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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Zbigniew Siwek

Bib: 6401 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 18%
Gender (Male)
#0 / 16340
Top 29%
Masters (Masters Men)
#0 / 10617
Top 15%
Age Group (M45-49)
#0 / 2413
Top 19%
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
20:13
3.11 mi
Rank: #4245
Start → 5K
20:13 | 6:31/mi
10K
40:29
6.21 mi
Rank: #4312 (-67)
5K → 10K
20:16 | 6:32/mi
15K
1:00:43
9.32 mi
Rank: #4280 (+32)
10K → 15K
20:14 | 6:31/mi
20K
1:21:11
12.43 mi
Rank: #4286 (-6)
15K → 20K
20:28 | 6:36/mi
HALF
1:25:36
13.11 mi
Rank: #4283 (+3)
20K → HALF
4:25 | 6:29/mi
25K
1:41:45
15.53 mi
Rank: #4301 (-18)
HALF → 25K
16:09 | 6:40/mi
30K
2:03:20
18.64 mi
Rank: #4431 (-130)
25K → 30K
21:35 | 6:57/mi
20M
2:12:59
20.00 mi
Rank: #4533 (-102)
30K → 20M
9:39 | 7:07/mi
21M
2:20:32
21.00 mi
Rank: #4631 (-98)
20M → 21M
7:33 | 7:33/mi
35K
2:25:46
21.75 mi
Rank: #4705 (-74)
21M → 35K
5:14 | 7:00/mi
23M
2:35:00
23.00 mi
Rank: #4909 (-204)
35K → 23M
9:14 | 7:23/mi
24M
2:42:00
24.00 mi
Rank: #4935 (-26)
23M → 24M
7:00 | 7:00/mi
40K
2:48:25
24.85 mi
Rank: #5077 (-142)
24M → 40K
6:25 | 7:31/mi
25.2M
2:51:05
25.20 mi
Rank: #5085 (-8)
40K → 25.2M
2:40 | 7:44/mi
FINISH
2:58:29
26.22 mi
Rank: #5291 (-206)
25.2M → FINISH
7:24 | 7:16/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:25:36
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:32:53
Pace7:06 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4820:136:3120:13
6:31
-
10K
6.21 mi10:45:0440:296:3120:16
6:32
+0:01
15K
9.32 mi11:05:181:00:436:3120:14
6:31
-0:01
20K
12.43 mi11:25:461:21:116:3220:28
6:36
+0:05
HALF
13.11 mi11:30:111:25:366:324:25
6:29
-0:07
25K
15.53 mi11:46:201:41:456:3416:09
6:40
+0:11
30K
18.64 mi12:07:552:03:206:3721:35
6:57
+0:17
20M
20.00 mi12:17:342:12:596:399:39
7:07
+0:10
21M
21.00 mi12:25:072:20:326:427:33
7:33
+0:26
35K
21.75 mi12:30:212:25:466:435:14
7:00
-0:33
23M
23.00 mi12:39:352:35:006:459:14
7:23
+0:23
24M
24.00 mi12:46:352:42:006:467:00
7:00
-0:23
40K
24.85 mi12:53:002:48:256:476:25
7:31
+0:31
25.2M
25.20 mi12:55:402:51:056:482:40
7:44
+0:13
FINISH
26.22 mi13:03:042:58:296:497:24
7:16
-0:28

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

6:29 /mi

Average Pace

6:49 /mi

Slowest Pace

7:44 /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

2:25:13

81% of race

Time at Steady Pace

30:36

17% of race

Time at Slower Pace

2:40

1% of race

Average Pace: 6:48 /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 mi10:24:4820:136:3120:13
6:31
#4245
10K
6.21 mi10:45:0440:296:3120:16
6:32
#4312
15K
9.32 mi11:05:181:00:436:3120:14
6:31
#4280
20K
12.43 mi11:25:461:21:116:3220:28
6:36
#4286
HALF
13.11 mi11:30:111:25:366:324:25
6:29
#4283
25K
15.53 mi11:46:201:41:456:3416:09
6:40
#4301
30K
18.64 mi12:07:552:03:206:3721:35
6:57
#4431
20M
20.00 mi12:17:342:12:596:399:39
7:07
#4533
21M
21.00 mi12:25:072:20:326:427:33
7:33
#4631
35K
21.75 mi12:30:212:25:466:435:14
7:00
#4705
23M
23.00 mi12:39:352:35:006:459:14
7:23
#4909
24M
24.00 mi12:46:352:42:006:467:00
7:00
#4935
40K
24.85 mi12:53:002:48:256:476:25
7:31
#5077
25.2M
25.20 mi12:55:402:51:056:482:40
7:44
#5085
FINISH
26.22 mi13:03:042:58:296:497:24
7:16
#5291
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4245402040204323(Top 15%)4083(Top 25%)4083(Top 169%)
10K6.21 mi3.10 mi4312-674082-624082-624436(Top 15%)4189(Top 26%)4189(Top 174%)
15K9.32 mi3.11 mi4280+324051+314051+314323(Top 15%)4083(Top 25%)4083(Top 169%)
20K12.43 mi3.11 mi4286-64058-74058-74360(Top 15%)4102(Top 25%)4102(Top 170%)
HALF13.11 mi0.68 mi4283+34054+44054+44293(Top 15%)4060(Top 25%)4060(Top 168%)
25K15.53 mi2.42 mi4301-184057-34057-34564(Top 16%)4247(Top 26%)4247(Top 176%)
30K18.64 mi3.11 mi4431-1304169-1124169-1125497(Top 19%)4916(Top 30%)4916(Top 204%)
20M20.00 mi1.36 mi4533-1024245-764245-766245(Top 22%)5399(Top 33%)5399(Top 224%)
21M21.00 mi1.00 mi4631-984319-744319-746774(Top 23%)5617(Top 34%)5617(Top 233%)
35K21.75 mi0.75 mi4705-744369-504369-506980(Top 24%)5782(Top 35%)5782(Top 240%)
23M23.00 mi1.25 mi4909-2044532-1634532-1637944(Top 27%)6303(Top 39%)6303(Top 261%)
24M24.00 mi1.00 mi4935-264539-74539-76448(Top 22%)5329(Top 33%)5329(Top 221%)
40K24.85 mi0.85 mi5077-1424637-984637-988838(Top 30%)6605(Top 40%)6605(Top 274%)
25.2M25.20 mi0.35 mi5085-84634+34634+36546(Top 23%)5260(Top 32%)5260(Top 218%)
FINISH26.22 mi1.02 mi5291-2064792-1584792-1589532(Top 33%)6864(Top 42%)6864(Top 284%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21
+97ft-345ft

Overall

4323

Males

4083

M45-49

4083

5K→10K

3.1 - 6.2 mi

Top 15%
×5
+79ft-138ft

Overall

4436

Males

4189

M45-49

4189

10K→15K

6.2 - 9.3 mi

Top 15%
×3
+67ft-78ft

Overall

4323

Males

4083

M45-49

4083

15K→20K

9.3 - 12.4 mi

Top 15%
×5
+106ft-86ft

Overall

4360

Males

4102

M45-49

4102

20K→HALF

12.4 - 13.1 mi

Top 15%
×2
+19ft-37ft

Overall

4293

Males

4060

M45-49

4060

HALF→25K

13.1 - 15.5 mi

Top 16%
×4
+66ft-88ft

Overall

4564

Males

4247

M45-49

4247

25K→30K

15.5 - 18.6 mi

Top 19%
×9
+181ft-148ft

Overall

5497

Males

4916

M45-49

4916

30K→20M

18.6 - 20.0 mi

Top 22%
×5
+64ft-50ft

Overall

6245

Males

5399

M45-49

5399

20M→21M

20.0 - 21.0 mi

Top 23%
×8
+106ft-24ft

Overall

6774

Males

5617

M45-49

5617

21M→35K

21.0 - 21.8 mi

Top 24%
×7
+17ft-86ft

Overall

6980

Males

5782

M45-49

5782

35K→23M

21.8 - 23.0 mi

Top 27%
×5
+23ft-63ft

Overall

7944

Males

6303

M45-49

6303

23M→24M

23.0 - 24.0 mi

Top 22%
×6
+12ft-82ft

Overall

6448

Males

5329

M45-49

5329

24M→40K

24.0 - 24.9 mi

Top 30%
×1
+6ft-20ft

Overall

8838

Males

6605

M45-49

6605

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1
+13ft-16ft

Overall

6546

Males

5260

M45-49

5260

25.2M→FINISH

25.2 - 26.2 mi

Top 33%
×2
+22ft-21ft

Overall

9532

Males

6864

M45-49

6864

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
737
Passed By
1720
Net Change
-1046
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4245
5K → 10K119186-67#4245#4312
10K → 15K133101+32#4312#4280
15K → 20K8086-6#4280#4286
20K → HALF1815+3#4286#4283
HALF → 25K6785-18#4283#4301
25K → 30K74200-130#4301#4431
30K → 20M34136-102#4431#4533
20M → 21M40138-98#4533#4631
21M → 35K1387-74#4631#4705
35K → 23M32200-204#4705#4909
23M → 24M5278-26#4909#4935
24M → 40K31173-142#4935#5077
40K → 25.2M2735-8#5077#5085
25.2M → FINISH17200-206#5085#5291
TOTALS7371720-1046
📊

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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