Compare
Athlete head-to-head
Compare career records, current form and shared race results. Use athlete slugs, names, or profile IDs.
Battle read
Stored head-to-head is tied
Last 5 shared: Robert Kallin 1, Kacper Stepniak 4. This only counts races where both athletes have stored results.
Win share
Robert Kallin
50%
Win share
Kacper Stepniak
50%
Latest shared race
2026 Ironman Texas
4/17/2026 · edge Kacper Stepniak
DNF
Robert Kallin
13
Kacper Stepniak
Head-to-head
Robert Kallin vs Kacper Stepniak
Head-to-head tied: 4-4 across 8 shared starts
Last 5 shared: Robert Kallin 1, Kacper Stepniak 4
Latest shared race: 2026 Ironman Texas - edge Kacper Stepniak
Career starts: Robert Kallin 29, Kacper Stepniak 36
Career wins: Robert Kallin 0, Kacper Stepniak 4
29
Starts
36
0
Wins
4
3
Podiums
8
18
Top 10s
23
#2
Best
#1
#10.5
Avg pos
#8.7
1916
Points
2270
4
Robert Kallin head-to-head wins
8
Shared race starts
4
Kacper Stepniak head-to-head wins
Shared races
Only races where both athletes have a stored result are shown.
2026 Ironman Texas
4/17/2026
DNF
Robert Kallin
DNF
13
Kacper Stepniak
7:35:54
2025 Ironman 70.3 World Championship
11/7/2025
19
Robert Kallin
3:55:42
29
Kacper Stepniak
3:58:32
2025 Ironman Texas
4/25/2025
18
Robert Kallin
8:01:30
10
Kacper Stepniak
7:45:05
2024 Ironman Hawaii
10/25/2024
23
Robert Kallin
8:07:25
14
Kacper Stepniak
7:58:08
2024 Ironman 70.3 Tallinn
8/24/2024
8
Robert Kallin
3:44:31
4
Kacper Stepniak
3:39:52
2022 Ironman Israel
11/24/2022
6
Robert Kallin
7:57:12
11
Kacper Stepniak
8:05:35
2021 Ironman 70.3 Gdynia
8/7/2021
2
Robert Kallin
3:53:15
4
Kacper Stepniak
3:56:52
2020 Ironman 70.3 Gdynia
9/5/2020
4
Robert Kallin
3:46:01
15
Kacper Stepniak
3:58:25
| Race | Robert Kallin | Kacper Stepniak | Edge |
|---|---|---|---|
| 2026 Ironman Texas 4/17/2026 | DNF DNF | 13 7:35:54 | B |
| 2025 Ironman 70.3 World Championship 11/7/2025 | 19 3:55:42 | 29 3:58:32 | A |
| 2025 Ironman Texas 4/25/2025 | 18 8:01:30 | 10 7:45:05 | B |
| 2024 Ironman Hawaii 10/25/2024 | 23 8:07:25 | 14 7:58:08 | B |
| 2024 Ironman 70.3 Tallinn 8/24/2024 | 8 3:44:31 | 4 3:39:52 | B |
| 2022 Ironman Israel 11/24/2022 | 6 7:57:12 | 11 8:05:35 | A |
| 2021 Ironman 70.3 Gdynia 8/7/2021 | 2 3:53:15 | 4 3:56:52 | A |
| 2020 Ironman 70.3 Gdynia 9/5/2020 | 4 3:46:01 | 15 3:58:25 | A |