Step into one of France's most beloved running events, the Harmonie Mutuelle 20km de Paris, set to take place on October 10, 2026. This iconic race, established in 1979 as a partnership between the French Air Force and the City of Paris, offers runners an unforgettable journey through some of western Paris's most picturesque neighborhoods. The event begins at the historic Pont de l'Iéna with the Eiffel Tower serving as your backdrop. As you set off, the route takes you along the Seine River quays before weaving into the heart of Paris’s iconic landmarks and green spaces. The course is designed to highlight the city's architectural splendor while also offering a challenging yet enjoyable run for participants. Key highlights include passing by the Arc de Triomphe and running through the Bois de Boulogne, covering over 4 kilometers of lush forest trails filled with towering oak trees that provide both shade and oxygen. The route continues past Roland-Garros tennis complex, allowing runners to imagine themselves hitting a winning shot on one of Paris’s most famous clay courts. As you near the finish line, you'll be greeted by more breathtaking sights such as the Grand Palais, Place de la Concorde with its Obelisk, and the Tuileries Garden. The race concludes at the Eiffel Tower once again, marking a full circle around this emblematic Parisian landmark. Organized meticulously to ensure safety and enjoyment for all participants, the event features 23 waves starting every three minutes, eliminating congestion both at the start and finish lines. Along the route, musical entertainment keeps spirits high while adding to the festive atmosphere of this international affair that attracts runners from around the globe. Beyond the race itself, Paris offers a plethora of unique attractions for visitors to explore post-event. From visiting the unusual Cathedral Building on Rue Réaumur or delving into history at Nicolas Flamel’s House to enjoying traditional French cuisine in charming brasseries, there's plenty to see and do beyond running 20 kilometers. Join thousands of runners this October as they take part in a race that not only celebrates athletic achievement but also the enduring charm and beauty of Paris. The Harmonie Mutuelle 20km de Paris is more than just a run; it’s an experience you won’t soon forget.
Races Offered
20kids de Paris
Oct 10, 2026
straighten
Distance —
1K
terrain
Type —
Running
timer
14:00
sell
€0.00
20kids de Paris
Oct 10, 2026
straighten
Distance —
0.2K
terrain
Type —
Running
timer
14:45
sell
€0.00
10 km Connecté
Oct 10, 2026
straighten
Distance —
10K
terrain
Type —
Running
timer
35 days remaining
sell
€25.00
15 km Connecté
Oct 10, 2026
straighten
Distance —
15K
terrain
Type —
Running
timer
35 days remaining
sell
€25.00
20 km Connecté
Oct 10, 2026
straighten
Distance —
20K
terrain
Type —
Running
timer
35 days remaining
sell
€20.00
5 km Connecté
Oct 10, 2026
straighten
Distance —
5K
terrain
Type —
Running
timer
35 days remaining
sell
€25.00
Course sur route 20 km
Oct 11, 2026
straighten
Distance —
20K
terrain
Type —
Running
timer
09:00
sell
€0.00
Weather History
These values represent the 3-year monthly averages for October in Paris.
thermostatTemperature
10.0° / 17.4°
wb_sunnyFeels like
7.6° / 15.3°
light_mode
Avg sunshine hours
6h 15m
water_drop
Avg rainfall
2.8 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
11.8 km/h (Light breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (2.8)
humidity_mid
Humidity
81.9%
wb_twilight
Sunrise
08:12
nightlight
Sunset
18:59
About Paris
Learn more about the host city, Paris.
Paris is the capital and largest city of France, with an estimated city population of 2.04 million in an area of 105.4 km2 (40.7 sq mi), and a metropolitan population of 13.2 million as of January 2026. Located on the river Seine in the centre of the Île-de-France region, it is the largest metropolitan area and fourth-most populous city in the European Union (EU). Paris is nicknamed the "City of Light", partly because of its role in the Age of Enlightenment.
