The Olympics represent the pinnacle of athletic competition, where the world’s best athletes showcase their skills. However, the environment in which these events take place can significantly impact performances. One notable factor is altitude. Competing at high-altitude venues has unique effects on athletes, particularly in track and field events. This blog investigates how high-altitude venues have influenced Olympic track and field performances, with a special focus on the 1968 Mexico City Games.
The Science Behind Altitude and Athletic Performance
High altitude, defined as elevations above 2,500 meters (8,200 feet), affects athletic performance due to lower oxygen levels. The thinner air at high altitudes means there is less oxygen available for muscles, which can impact endurance events negatively. Conversely, the same thinner air offers less resistance, potentially benefiting speed and power events.
Aerobic vs. Anaerobic Events
- Endurance Events: These rely heavily on aerobic energy systems. At high altitudes, athletes experience quicker fatigue due to decreased oxygen availability. This can lead to slower times and reduced overall performance in events like the 5,000 meters, 10,000 meters, and the marathon.
- Sprint and Power Events: These depend more on anaerobic energy systems, which are less affected by oxygen levels. In fact, the reduced air resistance can enhance performance in sprints, jumps, and throws, potentially leading to record-breaking performances.
The Mexico City 1968 Olympics: A Case Study
The 1968 Summer Olympics in Mexico City are the most notable high-altitude Games, held at an elevation of 2,240 meters (7,350 feet). The impact of this altitude on track and field events was profound and remains a topic of discussion among sports scientists and historians.
Record-Breaking Performances
Several world records were shattered in Mexico City, particularly in sprint and jump events. The reduced air resistance played a significant role in these outstanding performances.
- Bob Beamon’s Long Jump: Beamon’s jump of 8.90 meters shattered the previous world record by 55 centimeters, a feat so extraordinary that it coined the term “Beamonesque.” The thin air contributed to his ability to maintain a higher speed on the runway and achieve a greater distance.
- Tommie Smith’s 200-Meter Sprint: Smith set a world record of 19.83 seconds, benefiting from the reduced drag at high altitude. His performance, combined with a raised fist protest on the podium, remains one of the most iconic moments in Olympic history.
- Lee Evans’ 400-Meter Sprint: Evans also set a world record, clocking 43.86 seconds. The thinner air allowed for higher speeds, contributing to his historic time.
Challenges for Endurance Athletes
While sprinters and jumpers thrived, endurance athletes faced significant challenges. The decreased oxygen levels led to quicker fatigue and slower times.
- Men’s Marathon: Despite these challenges, Mamo Wolde of Ethiopia managed to win the marathon. However, many runners struggled, and finishing times were noticeably slower compared to previous Olympics.
- Long-Distance Track Events: Athletes in events like the 5,000 meters and 10,000 meters had to contend with early fatigue, leading to more strategic and cautious racing.
Adaptation and Preparation
Athletes and coaches have developed strategies to mitigate the challenges of competing at high altitude. These include acclimatization, specialized training, and strategic planning.
Acclimatization
One of the most effective ways to adapt to high altitude is through acclimatization. By arriving at the high-altitude venue weeks in advance, athletes can allow their bodies to adjust to the thinner air. This process involves increasing red blood cell production, which helps transport oxygen more efficiently.
High-Altitude Training Camps
Many athletes now train at high-altitude camps to simulate the conditions they will face in competition. These camps help improve endurance and overall performance. Notable high-altitude training locations include Flagstaff, Arizona, and the mountains of Kenya and Ethiopia, where numerous elite runners have honed their skills.
Hydration and Nutrition
Proper hydration and nutrition are crucial at high altitudes. The dry air can lead to dehydration, so athletes need to drink more fluids. Additionally, diets rich in iron can support increased red blood cell production, aiding oxygen transport.
The Legacy of Mexico City 1968
The performances at the Mexico City Olympics left a lasting legacy in the track and field community. The Games highlighted the significant impact altitude can have on athletic performance, leading to further research and adaptation strategies.
Advancements in Sports Science
The Mexico City Olympics spurred advancements in sports science, particularly in understanding the physiological effects of high altitude. Researchers have since developed more sophisticated training techniques and tools to help athletes prepare for various environmental conditions.
Influence on Future Olympics
The knowledge gained from Mexico City influenced how future Olympic Games were planned and how athletes prepared. When the 2008 Beijing Olympics were held, athletes and coaches were better prepared for the city’s moderate altitude, thanks to the lessons learned in 1968.
