

Javelina Jundred 100K Training Plan: 26 Weeks, Intermediate, Heart Rate
Prepare specifically for the Javelina Jundred 100K with a structured 26-week heart rate training plan for established trail runners who want a strong performance. It develops threshold, climbing strength, downhill durability and race-specific endurance for the demands of the Javelina course.
The Race
98.5 km (61 mi): one 36 km loop and two 31 km loops on the Pemberton Trail, Arizona, with about 1,200 m (4,000 ft) of climbing. Rolling desert singletrack and sandy washes with little shade: heat by day, cool in the evening.
Who It Is For
You have finished at least one 50-mile or 60-80K race, run 5 times a week (about 6-7 h) and do regular 2 h long runs.
Your 26 Weeks
- Phases: Preparation week 1, Base weeks 2-10, Build weeks 11-17, Specific weeks 18-23, Taper weeks 24-25, race week 26.
- Weekly: 5 runs and 2 strength sessions, about 5.5 h rising to 12.5 h of running.
- Long runs: 1h45 to 6h00, with back-to-back runs up to 3h00.
- Climbing: about 450 m rising to 1750 m a week (the course averages 12.2 m per km).
- Race-specific: runnable tempo and cruise intervals, rolling hill repeats, heat training, back-to-backs, a dress rehearsal.
- Strength: two RunForce 45-min sessions built in the TrainingPeaks Strength Builder (A: Force & Posterior Chain; B: Single-Leg & Mountain Durability), with a demonstration video for every exercise.
Heart Rate Training

Every run is prescribed in RunForce heart-rate zones (% of max HR), with a field check in week 1 and decoupling checks later. Workouts explain how to use HR on climbs, heart-rate lag on short reps, cardiac drift and the effect of heat.
Also Available
This plan is also available in Beginner Heart Rate versions. Other Javelina plans: 100 Mile. Search "RunForce Javelina" in the TrainingPeaks store.
Your Coach: Adrien Thévenet

Endurance coach since 2011, working with elite athletes, professional endurance athletes, major race winners, and a Spartan National Champion across road, trail, and mountain running.
RunForce is independent and is not affiliated with or endorsed by Aravaipa Running or the Javelina Jundred. The race name is used only to identify the event this plan prepares you for.
Certifications:
-25 Years of Endurance Sports Experience
-TrainingPeaks Level 2
-UESCA Ultrarunning
-RRCA Certified
-STRYD Power Coach
-ACE Certified
With 25 years in endurance sports, I offer tailored coaching for diverse runners - from beginners to sub 3-hour marathoners. Emphasizing well-being, we collaborate on a program that fits your life keeping you motivated.