About Me
I'm Dénes Bajnok — software engineer, endurance athlete, and maker. I've completed four full-distance Ironman triathlons, including a finish in Barcelona with a time of 9:51:30. The discipline and long-term thinking that come with Ironman training bleed into everything I do, including how I approach building software. Outside of racing, I'm into 3D printing, microelectronics, IoT projects, and playing competitive darts. I build things because I enjoy the process — whether that's a training plan, a PCB, or a web application.
Follow my training on StravaTU Wien MSc4× IronmanIoT & MakerDarts Player
Skills
Web Development
ReactNode.jsTypeScriptJavaScriptNext.jsRuby on RailsPHPHTMLSCSS
Data & Backend
PythonSQLMySQLPostgreSQLFlaskDirectus
Infrastructure
Digital OceanDockerNginxLinuxGit
Other
CA-Frame (VR)
Endurance Stats
Running PBs
5K
18:37
10K
40:42
Half Marathon
1:29:30
Marathon
3:13:21
50K
3:45:33
Middle Distance
OldLakeMan2023
4:55:20Swim
38:02
Bike
2:39:56
Run
1:33:17
Keszthely2024
4:39:08Swim
33:38
Bike
2:32:32
Run
1:30:43
Balatonman Fűzfő2025
4:36:49Swim
39:43
Bike
2:17:27
Run
1:34:10
Full Distance (Ironman)
eXtremeMan Nagyatád2021
11:50:44Swim
1:20:13
Bike
5:41:21
Run
4:40:38
eXtremeMan Nagyatád2022
11:54:13Swim
1:25:32
Bike
5:52:22
Run
4:25:32
eXtremeMan Nagyatád2023
9:52:17Overall 6th place
Swim
1:20:33
Bike
5:12:29
Run
3:13:21
eXtremeMan Nagyatád2024
DNFDid Not Finish
Swim
1:13:17
Bike
5:23:22
Run
DNF
IRONMAN Barcelona2025
9:51:30Swim
1:14:21
Bike
5:06:31
Run
3:23:36