Louis Massyn

ID 301951

Born : 1950 Cat. M75 Ultrarunner since 1973

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

South Africa

42,6%

Rank quotient ?This runner's calculation uses 95 eligible race(s): Σ(rank − 1) = 291 735; Σ finishers = 684 453. 291 735 / 684 453 × 100 = 42.62%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed95

Km — ultra races6 657 km

Longest race91,0 km

57th Comrades Marathon - Down Run — 31/5/1982

Km per year (ultra races)

108

2022

193

2023

143

2024

2025

2026

Race types (share of distance)

Road96,1%

Trail3,9%

Records

50 km4h48'54

HISTORY

97 race(s) · 12 split(s) nested

Date		Race	Perf.	Rk
2026
05.04	56km	56th Two Oceans Marathon	6:52:59 h	9959
05.04	56km	56th Two Oceans Marathon - 50km Split	6:06:39 h	9792
2025
08.06	90km	98th Comrades Marathon - Down Run	11:53:14 h	16968
06.04	50km	55th Two Oceans Marathon - 50km Split	6:16:37 h	10918
2024
09.06	87km	97th Comrades Marathon - Up Run	11:35:51 h	14282
13.04	56km	54th Two Oceans Marathon	6:14:50 h	6369
13.04	50km	54th Two Oceans Marathon - 50km Split	5:35:53 h	6558
2023
11.06	87km	96th Comrades Marathon - Down Run	11:41:33 h	13575
07.05	50km	2nd KIA False Bay 50km	5:40:23 h	477
15.04	56km	53th Two Oceans Marathon	6:36:47 h	6419
15.04	50km	53th Two Oceans Marathon - 50km Split	5:53:24 h	6421
2022
04.06	52km	1st SWASAP Ultra Marathon	6:13:01 h	159
16.04	56km	52th Two Oceans Marathon	6:27:12 h	3003
16.04	50km	52th Two Oceans Marathon - 50km Split	5:45:16 h	3052
2019
09.06	87km	94th Comrades Marathon - Up Run	11:51:52 h	14987
20.04	56km	50th Two Oceans Marathon	6:46:04 h	8724
20.04	50km	50th Two Oceans Marathon - 50km Split	5:58:42 h	8683
2018
10.06	90km	93rd Comrades Marathon - Down Run	11:46:39 h	14535
31.03	56km	49th Two Oceans Marathon	6:47:08 h	7750
31.03	50km	49th Two Oceans Marathon - 50km Split	5:59:02 h	7363
2017
04.06	87km	92nd Comrades Marathon - Up Run	10:59:36 h	8586
15.04	56km	48th Two Oceans Marathon	6:28:55 h	6510
15.04	50km	48th Two Oceans Marathon - 50km Split	5:44:19 h	6201
2016
29.05	89km	91st Comrades Marathon - Down Run	11:09:55 h	9671
26.03	56km	47th Two Oceans Marathon	6:08:24 h	4793
26.03	50km	47th Two Oceans Marathon - 50km Split	5:29:09 h	4836
2015
31.05	87km	90th Comrades Marathon - Up Run	11:24:25 h	8792
04.04	56km	46th Two Oceans Marathon	6:57:42 h	8436
04.04	50km	46th Two Oceans Marathon - 50km Split	6:15:33 h	8395
2014
01.06	89km	89th Comrades Marathon - Down Run	10:44:06 h	6306
18.04	56km road race	45th Two Oceans Marathon	6:40:49 h	6775
18.04	50km	45th Two Oceans Marathon - 50km Split	5:58:22 h	6904
2013
02.06	87km road race	88th Comrades Marathon - Up Run	11:16:02 h	6566
30.03	56km road race	44th Two Oceans Marathon	6:14:49 h	5362
30.03	50km road race	44th Two Oceans Marathon - 50km Split (RSA)	5:30:49 h	5148
2012
03.06	89km road race	87th Comrades Marathon - Down Run	11:23:31 h	8919
07.04	56km road race	43rd Two Oceans Marathon	5:44:52 h	3362
07.04	50km road race	43rd Two Oceans Marathon - 50km Split (RSA)	5:06:12 h	3331
2011
23.04	50km road race	42nd Two Oceans Marathon - 50km Split	5:12:42 h	3158
2007
14.07	52km	19th Rhodes 52 km Trail Run	7:42:31 h	166
2006
09.09	50km	14. Mont-Aux-Sources 50km Challenge	7:58:18 h	116
2005
26.03	56km road race	36th Two Oceans Marathon	5:43:38 h	3337
2004
17.07	52km	16th Rhodes 52 km Trail Run	7:01:37 h	143
16.06	87km road race	79th Comrades Marathon - Up Run	9:56:20 h	4170
10.04	56km road race	35th Two Oceans Marathon	5:13:42 h	2356
20.03	50km road race	14th Om Die Dam 50km	4:54:39 h	1013
2003
19.07	52km	15th Rhodes 52 km Trail Run	6:49:58 h	120
16.06	89km road race	78th Comrades Marathon - Down Run	10:36:29 h	7105
19.04	56km road race	34th Two Oceans Marathon	5:20:20 h	2135
15.03	50km road race	13th Om Die Dam 50km	5:01:42 h	1185
2002
17.06	87km road race	77th Comrades Marathon - Up Run	10:17:37 h	5498
30.03	56km	33rd Two Oceans Marathon	5:48:55 h	3607
2001
21.07	52km	13th Rhodes 52 km Trail Run	6:44:42 h	81
16.06	89km road race	76th Comrades Marathon - Down Run	9:13:09 h	3524
14.04	56km	32rd Two Oceans Marathon	4:46:12 h	1083
2000
16.06	87km road race	75th Comrades Marathon - Up Run	8:53:44 h	3539
22.04	56km	31st Two Oceans Marathon	5:11:45 h	2374
18.03	50km	10th Om Die Dam 50km	4:48:54 h	1228
1999
16.06	89km	74th Comrades Marathon - Down Run	9:03:22 h	3198
03.04	56km	30th Two Oceans Marathon	4:56:52 h	1670
1998
16.06	87km	73rd Comrades Marathon - Up Run	10:08:35 h	5809
11.04	56km	29th Two Oceans Marathon	5:14:26 h	2675
1997
16.06	89km	72nd Comrades Marathon - Down Run	9:16:26 h	3758
29.03	56km	28th Two Oceans Marathon	4:49:43 h	1535
1996
17.06	87km	71st Comrades Marathon - Up Run	7:58:50 h	1412
06.04	56km	27th Two Oceans Marathon	4:50:36 h	1674
1995
20.05	89km	70th Comrades Marathon - Down Run	9:04:13 h	2926
15.04	56km	26th Two Oceans Marathon	4:25:44 h	818
1994
31.05	87km	69th Comrades Marathon - Up Run	7:51:45 h	1074
02.04	56km	25th Two Oceans Marathon	4:12:23 h	569
1993
31.05	89km	68th Comrades Marathon - Down Run	7:56:45 h	1474
10.04	56km	24th Two Oceans Marathon	4:29:45 h	1178
1992
30.05	87km	67th Comrades Marathon - Up Run	7:42:49 h	1024
18.04	56km	23rd Two Oceans Marathon	4:22:32 h	763
1991
31.05	89km	66th Comrades Marathon - Down Run	8:22:54 h	2353
30.03	56km	22nd Two Oceans Marathon	4:29:00 h	918
1990
31.05	87km road race	65th Comrades Marathon - Up Run	7:45:30 h	1048
14.04	56km	21st Two Oceans Marathon	4:08:59 h	559
1989
31.05	89km	64th Comrades Marathon - Down Run	7:06:39 h	374
25.03	56km	20th Two Oceans Marathon	4:09:58 h	395
1988
31.05	87km	63rd Comrades Marathon - Up Run	7:22:00 h	724
02.04	56km	19th Two Oceans Marathon	4:00:50 h	367
1987
31.05	87km	62nd Comrades Marathon - Up Run	7:07:11 h	302
18.04	56km	18th Two Oceans Marathon	3:57:59 h	268
1986
31.05	89km	61st Comrades Marathon - Down Run	8:03:28 h	1842
29.03	56km	17th Two Oceans Marathon	4:16:40 h	636
1985
31.05	88km	60th Comrades Marathon - Up Run	7:43:20 h	777
06.04	56km	16th Two Oceans Marathon	3:57:30 h	268
1984
01.06	90km	59th Comrades Marathon - Down Run	6:46:36 h	177
21.04	56km	15th Two Oceans Marathon	3:46:23 h	89
1983
31.05	88km	58th Comrades Marathon - Up Run	6:56:43 h	156
02.04	56km	14th Two Oceans Marathon	3:45:44 h	77
1982
31.05	91km	57th Comrades Marathon - Down Run	7:13:50 h	322
10.04	56km	13th Two Oceans Marathon	4:32:16 h	636
1981
01.06	90km	56th Comrades Marathon - Up Run	6:50:15 h	102
18.04	56km	12th Two Oceans Marathon	3:41:15 h	59
1980
31.05	90km	55th Comrades Marathon - Down Run	6:25:00 h	53
05.04	56km	11th Two Oceans Marathon	3:49:39 h	67
1979
31.05	87km	54th Comrades Marathon - Up Run	7:00:36 h	121
14.04	56km	10th Two Oceans Marathon	4:06:19 h	145
1978
31.05	90km	53rd Comrades Marathon - Down Run	7:05:00 h	158
25.03	56km	9th Two Oceans Marathon	4:16:35 h	124
1977
31.05	89km	52nd Comrades Marathon - Up Run	8:19:00 h	422
09.04	56km	8th Two Oceans Marathon	4:12:09 h	104
1976
31.05	90km	51st Comrades Marathon - Down Run	7:48:00 h	285
17.04	56km	7th Two Oceans Marathon	4:25:56 h	119
1975
31.05	87km	50th Comrades Marathon - Up Run	8:36:00 h	543
1974
31.05	87km	49th Comrades Marathon - Up Run	9:22:00 h	608
1973
01.06	88km	48th Comrades Marathon - Down Run	10:14:00 h	1010

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	31/5/1982	57th Comrades Marathon - Down Run	91,00	×1
✓ 2	8/6/2025	98th Comrades Marathon - Down Run	90,00	×1
✓ 3	10/6/2018	93rd Comrades Marathon - Down Run	90,00	×1
✓ 4	1/6/1984	59th Comrades Marathon - Down Run	90,00	×1
✓ 5	1/6/1981	56th Comrades Marathon - Up Run	90,00	×1
✓ 6	31/5/1980	55th Comrades Marathon - Down Run	90,00	×1
✓ 7	31/5/1978	53rd Comrades Marathon - Down Run	90,00	×1
✓ 8	31/5/1976	51st Comrades Marathon - Down Run	90,00	×1
✓ 9	29/5/2016	91st Comrades Marathon - Down Run	89,00	×1
✓ 10	1/6/2014	89th Comrades Marathon - Down Run	89,00	×1
✓ 11	3/6/2012	87th Comrades Marathon - Down Run (RSA)	89,00	×1
✓ 12	16/6/2003	78th Comrades Marathon - Down Run (RSA)	89,00	×1
✓ 13	16/6/2001	76th Comrades Marathon - Down Run (RSA)	89,00	×1
✓ 14	16/6/1999	74th Comrades Marathon - Down Run	89,00	×1
✓ 15	16/6/1997	72nd Comrades Marathon - Down Run	89,00	×1
✓ 16	20/5/1995	70th Comrades Marathon - Down Run	89,00	×1
✓ 17	31/5/1993	68th Comrades Marathon - Down Run	89,00	×1
✓ 18	31/5/1991	66th Comrades Marathon - Down Run	89,00	×1
✓ 19	31/5/1989	64th Comrades Marathon - Down Run	89,00	×1
✓ 20	31/5/1986	61st Comrades Marathon - Down Run	89,00	×1
✓ 21	31/5/1977	52nd Comrades Marathon - Up Run	89,00	×1
✓ 22	31/5/1985	60th Comrades Marathon - Up Run	88,00	×1
✓ 23	31/5/1983	58th Comrades Marathon - Up Run	88,00	×1
✓ 24	1/6/1973	48th Comrades Marathon - Down Run	88,00	×1
✓ 25	9/6/2024	97th Comrades Marathon - Up Run	87,00	×1
✓ 26	11/6/2023	96th Comrades Marathon - Down Run	87,00	×1
✓ 27	9/6/2019	94th Comrades Marathon - Up Run	87,00	×1
✓ 28	4/6/2017	92nd Comrades Marathon - Up Run	87,00	×1
✓ 29	31/5/2015	90th Comrades Marathon - Up Run	87,00	×1
✓ 30	2/6/2013	88th Comrades Marathon - Up Run (RSA)	87,00	×1
✓ 31	16/6/2004	79th Comrades Marathon - Up Run (RSA)	87,00	×1
✓ 32	17/6/2002	77th Comrades Marathon - Up Run (RSA)	87,00	×1
✓ 33	16/6/2000	75th Comrades Marathon - Up Run (RSA)	87,00	×1
✓ 34	16/6/1998	73rd Comrades Marathon - Up Run	87,00	×1
✓ 35	17/6/1996	71st Comrades Marathon - Up Run	87,00	×1
✓ 36	31/5/1994	69th Comrades Marathon - Up Run	87,00	×1
✓ 37	30/5/1992	67th Comrades Marathon - Up Run	87,00	×1
✓ 38	31/5/1990	65th Comrades Marathon - Up Run (RSA)	87,00	×1
✓ 39	31/5/1988	63rd Comrades Marathon - Up Run	87,00	×1
✓ 40	31/5/1987	62nd Comrades Marathon - Up Run	87,00	×1
✓ 41	31/5/1979	54th Comrades Marathon - Up Run	87,00	×1
✓ 42	31/5/1975	50th Comrades Marathon - Up Run	87,00	×1
✓ 43	31/5/1974	49th Comrades Marathon - Up Run	87,00	×1
✓ 44	5/4/2026	56th Two Oceans Marathon	56,00	×1
✓ 45	13/4/2024	54th Two Oceans Marathon	56,00	×1
✓ 46	15/4/2023	53th Two Oceans Marathon	56,00	×1
✓ 47	16/4/2022	52th Two Oceans Marathon	56,00	×1
✓ 48	20/4/2019	50th Two Oceans Marathon	56,00	×1
✓ 49	31/3/2018	49th Two Oceans Marathon	56,00	×1
✓ 50	15/4/2017	48th Two Oceans Marathon	56,00	×1
✓ 51	26/3/2016	47th Two Oceans Marathon	56,00	×1
✓ 52	4/4/2015	46th Two Oceans Marathon	56,00	×1
✓ 53	18/4/2014	45th Two Oceans Marathon (RSA)	56,00	×1
✓ 54	30/3/2013	44th Two Oceans Marathon (RSA)	56,00	×1
✓ 55	7/4/2012	43rd Two Oceans Marathon (RSA)	56,00	×1
✓ 56	26/3/2005	36th Two Oceans Marathon (RSA)	56,00	×1
57	10/4/2004	35th Two Oceans Marathon (RSA)	56,00	×1
58	19/4/2003	34th Two Oceans Marathon (RSA)	56,00	×1
59	30/3/2002	33rd Two Oceans Marathon	56,00	×1
60	14/4/2001	32rd Two Oceans Marathon	56,00	×1
61	22/4/2000	31st Two Oceans Marathon	56,00	×1
62	3/4/1999	30th Two Oceans Marathon	56,00	×1
63	11/4/1998	29th Two Oceans Marathon	56,00	×1
64	29/3/1997	28th Two Oceans Marathon	56,00	×1
65	6/4/1996	27th Two Oceans Marathon	56,00	×1
66	15/4/1995	26th Two Oceans Marathon	56,00	×1
67	2/4/1994	25th Two Oceans Marathon	56,00	×1
68	10/4/1993	24th Two Oceans Marathon	56,00	×1
69	18/4/1992	23rd Two Oceans Marathon	56,00	×1
70	30/3/1991	22nd Two Oceans Marathon	56,00	×1
71	14/4/1990	21st Two Oceans Marathon	56,00	×1
72	25/3/1989	20th Two Oceans Marathon	56,00	×1
73	2/4/1988	19th Two Oceans Marathon	56,00	×1
74	18/4/1987	18th Two Oceans Marathon	56,00	×1
75	29/3/1986	17th Two Oceans Marathon	56,00	×1
76	6/4/1985	16th Two Oceans Marathon	56,00	×1
77	21/4/1984	15th Two Oceans Marathon	56,00	×1
78	2/4/1983	14th Two Oceans Marathon	56,00	×1
79	10/4/1982	13th Two Oceans Marathon	56,00	×1
80	18/4/1981	12th Two Oceans Marathon	56,00	×1
81	5/4/1980	11th Two Oceans Marathon	56,00	×1
82	14/4/1979	10th Two Oceans Marathon	56,00	×1
83	25/3/1978	9th Two Oceans Marathon	56,00	×1
84	9/4/1977	8th Two Oceans Marathon	56,00	×1
85	17/4/1976	7th Two Oceans Marathon	56,00	×1
86	4/6/2022	1st SWASAP Ultra Marathon	52,00	—
87	14/7/2007	19th Rhodes 52 km Trail Run	52,00	—
88	17/7/2004	16th Rhodes 52 km Trail Run	52,00	—
89	19/7/2003	15th Rhodes 52 km Trail Run	52,00	—
90	21/7/2001	13th Rhodes 52 km Trail Run	52,00	—
91	7/5/2023	2nd KIA False Bay 50km	50,00	—
92	9/9/2006	14. Mont-Aux-Sources 50km Challenge	50,00	—
93	20/3/2004	14th Om Die Dam 50km (RSA)	50,00	—
94	15/3/2003	13th Om Die Dam 50km (RSA)	50,00	—
95	18/3/2000	10th Om Die Dam 50km	50,00	—