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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Dariusz Kasperek

Bib: 19147 •M •Age: N/A

IL

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M55-59)
#0 / 1491
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
24:26
3.11 mi
Rank: #15955
Start → 5K
24:26 | 7:52/mi
10K
48:47
6.21 mi
Rank: #15905 (+50)
5K → 10K
24:21 | 7:51/mi
15K
1:13:18
9.32 mi
Rank: #15962 (-57)
10K → 15K
24:31 | 7:54/mi
20K
1:38:20
12.43 mi
Rank: #16107 (-145)
15K → 20K
25:02 | 8:04/mi
HALF
1:43:39
13.11 mi
Rank: #16078 (+29)
20K → HALF
5:19 | 7:48/mi
25K
2:03:24
15.53 mi
Rank: #16151 (-73)
HALF → 25K
19:45 | 8:09/mi
30K
2:29:57
18.64 mi
Rank: #16302 (-151)
25K → 30K
26:33 | 8:33/mi
20M
2:41:37
20.00 mi
Rank: #16330 (-28)
30K → 20M
11:40 | 8:36/mi
21M
2:50:44
21.00 mi
Rank: #16314 (+16)
20M → 21M
9:07 | 9:07/mi
35K
2:56:33
21.75 mi
Rank: #16176 (+138)
21M → 35K
5:49 | 7:47/mi
23M
3:06:31
23.00 mi
Rank: #15919 (+257)
35K → 23M
9:58 | 7:58/mi
24M
3:14:58
24.00 mi
Rank: #15951 (-32)
23M → 24M
8:27 | 8:27/mi
40K
3:22:10
24.85 mi
Rank: #15906 (+45)
24M → 40K
7:12 | 8:26/mi
25.2M
3:25:18
25.20 mi
Rank: #15887 (+19)
40K → 25.2M
3:08 | 9:06/mi
FINISH
3:33:38
26.22 mi
Rank: #15880 (+7)
25.2M → FINISH
8:20 | 8:11/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:39
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:49:59
Pace8:24 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:1024:267:5224:26
7:52
-
10K
6.21 mi11:31:3148:477:5224:21
7:51
-0:01
15K
9.32 mi11:56:021:13:187:5224:31
7:54
+0:03
20K
12.43 mi12:21:041:38:207:5525:02
8:04
+0:10
HALF
13.11 mi12:26:231:43:397:555:19
7:48
-0:16
25K
15.53 mi12:46:082:03:247:5719:45
8:09
+0:21
30K
18.64 mi13:12:412:29:578:0326:33
8:33
+0:24
20M
20.00 mi13:24:212:41:378:0511:40
8:36
+0:03
21M
21.00 mi13:33:282:50:448:089:07
9:07
+0:31
35K
21.75 mi13:39:172:56:338:085:49
7:47
-1:20
23M
23.00 mi13:49:153:06:318:079:58
7:58
+0:11
24M
24.00 mi13:57:423:14:588:088:27
8:27
+0:29
40K
24.85 mi14:04:543:22:108:097:12
8:26
-0:01
25.2M
25.20 mi14:08:023:25:188:093:08
9:06
+0:40
FINISH
26.22 mi14:16:223:33:388:108:20
8:11
-0:55

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

7:47 /mi

Average Pace

8:09 /mi

Slowest Pace

9:07 /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

3:09:43

89% of race

Time at Steady Pace

23:55

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi11:07:1024:267:5224:26
7:52
#15955
10K
6.21 mi11:31:3148:477:5224:21
7:51
#15905
15K
9.32 mi11:56:021:13:187:5224:31
7:54
#15962
20K
12.43 mi12:21:041:38:207:5525:02
8:04
#16107
HALF
13.11 mi12:26:231:43:397:555:19
7:48
#16078
25K
15.53 mi12:46:082:03:247:5719:45
8:09
#16151
30K
18.64 mi13:12:412:29:578:0326:33
8:33
#16302
20M
20.00 mi13:24:212:41:378:0511:40
8:36
#16330
21M
21.00 mi13:33:282:50:448:089:07
9:07
#16314
35K
21.75 mi13:39:172:56:338:085:49
7:47
#16176
23M
23.00 mi13:49:153:06:318:079:58
7:58
#15919
24M
24.00 mi13:57:423:14:588:088:27
8:27
#15951
40K
24.85 mi14:04:543:22:108:097:12
8:26
#15906
25.2M
25.20 mi14:08:023:25:188:093:08
9:06
#15887
FINISH
26.22 mi14:16:223:33:388:108:20
8:11
#15880
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15955106071060716105(Top 55%)10636(Top 65%)10636(Top 713%)
10K6.21 mi3.10 mi15905+5010574+3310574+3315944(Top 55%)10601(Top 65%)10601(Top 711%)
15K9.32 mi3.11 mi15962-5710586-1210586-1216105(Top 55%)10636(Top 65%)10636(Top 713%)
20K12.43 mi3.11 mi16107-14510625-3910625-3916536(Top 57%)10797(Top 66%)10797(Top 724%)
HALF13.11 mi0.68 mi16078+2910604+2110604+2115505(Top 53%)10408(Top 64%)10408(Top 698%)
25K15.53 mi2.42 mi16151-7310629-2510629-2516413(Top 57%)10685(Top 65%)10685(Top 717%)
30K18.64 mi3.11 mi16302-15110648-1910648-1917165(Top 59%)10906(Top 67%)10906(Top 731%)
20M20.00 mi1.36 mi16330-2810652-410652-416690(Top 58%)10593(Top 65%)10593(Top 710%)
21M21.00 mi1.00 mi16314+1610627+2510627+2516712(Top 58%)10567(Top 65%)10567(Top 709%)
35K21.75 mi0.75 mi16176+13810546+8110546+8112865(Top 44%)8834(Top 54%)8834(Top 592%)
23M23.00 mi1.25 mi15919+25710413+13310413+13312209(Top 42%)8463(Top 52%)8463(Top 568%)
24M24.00 mi1.00 mi15951-3210415-210415-216572(Top 57%)10290(Top 63%)10290(Top 690%)
40K24.85 mi0.85 mi15906+4510376+3910376+3915170(Top 52%)9589(Top 59%)9589(Top 643%)
25.2M25.20 mi0.35 mi15887+1910362+1410362+1415154(Top 52%)9569(Top 59%)9569(Top 642%)
FINISH26.22 mi1.02 mi15880+710343+1910343+1916274(Top 56%)10116(Top 62%)10116(Top 678%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

16105

Males

10636

M55-59

10636

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

15944

Males

10601

M55-59

10601

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

16105

Males

10636

M55-59

10636

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16536

Males

10797

M55-59

10797

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15505

Males

10408

M55-59

10408

HALF→25K

13.1 - 15.5 mi

Top 57%
×4
+66ft-88ft

Overall

16413

Males

10685

M55-59

10685

25K→30K

15.5 - 18.6 mi

Top 59%
×9
+181ft-148ft

Overall

17165

Males

10906

M55-59

10906

30K→20M

18.6 - 20.0 mi

Top 58%
×5
+64ft-50ft

Overall

16690

Males

10593

M55-59

10593

20M→21M

20.0 - 21.0 mi

Top 58%
×8
+106ft-24ft

Overall

16712

Males

10567

M55-59

10567

21M→35K

21.0 - 21.8 mi

Top 44%
×7
+17ft-86ft

Overall

12865

Males

8834

M55-59

8834

35K→23M

21.8 - 23.0 mi

Top 42%
×5
+23ft-63ft

Overall

12209

Males

8463

M55-59

8463

23M→24M

23.0 - 24.0 mi

Top 57%
×6
+12ft-82ft

Overall

16572

Males

10290

M55-59

10290

24M→40K

24.0 - 24.9 mi

Top 52%
×1
+6ft-20ft

Overall

15170

Males

9589

M55-59

9589

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1
+13ft-16ft

Overall

15154

Males

9569

M55-59

9569

25.2M→FINISH

25.2 - 26.2 mi

Top 56%
×2
+22ft-21ft

Overall

16274

Males

10116

M55-59

10116

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1716*
Passed By
1428
Net Change
+75
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15955
5K → 10K250*200+50#15955#15905
10K → 15K182200-57#15905#15962
15K → 20K127200-145#15962#16107
20K → HALF5324+29#16107#16078
HALF → 25K132200-73#16078#16151
25K → 30K146200-151#16151#16302
30K → 20M79107-28#16302#16330
20M → 21M10387+16#16330#16314
21M → 35K1479+138#16314#16176
35K → 23M262*5+257#16176#15919
23M → 24M5082-32#15919#15951
24M → 40K8338+45#15951#15906
40K → 25.2M4122+19#15906#15887
25.2M → FINISH6154+7#15887#15880
TOTALS1716*1428+75

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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