Justin Sher
ID 238151
Born : 1980 Cat. M45 Ultrarunner since 2011 RSA
43
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
11,6%
Rank quotient ?This runner's calculation uses 43 eligible race(s): Σ(rank − 1) = 27 243; Σ finishers = 233 959. 27 243 / 233 959 × 100 = 11.64%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed43
Km — ultra races4 064 km
> 100 km11
> 160 km11
> 24h5
Longest race177,0 km
Running Festival Ou Rondawel 24 Hour Race — 27/12/2017

Km per year (ultra races)

268
4 races
2022
87
1 race
2023
135
2 races
2024
90
1 race
2025
86
1 race
2026

Race types (share of distance)

Road98,0%
Elim.2,0%

Wins & podiums (ultra)

🏆 Win4
🏆 Win M4
🏅 Top 35
🏅 Top 3 M5
Longest winning streak2
Current streak0

Records

50 km3h57'3650 mi7h59'23100 mi17h50'2212 h91,73 km24 h177,00 kmBackyard12 loops

HISTORY

50 race(s) · 2 split(s) nested
DateRacePerf.Rk
2026
14.06 86km RSA99th Comrades Marathon - Up Run 7:55:33 h1356
2025
08.06 90km RSA98th Comrades Marathon - Down Run 8:26:36 h1960
2024
09.06 87km RSA97th Comrades Marathon - Up Run 7:30:24 h863
21.04 48km RSA1st BNAC Marathon 3:49:45 h33
2023
11.06 87km RSA96th Comrades Marathon - Down Run 7:54:17 h1256
2022
28.08 90km RSA95th Comrades Marathon - Down Run 8:33:33 h1305
11.06 50km RSA31th Om Die Dam 50km 3:57:36 h160
09.04 48km RSA1st Irene Running Festival 48K 3:50:53 h72
26.02 Backyard Ultra RSA6th Backyard Ultra Series - Taroko Trail Park 80.472 km (12h)9
2019
09.06 87km RSA94th Comrades Marathon - Up Run 8:36:08 h1869
16.03 50km RSA29th Om Die Dam 50km 4:08:59 h190
2018
10.06 90km RSA93rd Comrades Marathon - Down Run 7:40:15 h730
14.04 50km RSAPietersburg Road Runners 24 Hours Track Race - 50km Split 4:46:46 h13
14.04 50mi RSAPietersburg Road Runners 24 Hours Track Race - 50mi Split 8:25:18 h11
14.04 100km RSAPietersburg Road Runners 24 Hours Track Race - 100km Split 10:41:30 h8
14.04 100mi RSAPietersburg Road Runners 24 Hours Track Race - 100mi Split 21:42:02 h10
14.04 6h RSAPietersburg Road Runners 24 Hours Track Race - 6h Split 61.200 km10
14.04 12h RSAPietersburg Road Runners 24 Hours Track Race - 12h Split 110.800 km6
14.04 24h RSAPietersburg Road Runners 24 Hours Track Race 161.200 km12
17.03 50km RSA28th Om Die Dam 50km 4:01:53 h145
2017
27.12 24h RSARunning Festival Ou Rondawel 24 Hour Race 177.000 km2 🥈
23.09 24h RSA5th Capital Classic 24 hour 167.000 km1 🏆
30.07 12h RSA1st Ultimate Circuits South Africa 12 Hour Challenge 91.732 km1 🏆
07.07 100mi RSA41st Washie 100 Miler 18:35:40 h6
04.06 87km RSA92nd Comrades Marathon - Up Run 9:09:56 h2518
15.04 56km RSA48th Two Oceans Marathon 4:25:47 h384
02.04 48km RSAModern Athlete Irene Ultra 3:37:24 h75
18.03 50km RSA27th Om Die Dam 50km 4:01:35 h173
2016
17.09 24h RSA4th Capital Classic 24 hour 164.000 km1 🏆
22.07 100mi RSA40th Washie 100 Miler 17:50:22 h6
29.05 89km RSA91st Comrades Marathon - Down Run 7:23:24 h515
2015
03.10 80km RSA45th Laingsburg Karoo Ultra-Marathon 8:08:27 h23
27.09 50km RSACity2City Ultra Marathon 4:28:11 h253
03.07 100mi RSA39th Washie 100 Miler 22:23:12 h23
31.05 87km RSA90th Comrades Marathon - Up Run 10:19:58 h4665
2014
20.12 24h RSA1st Running Festival Johannesburg 24 hours race 165.792 km1 🏆
11.07 100mi RSA38th Washie 100 Miler 19:19:01 h9
01.06 89km RSA89th Comrades Marathon - Down Run 8:47:57 h1866
18.04 56km road race RSA45th Two Oceans Marathon 4:30:25 h469
15.03 50km RSA24th Om Die Dam 50km 4:36:32 h364
2013
29.09 50km RSACity2City Ultra Marathon 4:57:23 h574
07.09 80km RSA43rd Laingsburg Karoo Ultra-Marathon 7:59:23 h31
19.07 100mi RSA37th Washie 100 Miler 18:59:01 h10
02.06 87km road race RSA88th Comrades Marathon - Up Run 9:22:38 h2135
20.04 50km road race RSA27th Loskop Ultra Marathon 50km 3:58:58 h227
2012
27.07 100mi RSA36th Washie 100 Miler 20:23:24 h15
03.06 89km road race RSA87th Comrades Marathon - Down Run 8:57:08 h2556
17.03 50km RSA22nd Om Die Dam 50km 4:20:43 h374
2011
10.09 80km RSA41st Laingsburg Karoo Ultra-Marathon 8:34:36 h49
23.04 50km road race RSA42nd Two Oceans Marathon - 50km Split 4:11:24 h754