Purple Running Shoe Half Marathon 13.1 Run Charm Bead Silvertone Purple Running Shoe Half Marathon 13.1 Run Charm Bead. Charm size is approx. 0.83 x 0.38 x 0.15 inches (HxWxD) including loop. Unthreaded Bead is approx. 10.5x7x10.7 mm (HxWxD) with clear crystals. Available as 13.1 or 26.2. Hole Size: 5.5mm. Our Charm Beads are compatible with most Charm Bead Bracelets. Great running gift! Be proud of your achievements. Also makes a great pendant. These beads are wonderful for a starting a European large hole bead bracelet.