Running is a test of endurance, strength, and mental resilience. Whether someone is training for a 10K or a full marathon, physical preparation often takes center stage. However, the internal state of the body is just as crucial for success. Blood tests provide an in-depth look at an athlete’s overall health, offering valuable data that can help fine-tune training, improve recovery, and prevent injuries.With the Hampton Court Palace 10K on March 22 and the Hampton Court Palace Half Marathon on March 23, many runners are fine-tuning their training and recovery strategies. Alongside physical preparation, more athletes are incorporating health monitoring—such as blood tests—into their routines to track key performance indicators and prevent deficiencies.Sports science experts highlight the importance of proactive health assessments, particularly in endurance events, where factors like iron levels, vitamin deficiencies, and inflammation markers can significantly impact performance and recovery. Laboratory testing allows runners to identify potential imbalances before race day, helping them make informed adjustments to their nutrition, training load, and recovery plans.