Training Calendar
Races, workouts, training phases, plan milestones, and registration dates in one timeline.
October 2026
5
Mon
Recovery
2.8 mi · Very easy. No pace work or strides. Stop if thigh symptoms worsen.
Workout
8
Thu
Easy
2.2 mi · Final pre-race run. Race shoes only if completely symptom-free.
Workout
11
Sun
Chicago Marathon 2026
Priority A · Registered
Race
12
Mon
Chicago Marathon Recovery
Through Oct 18 · Recover first. Resume only when legs and inner thigh are ready.
Phase
19
Mon
Return to Running
Through Nov 1 · Easy every-other-day running. Rebuild rhythm without chasing mileage.
Phase
19
Mon
Easy
4 mi · Return to running after Chicago. Comfortable effort.
Workout
21
Wed
Easy
5 mi · Easy aerobic running.
Workout
23
Fri
Easy
4 mi · Easy. Keep recovery the priority.
Workout
25
Sun
LongRun
6.5 mi · 6-7 mile easy long run. No pace target.
Workout
27
Tue
Easy
5 mi · Easy aerobic running.
Workout
29
Thu
Easy
5 mi · Easy aerobic running.
Workout
31
Sat
LongRun
8 mi · 8 mile easy long run.
Workout
November 2026
2
Mon
OUC Half Marathon Transition
Through Nov 15 · Retain Chicago endurance and add modest half-marathon pace work.
Phase
2
Mon
Easy
5 mi · Easy start to the half-marathon transition.
Workout
4
Wed
Tempo
6 mi · 6 miles total with about 3 miles near OUC goal effort.
Workout
6
Fri
Easy
5 mi · Easy recovery between quality and long run.
Workout
8
Sun
LongRun
9 mi · 9 mile easy long run.
Workout
10
Tue
Easy
5 mi · Easy aerobic running.
Workout
12
Thu
Tempo
6 mi · 6 miles total with 3-4 miles near OUC goal effort.
Workout
14
Sat
LongRun
10 mi · 10 mile easy long run. Keep it controlled.
Workout
16
Mon
Spartan Race Week
Through Nov 22 · Spartan replaces the hard workout. Fun first, avoid injury risk.
Phase
16
Mon
Easy
4 mi · Light Spartan race-week running.
Workout
18
Wed
Easy
4 mi · Easy only. No hard work before Spartan.
Workout
21
Sat
Carolinas Spartan Trifecta Weekend 10K
Priority C · Registered · 09:45
Race
23
Mon
Recovery and Boston Bridge
Through Nov 29 · Recover from Spartan and arrive at Boston Week 1 comfortable with 5 miles.
Phase
24
Tue
Recovery
4 mi · Post-Spartan recovery run. Easy effort only.
Workout
27
Fri
Easy
5 mi · Easy bridge run before Boston training begins.
Workout
30
Mon
Boston Week 1 / OUC Half
Through Dec 6 · Boston plan begins Monday. OUC on Saturday is the week's major quality effort. Goal: sub-2:00.
Phase
30
Mon
Boston Marathon 2027 - 20 Week Plan begins
20 weeks · minimum start: 5 miles
Plan
30
Mon
Easy
5 mi · Boston Week 1 begins. Five easy miles.
Workout
December 2026
2
Wed
Tempo
5 mi · 5 miles total with about 2 miles near OUC goal effort.
Workout
5
Sat
OUC Half Marathon 2026
Priority B · Interested
Race
7
Mon
Boston Marathon Build
Through Apr 4 · Primary marathon build. 5K and 10K events can replace training and create recovery weeks.
Phase
8
Tue
Easy
6 mi · Base-plan run: 6 miles.
Workout
10
Thu
Easy
6 mi · Base-plan run: 6 miles.
Workout
12
Sat
LongRun
10 mi · Base-plan long run: 10 miles.
Workout
14
Mon
Easy
6 mi · Base-plan run: 6 miles.
Workout
16
Wed
Easy
6 mi · Base-plan run: 6 miles.
Workout
18
Fri
Easy
6 mi · Base-plan run: 6 miles.
Workout
20
Sun
LongRun
10 mi · Base-plan long run: 10 miles.
Workout
22
Tue
Easy
6 mi · Base-plan run: 6 miles.
Workout
24
Thu
Easy
6 mi · Base-plan run: 6 miles.
Workout
26
Sat
LongRun
10 mi · Base-plan long run: 10 miles.
Workout
28
Mon
Easy
6 mi · Base-plan run: 6 miles.
Workout
30
Wed
Easy
6 mi · Base-plan run: 6 miles.
Workout
January 2027
1
Fri
Easy
6 mi · Base-plan run: 6 miles.
Workout
3
Sun
LongRun
12 mi · Base-plan long run: 12 miles.
Workout
5
Tue
Easy
6 mi · Base-plan run: 6 miles.
Workout
7
Thu
LongRun
10 mi · Base-plan long run: 10 miles.
Workout
9
Sat
Easy
3.1 mi · Base-plan run: 3.1 miles.
Workout
11
Mon
Easy
6 mi · Base-plan run: 6 miles.
Workout
13
Wed
Easy
6 mi · Base-plan run: 6 miles.
Workout
15
Fri
Easy
6 mi · Base-plan run: 6 miles.
Workout
17
Sun
LongRun
14 mi · Base-plan long run: 14 miles.
Workout
19
Tue
Easy
6 mi · Base-plan run: 6 miles.
Workout
21
Thu
Easy
6 mi · Base-plan run: 6 miles.
Workout
23
Sat
LongRun
12 mi · Base-plan long run: 12 miles.
Workout
25
Mon
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
27
Wed
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
29
Fri
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
31
Sun
LongRun
16 mi · Base-plan long run: 16 miles.
Workout
February 2027
2
Tue
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
4
Thu
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
6
Sat
LongRun
14 mi · Base-plan long run: 14 miles.
Workout
8
Mon
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
10
Wed
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
12
Fri
LongRun
17 mi · Base-plan long run: 17 miles.
Workout
14
Sun
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
16
Tue
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
18
Thu
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
20
Sat
LongRun
16 mi · Base-plan long run: 16 miles.
Workout
22
Mon
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
24
Wed
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
26
Fri
LongRun
18 mi · Base-plan long run: 18 miles.
Workout
28
Sun
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
March 2027
2
Tue
Easy
7.5 mi · Base-plan run: 7.5 miles.
Workout
4
Thu
LongRun
17 mi · Base-plan long run: 17 miles.
Workout
7
Sun
Easy
3.1 mi · Base-plan run: 3.1 miles.
Workout
9
Tue
Easy
9 mi · Base-plan run: 9 miles.
Workout
11
Thu
Easy
9 mi · Base-plan run: 9 miles.
Workout
13
Sat
LongRun
22 mi · Base-plan long run: 22 miles.
Workout
15
Mon
Easy
9 mi · Base-plan run: 9 miles.
Workout
17
Wed
Easy
9 mi · Base-plan run: 9 miles.
Workout
19
Fri
LongRun
18 mi · Base-plan long run: 18 miles.
Workout
21
Sun
Easy
9 mi · Base-plan run: 9 miles.
Workout
23
Tue
Easy
9 mi · Base-plan run: 9 miles.
Workout
25
Thu
Easy
9 mi · Base-plan run: 9 miles.
Workout
27
Sat
LongRun
22 mi · Base-plan long run: 22 miles.
Workout
29
Mon
Easy
9 mi · Base-plan run: 9 miles.
Workout
31
Wed
Easy
9 mi · Base-plan run: 9 miles.
Workout
April 2027
2
Fri
LongRun
12 mi · Base-plan long run: 12 miles.
Workout
4
Sun
Easy
9 mi · Base-plan run: 9 miles.
Workout
5
Mon
Boston Taper
Through Apr 18 · Reduce fatigue while preserving race readiness.
Phase
6
Tue
Easy
9 mi · Base-plan run: 9 miles.
Workout
8
Thu
Easy
9 mi · Base-plan run: 9 miles.
Workout
10
Sat
Easy
7 mi · Base-plan run: 7 miles.
Workout
13
Tue
Easy
3 mi · Base-plan run: 3 miles.
Workout
16
Fri
Easy
2 mi · Base-plan run: 2 miles.
Workout
19
Mon
Boston Marathon Race Day
Phase
19
Mon
Boston Marathon 2027 - 20 Week Plan ends
Plan
19
Mon
Boston Marathon 2027
Priority A · Interested
Race