Even if you're a runner, you may not have heard the term "Jeffing" before. It's a method of alternating between running and ...

HOPKINTON-TO-BOSTON, Massachusetts, April 21 — Last August in the Paris Olympic Marathon, Sharon Lokedi lost a sprint for the ...

The 24-year-old Kenyan, listed by some stats sources as John Kipkosgei, is the younger brother of ’12 Boston champ Wesley ...

Why it works: Runner’s World + member, Stephanie Tsai qualified for Boston five times and believes long runs with marathon ...

Easter can be pivotal in the Championship and this year was no different - we sent reporters around the country to sample the ...

Kenyan duo Sharon Lokedi and John Kipkosgei Korir notched up their second US-based World Marathon Majors victories, winning ...

When the elite racers approach the start line of the 129th Boston Marathon, four athletes will have a chance to defend their ...

Norris’ error in Q3 left him out of a three-way fight for pole between his team-mate Oscar Piastri, Verstappen and George ...

Kyffin Simpson set the fastest race lap last weekend at the Acura Grand Prix of Long Beach, just as he did in his very first ...

Generally speaking, runners find their lactate threshold pace to be about a seven or eight out of 10 effort on a rate of ...