Running in the scorching summer heat is not only uncomfortable – it can lead to serious drops in performance and health risks. In contrast, cooler weather — especially the late-September climate in Kapuvár — is ideal for both athletic performance and general well-being.
1. Optimized running performance
Research shows that runners perform best at temperatures between 6.7–15 °C (44–59 °F). At these temperatures, the body doesn’t overheat, and blood is directed to the muscles and heart rather than the surface of the skin for cooling. This enables higher aerobic performance and a faster pace.
2. Less heat stress, better energy management
In cold weather, the body doesn’t need to spend as much energy cooling itself down — so more oxygenated blood reaches the working muscles instead of the skin. According to Dr. Doug Casa:
“Running in the cold is much gentler on the body… you don’t sweat as much, so the blood stays available for your muscles and heart.”
Another benefit is that cool running can help convert “bad” white fat into metabolically active brown fat, boosting metabolism.
3. Mental benefits: improved mood and endorphin boost
Cool-weather running has been proven to boost mood, help fight seasonal depression symptoms, and increase endorphins released during exercise, improving your overall mental state.
4. Risks of summer heat
In hot conditions, the body dehydrates more easily, and the chances of heat stroke, electrolyte imbalance, muscle weakness, and reduced aerobic capacity all increase. Even a small rise in temperature can drastically reduce running pace and increase risk levels.
Why is late September perfect for the KapuvárRun?
The KapuvárRun race takes place at the end of September – the ideal season for running. Around that time, Kapuvár usually has daytime temperatures around 23 °C and night temperatures around 12 °C. This means that on race day the weather will likely be perfectly cool — but not cold — which supports:
- better aerobic performance,
- lower heat stress on the body,
- a more comfortable and enjoyable run.
Plus, the longer daylight hours and still mild — but no longer hot — climate provide an ideal sporting experience.
Summary
| Benefits | Running in Cool Weather | Running in Hot Summer |
|---|---|---|
| Performance | Optimal (6–15 °C) | Decreases due to heat stress |
| Blood flow efficiency | Blood goes to muscles | Blood directed to skin for cooling |
| Metabolism | More fat burning, brown fat activation | Less efficient |
| Mental effect | Better mood, endorphins | Fatigue, worse experience |
| Risks | Minimal | Dehydration, heat stroke |
The late-September timing of the KapuvárRun — around September 28 — is ideal: cool but pleasant climate, supporting better pace, safety and a great atmosphere.
Don’t miss it: register now and enjoy the advantages of cool September running at KapuvárRun 2025!
Sources
- TheRunningWeek.com – “Weather Impact on Running Performance”
- Self.com – “How to Make Winter Running More Enjoyable”
- VerywellHealth.com – “Benefits of Running in the Cold vs Heat”
- RushOrtho.com – “Cold Weather Running and Health Benefits”
- DLakeCreates.com – “Cold vs Hot Running: Which Is Better?”
- runnersconnect.net – “How Running in the Cold Impacts Race Performance”
- Weather-and-Climate.com – Kapuvár szeptemberi átlaghőmérséklet statisztika
- Vogue.com – “Cold Play – Why running in cooler weather is better”
- MarieClaire.co.uk – “Running in the Heat: Dangers and Tips”
