Kejelcha Runs 56:51 in Buenos Aires to Snatch the Half Marathon World Record Back From Kiplimo
Yomif Kejelcha ran 56:51 at the 2026 Buenos Aires Half Marathon to break Jacob Kiplimo's 57:20 world record. How the record finally fell in South America.
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The Worst Things You Can Do During a Long Run
Long runs can be the most rewarding part of training, but a few common mistakes can turn them into a slog. Learn how to pace yourself, fuel and hydrate consistently, avoid untested gear, time workouts and meals wisely, dress for changing weather, and resist adding extra mileage.
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LA Marathon Allows Runners to Finish at 18 Miles Due to Heat Forecast
Los Angeles Marathon organizers are adding a heat-safety option: if race-day temperatures climb too high, runners may stop just after mile 18 and still receive a finisher medal. With forecasts rising from 12–13°C at the 7 a.m. start to 25–27°C by midday, the McCourt Foundation says the goal is preventing dangerous heat illness.
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Study Finds Vitamin D Helps Maintain Immune Health, but Does Not Improve Running Performance
Vitamin D can help runners hold onto healthy levels through the dark winter months, and may support immune markers, but this new study found it doesn’t translate into better performance like VO₂max, power, or strength.
Health
The Mental Mistake That Can Sabotage Tough Runs, According to Sports Psychology
Hard runs hurt, but sports psychologist Mike Gross says the biggest performance threat isn’t the pain it’s the mental “second arrow” that turns discomfort into suffering. Practice curious awareness to observe sensations without spiraling into doubt.
