Dee Claassen
ID 1069071
Born : 1967 Cat. W55 Ultrarunner since 2018 RSA
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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
2
Countries visited ?GBRUnited KingdomRSASouth Africa
43,0%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 28 163; Σ finishers = 65 521. 28 163 / 65 521 × 100 = 42.98%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed16
Km — ultra races996 km
Longest race100,0 km
8th Race to the Stones — 10/7/2021

Km per year (ultra races)

106
2 races
2022
237
4 races
2023
2024
56
1 race
2025
2026

Race types (share of distance)

Road37,8%
Trail62,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F1
🏅 Top 31
🏅 Top 3 F1
Longest winning streak0
Current streak0

Records

50 km5h08'29100 km13h45'08

HISTORY

16 race(s) · 2 split(s) nested
DateRacePerf.Rk
2025
06.04 56km RSA55th Two Oceans Marathon 5:40:19 h3540
2023
11.06 87km RSA96th Comrades Marathon - Down Run 9:48:35 h5650
07.05 50km GBR5th Chiltern Ridge Ultra Trail 6:16:21 h101
25.03 50km GBR3rd Lea Valley 50 km 5:08:29 h44
04.03 31mi GBRHumanity Direct Amersham Ultra 5:37:02 h41
2022
30.07 50km GBRRound Reading Ultra Marathon 50km 5:14:16 h73
16.04 56km RSA52th Two Oceans Marathon 5:36:46 h1443
2021
10.07 100km GBR8th Race to the Stones 13:45:08 h315
05.06 50km GBRRun to the Sea: Brighton 5:31:27 h60
2019
09.06 87km RSA94th Comrades Marathon - Up Run 10:23:51 h6884
27.04 60km GBRFox Ultra 6:47:21 h81
09.03 50km GBRHumanity Direct Amersham Ultra 5:46:14 h91
2018
10.06 90km RSA93rd Comrades Marathon - Down Run 10:53:05 h9710
21.04 60km GBRFox Ultra 7:13:52 h81
30.03 50km GBREnigma Easter Ultra 5:13:00 h2 🥈
10.03 50km GBRHumanity Direct Amersham Ultra 6:02:23 h63