noun
field event; field sports
Refers to athletic events that take place on a field, such as throwing and jumping events, as opposed to track events.
彼はフィールド競技で砲丸投げに出場した。
He competed in the shot put in the field events.
トラック競技 refers to track events (running races), while フィールド競技 refers to field events (jumps and throws).
Compound of フィールド (from English 'field') and 競技 (competition, event).