BEST FOR: OUTDOOR
Whether you’re training for a race or racing to fit in your workout, the nimble, 22-pound BOB Ironman, $349, is built for speed. With 16-inch wheels, a fixed front wheel, slick tires and stiff suspension, it rolls down roads and smooth trails with ease, and tracks straight and true. For walking: from birth with car seat adapter ($54). For running and offroading: 8 months to 70 pounds.