Compare
Athlete head-to-head
Compare career records, current form and shared race results. Use athlete slugs, names, or profile IDs.
Battle read
Ari Klau leads the stored head-to-head
Last 5 shared: Kaeleb Pennington 1, Ari Klau 4. This only counts races where both athletes have stored results.
Win share
Kaeleb Pennington
20%
Win share
Ari Klau
80%
Latest shared race
2026 Ironman 70.3 Oceanside
3/27/2026 · edge Ari Klau
55
Kaeleb Pennington
11
Ari Klau
Head-to-head
Kaeleb Pennington vs Ari Klau
Ari Klau leads: 1-4 across 5 shared starts
Last 5 shared: Kaeleb Pennington 1, Ari Klau 4
Latest shared race: 2026 Ironman 70.3 Oceanside - edge Ari Klau
Career starts: Kaeleb Pennington 5, Ari Klau 22
Career wins: Kaeleb Pennington 0, Ari Klau 0
5
Starts
22
0
Wins
0
0
Podiums
2
0
Top 10s
12
#26
Best
#2
#39.2
Avg pos
#11.5
126
Points
1067
1
Kaeleb Pennington head-to-head wins
5
Shared race starts
4
Ari Klau head-to-head wins
Shared races
Only races where both athletes have a stored result are shown.
2026 Ironman 70.3 Oceanside
3/27/2026
55
Kaeleb Pennington
4:16:30
11
Ari Klau
3:45:13
2026 Ironman 70.3 Dallas
3/14/2026
51
Kaeleb Pennington
3:58:10
DNF
Ari Klau
DNF
2025 Ironman 70.3 Indian Wells
12/6/2025
27
Kaeleb Pennington
4:00:24
4
Ari Klau
3:40:15
2025 Ironman 70.3 Santa Cruz
9/6/2025
26
Kaeleb Pennington
4:06:21
5
Ari Klau
3:45:39
2025 Ironman 70.3 Chattanooga
5/17/2025
37
Kaeleb Pennington
1:30:47
5
Ari Klau
1:12:56
| Race | Kaeleb Pennington | Ari Klau | Edge |
|---|---|---|---|
| 2026 Ironman 70.3 Oceanside 3/27/2026 | 55 4:16:30 | 11 3:45:13 | B |
| 2026 Ironman 70.3 Dallas 3/14/2026 | 51 3:58:10 | DNF DNF | A |
| 2025 Ironman 70.3 Indian Wells 12/6/2025 | 27 4:00:24 | 4 3:40:15 | B |
| 2025 Ironman 70.3 Santa Cruz 9/6/2025 | 26 4:06:21 | 5 3:45:39 | B |
| 2025 Ironman 70.3 Chattanooga 5/17/2025 | 37 1:30:47 | 5 1:12:56 | B |