Compare
Athlete head-to-head
Compare career records, current form and shared race results. Use athlete slugs, names, or profile IDs.
Battle read
Diede Diederiks leads the stored head-to-head
Last 5 shared: Jana Uderstadt 1, Diede Diederiks 4. This only counts races where both athletes have stored results.
Win share
Jana Uderstadt
17%
Win share
Diede Diederiks
83%
Latest shared race
2025 Ironman Hawaii
10/10/2025 · edge Diede Diederiks
15
Jana Uderstadt
14
Diede Diederiks
Head-to-head
Jana Uderstadt vs Diede Diederiks
Diede Diederiks leads: 1-5 across 6 shared starts
Last 5 shared: Jana Uderstadt 1, Diede Diederiks 4
Latest shared race: 2025 Ironman Hawaii - edge Diede Diederiks
Career starts: Jana Uderstadt 22, Diede Diederiks 36
Career wins: Jana Uderstadt 2, Diede Diederiks 6
22
Starts
36
2
Wins
6
4
Podiums
13
16
Top 10s
27
#1
Best
#1
#7.3
Avg pos
#7.1
1075
Points
2073
1
Jana Uderstadt head-to-head wins
6
Shared race starts
5
Diede Diederiks head-to-head wins
Shared races
Only races where both athletes have a stored result are shown.
2025 Ironman Hawaii
10/10/2025
15
Jana Uderstadt
9:09:32
14
Diede Diederiks
9:08:58
2024 Ironman 70.3 Poznan
8/31/2024
5
Jana Uderstadt
4:09:46
7
Diede Diederiks
4:15:02
2024 Ironman 70.3 Kraichgau
5/25/2024
5
Jana Uderstadt
4:27:05
4
Diede Diederiks
4:26:38
2022 Ironman 70.3 Poznan
9/3/2022
5
Jana Uderstadt
4:21:32
1
Diede Diederiks
4:10:07
2021 Ironman 70.3 Warsaw
9/4/2021
4
Jana Uderstadt
4:31:14
1
Diede Diederiks
4:14:59
2021 Challenge Walchsee
6/26/2021
21
Jana Uderstadt
4:46:51
9
Diede Diederiks
4:18:52
| Race | Jana Uderstadt | Diede Diederiks | Edge |
|---|---|---|---|
| 2025 Ironman Hawaii 10/10/2025 | 15 9:09:32 | 14 9:08:58 | B |
| 2024 Ironman 70.3 Poznan 8/31/2024 | 5 4:09:46 | 7 4:15:02 | A |
| 2024 Ironman 70.3 Kraichgau 5/25/2024 | 5 4:27:05 | 4 4:26:38 | B |
| 2022 Ironman 70.3 Poznan 9/3/2022 | 5 4:21:32 | 1 4:10:07 | B |
| 2021 Ironman 70.3 Warsaw 9/4/2021 | 4 4:31:14 | 1 4:14:59 | B |
| 2021 Challenge Walchsee 6/26/2021 | 21 4:46:51 | 9 4:18:52 | B |