The Hallwilerseelauf is a beloved Swiss autumn race celebrating its 49th edition on October 11, 2025, in Beinwil am See. Runners can choose from several distances: a half marathon around the lake, 10 km and 5 km runs, Nordic walking events (10 km and 21.1 km), 2- and 3-person relays, and dedicated children’s races. The flat and scenic course circles Lake Hallwil, passing vineyards, forests, and the majestic Hallwyl Castle, making it both fast and picturesque. It’s an event that appeals to elite athletes, casual runners, families, and walking enthusiasts alike. Known for its festive village atmosphere and flawless organization, it remains one of Switzerland’s premier running festivals.
Races
Half Marathon
10km
5km
Race Date:
11 October, 2025
The Half Marathon starts at 12:05 PM from the village center of Beinwil am See, offering a scenic loop around Lake Hallwil with approximately 94 meters of elevation gain and 157 meters of descent. 
Weather based on historical averages.
FAQs
What is the Hallwilerseelauf Half Marathon?
How long is the Hallwilerseelauf Half Marathon?
Where does the Hallwilerseelauf Half Marathon take place?
What is the elevation gain of the Hallwilerseelauf Half Marathon?
How can I prepare for the Hallwilerseelauf Half Marathon?
How do I choose the right training plan for the Hallwilerseelauf Half Marathon?
The Half Marathon starts at 12:05 PM from the village center of Beinwil am See, offering a scenic loop around Lake Hallwil with approximately 94 meters of elevation gain and 157 meters of descent. 
The Hallwilerseelauf Half Marathon is 21km long.
The Hallwilerseelauf Half Marathon takes place in Lake Hallwil, Switzerland.
The Hallwilerseelauf Half Marathon elevation gain is 94 metres, which Runna classifies as a Flat race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Hallwilerseelauf Half Marathon?
The Half Marathon starts at 12:05 PM from the village center of Beinwil am See, offering a scenic loop around Lake Hallwil with approximately 94 meters of elevation gain and 157 meters of descent. 
How long is the Hallwilerseelauf Half Marathon?
The Hallwilerseelauf Half Marathon is 21km long.
Where does the Hallwilerseelauf Half Marathon take place?
The Hallwilerseelauf Half Marathon takes place in Lake Hallwil, Switzerland.
What is the elevation gain of the Hallwilerseelauf Half Marathon?
The Hallwilerseelauf Half Marathon elevation gain is 94 metres, which Runna classifies as a Flat race.
How can I prepare for the Hallwilerseelauf Half Marathon?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Hallwilerseelauf Half Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
More
Sport:
Running
Tags:
Nature
Team
Relay
Kid friendly
Fun Run
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Hallwilerseelauf 2025 or LC Beinwil am See. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Hallwilerseelauf 2025 website.
