The 24 Hours Running of Mem Martins – Sintra is an unforgettable endurance challenge nestled within the charming town of Mem Martins, just outside Sintra. This prestigious race, organized by Real Academia Sports Association, offers runners from all corners of the globe a range of captivating options: a full marathon under the stars during its night session, and longer durations such as 12-hour, 6-hour, and 3-hour races that cater to various skill levels. The event unfolds in a setting rich with natural beauty, where winding trails through lush landscapes provide runners with an immersive experience. Participants are treated to sweeping views of rolling hills and ancient forests, making each step along the route feel like a journey back in time. The vibrant atmosphere is further enhanced by enthusiastic supporters lining the course throughout both day and night. Runners will have ample opportunity to push their physical boundaries while surrounded by breathtaking scenery that changes with every hour of competition. Whether it's the golden hues of dawn breaking over Sintra or the serene moonlit paths under a star-studded sky, this race offers an unforgettable blend of challenge and beauty. The 24 Hours Running of Mem Martins – Sintra is more than just a race; it’s an invitation to explore one’s limits in a setting that celebrates both endurance sports and Portugal's enchanting countryside.
Races Offered
24 hours - solo
May 09, 2026
straighten
Distance —
100K
terrain
Type —
Running
timer
12:00
sell
€65.00
24 hours - team
May 09, 2026
straighten
Distance —
100K
terrain
Type —
Running
timer
12:00
sell
€185.00
Night marathon
May 09, 2026
straighten
Distance —
42.2K
terrain
Type —
Running
timer
19:00
sell
€40.00
12 hours
May 10, 2026
straighten
Distance —
100K
terrain
Type —
Running
timer
00:00
sell
€50.00
3 hours
May 10, 2026
straighten
Distance —
30K
terrain
Type —
Running
timer
09:00
sell
€40.00
12 hours - solo
May 09, 2027
straighten
Distance —
100K
terrain
Type —
Running
timer
216 days remaining
sell
€45.00
3 hours - solo
May 09, 2027
straighten
Distance —
30K
terrain
Type —
Running
timer
216 days remaining
sell
€30.00
Weather History
These values represent the 3-year monthly averages for May in Mem Martins.
thermostatTemperature
13.3° / 21.5°
wb_sunnyFeels like
10.8° / 18.9°
light_mode
Avg sunshine hours
12h 29m
water_drop
Avg rainfall
1.1 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
15.6 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
High (6.0)
humidity_mid
Humidity
72.5%
wb_twilight
Sunrise
06:24
nightlight
Sunset
20:42
About Mem Martins
Learn more about the host city, Mem Martins.
Algueirão – Mem Martins is a Portuguese civil parish, in the municipality (concelho) of Sintra, and part of the Lisbon Metropolitan Area.
