Riaan van Zyl
ID 904085
Born : 1988 Cat. M35 Ultrarunner since 2016 RSA
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
42
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
6,5%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 13 855; Σ finishers = 213 319. 13 855 / 213 319 × 100 = 6.49%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races1 988 km
> 100 km2
Longest race147,5 km
2nd Living Colour Backyard Ultra — 4/5/2024

Km per year (ultra races)

340
5 races
2022
193
3 races
2023
341
4 races
2024
246
4 races
2025
192
3 races
2026

Race types (share of distance)

Road81,4%
Elim.18,6%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0

Records

50 km3h15'45Backyard22 loops

HISTORY

28 race(s) · 5 split(s) nested
DateRacePerf.Rk
2026
14.06 86km RSA99th Comrades Marathon - Up Run 6:06:32 h64
25.04 50km RSA37th Loskop Ultra Marathon 50km 3:15:45 h15
05.04 56km RSA56th Two Oceans Marathon 3:44:25 h93
2025
08.06 90km RSA98th Comrades Marathon - Down Run 6:13:57 h74
26.04 50km RSA36th Loskop Ultra Marathon 50km 3:18:50 h14
06.04 56km RSA55th Two Oceans Marathon 3:49:50 h88
15.03 50km RSA34th Om Die Dam 50km 3:48:47 h81
2024
09.06 87km RSA97th Comrades Marathon - Up Run 6:04:31 h54
04.05 Backyard Ultra RSA2nd Living Colour Backyard Ultra 147.532 km (22h)2 🥈
13.04 56km RSA54th Two Oceans Marathon 3:48:13 h73
16.03 50km RSA33th Om Die Dam 50km 3:34:45 h37
2023
11.06 87km RSA96th Comrades Marathon - Down Run 6:51:03 h278
15.04 56km RSA53th Two Oceans Marathon 3:54:45 h100
18.03 50km RSA32th Om Die Dam 50km 3:44:52 h61
2022
28.08 90km RSA95th Comrades Marathon - Down Run 8:25:07 h1128
11.06 50km RSA31th Om Die Dam 50km 3:35:45 h63
28.05 Backyard Ultra RSA1st Helderberg Farm Backyard Ultra 93.884 km (14h)8
14.05 50km RSA41th Bruintjieshoogte Ultra Marathon 50km 3:41:36 h4
16.04 56km RSA52th Two Oceans Marathon 4:05:27 h160
2021
24.04 Backyard Ultra RSA2nd Backyard Ultra Series - Welbedacht Wine Estate 127.414 km (19h)2 🥈
2020
14.03 50km RSA30th Om Die Dam 50km 3:41:53 h57
2019
09.06 87km RSA94th Comrades Marathon - Up Run 7:27:12 h532
2018
10.06 90km RSA93rd Comrades Marathon - Down Run 8:13:15 h1312
08.04 48km RSAModern Athlete Irene Ultra 3:46:37 h90
17.03 50km RSA28th Om Die Dam 50km 3:59:21 h132
2017
04.06 87km RSA92nd Comrades Marathon - Up Run 8:49:59 h1966
02.04 48km RSAModern Athlete Irene Ultra 4:55:01 h996
2016
29.05 89km RSA91st Comrades Marathon - Down Run 10:25:29 h6399