Racer Log can significantly improve your training if you spend only a few minutes a day maintaining a training diary. This may be the most helpful and informative tool you'll ever use because you enter the information yourself and it will only be as good as what you put into it. Is your performance improving? If not, why not? If it is, then what made the difference and is there room for even further improvement?
On a daily basis, you can enter your energy level, hours of sleep, pulse, blood pressure, and weight. Every activity includes space to enter information on intensity, distance, duration, speed, cadence, altitude, pulse, and weather. Racer Log can also track race performance, route notes, and other summaries. Until you measure what type of improvements you've obtained from training, you won't know whether to retain or modify your training regimen. Weekly, monthly, and yearly charting of distance, duration, and speed will help you make the these decisions.