
STC Ultimate Obstacle Challenge
Event summary
The STC Ultimate Obstacle Challenge takes place on October 5, 2025, in Santiago do Cacém, starting at the Capela de São Pedro (Passeio das Romeirinhas). This dynamic obstacle race challenges participants with a ~8 km off-road course packed with 30+ natural and artificial obstacles.
You can participate in two modes:
STC ELITE (timed, competitive, with chip)
STC FUN (non-timed, flexible obstacle completion)
The event encourages team spirit and camaraderie, with options for individual or group entries, and a supportive, inclusive atmosphere. Open to participants 16 years and older, it’s a fun and challenging day for fitness enthusiasts looking to test their limits.
Add to your Events
Add to your plan and stay organized for upcoming events.
Plan itInformation
Start times:
• First wave: 09:00
• Subsequent waves: every 15 minutes (exact wave assignments announced the week prior)
Bib pick-up:
• Date/time/location to be announced on the official Facebook page and Os Chaparros Facebook page
• Recommended to collect bib and kit before race day to avoid delays
Start/finish location:
Capela de São Pedro, Passeio das Romeirinhas, Santiago do Cacém
GPS: 38°00’57.00” N, 8°41’56.42” O
Categories/divisions:
• Male & Female: Geral, 16–19, 20–24, 25–29, 30–34, 35–39, 40–44, 45–49, 50–54, 55–59, 60+
• Largest team award
Course format:
8 km circular route with 30+ natural and artificial obstacles, fully marked and monitored by marshals
Surface types:
Off-road terrain with varied technical sections
Cut-off times:
• Race expected to end 2 hours after last wave starts
Registration deadline:
• Transfers allowed until September 19, 2025
Registration platform: meutempo.pt
Maximum participants:
• Elite category limited to 170 athletes (men + women)
Timing method:
• Chip timing for STC Elite only (chip and STC bib mandatory; obstacle not completed = disqualification)
Mandatory gear:
• STC Elite: bib, STC vest, and chip (provided by organization)
Aid stations:
• Mid-course and at finish (solids + liquids)
Rules:
• No littering, respect marshals’ instructions, complete all obstacles in Elite category, maintain fair play, comply with safety measures
Insurance:
• Personal accident insurance included (franchise borne by participant)
Location
get directionsRaces
ELITE
FUN
Benefits
🎽 Athlete Kit: Personalized bib with chip (STC ELITE only), technical t-shirt, race souvenir, light post-race meal (sandwich + drink + fruit)
🏅 Finisher Gifts: Trophies for top 3 overall and by age category, special prize for largest team
⏱️ Timing: Electronic chip timing for STC ELITE athletes only
🏆 Awards: Age group rankings (M/F: 16–19, 20–24, …, 60+), podium trophies
🛡️ Insurance: Personal accident insurance included (with deductible)
🛟 Support: On-course medical staff, obstacle monitors, and volunteers
🥤 Aid Stations: Not specified, assumed mid/post-race hydration
🚿 Facilities: Bag drop, showers, changing rooms, and toilets at the venue
📸 Extras: Pro photography/video, festive course atmosphere with music and signage