Kristine Kearns

1 month ago | runnersworld.com | Kristine Kearns

Most solid training plans include a weekly speed workout, often in the form of intervals. But the length of those intervals usually depends on your race distance, training goals, and fitness level. The way you approach 200-meter repeats likely won’t look the same as two-mile repeats, so we spoke with experts to reveal the subtle differences in short versus long intervals, including how to execute them, the benefits of both, and whether or not you should stick to one or the other.

1 month ago | runnersworld.com | Kristine Kearns

As a multi-event athlete, Chari Hawkins has shown the world she can do it all. She’s dedicated her life to juggling seven track and field events in the heptathlon: 100-meter hurdles, high jump, shot put, 200-meter dash, long jump, javelin, and the 800-meter run. Now, the Idaho-native is funneling her power, speed, and spirit in an entirely new way to prove there’s truly nothing she can’t do… even run a marathon.

1 month ago | bicycling.com | Kristine Kearns

Jump to:The Benefits of Strength Training for a CenturyHow to Incorporate Strength Training into Your Century PlanThe Strength Workout to Add to Your Century Training PlanA bucket-list item for many cyclists is to learn how to master the century: a beloved 100-mile ride that requires a certain level of endurance. While prepping for it, it’s easy to focus on all those miles you’ll cover on your bike, but strength training can set you up for a fast, injury-free training experience.

1 month ago | runnersworld.com | Kristine Kearns

Oh, how times have changed…Boston Marathon qualifying times, that is. In 2026, the times marathoners need to clock will get even faster than in previous years. So if you’re looking to get your marathon time down to a Boston qualifier, look no further than these workouts that got other runners and coaches to finally snag a BQ. From interval workouts and hill repeats to pyramid workouts and (really long) long runs, here are eight sample workouts you need on your marathon training plan.

1 month ago | runnersworld.com | Kristine Kearns

Solitamente, quando un runner si abitua a correre, può trovare faticoso entrare anche in sala pesi, perché gli allenamenti di forza sono molto distanti dalle sue abitudini - e a volte anche dalla sua comfort zone.