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BOSTON MARATHON 2026

Michal Procházka

Bib: 5840•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 15%
Gender (Male)
#0 / 16340
Top 24%
Masters (Masters Men)
#0 / 10617
Top 10%
Age Group (M40-44)
#0 / 2198
Top 28%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
19:56
3.11 mi
Rank: #3587
Start → 5K
19:56 | 6:25/mi
10K
40:16
6.21 mi
Rank: #4028 (-441)
5K → 10K
20:20 | 6:33/mi
15K
1:00:20
9.32 mi
Rank: #3960 (+68)
10K → 15K
20:04 | 6:28/mi
20K
1:20:19
12.43 mi
Rank: #3788 (+172)
15K → 20K
19:59 | 6:26/mi
HALF
1:24:45
13.11 mi
Rank: #3821 (-33)
20K → HALF
4:26 | 6:31/mi
25K
1:40:31
15.53 mi
Rank: #3745 (+76)
HALF → 25K
15:46 | 6:31/mi
30K
2:01:32
18.64 mi
Rank: #3752 (-7)
25K → 30K
21:01 | 6:46/mi
20M
2:10:50
20.00 mi
Rank: #3748 (+4)
30K → 20M
9:18 | 6:51/mi
21M
2:18:07
21.00 mi
Rank: #3799 (-51)
20M → 21M
7:17 | 7:17/mi
35K
2:23:03
21.75 mi
Rank: #3790 (+9)
21M → 35K
4:56 | 6:36/mi
23M
2:31:55
23.00 mi
Rank: #3865 (-75)
35K → 23M
8:52 | 7:06/mi
24M
2:38:58
24.00 mi
Rank: #3949 (-84)
23M → 24M
7:03 | 7:03/mi
40K
2:45:23
24.85 mi
Rank: #4103 (-154)
24M → 40K
6:25 | 7:31/mi
25.2M
2:48:15
25.20 mi
Rank: #4196 (-93)
40K → 25.2M
2:52 | 8:19/mi
FINISH
2:55:22
26.22 mi
Rank: #4313 (-117)
25.2M → FINISH
7:07 | 7:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:24:45
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:30:37
Pace6:55 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3719:566:2519:56
6:25
-
10K
6.21 mi10:44:5740:166:2920:20
6:33
+0:08
15K
9.32 mi11:05:011:00:206:2920:04
6:28
-0:05
20K
12.43 mi11:25:001:20:196:2819:59
6:26
-0:02
HALF
13.11 mi11:29:261:24:456:284:26
6:31
+0:05
25K
15.53 mi11:45:121:40:316:2915:46
6:31
0:00
30K
18.64 mi12:06:132:01:326:3221:01
6:46
+0:15
20M
20.00 mi12:15:312:10:506:339:18
6:51
+0:05
21M
21.00 mi12:22:482:18:076:357:17
7:17
+0:26
35K
21.75 mi12:27:442:23:036:354:56
6:36
-0:41
23M
23.00 mi12:36:362:31:556:378:52
7:06
+0:30
24M
24.00 mi12:43:392:38:586:387:03
7:03
-0:03
40K
24.85 mi12:50:042:45:236:406:25
7:31
+0:28
25.2M
25.20 mi12:52:562:48:156:412:52
8:19
+0:48
FINISH
26.22 mi13:00:032:55:226:427:07
7:00
-1:19

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:25 /mi

Average Pace

6:42 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

59:59

34% of race

Time at Steady Pace

1:22:54

47% of race

Time at Slower Pace

32:29

19% of race

Average Pace: 6:41 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:24:3719:566:2519:56
6:25
#3587
10K
6.21 mi10:44:5740:166:2920:20
6:33
#4028
15K
9.32 mi11:05:011:00:206:2920:04
6:28
#3960
20K
12.43 mi11:25:001:20:196:2819:59
6:26
#3788
HALF
13.11 mi11:29:261:24:456:284:26
6:31
#3821
25K
15.53 mi11:45:121:40:316:2915:46
6:31
#3745
30K
18.64 mi12:06:132:01:326:3221:01
6:46
#3752
20M
20.00 mi12:15:312:10:506:339:18
6:51
#3748
21M
21.00 mi12:22:482:18:076:357:17
7:17
#3799
35K
21.75 mi12:27:442:23:036:354:56
6:36
#3790
23M
23.00 mi12:36:362:31:556:378:52
7:06
#3865
24M
24.00 mi12:43:392:38:586:387:03
7:03
#3949
40K
24.85 mi12:50:042:45:236:406:25
7:31
#4103
25.2M
25.20 mi12:52:562:48:156:412:52
8:19
#4196
FINISH
26.22 mi13:00:032:55:226:427:07
7:00
#4313
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3587341434143928(Top 14%)3735(Top 23%)3735(Top 170%)
10K6.21 mi3.10 mi4028-4413825-4113825-4114575(Top 16%)4307(Top 26%)4307(Top 196%)
15K9.32 mi3.11 mi3960+683768+573768+573928(Top 14%)3735(Top 23%)3735(Top 170%)
20K12.43 mi3.11 mi3788+1723607+1613607+1613338(Top 12%)3200(Top 20%)3200(Top 146%)
HALF13.11 mi0.68 mi3821-333639-323639-324403(Top 15%)4151(Top 25%)4151(Top 189%)
25K15.53 mi2.42 mi3745+763573+663573+663470(Top 12%)3300(Top 20%)3300(Top 150%)
30K18.64 mi3.11 mi3752-73569+43569+44096(Top 14%)3799(Top 23%)3799(Top 173%)
20M20.00 mi1.36 mi3748+43557+123557+124458(Top 15%)4046(Top 25%)4046(Top 184%)
21M21.00 mi1.00 mi3799-513597-403597-405124(Top 18%)4488(Top 27%)4488(Top 204%)
35K21.75 mi0.75 mi3790+93582+153582+154179(Top 14%)3781(Top 23%)3781(Top 172%)
23M23.00 mi1.25 mi3865-753636-543636-545989(Top 21%)5088(Top 31%)5088(Top 231%)
24M24.00 mi1.00 mi3949-843697-613697-616783(Top 23%)5545(Top 34%)5545(Top 252%)
40K24.85 mi0.85 mi4103-1543836-1393836-1398828(Top 30%)6595(Top 40%)6595(Top 300%)
25.2M25.20 mi0.35 mi4196-933905-693905-6910232(Top 35%)7208(Top 44%)7208(Top 328%)
FINISH26.22 mi1.02 mi4313-1173989-843989-847387(Top 25%)5702(Top 35%)5702(Top 259%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21
+97ft-345ft

Overall

3928

Males

3735

M40-44

3735

5K→10K

3.1 - 6.2 mi

Top 16%
×5
+79ft-138ft

Overall

4575

Males

4307

M40-44

4307

10K→15K

6.2 - 9.3 mi

Top 14%
×3
+67ft-78ft

Overall

3928

Males

3735

M40-44

3735

15K→20K

9.3 - 12.4 mi

Top 12%
×5
+106ft-86ft

Overall

3338

Males

3200

M40-44

3200

20K→HALF

12.4 - 13.1 mi

Top 15%
×2
+19ft-37ft

Overall

4403

Males

4151

M40-44

4151

HALF→25K

13.1 - 15.5 mi

Top 12%
×4
+66ft-88ft

Overall

3470

Males

3300

M40-44

3300

25K→30K

15.5 - 18.6 mi

Top 14%
×9
+181ft-148ft

Overall

4096

Males

3799

M40-44

3799

30K→20M

18.6 - 20.0 mi

Top 15%
×5
+64ft-50ft

Overall

4458

Males

4046

M40-44

4046

20M→21M

20.0 - 21.0 mi

Top 18%
×8
+106ft-24ft

Overall

5124

Males

4488

M40-44

4488

21M→35K

21.0 - 21.8 mi

Top 14%
×7
+17ft-86ft

Overall

4179

Males

3781

M40-44

3781

35K→23M

21.8 - 23.0 mi

Top 21%
×5
+23ft-63ft

Overall

5989

Males

5088

M40-44

5088

23M→24M

23.0 - 24.0 mi

Top 23%
×6
+12ft-82ft

Overall

6783

Males

5545

M40-44

5545

24M→40K

24.0 - 24.9 mi

Top 30%
×1
+6ft-20ft

Overall

8828

Males

6595

M40-44

6595

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1
+13ft-16ft

Overall

10232

Males

7208

M40-44

7208

25.2M→FINISH

25.2 - 26.2 mi

Top 25%
×2
+22ft-21ft

Overall

7387

Males

5702

M40-44

5702

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
811
Passed By
1257
Net Change
-726
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3587
5K → 10K39200-441#3587#4028
10K → 15K13567+68#4028#3960
15K → 20K19321+172#3960#3788
20K → HALF639-33#3788#3821
HALF → 25K10428+76#3821#3745
25K → 30K100107-7#3745#3752
30K → 20M6056+4#3752#3748
20M → 21M3182-51#3748#3799
21M → 35K3324+9#3799#3790
35K → 23M45120-75#3790#3865
23M → 24M23107-84#3865#3949
24M → 40K17171-154#3949#4103
40K → 25.2M598-93#4103#4196
25.2M → FINISH20137-117#4196#4313
TOTALS8111257-726
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing