Through this study, the investigators intend to describe the profile of marathon and half marathon runners older than 70 years old, in terms of medical, social and psychological characteristics.

First, in order to acquire a better knowledge of these aged runners: who they are; on a medical, social and psychological point of view; to figure out their motivations; to assess the impact on their life, their health and aging process.

Then, in order to be able to offer them a better medical care, in terms of prevention, treatment and follow-up care.

Inclusion Criteria:

• Older than 70 years old
• Marathon or Half marathon runner
• To give an agreement to use medical datas for research study

Exclusion Criteria:

- Refusal to give an agreement to participate

Marathon and half marathon runners older than 70 years old