Vuka Vuyisile Sam

Born : 1976 Cat. M50 Ultrarunner since 2015

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

45,7%

Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 72 457; Σ finishers = 158 682. 72 457 / 158 682 × 100 = 45.66%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19

Km — ultra races1 233 km

Longest race90,0 km

98th Comrades Marathon - Down Run — 8/6/2025

Km per year (ultra races)

2022

2023

2024

140

2025

142

2026

Race types (share of distance)

Road100,0%

Records

50 km4h45'33

HISTORY

19 race(s) · 6 split(s) nested

Date		Race	Perf.	Rk
2026
14.06	86km	99th Comrades Marathon - Up Run	10:36:07 h	9359
05.04	56km	56th Two Oceans Marathon	5:48:39 h	4336
05.04	56km	56th Two Oceans Marathon - 50km Split	5:08:00 h	4088
2025
08.06	90km	98th Comrades Marathon - Down Run	9:58:36 h	6679
16.03	50km	7th Human Rights Real Gijimas Ultra 50km	5:57:04 h	254
2023
19.03	50km	5th Human Rights Real Gijimas Ultra 50km	5:22:49 h	168
2019
09.06	87km	94th Comrades Marathon - Up Run	10:55:54 h	9741
20.04	56km	50th Two Oceans Marathon	5:48:34 h	3792
20.04	50km	50th Two Oceans Marathon - 50km Split	5:10:25 h	3923
09.02	50km	Bay Ultra 50 km	5:11:27 h	200
2018
10.06	90km	93rd Comrades Marathon - Down Run	10:22:39 h	7010
31.03	56km	49th Two Oceans Marathon	5:39:13 h	2781
31.03	50km	49th Two Oceans Marathon - 50km Split	4:56:25 h	2505
03.02	50km	Bay Ultra 50 km	4:45:46 h	95
2017
04.06	87km	92nd Comrades Marathon - Up Run	10:42:46 h	6860
15.04	56km	48th Two Oceans Marathon	5:27:10 h	2280
15.04	50km	48th Two Oceans Marathon - 50km Split	4:51:05 h	2260
18.03	50km	39th Bruintjieshoogte Ultra Marathon 50km	4:45:33 h	54
2016
29.05	89km	91st Comrades Marathon - Down Run	10:49:58 h	8220
16.04	50km	38th Bruintjieshoogte Ultra Marathon 50km	5:20:26 h	99
26.03	56km	47th Two Oceans Marathon	5:45:04 h	3159
26.03	50km	47th Two Oceans Marathon - 50km Split	5:06:23 h	3084
2015
03.10	68km	3rd Legends Marathon	7:38:59 h	181
04.04	56km	46th Two Oceans Marathon	6:43:14 h	7208
04.04	50km	46th Two Oceans Marathon - 50km Split	5:58:03 h	7077

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	8/6/2025	98th Comrades Marathon - Down Run	90,00	×3
✓ 2	10/6/2018	93rd Comrades Marathon - Down Run	90,00	×3
✓ 3	29/5/2016	91st Comrades Marathon - Down Run	89,00	×3
✓ 4	9/6/2019	94th Comrades Marathon - Up Run	87,00	×3
✓ 5	4/6/2017	92nd Comrades Marathon - Up Run	87,00	×3
✓ 6	14/6/2026	99th Comrades Marathon - Up Run	86,00	×2
✓ 7	3/10/2015	3rd Legends Marathon	68,00	×2
✓ 8	5/4/2026	56th Two Oceans Marathon	56,00	×1
✓ 9	20/4/2019	50th Two Oceans Marathon	56,00	×1
✓ 10	31/3/2018	49th Two Oceans Marathon	56,00	×1
✓ 11	15/4/2017	48th Two Oceans Marathon	56,00	×1
✓ 12	26/3/2016	47th Two Oceans Marathon	56,00	×1
✓ 13	4/4/2015	46th Two Oceans Marathon	56,00	×1
✓ 14	16/3/2025	7th Human Rights Real Gijimas Ultra 50km	50,00	×1
✓ 15	19/3/2023	5th Human Rights Real Gijimas Ultra 50km	50,00	×1
✓ 16	9/2/2019	Bay Ultra 50 km	50,00	×1
✓ 17	3/2/2018	Bay Ultra 50 km	50,00	×1
✓ 18	18/3/2017	39th Bruintjieshoogte Ultra Marathon 50km	50,00	×1
✓ 19	16/4/2016	38th Bruintjieshoogte Ultra Marathon 50km	50,00	×1