Runners on steep trail

20 24 years 25 29 years adventure athlete back lit boyfriend caucasian close up color image concentration countryside day determination effort endurance energy environment exercise fitness forest full length girlfriend growth healthy living heterosexual couple hiking journey lens flare low angle view man merlin motion nature oregon trail outdoors path people photography rear view recreation remote river rogue river runner running shadow sun sunbeam sunny trail training two people vertical woman young adult young couple adventuresome back lit close up color colour concentrating couple daytime development entertainment exercising exertion female full body health low angle male movement natural outside person power ray resolution rural sport stamina sunshine sweetheart tramping traveling travelling tree trip twenty two walkway water western european woods