Compare
Athlete head-to-head
Compare career records, current form and shared race results. Use athlete slugs, names, or profile IDs.
Battle read
Menno Koolhaas leads the stored head-to-head
Last 5 shared: Gregory Barnaby 1, Menno Koolhaas 4. This only counts races where both athletes have stored results.
Win share
Gregory Barnaby
40%
Win share
Menno Koolhaas
60%
Latest shared race
2025 Qatar T100 Triathlon World Championship Final
12/11/2025 · edge Menno Koolhaas
12
Gregory Barnaby
11
Menno Koolhaas
Head-to-head
Gregory Barnaby vs Menno Koolhaas
Menno Koolhaas leads: 4-6 across 10 shared starts
Last 5 shared: Gregory Barnaby 1, Menno Koolhaas 4
Latest shared race: 2025 Qatar T100 Triathlon World Championship Final - edge Menno Koolhaas
Career starts: Gregory Barnaby 33, Menno Koolhaas 23
Career wins: Gregory Barnaby 3, Menno Koolhaas 4
33
Starts
23
3
Wins
4
11
Podiums
5
29
Top 10s
20
#1
Best
#1
#6
Avg pos
#5.9
2377
Points
1634
4
Gregory Barnaby head-to-head wins
10
Shared race starts
6
Menno Koolhaas head-to-head wins
Shared races
Only races where both athletes have a stored result are shown.
2025 Qatar T100 Triathlon World Championship Final
12/11/2025
12
Gregory Barnaby
3:15:58
11
Menno Koolhaas
3:14:36
2025 Wollongong T100
10/17/2025
8
Gregory Barnaby
3:13:24
4
Menno Koolhaas
3:09:25
2025 Spain T100
9/19/2025
9
Gregory Barnaby
3:16:05
8
Menno Koolhaas
3:15:25
2025 French Riviera T100
8/29/2025
7
Gregory Barnaby
3:18:27
10
Menno Koolhaas
3:19:54
2025 London T100
8/8/2025
9
Gregory Barnaby
3:23:46
4
Menno Koolhaas
3:20:32
2025 Singapore T100
7/3/2025
5
Gregory Barnaby
3:22:30
11
Menno Koolhaas
3:25:56
2024 Ironman Hawaii
10/25/2024
6
Gregory Barnaby
7:48:22
5
Menno Koolhaas
7:47:22
2024 Ironman Frankfurt
8/17/2024
3
Gregory Barnaby
7:33:44
5
Menno Koolhaas
7:35:51
2022 Ironman Israel
11/24/2022
3
Gregory Barnaby
7:47:01
5
Menno Koolhaas
7:56:53
2021 Ironman 70.3 Portugal
10/23/2021
12
Gregory Barnaby
3:53:28
3
Menno Koolhaas
3:48:44
| Race | Gregory Barnaby | Menno Koolhaas | Edge |
|---|---|---|---|
| 2025 Qatar T100 Triathlon World Championship Final 12/11/2025 | 12 3:15:58 | 11 3:14:36 | B |
| 2025 Wollongong T100 10/17/2025 | 8 3:13:24 | 4 3:09:25 | B |
| 2025 Spain T100 9/19/2025 | 9 3:16:05 | 8 3:15:25 | B |
| 2025 French Riviera T100 8/29/2025 | 7 3:18:27 | 10 3:19:54 | A |
| 2025 London T100 8/8/2025 | 9 3:23:46 | 4 3:20:32 | B |
| 2025 Singapore T100 7/3/2025 | 5 3:22:30 | 11 3:25:56 | A |
| 2024 Ironman Hawaii 10/25/2024 | 6 7:48:22 | 5 7:47:22 | B |
| 2024 Ironman Frankfurt 8/17/2024 | 3 7:33:44 | 5 7:35:51 | A |
| 2022 Ironman Israel 11/24/2022 | 3 7:47:01 | 5 7:56:53 | A |
| 2021 Ironman 70.3 Portugal 10/23/2021 | 12 3:53:28 | 3 3:48:44 | B |