Trail runners

30 39 years 30s 35 39 years 35 40 years active activity adult aliso viejo athlete athletes athletics blue sky caucasian caucasian ancestry caucasian ethnicity caucasians clear sky commitment determination discipline empty sky endurance exercise field fitness friendship full length grass grass field grassland health healthy healthy activity jogger jogging male mid adult mid adult mid adult man motivated motivation nature outdoor outdoors path pathway perseverance persistence physical fitness runner runners running self control springtime teamwork thirties trail trail running training two people vertical willpower