Grobler Jacobus Basson
Born : 1987 Cat. M35 Ultrarunner since 2015 RSA
23
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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
3
Countries visited ?ITAItalyJPNJapanRSASouth Africa
49,6%
Rank quotient ?This runner's calculation uses 23 eligible race(s): Σ(rank − 1) = 13 873; Σ finishers = 27 960. 13 873 / 27 960 × 100 = 49.62%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed23
Km — ultra races1 994 km
> 100 km5
> 160 km3
Longest race163,0 km

Km per year (ultra races)

402
4 races
2022
141
2 races
2023
208
2 races
2024
60
1 race
2025
105
1 race
2026

Race types (share of distance)

Road7,3%
Trail92,7%

Wins & podiums (ultra)

🏆 Win6
🏆 Win M6
🏅 Top 311
🏅 Top 3 M11
Longest winning streak4
Current streak0

HISTORY

23 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
20.06 105km JPN2nd Kaga Spa by UTMB - Kaga Spa Trail Endurance100 14:08:33 h11
2025
22.03 60km RSA2nd Pass2Pass Ultra-Trail 7:12:20 h1 🏆
2024
26.04 163km RSA8th Ultra Trail Drakensberg (UTD 160) 32:03:28 h14
02.03 45km RSA1st Pass2Pass Ultra-Trail 4:12:50 h4
2023
10.09 65km RSA29th PUFfeR - Peninsula Ultra Fun Run 5:58:25 h1 🏆
18.03 76km RSA19th Addo Elephant 76 km Trail Run 7:08:31 h1 🏆
2022
19.11 65km RSA15th SkyRun Lite 65 km 8:02:11 h1 🏆
01.10 75km RSA4th Maxi-Race Cape Winelands 75 km 8:01:35 h1 🏆
26.08 101km ITA16ème Courmayeur-Champex-Chamonix 16:06:01 h308
20.05 100mi RSA4th Mac Mac Ultra 100 Mile 23:45:40 h1 🏆
2021
20.11 100km RSA14th SkyRun 100 km 12:58:44 h2 🥈
02.10 45km RSA3rd Maxi-Race Cape Winelands 45 km 3:50:04 h3 🥉
23.04 163km RSA5th Ultra Trail Drakensberg (UTD 160) 23:54:37 h2 🥈
2020
12.12 75km RSA2nd Maxi-Race Cape Winelands 75 km 7:58:18 h2 🥈
2019
16.11 100km RSA12th SkyRun 100 km 14:49:35 h2 🥈
05.10 68km RSA1st Maxi-Race Cape Winelands 65 km 8:52:37 h4
2017
18.11 100km RSASkyRun 100 km 18:44:48 h20
24.09 55km RSA4. Marloth Mountain Challenge 8:16:36 h8
29.04 62km RSA1st Ultra Trail Drakensberg - Giant’s Cup Uncut (GCU 62) 9:12:01 h7
15.04 56km RSA48th Two Oceans Marathon 5:29:27 h2387
2016
29.05 89km RSA91st Comrades Marathon - Down Run 11:29:43 h10974
2015
21.11 100km RSA9th SkyRun 100 km 27:51:00 h63
03.10 65km RSA2nd Ultra-Trail Cape Town (UTCT) 65 km 12:36:05 h79