


2026 Seoul Marathon Timing Chip Guidelines
To ensure accurate race timing,
please check the following guidelines.
1๏ธโฃ Electronic Devices Behind Bib Number ๐ฑ
If an electronic device is placed directly behind your bib number, it may interfere with the signal and your time may not be recorded.
2๏ธโฃ Water & Energy Gels ๐ง
Water, sports drinks, or energy gels may also interfere with the timing signal.
3๏ธโฃ Smartwatch Position โ
If your smartwatch is aligned with the timing chip at the timing checkpoint, it may cause recording issues.
5๏ธโฃ Thermal Blanket โ ๏ธ
Thermal (foil) blankets can block signals and may prevent your time from being recorded.
๐ฅ Wishing you a safe race and a successful finish!
2026 Seoul Marathon Timing Chip Guidelines
To ensure accurate race timing,
please check the following guidelines.
1๏ธโฃ Electronic Devices Behind Bib Number ๐ฑ
If an electronic device is placed directly behind your bib number, it may interfere with the signal and your time may not be recorded.
2๏ธโฃ Water & Energy Gels ๐ง
Water, sports drinks, or energy gels may also interfere with the timing signal.
3๏ธโฃ Smartwatch Position โ
If your smartwatch is aligned with the timing chip at the timing checkpoint, it may cause recording issues.
5๏ธโฃ Thermal Blanket โ ๏ธ
Thermal (foil) blankets can block signals and may prevent your time from being recorded.
๐ฅ Wishing you a safe race and a successful finish!