If you’re allergic to pollen or grass, spring can make outdoor running feel like a struggle. The solution is to adjust your running training plan so you can keep running with allergies, or more accurately, keep running despite them. That means tweaking your workouts and being smarter about where you run.
Pollen allergies, grass allergies, and other respiratory allergies can seriously affect endurance athletes. The good news is they’re usually seasonal and time-limited, with many people seeing the worst symptoms from April to May.
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Know your triggers and check local allergen levels
First, you need to know exactly what you react to. Book an appointment with your doctor and an allergist. They can give you practical advice and, if needed, prescribe specific medication, especially for allergy flare-ups or asthma. Allergens can also trigger asthma symptoms, so it’s important to take this seriously.
If you take medication, tell your doctor if you compete in sport. Some treatments may fall under anti-doping rules, particularly certain corticosteroid-based medications used to reduce allergy-related inflammation.
Common allergy signs include a runny nose, an irritated throat, or itchy eyes. When you get home, shower, wash your hair, and thoroughly rinse your eyes and nose with saline solution (seawater spray works well) to remove allergens.
Depending on your allergies, check the pollen map on le réseau national de surveillance aérobiologique to track peaks by city or region.
Where to run during a pollen peak?
Some places are best avoided. If you’re allergic to grass pollen, certain parks and paths next to grassy cycle tracks can be a bad idea. Look for routes that reduce exposure. Be extra cautious on windy days, since wind spreads pollen through the air and can make symptoms worse fast.
There are also times of day when pollen counts tend to be lower, often early in the morning. Rainy weather, or the period just after rainfall, can also help because rain knocks airborne particles down. It might be one of the rare times you’ll actually enjoy running in the rain.
Adjust your training when you have allergies
You can adapt your gear. For example, wear sports glasses if your eyes are sensitive. You can also use a neck gaiter to cover your mouth if that helps you breathe more comfortably.
Overall, your priority should be to reduce training load and avoid pushing your breathing too hard. When the weather is finally nice it’s frustrating, but forcing high intensity workouts can be counterproductive for performance and potentially risky for your respiratory system.
This can also be a good time to focus on strength training and at-home conditioning.
Improve your nutrition to help reduce allergy symptoms
Start with the basics, hydrate well. Drinking enough helps keep your mucous membranes less dry and can make irritation easier to manage.
Nutrition also plays a role in respiratory allergies. Aim to eat clean, even more than usual, to support recovery and immune function. Choose foods rich in vitamins, especially vitamin C (parsley, lemon, and more), and include quality vegetable oils.
We hope these tips help you get through peak allergy season so you can soon enjoy running freely again, with better breathing, better training consistency, and stronger endurance performance.