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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Marc Vander Kooi

Bib: 19445 •M •Age: N/A

MI

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
25:57
3.11 mi
Rank: #19198
Start → 5K
25:57 | 8:22/mi
10K
54:00
6.21 mi
Rank: #21257 (-2059)
5K → 10K
28:03 | 9:02/mi
15K
1:19:46
9.32 mi
Rank: #20472 (+785)
10K → 15K
25:46 | 8:18/mi
20K
1:47:52
12.43 mi
Rank: #20939 (-467)
15K → 20K
28:06 | 9:03/mi
HALF
1:53:43
13.11 mi
Rank: #20926 (+13)
20K → HALF
5:51 | 8:35/mi
25K
2:15:42
15.53 mi
Rank: #21006 (-80)
HALF → 25K
21:59 | 9:04/mi
30K
2:41:51
18.64 mi
Rank: #20216 (+790)
25K → 30K
26:09 | 8:26/mi
20M
2:53:28
20.00 mi
Rank: #19969 (+247)
30K → 20M
11:37 | 8:34/mi
21M
3:02:55
21.00 mi
Rank: #19873 (+96)
20M → 21M
9:27 | 9:27/mi
35K
3:09:07
21.75 mi
Rank: #19746 (+127)
21M → 35K
6:12 | 8:18/mi
23M
3:20:25
23.00 mi
Rank: #19686 (+60)
35K → 23M
11:18 | 9:02/mi
24M
3:28:30
24.00 mi
Rank: #19468 (+218)
23M → 24M
8:05 | 8:05/mi
40K
3:35:33
24.85 mi
Rank: #19267 (+201)
24M → 40K
7:03 | 8:15/mi
25.2M
3:39:05
25.20 mi
Rank: #19313 (-46)
40K → 25.2M
3:32 | 10:15/mi
FINISH
3:47:13
26.22 mi
Rank: #19130 (+183)
25.2M → FINISH
8:08 | 7:59/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:53:43
Pace8:41 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:53:30
Pace8:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:0825:578:2225:57
8:22
-
10K
6.21 mi11:38:1154:008:4228:03
9:02
+0:40
15K
9.32 mi12:03:571:19:468:3425:46
8:18
-0:44
20K
12.43 mi12:32:031:47:528:4128:06
9:03
+0:45
HALF
13.11 mi12:37:541:53:438:415:51
8:35
-0:28
25K
15.53 mi12:59:532:15:428:4521:59
9:04
+0:29
30K
18.64 mi13:26:022:41:518:4126:09
8:26
-0:38
20M
20.00 mi13:37:392:53:288:4111:37
8:34
+0:08
21M
21.00 mi13:47:063:02:558:439:27
9:27
+0:53
35K
21.75 mi13:53:183:09:078:426:12
8:18
-1:09
23M
23.00 mi14:04:363:20:258:4311:18
9:02
+0:44
24M
24.00 mi14:12:413:28:308:428:05
8:05
-0:57
40K
24.85 mi14:19:443:35:338:417:03
8:15
+0:10
25.2M
25.20 mi14:23:163:39:058:423:32
10:15
+2:00
FINISH
26.22 mi14:31:243:47:138:418:08
7:59
-2:16

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

7:59 /mi

Average Pace

8:40 /mi

Slowest Pace

10:15 /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

23:16

10% of race

Time at Steady Pace

1:41:32

45% of race

Time at Slower Pace

1:42:25

45% of race

Average Pace: 8:40 /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 mi11:10:0825:578:2225:57
8:22
#19198
10K
6.21 mi11:38:1154:008:4228:03
9:02
#21257
15K
9.32 mi12:03:571:19:468:3425:46
8:18
#20472
20K
12.43 mi12:32:031:47:528:4128:06
9:03
#20939
HALF
13.11 mi12:37:541:53:438:415:51
8:35
#20926
25K
15.53 mi12:59:532:15:428:4521:59
9:04
#21006
30K
18.64 mi13:26:022:41:518:4126:09
8:26
#20216
20M
20.00 mi13:37:392:53:288:4111:37
8:34
#19969
21M
21.00 mi13:47:063:02:558:439:27
9:27
#19873
35K
21.75 mi13:53:183:09:078:426:12
8:18
#19746
23M
23.00 mi14:04:363:20:258:4311:18
9:02
#19686
24M
24.00 mi14:12:413:28:308:428:05
8:05
#19468
40K
24.85 mi14:19:443:35:338:417:03
8:15
#19267
25.2M
25.20 mi14:23:163:39:058:423:32
10:15
#19313
FINISH
26.22 mi14:31:243:47:138:418:08
7:59
#19130
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 mi19198119211192118938(Top 65%)11853(Top 73%)11853(Top 795%)
10K6.21 mi3.10 mi21257-205912876-95512876-95522949(Top 79%)13728(Top 84%)13728(Top 921%)
15K9.32 mi3.11 mi20472+78512531+34512531+34518938(Top 65%)11853(Top 73%)11853(Top 795%)
20K12.43 mi3.11 mi20939-46712734-20312734-20322114(Top 76%)13300(Top 81%)13300(Top 892%)
HALF13.11 mi0.68 mi20926+1312721+1312721+1320673(Top 71%)12621(Top 77%)12621(Top 846%)
25K15.53 mi2.42 mi21006-8012748-2712748-2721446(Top 74%)12972(Top 79%)12972(Top 870%)
30K18.64 mi3.11 mi20216+79012367+38112367+38116360(Top 56%)10573(Top 65%)10573(Top 709%)
20M20.00 mi1.36 mi19969+24712233+13412233+13416510(Top 57%)10538(Top 64%)10538(Top 707%)
21M21.00 mi1.00 mi19873+9612171+6212171+6218285(Top 63%)11276(Top 69%)11276(Top 756%)
35K21.75 mi0.75 mi19746+12712103+6812103+6816343(Top 56%)10351(Top 63%)10351(Top 694%)
23M23.00 mi1.25 mi19686+6012043+6012043+6018615(Top 64%)11268(Top 69%)11268(Top 756%)
24M24.00 mi1.00 mi19468+21811934+10911934+10914309(Top 49%)9303(Top 57%)9303(Top 624%)
40K24.85 mi0.85 mi19267+20111832+10211832+10214074(Top 48%)9119(Top 56%)9119(Top 612%)
25.2M25.20 mi0.35 mi19313-4611847-1511847-1520220(Top 70%)11965(Top 73%)11965(Top 802%)
FINISH26.22 mi1.02 mi19130+18311749+9811749+9815050(Top 52%)9542(Top 58%)9542(Top 640%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21
+97ft-345ft

Overall

18938

Males

11853

M55-59

11853

5K→10K

3.1 - 6.2 mi

Top 79%
×5
+79ft-138ft

Overall

22949

Males

13728

M55-59

13728

10K→15K

6.2 - 9.3 mi

Top 65%
×3
+67ft-78ft

Overall

18938

Males

11853

M55-59

11853

15K→20K

9.3 - 12.4 mi

Top 76%
×5
+106ft-86ft

Overall

22114

Males

13300

M55-59

13300

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20673

Males

12621

M55-59

12621

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21446

Males

12972

M55-59

12972

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16360

Males

10573

M55-59

10573

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16510

Males

10538

M55-59

10538

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18285

Males

11276

M55-59

11276

21M→35K

21.0 - 21.8 mi

Top 56%
×7
+17ft-86ft

Overall

16343

Males

10351

M55-59

10351

35K→23M

21.8 - 23.0 mi

Top 64%
×5
+23ft-63ft

Overall

18615

Males

11268

M55-59

11268

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14309

Males

9303

M55-59

9303

24M→40K

24.0 - 24.9 mi

Top 48%
×1
+6ft-20ft

Overall

14074

Males

9119

M55-59

9119

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1
+13ft-16ft

Overall

20220

Males

11965

M55-59

11965

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
×2
+22ft-21ft

Overall

15050

Males

9542

M55-59

9542

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3063*
Passed By
786
Net Change
+68
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19198
5K → 10K13200-2059#19198#21257
10K → 15K805*20+785#21257#20472
15K → 20K70200-467#20472#20939
20K → HALF3623+13#20939#20926
HALF → 25K94174-80#20926#21006
25K → 30K795*5+790#21006#20216
30K → 20M252*5+247#20216#19969
20M → 21M13236+96#19969#19873
21M → 35K1325+127#19873#19746
35K → 23M10747+60#19746#19686
23M → 24M220*2+218#19686#19468
24M → 40K205*4+201#19468#19267
40K → 25.2M1460-46#19267#19313
25.2M → FINISH1885+183#19313#19130
TOTALS3063*786+68

* 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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