ForNext RFID – Race Timing Guide
RFID Race Timing Bib Tags for Marathon and Event Timing
Foam-backed UHF bib tags for timing teams that need a disposable format with better on-body stability, cleaner packet preparation and reliable reads at split points and finish lines.
More reliable for bib timing
Foam-backed construction helps create better separation from the runner’s body, which can improve stability where a standard thin label is more easily affected by contact, sweat and fold behaviour.
Easier for race-pack assembly
The tag stays integrated with the bib, making visible numbering, packet preparation and timing ID handling easier to manage inside one workflow.
Built around your event setup
The format can be matched to reader platform, placement logic, encoding method and supply format, so the tag fits the timing workflow instead of forcing the workflow to fit the tag.

What This Format Is
A race timing bib tag is a disposable UHF RFID label applied to the back of a printed race number. When the runner passes a timing point, the reader captures the tag ID and links it to the participant record inside the timing software.
What makes this format different is that it is built around the race-bib workflow, not just around the RFID inlay itself. Placement, foam separation, visible references, encoding method and supply format all matter because the tag has to work inside packet preparation as well as on race day.
For timing companies and event organisers, the appeal is operational as much as technical. A well-matched bib tag can support packet assembly, visible coding, fast athlete throughput and cleaner handoff into the results workflow without turning the bib into a heavy or awkward item.
Why Foam Helps Preserve Stability
A race bib sits close to the body, which is exactly where a thin UHF label can become less predictable. Body contact, sweat, fabric pressure and fold behaviour can all make performance less stable if the antenna is too close to the runner.
A foam-backed construction introduces a small but useful separation layer. That does not replace validation, but it often helps the tag behave more like a dedicated timing component and less like a standard label being pushed into a harder job.
For timing teams, that matters because better stability can improve confidence in real-world capture, especially where athlete density, movement and race-day conditions are less forgiving than bench tests.
Where Bib Tags Fit Best, And Where They May Not
A good page should help the reader make a clearer yes-or-no judgement. Bib timing tags are not the right answer for every event format, even when the basic RFID principle is sound.
What Buyers Should Confirm Before Ordering
The goal is not to over-specify on paper. The goal is to narrow the right construction before sample testing.
Current Product and Supply Options
Start with the current range, then narrow the final construction by inlay choice, foam structure, visible numbering, encoding and supply format.
- Standard White RFID Label
UHF AD Dogbone Label 98×28 mm | Impinj® M830 | Long-Range
- Standard White RFID Label
UHF RFID Smartrac Dogbone Label 97×27mm | Impinj® M730 | Long-Range Timing & Windshield Tag
£0.12
Frequently Asked Questions
Need Help Narrowing The Right Bib Tag Format?
If you already know the reader platform, event format or bib layout, use the product range as a starting point and narrow the final construction before sample testing.


