In athletics, the "senior" category typically refers to athletes aged 50 to 64 years.

Distance running, including events like the marathon, half-marathon, and 10K, is a popular choice among senior athletes due to its cardiovascular benefits and lower impact on joints.

Charles Allie, a former sprinter from Antigua and Barbuda, holds the world record in the men's 100-meter dash in the 80-84 age group with a time of 13.41 seconds.

World Masters Athletics (WMA) is the international organization that governs masters track and field competitions and sets world records for athletes aged 35 years and above.

The United States has won the most medals at the World Masters Athletics Championships, demonstrating the country's strong tradition in masters track and field.

According to the WMA regulations, the minimum qualifying time for a 60-year-old male athlete to compete in the 100-meter dash at the World Masters Athletics Championships is 13.50 seconds.

Rosemary Chrimes, a British athlete, holds the world record in the women's long jump in the 75-79 age group with a distance of 4.56 meters.

The World Masters Athletics Championships is a biennial international track and field competition specifically for masters athletes aged 35 years and above.

Donald Pellmann, an American athlete, holds the world record in the men's 200-meter dash in the 90-94 age group with a time of 34.86 seconds.

The USATF Masters Outdoor Championships is an annual track and field competition in the United States specifically for masters athletes aged 35 years and above.

Sigrid Eichner, a German athlete, holds the world record in the women's 800-meter run in the 65-69 age group with a time of 2:34.98.

The Canadian Masters Athletics Championships is an annual track and field competition in Canada specifically for masters athletes aged 35 years and above.

Valeriy Sereda, a Ukrainian athlete, holds the world record in the men's high jump in the 70-74 age group with a height of 1.70 meters.

The Australian Masters Athletics Championships is an annual track and field competition in Australia specifically for masters athletes aged 35 years and above.

Tracy O'Hara, an American athlete, holds the world record in the women's pole vault in the 50-54 age group with a height of 3.62 meters.