The tiny device developed by Professors John Rogers, Igor Efimov, and Yonggang Huang can be inserted with a syringe, and then dissolve after it’s no longer needed.

“Progression runs teach patience and fine-tuning the pace,” Wijayaratne says. Plus, it’ll train your body to have the energy ...

Players learned more about pace-of-play adjustments in this month’s “GreenSheet,” which was sent to Tour members earlier this ...