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Threshold Field Test Packet (4 Cards)1 × $4.95
HZT to the MAX! Training Bundle (DVD + Booklet)2 × $59.95
Threshold Wall Chart Jumbo Size1 × $9.95
Maximum Heart Rate cards 10 pack (4"x6")1 × $4.99
Spark: The Revolutionary New Science of Exercise and the Brain1 × $11.25
Water Bottle2 × $6.95
THRESHOLD Foundation Seminar Syllabus Booklet1 × $24.95
Triathlon Log2 × $14.95
To the MAX! Heart Zones Training (DVD)2 × $39.95
The Complete Book of Triathlons1 × $16.95
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