nd eThekwini Township 2 Township Marathon 5:07:46 h479
01.10 100km RSACape Town 100 km 11:33:51 h11
11.09 90km GBR4th London to Brighton Trail Race 12:31:00 h67
04.09 50km RSADolphin Coast Striders Ultra 4:52:48 h49
23.04 50km road race RSA42nd Two Oceans Marathon - 50km Split 4:46:25 h1899
02.04 52km RSA46th Arthur Cresswell Memorial Marathon Bergville to Ladysmith 5:07:14 h212
2010
24.10 50km RSA1st eThekwini Township 2 Township Marathon 5:14:39 h367
04.10 52km RSA45th Arthur Cresswell Memorial Marathon Bergville to Ladysmith 5:08:51 h150
25.09 100km RSACape Town 100 km 12:26:55 h10
24.09 63.3km RSA4th Bainskloof Ultra Marathon 6:34:04 h27
11.09 80km RSA40th Laingsburg Karoo Ultra-Marathon 8:42:57 h43
27.08 100mi RSA13th Midlands 100 Miler 22:12:18 h19
2009
24.09 63.3km RSA3rd Bainskloof Ultra Marathon 6:10:01 h22
12.09 80km RSA39th Laingsburg Karoo Ultra-Marathon 8:00:40 h28
06.09 50km RSADolphin Coast Striders Ultra 4:50:01 h39
29.03 52km RSA44th Arthur Cresswell Memorial Marathon Bergville to Ladysmith 5:12:21 h166
28.02 52km RSABattlefields 52 km Ultra Marathon 5:07:47 h24
21.02 50km RSA26th Bay Ultra 50 km 4:56:53 h122
2008
08.11 100km RSABay to Bay 100 km Challenge 10:46:00 h34
24.09 63.3km RSA2nd Bainskloof Ultra Marathon 6:31:22 h23
09.02 50km RSA25th Bay Ultra 50 km 4:48:21 h105
2004
02.10 100km RSACape Town 100 km 10:44:20 h12
02.10 100mi RSACape Town 100 Miler 18:31:39 h5
16.06 87km road race RSA79th Comrades Marathon - Up Run 8:30:20 h1451
20.03 50km road race RSA14th Om Die Dam 50km 4:53:35 h980
13.03 56km RSA17th Xstrata Longtom Ultra Marathon 56km 5:17:59 h55
2003
04.10 100mi RSACape Town 100 Miler 18:16:34 h3 🥉
16.08 51km RSABeaufort West 51 km Ultra 4:54:50 h31
16.06 89km road race RSA78th Comrades Marathon - Down Run 8:33:01 h1932
2002
14.09 50km RSA10. Mont-Aux-Sources 50km Challenge 7:35:54 h77
30.08 100mi RSA5th Midlands 100 Miler 21:19:52 h7
10.08 51km RSABeaufort West 51 km Ultra 4:52:08 h23
17.06 87km road race RSA77th Comrades Marathon - Up Run 9:39:07 h3800
30.03 56km RSA33rd Two Oceans Marathon 4:57:01 h1288
2001
10.07 100mi RSA25th Washie 100 Miler 21:52:56 h25
16.06 89km road race RSA76th Comrades Marathon - Down Run 9:50:08 h5049
14.04 56km RSA32rd Two Oceans Marathon 5:05:15 h1791
2000
14.07 100mi RSA24th Washie 100 Miler 23:16:52 h55
16.06 87km road race RSA75th Comrades Marathon - Up Run 10:32:56 h9554
22.04 56km RSA31st Two Oceans Marathon 5:23:48 h3068
18.03 50km RSA10th Om Die Dam 50km 5:02:18 h1801
1999
03.10 88.5km GBR49th London to Brighton Road Race 9:14:38 h63
23.07 100mi RSA23rd Washie 100 Miler 23:15:16 h65
16.06 89km RSA74th Comrades Marathon - Down Run 9:38:47 h4739
03.04 56km RSA30th Two Oceans Marathon 5:40:20 h4125
1998
01.11 55km RSA2nd Three Peaks Challenge 10:40:18 h25
16.06 87km RSA73rd Comrades Marathon - Up Run 9:58:18 h5338
11.04 56km RSA29th Two Oceans Marathon 5:10:41 h2458
1997
29.03 56km RSA28th Two Oceans Marathon 5:21:15 h3145
1996
26.07 100mi RSA20th Washie 100 Miler 22:18:37 h45
17.06 87km RSA71st Comrades Marathon - Up Run 8:58:38 h3230
06.04 56km RSA27th Two Oceans Marathon 5:05:56 h2455
1995
07.07 100mi RSA19th Washie 100 Miler 23:16:52 h65
20.05 89km RSA70th Comrades Marathon - Down Run 10:09:04 h5684
15.04 56km RSA26th Two Oceans Marathon 5:09:15 h2691
1994
31.05 87km RSA69th Comrades Marathon - Up Run 9:27:38 h3921
02.04 56km RSA25th Two Oceans Marathon 5:04:28 h2631
1993
31.05 89km RSA68th Comrades Marathon - Down Run 9:48:55 h5805
10.04 56km RSA24th Two Oceans Marathon 5:15:25 h3600
1992
18.04 56km RSA23rd Two Oceans Marathon 5:12:14 h3179
1990
31.05 87km road race RSA65th Comrades Marathon - Up Run 10:53:17 h9873
14.04 56km RSA21st Two Oceans Marathon 4:54:01 h2274