50K Trail Training Plan

16 weeks 50k trail

A progressive 16-week trail training plan building to 50K race distance. Includes terrain-specific workouts, periodized training phases, and proper taper.

Week 1

base 20 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 3 km

Wed Hills Trail run with technical single track 3 km

Thu Easy Recovery run at very easy pace 3 km

Fri Tempo Tempo intervals at lactate threshold 2 km

Sat Long Run Long run on trail terrain simulating race conditions 7 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 2 km

Week 2

base 20 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 3 km

Wed Hills Trail run with technical single track 3 km

Thu Easy Recovery run at very easy pace 3 km

Fri Tempo Tempo intervals at lactate threshold 2 km

Sat Long Run Long run on trail terrain simulating race conditions 7 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 2 km

Week 3

base 20 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 3 km

Wed Hills Trail run with technical single track 3 km

Thu Easy Recovery run at very easy pace 3 km

Fri Tempo Tempo intervals at lactate threshold 2 km

Sat Long Run Long run on trail terrain simulating race conditions 7 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 2 km

Week 4

base 20 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 3 km

Wed Hills Trail run with technical single track 3 km

Thu Easy Recovery run at very easy pace 3 km

Fri Tempo Tempo intervals at lactate threshold 2 km

Sat Long Run Long run on trail terrain simulating race conditions 7 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 2 km

Week 5

build 28 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 4 km

Wed Hills Trail run with technical single track 4 km

Thu Easy Recovery run at very easy pace 4 km

Fri Tempo Tempo intervals at lactate threshold 3 km

Sat Long Run Long run on trail terrain simulating race conditions 10 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 3 km

Week 6

build 29 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 4 km

Wed Hills Trail run with technical single track 4 km

Thu Easy Recovery run at very easy pace 4 km

Fri Tempo Tempo intervals at lactate threshold 3 km

Sat Long Run Long run on trail terrain simulating race conditions 10 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 3 km

Week 7

build 29 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 4 km

Wed Hills Trail run with technical single track 4 km

Thu Easy Recovery run at very easy pace 4 km

Fri Tempo Tempo intervals at lactate threshold 3 km

Sat Long Run Long run on trail terrain simulating race conditions 10 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 3 km

Week 8

build 30 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 5 km

Wed Hills Trail run with technical single track 4 km

Thu Easy Recovery run at very easy pace 5 km

Fri Tempo Tempo intervals at lactate threshold 4 km

Sat Long Run Long run on trail terrain simulating race conditions 11 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 3 km

Week 9

peak 40 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 6 km

Wed Hills Trail run with technical single track 5 km

Thu Easy Recovery run at very easy pace 6 km

Fri Tempo Tempo intervals at lactate threshold 5 km

Sat Long Run Long run on trail terrain simulating race conditions 14 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 4 km

Week 10

peak 40 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 6 km

Wed Hills Trail run with technical single track 5 km

Thu Easy Recovery run at very easy pace 6 km

Fri Tempo Tempo intervals at lactate threshold 5 km

Sat Long Run Long run on trail terrain simulating race conditions 14 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 4 km

Week 11

peak 40 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 6 km

Wed Hills Trail run with technical single track 5 km

Thu Easy Recovery run at very easy pace 6 km

Fri Tempo Tempo intervals at lactate threshold 5 km

Sat Long Run Long run on trail terrain simulating race conditions 14 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 4 km

Week 12

peak 40 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 6 km

Wed Hills Trail run with technical single track 5 km

Thu Easy Recovery run at very easy pace 6 km

Fri Tempo Tempo intervals at lactate threshold 5 km

Sat Long Run Long run on trail terrain simulating race conditions 14 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 4 km

Week 13

taper 20 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 3 km

Wed Hills Trail run with technical single track 3 km

Thu Easy Recovery run at very easy pace 3 km

Fri Tempo Tempo intervals at lactate threshold 2 km

Sat Long Run Long run on trail terrain simulating race conditions 7 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 2 km

Week 14

taper 20 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 3 km

Wed Hills Trail run with technical single track 3 km

Thu Easy Recovery run at very easy pace 3 km

Fri Tempo Tempo intervals at lactate threshold 2 km

Sat Long Run Long run on trail terrain simulating race conditions 7 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 2 km

Week 15

recovery 20 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 3 km

Wed Hills Trail run with technical single track 3 km

Thu Easy Recovery run at very easy pace 3 km

Fri Tempo Tempo intervals at lactate threshold 2 km

Sat Long Run Long run on trail terrain simulating race conditions 7 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 2 km

Week 16

recovery 20 km

Mon Rest Complete rest or gentle walking 0

Tue Easy Easy aerobic run at conversational pace 3 km

Wed Hills Trail run with technical single track 3 km

Thu Easy Recovery run at very easy pace 3 km

Fri Tempo Tempo intervals at lactate threshold 2 km

Sat Long Run Long run on trail terrain simulating race conditions 7 km

Sun Cross Train Cross-training: cycling, swimming, or yoga 2 km