




| ■ | USATF "Gold Standard" is measurement by bicycle equipped with a calibrated Jones Riegel meter. |
| ■ | GPS is too inaccurate; not currently acceptable under USATF guidelines. |
| ■ | Measuring wheels tend to yield short courses. |
| ■ | Online mapping tools are great for rough course layout but don't yield accurate length. |
| ■ | View sample course map |
