Altitude Training in Colorado Springs: Inside the U.S. Olympic and Paralympic Training Center

Colorado Springs, Colorado sits at 1,839 meters (6,035 feet) above sea level — squarely in the range where meaningful altitude adaptation occurs. Add the U.S. Olympic and Paralympic Training Center (USOPC), world-class sport science infrastructure, and a dry, sunny climate that allows year-round outdoor training, and you have one of the most significant altitude training environments in the Western Hemisphere.

For American athletes, Colorado Springs occupies a unique position: it is not simply an altitude destination but an institutional home for national team programs across dozens of sports. The physiology that makes Flagstaff, Font Romeu, and Iten legendary applies here too — the same EPO-driven erythropoiesis, the same tHbmass accumulation, the same sea-level performance gains. What distinguishes Colorado Springs is the infrastructure layered on top of that elevation.

The Physiology of Training at 1,839 m

At 1,839 m, Colorado Springs falls in the lower-to-middle range of altitude training destinations. Comparing to commonly used camps:

The elevation is functionally similar to Font Romeu — enough to produce a robust hypoxic stimulus (approximately 8–10% acute VO₂ max reduction, ~18–20 mmHg reduction in inspired PO₂) while preserving training quality for high-intensity sessions.

EPO Response and tHbmass Gains

At 1,839 m, EPO secretion begins rising within 90–120 minutes of arrival, peaks at approximately 150–200% of baseline within 24–48 hours, then begins declining as the kidneys sense increasing red cell production. After a well-executed 3–4 week camp:

• tHbmass increase: ~3–4%
• Sea-level VO₂ max improvement: ~2–3%
• Sustained benefit post-return: 2–4 weeks of enhanced aerobic performance

The 2,000 m threshold often cited as the "minimum effective altitude" is a general guideline, not an absolute cutoff. Multiple studies — including foundational work from the Levine/Stray-Gundersen lab — show meaningful hematological adaptations at elevations between 1,800 and 2,100 m with sufficient exposure duration (minimum 3 weeks, ideally 4).

The Altitude Tent Supplement Option

Some athletes training in Colorado Springs supplement their natural altitude exposure with altitude tents for sleep, effectively creating a live-high-train-high protocol augmented by additional hypoxic hours. Given the city's elevation of 1,839 m — slightly below the optimal 2,000–2,500 m sleep range for pure LHTL — athletes seeking maximum hematological stimulus may benefit from a tent set to 2,400–2,800 m for sleep while training at ambient Colorado Springs altitude.

The U.S. Olympic and Paralympic Training Center

The USOPC campus in Colorado Springs is the largest Olympic training site in the United States and one of the most well-equipped sport science facilities in the world. It spans approximately 35 acres and hosts resident and visiting athletes across more than 20 sports.

Facilities

Sport-specific venues:

• Velodrome for track cycling
• Aquatics center (50m indoor pool)
• Gymnastics and wrestling training halls
• Shooting range
• Archery range
• Weight training and conditioning facilities
• Indoor and outdoor athletics tracks

Sport science and medicine:

• Human Performance Lab with VO₂ max testing, lactate analysis, DXA body composition scanning
• Sports medicine clinics with orthopedics, physical therapy, and sport psychology
• Altitude physiology monitoring (SpO₂ tracking, CBC/reticulocyte monitoring for hematological assessment)
• Recovery modalities including cold water immersion, compression therapy, and sports massage

Nutrition:

• On-campus dining hall with dietitian-designed menus calibrated for training load
• Nutrition counseling from USOPC sport dietitians
• Supplement testing program (NSF Certified for Sport compliance for national team athletes)

Access for Non-National-Team Athletes

The USOPC campus is primarily a national team facility, but access pathways exist for non-national-team athletes:

• National Governing Body (NGB) programs: Many sport NGBs (USA Triathlon, USA Cycling, USATF, etc.) schedule training camps at Colorado Springs for development athletes. Contact your sport's NGB for program availability.
• Resident athlete programs: Some sports have resident athlete programs for elite development athletes who train at the campus full-time.
• Community partnerships: The Colorado Springs area has extensive public training infrastructure — trails, roads, and outdoor tracks — accessible to all visiting athletes without campus access.

For most visiting athletes and coaches, the relevant question is not USOPC campus access but rather how to use Colorado Springs altitude effectively using the broader training ecosystem.

Training Infrastructure Beyond the USOPC Campus

Colorado Springs and the surrounding Pikes Peak region offer exceptional training terrain across sports.

Running

• Barr Trail to Pikes Peak: One of the most iconic high-altitude runs in North America. The summit at 4,302 m is extreme for training (above the recommended range for performance camps), but middle sections at 2,500–3,000 m provide outstanding high-altitude stimulus for specific sessions.
• Bear Creek Regional Park: Extensive trail network for varied-terrain long runs at ambient Colorado Springs elevation
• Palmer Park: Urban trail system with technical single-track; suitable for trail runners and orienteering
• Road running: Extensive low-traffic roads and paved paths throughout the city; Monument Valley Park offers flat to rolling options for tempo and interval work

Cycling

• Pikes Peak Highway: A 19-mile climb to 4,302 m — one of the most famous climbing roads in the United States. Lower sections (below 3,000 m) are appropriate for structured climbing intervals; the summit is primarily for adventure riding rather than quality training.
• Ute Pass / US-24 west toward Woodland Park: Classic road cycling terrain with sustained climbing in the 2,000–2,500 m range, ideal for threshold work
• Garden of the Gods: Paved roads through dramatic red rock formations; moderate grades suited to recovery rides and tempo work
• Palmer Lake / Monument area: Quieter roads with excellent climbing north of the city

Swimming

No significant altitude-specific outdoor open-water swimming infrastructure, but the area's pools (including the USOPC facility for national team athletes) serve competitive swimmers. Altitude-related swimming adaptations are modest; see our guide to swimming at altitude for the relevant physiology.

Climate and Logistics

Weather

Colorado Springs has a semi-arid climate with approximately 300 sunny days per year — exceptional for year-round outdoor training. Key characteristics:

• Summer (June–August): Warm days (24–30°C), cool nights (10–15°C); afternoon thunderstorms are common, particularly July–August; plan morning training sessions to avoid lightning on exposed terrain
• Fall (September–November): Outstanding training weather — mild temperatures, low precipitation, clear skies; many coaches consider this the best season for Colorado Springs camps
• Winter (December–February): Cold but manageable; significant snowfall is possible but the city typically clears roads quickly; altitude tent supplementation is more common for outdoor sports in winter
• Spring (March–May): Variable conditions; can be excellent, particularly April–May

Altitude training optimal windows: May–June and September–October offer the best combination of mild weather, reliable conditions, and full daylight training hours.

Getting There

• Denver International Airport (DEN): 90–110 km north; the primary international gateway. Frequent direct connections from major U.S. cities and international hubs.
• Colorado Springs Airport (COS): Smaller regional airport with limited direct routes; more convenient for domestic travelers if available.
• Ground transport: I-25 connects Denver to Colorado Springs in 60–90 minutes. Car rental is strongly recommended — Colorado Springs is a driving city and training venues are spread across the region.

Accommodation

• On-campus (national team/NGB programs): Dormitory-style housing available for USOPC program participants
• Hotels: Extensive options throughout the city; the north Colorado Springs/Briargate area is convenient for highway access and proximity to training venues
• Vacation rentals: Good availability; houses with full kitchens are ideal for team camps needing nutrition control
• Cost: Substantially more affordable than European altitude destinations (Font Romeu, St. Moritz, Davos)

Support Services

• Sport science: USOPC Human Performance Lab for national team athletes; Colorado College and University of Colorado Colorado Springs offer some research partnerships for visiting teams
• Medical: Excellent sports medicine infrastructure in the city, including UCHealth Memorial Hospital with sports medicine program
• Coaching ecosystem: Large resident coaching population across sports; connecting with local clubs (USA Triathlon Colorado Springs, Colorado Runners, Springs Cycling) can provide training partners

Structuring an Altitude Camp in Colorado Springs

Duration

Minimum 3 weeks for meaningful hematological adaptation; 4 weeks is optimal. Two-week camps are appropriate for pre-competition acclimatization (preparing for a race at elevation) but yield limited sea-level performance gains.

Elevation Augmentation Strategy

Athletes seeking a stronger altitude stimulus than 1,839 m ambient can incorporate higher-elevation excursions:

• Train low, sleep high (inverted): Drive to 2,500–3,000 m venues (Woodland Park area, lower Pikes Peak sections) for training, return to Colorado Springs at night
• Altitude tent: Set tent to 2,500–2,800 m for sleep to maximize nightly EPO stimulus beyond ambient elevation
• Pikes Peak exposure days: Occasional high-altitude hiking or low-intensity rides above 3,000 m increase cumulative hypoxic dose

Race Timing Post-Camp

The same post-camp performance window applies as any altitude destination:

• Days 1–5 post-return: Allow recovery; avoid major competitions
• Days 7–17: Optimal performance window — peak hematological expression aligned with refreshed legs
• Days 18–28: Still elevated; secondary performance peak possible
• Beyond day 30: Gradual return to baseline without subsequent stimulus

Practical Takeaways

• Colorado Springs at 1,839 m is a legitimate altitude training destination — functionally comparable to Font Romeu, producing meaningful EPO response and tHbmass gains with a 3–4 week camp.
• The USOPC campus offers world-class infrastructure for national team and NGB athletes; broader Colorado Springs provides excellent terrain for all visiting athletes.
• Fall and late spring are optimal seasons for a Colorado Springs camp — mild weather, reliable conditions, 300+ sunny days/year.
• Consider altitude tent supplementation (2,400–2,800 m for sleep) to boost the hypoxic dose above ambient 1,839 m if maximum hematological response is the goal.
• Pikes Peak is available but extreme above 3,000 m — use lower sections for structured training; summit ascents are adventure, not training.
• Cost advantage vs. Europe is significant; for American athletes, Colorado Springs is one of the most accessible and affordable altitude camp options.
• Check iron status before arrival — ferritin ≥ 50 ng/mL is recommended to ensure a full EPO response.

Planning a Colorado Springs altitude camp? Subscribe to the AltitudePerformanceLab newsletter for our free U.S. Altitude Training Destinations Guide — covering Colorado Springs, Flagstaff, Albuquerque, Park City, and Leadville with elevation profiles, training terrain maps, and logistics checklists.