RIM 2 RIM 2 RIM  ·  50 Mile Hike  ·  02 SEP 2026
Beast of the East  ·  50 Mile Ultramarathon  ·  12 DEC 2026

Week 12

CategorySessionsTotal TimeEst. Distance
Running58:2045.0 mi
Strength21:25
Cycling11:30
Total811:1545.0 mi
Monday 9/14 Base Run + Gym B Run Strength

Base Run

Duration: 55 min
Est. Distance: ~5 mi
Pace target: 10:16–11:38 /mi

Gym B

Romanian deadlift pattern, single-leg work, and horizontal pulling. Targets the posterior chain and stability muscles that keep you upright at mile 40.

Duration: ~60 min
Format: 10 min cardio warmup / 5 exercises / 3 sets / 90 s rest

Warmup — 10 min easy cardio, rest as needed

ExerciseSetsRepsWeight
Romanian deadlift310Heavy
Single-leg Romanian deadlift310 eachModerate
Dumbbell step-up312 eachModerate
Seated cable row315Moderate
Weighted seated calf raise315Moderate

Notes: Single-leg RDL is a balance exercise as much as a strength exercise. Use a weight you can control through the full range of motion without wobbling. Step-up height should be knee height or slightly below.

Tuesday 9/15 Base Run Run

Base Run

Duration: 70 min
Est. Distance: ~6.5 mi
Pace target: 10:16–11:38 /mi

Wednesday 9/16 MTB Ride Ride

MTB Ride

Duration: 90 min
Effort: Moderate

Thursday 9/17 Base Run + BW Circuit B Run Strength

Base Run

Duration: 60 min
Est. Distance: ~5.5 mi
Pace target: 10:16–11:38 /mi

BW Circuit B

Single-leg balance and hip stability work. Targets the muscles that keep you from rolling an ankle on technical terrain and maintain form when you're exhausted.

Duration: ~25 min
Format: 3 rounds · 40 s work / 20 s rest · Rest as needed between rounds

#ExerciseDuration
1Single-leg hip raise
▶ Demo
40 s each side
2Rest20 s
3Opposite arm & leg balance
▶ Demo
40 s
4Rest20 s
5Lateral lunge40 s
6Rest20 s
7Plank with arm raise
▶ Demo
40 s
8Rest20 s
9Glute bridge march40 s
10Rest20 s
11Dead bug40 s
12Rest between roundsAs needed

Notes: Dead bug — lie on your back, arms straight up, knees bent 90°. Lower opposite arm and leg toward the floor while keeping your lower back flat. Return and switch. Slow and controlled beats fast and sloppy every time.

Friday 9/18 Long Run Run

Long Run

Duration: 3:00
Est. Distance: ~16 mi
Pace target: 10:16–11:38 /mi
Notes: Start practicing your race-day nutrition timing. Aim to eat every 45 min.

Saturday 9/19 Long Run Run

Long Run

Duration: 2:15
Est. Distance: ~12 mi
Pace target: 10:16–11:38 /mi
Notes: Back-to-back day 2. This combo (16+12) is the biggest yet. Stay easy.

Sunday 9/20 Rest Day Rest

Rest Day

No workout

Beast of the East 50-Mile Training Plan · Week 12 of 24 · Build Phase