Compare
Athlete head-to-head
Compare career records, current form and shared race results. Use athlete slugs, names, or profile IDs.
Battle read
Mathias Petersen leads the stored head-to-head
Last 5 shared: Arnaud Guilloux 1, Mathias Petersen 4. This only counts races where both athletes have stored results.
Win share
Arnaud Guilloux
38%
Win share
Mathias Petersen
63%
Latest shared race
2026 Ironman Texas
4/17/2026 · edge Mathias Petersen
DNF
Arnaud Guilloux
24
Mathias Petersen
Head-to-head
Arnaud Guilloux vs Mathias Petersen
Mathias Petersen leads: 3-5 across 8 shared starts
Last 5 shared: Arnaud Guilloux 1, Mathias Petersen 4
Latest shared race: 2026 Ironman Texas - edge Mathias Petersen
Career starts: Arnaud Guilloux 48, Mathias Petersen 43
Career wins: Arnaud Guilloux 2, Mathias Petersen 3
48
Starts
43
2
Wins
3
7
Podiums
11
33
Top 10s
27
#1
Best
#1
#9.2
Avg pos
#9.5
2573
Points
2683
3
Arnaud Guilloux head-to-head wins
8
Shared race starts
5
Mathias Petersen head-to-head wins
Shared races
Only races where both athletes have a stored result are shown.
2026 Ironman Texas
4/17/2026
DNF
Arnaud Guilloux
DNF
24
Mathias Petersen
7:57:58
2025 Ironman Lanzarote
5/16/2025
10
Arnaud Guilloux
8:44:36
3
Mathias Petersen
8:31:11
2023 Ironman World Championships - Nice
9/9/2023
12
Arnaud Guilloux
8:28:53
17
Mathias Petersen
8:40:11
2023 Ironman Austria
6/17/2023
5
Arnaud Guilloux
8:12:26
1
Mathias Petersen
7:56:38
2023 Ironman South Africa
3/4/2023
7
Arnaud Guilloux
7:35:08
3
Mathias Petersen
7:20:54
2022 Ironman Hawaii
10/6/2022
38
Arnaud Guilloux
8:40:38
16
Mathias Petersen
8:06:44
2021 Ironman Austria
9/18/2021
3
Arnaud Guilloux
7:58:46
6
Mathias Petersen
8:04:57
2017 Challenge Sardinia
10/28/2017
7
Arnaud Guilloux
4:03:38
8
Mathias Petersen
4:05:36
| Race | Arnaud Guilloux | Mathias Petersen | Edge |
|---|---|---|---|
| 2026 Ironman Texas 4/17/2026 | DNF DNF | 24 7:57:58 | B |
| 2025 Ironman Lanzarote 5/16/2025 | 10 8:44:36 | 3 8:31:11 | B |
| 2023 Ironman World Championships - Nice 9/9/2023 | 12 8:28:53 | 17 8:40:11 | A |
| 2023 Ironman Austria 6/17/2023 | 5 8:12:26 | 1 7:56:38 | B |
| 2023 Ironman South Africa 3/4/2023 | 7 7:35:08 | 3 7:20:54 | B |
| 2022 Ironman Hawaii 10/6/2022 | 38 8:40:38 | 16 8:06:44 | B |
| 2021 Ironman Austria 9/18/2021 | 3 7:58:46 | 6 8:04:57 | A |
| 2017 Challenge Sardinia 10/28/2017 | 7 4:03:38 | 8 4:05:36 | A |