Running Weather Blog
Science-backed insights on race-day weather, pacing strategy, and performance optimization for runners.
marathonweatherrace-selection
Best Weather Marathons: A Data-Driven Ranking
We ranked 10 major marathons by weather friendliness using temperature averages, variance, wind speed, precipitation probability, and humidity. Berlin leads at 92/100 — here is the full breakdown.
10 min readHavik Team
windmarathonpace-strategy
How Wind Affects Your Marathon Pace: The Science Explained
A 20 km/h headwind costs 6-10 seconds per kilometer — compounding to 4-7 extra minutes over a full marathon. We break down the physics of aerodynamic drag, quantify the pace impact, and share practical strategies for racing in wind.
11 min readHavik Team
race-dayweathermarathon
The Ultimate Race Day Weather Checklist
A practical, science-backed checklist for marathon race day: what weather to check, when to check it, temperature-zone clothing guides, hydration adjustments per temperature band, and a morning-of decision framework.
10 min readHavik Team
temperaturemarathonpace-strategy
How Temperature Affects Marathon Pace: A Data-Driven Analysis
Temperature is the single largest weather variable affecting marathon performance. Based on Ely et al.'s analysis of 1.8 million results, we break down the science, the data, and what it means for your next race.
12 min readHavik Team
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Boston Marathon 2026 Weather: What 10 Years of Data Tell Us
We analyzed 10 years of race-day weather data for the Boston Marathon (2016-2025). Here is what temperature, wind, and precipitation trends mean for your 2026 race-day strategy.
8 min readHavik Team