MP 9.2K + 3.3K (15.7K)

Temperature: 30.6 degrees centigrade
Humidity: 74%
Location: CCU track
Start time: 16:35

Warm-up 1.6km (8:15),

MP 9.2km (38:52), rest 1min,
MP 3.3km (13:36)

Warm-down 1.6km (8:05)

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跑了8km以後，右腿還是會有僵硬的問題，是肌耐力不夠嗎？還是一整天工作坐太久？