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Milan marathon 5 weeks: specifically for marathon

Monday 31: cl 10km 4'41''146 bpm treadmill
Tuesday 1: 12km cl 4'38''143 bpm
Wednesday 2: 3x3000mt rec. 3 '(3'53''-3'51''-3'52'')
Thursday 3: rest
Friday 4: cm + 5km 10km 15km cl
5 Saturday: rest SNOWBOARDS to Prati di Tivo
Sunday 6: 21km MRAR 4'21''(154 bpm average heart rate 78%)

total km per week: 68