San Domenico 10/20 Miler 2026

About This Event

The San Domenico 10/20 Miler is a beloved annual running event along the stunning Taff Trail near Merthyr Tydfil. Offering both a 10-mile and 20-mile option, the scenic out-and-back course features a few challenging but rewarding undulations through beautiful Welsh valley scenery. Suitable for experienced runners looking for a test of endurance and new personal bests. Both routes are chip-timed. Medals for all finishers. Enter via the official running event website — entry closes when full.