SimpliFaster is a blog dedicated to athletic speed development. They are looking for original articles for their blog. Topics for articles may include “training, skills (e.g. hurdles, long jump), coaching, recovery, sleep, athlete testing, team management, bio-mechanics, mental preparation, injury prevention and rehabilitation, weight training, physiotherapy, planning, periodization, equipment, and technology.” Their articles are generally 1,500 to 2,500 words long. According to their guidelines, they pay 7 cents per word. To learn more, refer to this page.