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BOSTON MARATHON 2026

Michal Karcz

Bib: 32910β€’M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
Race Day Weather
51Β°/41Β°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
32:09
3.11 mi
Rank: #26859
Start β†’ 5K
32:09 | 10:21/mi
10K
1:04:37
6.21 mi
Rank: #26827 (+32)
5K β†’ 10K
32:28 | 10:28/mi
15K
1:38:12
9.32 mi
Rank: #26953 (-126)
10K β†’ 15K
33:35 | 10:49/mi
20K
2:12:40
12.43 mi
Rank: #27008 (-55)
15K β†’ 20K
34:28 | 11:06/mi
HALF
2:19:38
13.11 mi
Rank: #26956 (+52)
20K β†’ HALF
6:58 | 10:14/mi
25K
2:46:58
15.53 mi
Rank: #26938 (+18)
HALF β†’ 25K
27:20 | 11:17/mi
30K
3:24:04
18.64 mi
Rank: #26914 (+24)
25K β†’ 30K
37:06 | 11:57/mi
20M
3:40:00
20.00 mi
Rank: #26849 (+65)
30K β†’ 20M
15:56 | 11:44/mi
21M
3:52:20
21.00 mi
Rank: #26790 (+59)
20M β†’ 21M
12:20 | 12:20/mi
35K
4:00:22
21.75 mi
Rank: #26738 (+52)
21M β†’ 35K
8:02 | 10:45/mi
23M
4:14:29
23.00 mi
Rank: #26652 (+86)
35K β†’ 23M
14:07 | 11:17/mi
24M
4:25:32
24.00 mi
Rank: #26586 (+66)
23M β†’ 24M
11:03 | 11:03/mi
40K
4:35:22
24.85 mi
Rank: #26541 (+45)
24M β†’ 40K
9:50 | 11:31/mi
25.2M
4:39:39
25.20 mi
Rank: #26520 (+21)
40K β†’ 25.2M
4:17 | 12:26/mi
FINISH
4:51:13
26.22 mi
Rank: #26548 (-28)
25.2M β†’ FINISH
11:34 | 11:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:19:38
Pace10:40 /mi
2nd Half
Distance13.11 mi
Time2:31:35
Pace11:34 /mi
πŸ“ŠPositive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:02:5832:0910:2132:09
10:21
-
10K
6.21 mi12:35:261:04:3710:2432:28
10:28
+0:07
15K
9.32 mi13:09:011:38:1210:3333:35
10:49
+0:21
20K
12.43 mi13:43:292:12:4010:4134:28
11:06
+0:17
HALF
13.11 mi13:50:272:19:3810:406:58
10:14
-0:52
25K
15.53 mi14:17:472:46:5810:4527:20
11:17
+1:03
30K
18.64 mi14:54:533:24:0410:5737:06
11:57
+0:40
20M
20.00 mi15:10:493:40:0011:0115:56
11:44
-0:13
21M
21.00 mi15:23:093:52:2011:0412:20
12:20
+0:36
35K
21.75 mi15:31:114:00:2211:048:02
10:45
-1:35
23M
23.00 mi15:45:184:14:2911:0414:07
11:17
+0:32
24M
24.00 mi15:56:214:25:3211:0411:03
11:03
-0:14
40K
24.85 mi16:06:114:35:2211:059:50
11:31
+0:28
25.2M
25.20 mi16:10:284:39:3911:064:17
12:26
+0:55
FINISH
26.22 mi16:22:024:51:1311:0711:34
11:22
-1:04

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

10:14 /mi

Average Pace

11:07 /mi

Slowest Pace

12:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:53:12

39% of race

Time at Steady Pace

1:48:22

37% of race

Time at Slower Pace

1:09:39

24% of race

Average Pace: 11:06 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi12:02:5832:0910:2132:09
10:21
#26859
10K
6.21 mi12:35:261:04:3710:2432:28
10:28
#26827
15K
9.32 mi13:09:011:38:1210:3333:35
10:49
#26953
20K
12.43 mi13:43:292:12:4010:4134:28
11:06
#27008
HALF
13.11 mi13:50:272:19:3810:406:58
10:14
#26956
25K
15.53 mi14:17:472:46:5810:4527:20
11:17
#26938
30K
18.64 mi14:54:533:24:0410:5737:06
11:57
#26914
20M
20.00 mi15:10:493:40:0011:0115:56
11:44
#26849
21M
21.00 mi15:23:093:52:2011:0412:20
12:20
#26790
35K
21.75 mi15:31:114:00:2211:048:02
10:45
#26738
23M
23.00 mi15:45:184:14:2911:0414:07
11:17
#26652
24M
24.00 mi15:56:214:25:3211:0411:03
11:03
#26586
40K
24.85 mi16:06:114:35:2211:059:50
11:31
#26541
25.2M
25.20 mi16:10:284:39:3911:064:17
12:26
#26520
FINISH
26.22 mi16:22:024:51:1311:0711:34
11:22
#26548
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi26859155661556627179(Top 94%)15669(Top 96%)15669(Top 1035%)
10K6.21 mi3.10 mi26827+3215534+3215534+3226816(Top 92%)15520(Top 95%)15520(Top 1025%)
15K9.32 mi3.11 mi26953-12615592-5815592-5827179(Top 94%)15669(Top 96%)15669(Top 1035%)
20K12.43 mi3.11 mi27008-5515614-2215614-2227071(Top 93%)15620(Top 96%)15620(Top 1032%)
HALF13.11 mi0.68 mi26956+5215590+2415590+2426117(Top 90%)15195(Top 93%)15195(Top 1004%)
25K15.53 mi2.42 mi26938+1815564+2615564+2626725(Top 92%)15415(Top 94%)15415(Top 1018%)
30K18.64 mi3.11 mi26914+2415525+3915525+3926708(Top 92%)15312(Top 94%)15312(Top 1011%)
20M20.00 mi1.36 mi26849+6515491+3415491+3426035(Top 90%)14941(Top 91%)14941(Top 987%)
21M21.00 mi1.00 mi26790+5915462+2915462+2925549(Top 88%)14662(Top 90%)14662(Top 968%)
35K21.75 mi0.75 mi26738+5215433+2915433+2924766(Top 85%)14285(Top 87%)14285(Top 944%)
23M23.00 mi1.25 mi26652+8615383+5015383+5025049(Top 86%)14369(Top 88%)14369(Top 949%)
24M24.00 mi1.00 mi26586+6615338+4515338+4525205(Top 87%)14420(Top 88%)14420(Top 952%)
40K24.85 mi0.85 mi26541+4515312+2615312+2625105(Top 87%)14336(Top 88%)14336(Top 947%)
25.2M25.20 mi0.35 mi26520+2115299+1315299+1325207(Top 87%)14393(Top 88%)14393(Top 951%)
FINISH26.22 mi1.02 mi26548-2815294+515294+526682(Top 92%)15098(Top 92%)15098(Top 997%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
Γ—21
+97ft-345ft

Overall

27179

Males

15669

M60-64

15669

5K→10K

3.1 - 6.2 mi

Top 92%
Γ—5
+79ft-138ft

Overall

26816

Males

15520

M60-64

15520

10K→15K

6.2 - 9.3 mi

Top 94%
Γ—3
+67ft-78ft

Overall

27179

Males

15669

M60-64

15669

15K→20K

9.3 - 12.4 mi

Top 93%
Γ—5
+106ft-86ft

Overall

27071

Males

15620

M60-64

15620

20K→HALF

12.4 - 13.1 mi

Top 90%
Γ—2
+19ft-37ft

Overall

26117

Males

15195

M60-64

15195

HALF→25K

13.1 - 15.5 mi

Top 92%
Γ—4
+66ft-88ft

Overall

26725

Males

15415

M60-64

15415

25K→30K

15.5 - 18.6 mi

Top 92%
Γ—9
+181ft-148ft

Overall

26708

Males

15312

M60-64

15312

30K→20M

18.6 - 20.0 mi

Top 90%
Γ—5
+64ft-50ft

Overall

26035

Males

14941

M60-64

14941

20M→21M

20.0 - 21.0 mi

Top 88%
Γ—8
+106ft-24ft

Overall

25549

Males

14662

M60-64

14662

21M→35K

21.0 - 21.8 mi

Top 85%
Γ—7
+17ft-86ft

Overall

24766

Males

14285

M60-64

14285

35K→23M

21.8 - 23.0 mi

Top 86%
Γ—5
+23ft-63ft

Overall

25049

Males

14369

M60-64

14369

23M→24M

23.0 - 24.0 mi

Top 87%
Γ—6
+12ft-82ft

Overall

25205

Males

14420

M60-64

14420

24M→40K

24.0 - 24.9 mi

Top 87%
Γ—1
+6ft-20ft

Overall

25105

Males

14336

M60-64

14336

40K→25.2M

24.9 - 25.2 mi

Top 87%
Γ—1
+13ft-16ft

Overall

25207

Males

14393

M60-64

14393

25.2M→FINISH

25.2 - 26.2 mi

Top 92%
Γ—2
+22ft-21ft

Overall

26682

Males

15098

M60-64

15098

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1101
Passed By
790
Net Change
+311
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#26859
5K β†’ 10K196164+32#26859#26827
10K β†’ 15K74200-126#26827#26953
15K β†’ 20K90145-55#26953#27008
20K β†’ HALF531+52#27008#26956
HALF β†’ 25K8668+18#26956#26938
25K β†’ 30K12096+24#26938#26914
30K β†’ 20M8116+65#26914#26849
20M β†’ 21M667+59#26849#26790
21M β†’ 35K608+52#26790#26738
35K β†’ 23M9812+86#26738#26652
23M β†’ 24M759+66#26652#26586
24M β†’ 40K5510+45#26586#26541
40K β†’ 25.2M287+21#26541#26520
25.2M β†’ FINISH1947-28#26520#26548
TOTALS1101790+311
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing