Analysis of the energy systems used during an 800m race Stage Distance Stage Time Predominant energy Stage Stage Description Commentary (meters) (seconds) system Rapid acceleration, 1 preparing for stage 10 2.4 2. To the end of the 2 first bend, getting 100 12.5 near the front. Steady pace to end 3 290 44.0 of the first lap. Accelerating, responding to Anaerobic lactic acid Crossing lactate threshold. Lactic acid 4 70 10.0 overtaking runner system accumulation. on bend. Back straight – 5 decelerate then 130 21.0 steady pace. Gradual increase in pace round final 6 120 16.0 bend and entering straight. Running at 7 80 9.5 maximal pace.
Stage Stage Description Stage Distance (meters) Stage Time (seconds) Predominant energy system Commentary 1 Rapid acceleration, preparing for stage 2. 10 2.4 2 To the end of the first bend, getting near the front. 100 12.5 3 Steady pace to end of the first lap. 290 44.0 4 Accelerating, responding to overtaking runner on bend. 70 10.0 Anaerobic lactic acid system Crossing lactate threshold. Lactic acid accumulation. 5 Back straight – decelerate then steady pace. 130 21.0 6 Gradual increase in pace round final bend and entering straight. 120 16.0 7 Running at maximal pace. 80 9.5 Analysis of the energy systems used during an 800m race
aerobic_v_anaerobic_800m_race_-_worksheet.docx