RunningLetters

Live training journal

ChicagoMarathon 2026

18 weeks of preparation.

Where I am now

Week 15 of 18

14 Sept - 20 Sept 2026

In progress

No runs logged in this week yet.

Updated from Strava. 20 Sept, 03:22.

Coached preparationJovan Denović

Preparation for the Chicago Marathon is led by Jovan Denović, an athlete, medical student and founder of the Run Culture community.

Through the training plan, the focus is on smart progress, understanding the body, injury prevention and consistency throughout the entire process.

  • Individual approach
  • Training grounded in knowledge and experience
  • Support throughout the preparation

Whether you are training for your first 5K or a marathon, Jovan can help make the process simpler and smarter.

Weekly reflection

The focus is building the aerobic base and running economy. Two easy runs (10 km and 6.5 km) will help increase total mileage with lower stress.

The tempo workout will develop the ability to hold a faster rhythm with controlled effort.

The most important workout of the week will be a progressive 19 km long run, where I will run the final kilometers faster than the start. This simulates marathon-like fatigue and develops the ability to maintain form in the later stages of the race.

Overall, the week is about gradually strengthening endurance and efficiency, and preparing the body for the higher training volume ahead.

20-week diary

All preparation weeks

  1. 1514 - 20 SeptIn progress
  2. 185 - 11 Oct
View weeks

Week 15 of 18

14 Sept - 20 Sept 2026

Open runsIn progress
Weekly total
0 km
Runs
0
Long run
0 km
Average pace
Not yet
Moving time
0 min

No runs logged in this week yet.

Week 14 of 18

7 Sept - 13 Sept 2026

Open runsCompleted
Weekly total
21 km
Runs
1
Long run
21 km
Average pace
4:52 / km
Moving time
1 h 42 min

Sarajevo Half

13 Sept

Distance
21 km
Time
1 h 42 min
Pace
4:52 / km

Comment

No Strava description yet.

Weekly total
21 km
Average pace
4:52 / km

Week 13 of 18

31 Aug - 6 Sept 2026

Open runsCompleted
Weekly total
52 km
Runs
5
Long run
18 km
Average pace
5:09 / km
Moving time
4 h 26 min

Evening Run

1 Sept

Distance
11 km
Time
57 min
Pace
5:11 / km

Comment

No Strava description yet.

Evening Run

3 Sept

Distance
11 km
Time
59 min
Pace
5:24 / km

Comment

Easy + intervali

Evening Run

4 Sept

Distance
11 km
Time
55 min
Pace
5:12 / km

Comment

Steady + 6x100 19sec

Evening Run

4 Sept

Distance
1 km
Time
5 min
Pace
5:13 / km

Comment

No Strava description yet.

Evening Run

6 Sept

Distance
18 km
Time
1 h 29 min
Pace
4:56 / km

Comment

No Strava description yet.

Weekly total
52 km
Average pace
5:09 / km

Week 12 of 18

24 Aug - 30 Aug 2026

Open runsCompleted
Weekly total
49 km
Runs
4
Long run
16 km
Average pace
5:15 / km
Moving time
4 h 17 min

Afternoon Run

25 Aug

Distance
12 km
Time
1 h 6 min
Pace
5:38 / km

Comment

10km + drills + hills

Evening Run

26 Aug

Distance
10 km
Time
50 min
Pace
4:45 / km

Comment

Katarina Sipka

Evening Run

28 Aug

Distance
11 km
Time
56 min
Pace
5:11 / km

Comment

10 laganije + ubrzanja 6x100m

Morning Run

30 Aug

Distance
16 km
Time
1 h 25 min
Pace
5:19 / km

Comment

long run

Weekly total
49 km
Average pace
5:15 / km

Week 11 of 18

17 Aug - 23 Aug 2026

Open runsCompleted
Weekly total
44 km
Runs
5
Long run
15 km
Average pace
5:22 / km
Moving time
3 h 54 min

Evening Run

18 Aug

Distance
9.6 km
Time
48 min
Pace
4:58 / km

Comment

9km lagano trčanje + drils + 6x100m za 18- 20sec / 75sec pauza izmedju

Morning Run

19 Aug

Distance
9.4 km
Time
53 min
Pace
5:40 / km

Comment

9km lagano trčanje + drils + 6x20sec uzbrdo / 90sec pauza izmedju

Morning Run

22 Aug

Distance
7.6 km
Time
38 min
Pace
4:59 / km

Comment

3km lagano zagrevanje + drils + 2-3x 60m strides + 3min2min1min x4 (10k-5k pace) / 75 sec p

+ cool down

22 Aug

Distance
2 km
Time
12 min
Pace
5:56 / km

Comment

No Strava description yet.

Morning Run

23 Aug

Distance
15 km
Time
1 h 23 min
Pace
5:32 / km

Comment

long run

Weekly total
44 km
Average pace
5:22 / km

Week 10 of 18

10 Aug - 16 Aug 2026

Open runsCompleted
Weekly total
47 km
Runs
5
Long run
12 km
Average pace
5:38 / km
Moving time
4 h 26 min

Morning Run

11 Aug

Distance
9.6 km
Time
54 min
Pace
5:38 / km

Comment

9 km lagano trčanje + drills + 6 × 100 m za 18–20 sekundi / 90 sekundi pauze između.

Evening Run

12 Aug

Distance
11 km
Time
57 min
Pace
5:01 / km

Comment

4 km lagano trčanje + drills + 2–3 strides po 60–80 m + 12 × 1 min ON / 1 min OFF fartlek (24 min) + 2 km lagano

Morning Run

14 Aug

Distance
12 km
Time
1 h 7 min
Pace
5:47 / km

Comment

8 km lagano trčanje + drills + 6 × 15 sekundi uzbrdo / 90 sekundi pauze između + 3 km lagano.

Morning Run

16 Aug

Distance
3.8 km
Time
23 min
Pace
6:01 / km

Comment

Long run 1st part

Morning Run

16 Aug

Distance
11 km
Time
1 h 5 min
Pace
6:01 / km

Comment

Long run 2nd part

Weekly total
47 km
Average pace
5:38 / km

Week 9 of 18

3 Aug - 9 Aug 2026

Open runsCompleted
Weekly total
52 km
Runs
5
Long run
18 km
Average pace
5:29 / km
Moving time
4 h 46 min

Morning Run

4 Aug

Distance
11 km
Time
57 min
Pace
5:22 / km

Comment

10km lagano trcanje + drills + 6x100m za 18/20sec / 90sec p

Morning Run

5 Aug

Distance
10 km
Time
46 min
Pace
4:37 / km

Comment

3km lagano trčanje + drills + 2-3 strides 60-80m + 10min tempo (10k pace) / 3min p / 15x200m za 40-43sec / 90sec p izmedju + 2km cool down

Morning Run

8 Aug

Distance
11 km
Time
1 h 3 min
Pace
5:53 / km

Comment

Easy sa Danilom

Morning Run

8 Aug

Distance
2.8 km
Time
16 min
Pace
5:41 / km

Comment

No Strava description yet.

Evening Run

9 Aug

Distance
18 km
Time
1 h 44 min
Pace
5:47 / km

Comment

Duzina

Weekly total
52 km
Average pace
5:29 / km

Week 8 of 18

27 Jul - 2 Aug 2026

Open runsCompleted
Weekly total
52 km
Runs
6
Long run
18 km
Average pace
5:27 / km
Moving time
4 h 46 min

Afternoon Run

27 Jul

Distance
3.5 km
Time
20 min
Pace
5:44 / km

Comment

Cooper warmUp

Evening Run

27 Jul

Distance
2.8 km
Time
12 min
Pace
4:15 / km

Comment

Cooper aditional

Evening Run

28 Jul

Distance
11 km
Time
60 min
Pace
5:35 / km

Comment

10km lagano trčanje + drils + 6x100m za 18/20sec / 90sec p između

Lunch Run

30 Jul

Distance
8.5 km
Time
42 min
Pace
4:57 / km

Comment

2.5 km easy warm-up drills + 2 strides 10 min / 8 min / 6 min (HM / 10K / 5K pace) 1.5 km cool-down

Morning Run

31 Jul

Distance
9 km
Time
47 min
Pace
5:12 / km

Comment

9km easy run

Morning Run

2 Aug

Distance
18 km
Time
1 h 45 min
Pace
5:52 / km

Comment

Long run

Weekly total
52 km
Average pace
5:27 / km

Week 7 of 18

20 Jul - 26 Jul 2026

Open runsCompleted
Weekly total
48 km
Runs
4
Long run
16 km
Average pace
4:57 / km
Moving time
3 h 58 min

Evening Run

20 Jul

Distance
11 km
Time
57 min
Pace
5:18 / km

Comment

10km lagano trčanje + drils + 6x100m za 18/20sec / 90sec p između

Evening Run

21 Jul

Distance
12 km
Time
54 min
Pace
4:23 / km

Comment

3km lagano trčanje + drils + 2–3 strides po 60–80m + 20x400m (10–5k pace) / 60sec pauza između + 1.3km istrčavanje

Morning Run

24 Jul

Distance
9 km
Time
47 min
Pace
5:15 / km

Comment

Easy run

Evening Run

26 Jul

Distance
16 km
Time
1 h 20 min
Pace
4:59 / km

Comment

duža brža ✌️

Weekly total
48 km
Average pace
4:57 / km

Week 6 of 18

13 Jul - 19 Jul 2026

Open runsCompleted
Weekly total
46 km
Runs
4
Long run
15 km
Average pace
5:19 / km
Moving time
4 h 4 min

Morning Run

14 Jul

Distance
11 km
Time
56 min
Pace
5:15 / km

Comment

10km lagano trcanje + drils + 6x100m za 18-20sec/90sec P izmedju

Evening Run

15 Jul

Distance
10 km
Time
49 min
Pace
4:42 / km

Comment

3km lagano trčanje + drils + 2–3 strides po 60–80m + 8x3min (10k pace) / 75sec pauza između + 2km istrčavanje

Morning Run

17 Jul

Distance
9.9 km
Time
52 min
Pace
5:13 / km

Comment

9km lagano trčanje + drils + 6x15sec uzbrdo / 90sec pauza između + 3–5min lagano istrčavanje

Morning Run

18 Jul

Distance
15 km
Time
1 h 28 min
Pace
5:51 / km

Comment

Long run

Weekly total
46 km
Average pace
5:19 / km

Week 5 of 18

6 Jul - 12 Jul 2026

Open runsCompleted
Weekly total
44 km
Runs
4
Long run
16 km
Average pace
5:10 / km
Moving time
3 h 46 min

Afternoon Run

7 Jul

Distance
9 km
Time
44 min
Pace
4:50 / km

Comment

8km lagano trcanje + drils + 6x100m za 18-20sec + 3-5min lagano istrcavanje Ubrzano lagano✌️

Evening Run

9 Jul

Distance
10 km
Time
54 min
Pace
5:23 / km

Comment

4km lagano trčanje + drils + 2-3 strides po 60-80m + 10x1minON1minOF F fartlek + 2km istrčavanje lagano

Evening Run

10 Jul

Distance
8.6 km
Time
48 min
Pace
5:30 / km

Comment

8km lagano trcanje + 4-6x15sec strides (ubrzanja)

Afternoon Run

12 Jul

Distance
16 km
Time
1 h 21 min
Pace
5:03 / km

Comment

16km long run

Weekly total
44 km
Average pace
5:10 / km

Week 4 of 18

29 Jun - 5 Jul 2026

Open runsCompleted
Weekly total
31 km
Runs
3
Long run
15 km
Average pace
5:37 / km
Moving time
2 h 52 min

Morning Run

30 Jun

Distance
9.5 km
Time
52 min
Pace
5:27 / km

Comment

Easy + strides

Evening Run

2 Jul

Distance
5.6 km
Time
30 min
Pace
5:17 / km

Comment

rastrcavanje razbijenog koljena🤝

Morning Run

5 Jul

Distance
15 km
Time
1 h 30 min
Pace
5:50 / km

Comment

No Strava description yet.

Weekly total
31 km
Average pace
5:37 / km

Week 3 of 18

22 Jun - 28 Jun 2026

Open runsCompleted
Weekly total
45 km
Runs
4
Long run
14 km
Average pace
5:11 / km
Moving time
3 h 54 min

Morning Run

23 Jun

Distance
9.4 km
Time
49 min
Pace
5:10 / km

Comment

9km lagano trčanje + 4-6x15sec strides (ubrzanja)

Morning Run

24 Jun

Distance
11 km
Time
51 min
Pace
4:42 / km

Comment

3 km lagano trčanje + drills + 2–3 strides po 60–80 m + 3 min / 2 min / 1 min ×4 (10K–5K pace) 90 sec pauza između intervala + 2 km lagano istrčavanje

Morning run

26 Jun

Distance
11 km
Time
58 min
Pace
5:22 / km

Comment

9 km lagano trčanje + drills + 8 × 15 sec uzbrdo, 90 sec pauza između + 3–5 min lagano istrčavanje

Morning Run

28 Jun

Distance
14 km
Time
1 h 16 min
Pace
5:26 / km

Comment

Easy long run

Weekly total
45 km
Average pace
5:11 / km

Week 2 of 18

15 Jun - 21 Jun 2026

Open runsCompleted
Weekly total
43 km
Runs
4
Long run
13 km
Average pace
5:34 / km
Moving time
3 h 58 min

Morning Run

16 Jun

Distance
10 km
Time
56 min
Pace
5:35 / km

Comment

9km lagano trčanje + drils + 6x15sec uzbrdo / 90sec pauza između + 3-5min lagano istrčavanje

Morning Run

18 Jun

Distance
10 km
Time
49 min
Pace
4:48 / km

Comment

3km lagano trčanje + drills + 2-3 strides po 60-80m + 7x3min (10k pace) intervali / 80sec p + 2km istrčavanje lagano

Morning Run

19 Jun

Distance
9.5 km
Time
55 min
Pace
5:50 / km

Comment

9km lagano trčanje + 4-6x15sec strides (ubrzanja)

Evening Run

21 Jun

Distance
13 km
Time
1 h 18 min
Pace
5:59 / km

Comment

13km long run

Weekly total
43 km
Average pace
5:34 / km

Week 1 of 18

8 Jun - 14 Jun 2026

Open runsCompleted
Weekly total
38 km
Runs
4
Long run
12 km
Average pace
5:22 / km
Moving time
3 h 25 min

Evening Run

9 Jun

Distance
8.7 km
Time
46 min
Pace
5:20 / km

Comment

8km lagano trčanje + drils + 4x15sec uzbrdo / 90sec pauza između + 3-5min lagano istrčavanje.

Evening Run

10 Jun

Distance
9 km
Time
43 min
Pace
4:45 / km

Comment

3km lagano trčanje + drills + 2–3 strides po 60–80m + 10x2min (10K pace) intervali / 80sec pauza između + 1km lagano istrčavanje.

Evening Run

12 Jun

Distance
8.5 km
Time
45 min
Pace
5:15 / km

Comment

8km lagano trčanje + 4-6x15sec strides (ubrzanja)

Morning Run

14 Jun

Distance
12 km
Time
1 h 11 min
Pace
5:56 / km

Comment

12km long run

Weekly total
38 km
Average pace
5:22 / km

Progress

Total
611 km
Total distance
58
Completed trainings
54 h 13 min
Total time

Plan progress

51%

Next week

21 Sept - 27 Sept 2026

Week 16 of 18

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