Grant Park was flooded with a sea of runners Sunday morning — many donning festive green accessories — for Chicago’s annual Shamrock Shuffle 8K race. Under overcast skies, more than 24,000 thousand ...

Runners using the Bath Half as training for the London Marathon, are being offered the chance to do an extra loop of the course, taking the overall distance up to 18.5 miles. The optional addition to ...

Every Thursday at 6 a.m, a crowd gathers in the darkness in the Marin Headlands parking lot just across the Golden Gate Bridge. Wearing headlamps and layers, they murmur quick introductions — and then ...