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: Matt Jackson 1, Ari Klau 4. This only counts races where both athletes have stored results.
Win share
Matt Jackson
17%
Win share
Ari Klau
83%
Latest shared race
2026 Ironman 70.3 Chattanooga
5/16/2026 · edge Ari Klau
34
Matt Jackson
2
Ari Klau
Head-to-head
Matt Jackson vs Ari Klau
Ari Klau leads: 1-5 across 6 shared starts
Last 5 shared: Matt Jackson 1, Ari Klau 4
Latest shared race: 2026 Ironman 70.3 Chattanooga - edge Ari Klau
Career starts: Matt Jackson 9, Ari Klau 22
Career wins: Matt Jackson 0, Ari Klau 0
9
Starts
22
0
Wins
0
0
Podiums
2
0
Top 10s
12
#19
Best
#2
#31.2
Avg pos
#11.5
254
Points
1067
1
Matt Jackson head-to-head wins
6
Shared race starts
5
Ari Klau head-to-head wins
Shared races
Only races where both athletes have a stored result are shown.
2026 Ironman 70.3 Chattanooga
5/16/2026
34
Matt Jackson
4:14:02
2
Ari Klau
3:45:47
2026 Ironman 70.3 Gulf Coast
5/8/2026
25
Matt Jackson
3:38:16
5
Ari Klau
3:17:46
2025 Ironman Arizona
11/15/2025
29
Matt Jackson
8:34:27
27
Ari Klau
8:32:08
2025 Ironman 70.3 Santa Cruz
9/6/2025
33
Matt Jackson
4:15:31
5
Ari Klau
3:45:39
2025 Ironman Lake Placid
7/19/2025
27
Matt Jackson
9:11:10
DNF
Ari Klau
DNF
2025 Ironman 70.3 Chattanooga
5/17/2025
29
Matt Jackson
1:21:11
5
Ari Klau
1:12:56
| Race | Matt Jackson | Ari Klau | Edge |
|---|---|---|---|
| 2026 Ironman 70.3 Chattanooga 5/16/2026 | 34 4:14:02 | 2 3:45:47 | B |
| 2026 Ironman 70.3 Gulf Coast 5/8/2026 | 25 3:38:16 | 5 3:17:46 | B |
| 2025 Ironman Arizona 11/15/2025 | 29 8:34:27 | 27 8:32:08 | B |
| 2025 Ironman 70.3 Santa Cruz 9/6/2025 | 33 4:15:31 | 5 3:45:39 | B |
| 2025 Ironman Lake Placid 7/19/2025 | 27 9:11:10 | DNF DNF | A |
| 2025 Ironman 70.3 Chattanooga 5/17/2025 | 29 1:21:11 | 5 1:12:56 | B |