Fig. 2

Number of female (white bars) and male (grey bars) finishers aged > 75 years for ‘BMW Berlin Marathon’ (a), ‘Boston Marathon’ (b), ‘ING New York City Marathon’ (c) and ‘BOA Chicago Marathon’ (d)
Number of female (white bars) and male (grey bars) finishers aged > 75 years for ‘BMW Berlin Marathon’ (a), ‘Boston Marathon’ (b), ‘ING New York City Marathon’ (c) and ‘BOA Chicago Marathon’ (d)