Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Harry Komuro

Bib: 21684 β€’M β€’Age: N/A

HI

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 49%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
Top 15%
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
23:30
3.11 mi
Rank: #13301
Start β†’ 5K
23:30 | 7:34/mi
10K
46:47
6.21 mi
Rank: #13085 (+216)
5K β†’ 10K
23:17 | 7:30/mi
15K
1:11:22
9.32 mi
Rank: #14153 (-1068)
10K β†’ 15K
24:35 | 7:55/mi
20K
1:34:51
12.43 mi
Rank: #13698 (+455)
15K β†’ 20K
23:29 | 7:34/mi
HALF
1:39:52
13.11 mi
Rank: #13598 (+100)
20K β†’ HALF
5:01 | 7:22/mi
25K
1:58:26
15.53 mi
Rank: #13433 (+165)
HALF β†’ 25K
18:34 | 7:40/mi
30K
2:23:02
18.64 mi
Rank: #13321 (+112)
25K β†’ 30K
24:36 | 7:56/mi
20M
2:34:11
20.00 mi
Rank: #13356 (-35)
30K β†’ 20M
11:09 | 8:13/mi
21M
2:42:56
21.00 mi
Rank: #13419 (-63)
20M β†’ 21M
8:45 | 8:45/mi
35K
2:49:01
21.75 mi
Rank: #13458 (-39)
21M β†’ 35K
6:05 | 8:08/mi
23M
2:59:41
23.00 mi
Rank: #13611 (-153)
35K β†’ 23M
10:40 | 8:32/mi
24M
3:08:11
24.00 mi
Rank: #13789 (-178)
23M β†’ 24M
8:30 | 8:30/mi
40K
3:15:38
24.85 mi
Rank: #13910 (-121)
24M β†’ 40K
7:27 | 8:43/mi
25.2M
3:18:49
25.20 mi
Rank: #13953 (-43)
40K β†’ 25.2M
3:11 | 9:14/mi
FINISH
3:27:31
26.22 mi
Rank: #14166 (-213)
25.2M β†’ FINISH
8:42 | 8:33/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:52
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:47:39
Pace8:13 /mi
πŸ“ŠPositive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4223:307:3423:30
7:34
-
10K
6.21 mi11:47:5946:477:3223:17
7:30
-0:04
15K
9.32 mi12:12:341:11:227:4024:35
7:55
+0:25
20K
12.43 mi12:36:031:34:517:3823:29
7:34
-0:21
HALF
13.11 mi12:41:041:39:527:385:01
7:22
-0:12
25K
15.53 mi12:59:381:58:267:3818:34
7:40
+0:18
30K
18.64 mi13:24:142:23:027:4124:36
7:56
+0:16
20M
20.00 mi13:35:232:34:117:4311:09
8:13
+0:17
21M
21.00 mi13:44:082:42:567:468:45
8:45
+0:32
35K
21.75 mi13:50:132:49:017:476:05
8:08
-0:37
23M
23.00 mi14:00:532:59:417:4910:40
8:32
+0:24
24M
24.00 mi14:09:233:08:117:518:30
8:30
-0:02
40K
24.85 mi14:16:503:15:387:537:27
8:43
+0:13
25.2M
25.20 mi14:20:013:18:497:543:11
9:14
+0:31
FINISH
26.22 mi14:28:433:27:317:568:42
8:33
-0:41

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

7:22 /mi

Average Pace

7:55 /mi

Slowest Pace

9:14 /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

1:33:51

45% of race

Time at Steady Pace

1:06:25

32% of race

Time at Slower Pace

47:15

23% of race

Average Pace: 7:55 /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 mi11:24:4223:307:3423:30
7:34
#13301
10K
6.21 mi11:47:5946:477:3223:17
7:30
#13085
15K
9.32 mi12:12:341:11:227:4024:35
7:55
#14153
20K
12.43 mi12:36:031:34:517:3823:29
7:34
#13698
HALF
13.11 mi12:41:041:39:527:385:01
7:22
#13598
25K
15.53 mi12:59:381:58:267:3818:34
7:40
#13433
30K
18.64 mi13:24:142:23:027:4124:36
7:56
#13321
20M
20.00 mi13:35:232:34:117:4311:09
8:13
#13356
21M
21.00 mi13:44:082:42:567:468:45
8:45
#13419
35K
21.75 mi13:50:132:49:017:476:05
8:08
#13458
23M
23.00 mi14:00:532:59:417:4910:40
8:32
#13611
24M
24.00 mi14:09:233:08:117:518:30
8:30
#13789
40K
24.85 mi14:16:503:15:387:537:27
8:43
#13910
25.2M
25.20 mi14:20:013:18:497:543:11
9:14
#13953
FINISH
26.22 mi14:28:433:27:317:568:42
8:33
#14166
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 mi133019585958516298(Top 56%)10721(Top 66%)10721(Top 708%)
10K6.21 mi3.10 mi13085+2169465+1209465+12012884(Top 44%)9356(Top 57%)9356(Top 618%)
15K9.32 mi3.11 mi14153-10689879-4149879-41416298(Top 56%)10721(Top 66%)10721(Top 708%)
20K12.43 mi3.11 mi13698+4559677+2029677+20212475(Top 43%)9063(Top 55%)9063(Top 599%)
HALF13.11 mi0.68 mi13598+1009634+439634+4311702(Top 40%)8822(Top 54%)8822(Top 583%)
25K15.53 mi2.42 mi13433+1659538+969538+9612678(Top 44%)9102(Top 56%)9102(Top 601%)
30K18.64 mi3.11 mi13321+1129442+969442+9612881(Top 44%)9052(Top 55%)9052(Top 598%)
20M20.00 mi1.36 mi13356-359436+69436+614303(Top 49%)9598(Top 59%)9598(Top 634%)
21M21.00 mi1.00 mi13419-639437-19437-114656(Top 51%)9665(Top 59%)9665(Top 638%)
35K21.75 mi0.75 mi13458-399444-79444-715316(Top 53%)9897(Top 61%)9897(Top 654%)
23M23.00 mi1.25 mi13611-1539475-319475-3115831(Top 55%)10033(Top 61%)10033(Top 663%)
24M24.00 mi1.00 mi13789-1789538-639538-6316879(Top 58%)10414(Top 64%)10414(Top 688%)
40K24.85 mi0.85 mi13910-1219560-229560-2216888(Top 58%)10363(Top 63%)10363(Top 684%)
25.2M25.20 mi0.35 mi13953-439565-59565-515885(Top 55%)9913(Top 61%)9913(Top 655%)
FINISH26.22 mi1.02 mi14166-2139637-729637-7218326(Top 63%)11038(Top 68%)11038(Top 729%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
Γ—21
+97ft-345ft

Overall

16298

Males

10721

M60-64

10721

5K→10K

3.1 - 6.2 mi

Top 44%
Γ—5
+79ft-138ft

Overall

12884

Males

9356

M60-64

9356

10K→15K

6.2 - 9.3 mi

Top 56%
Γ—3
+67ft-78ft

Overall

16298

Males

10721

M60-64

10721

15K→20K

9.3 - 12.4 mi

Top 43%
Γ—5
+106ft-86ft

Overall

12475

Males

9063

M60-64

9063

20K→HALF

12.4 - 13.1 mi

Top 40%
Γ—2
+19ft-37ft

Overall

11702

Males

8822

M60-64

8822

HALF→25K

13.1 - 15.5 mi

Top 44%
Γ—4
+66ft-88ft

Overall

12678

Males

9102

M60-64

9102

25K→30K

15.5 - 18.6 mi

Top 44%
Γ—9
+181ft-148ft

Overall

12881

Males

9052

M60-64

9052

30K→20M

18.6 - 20.0 mi

Top 49%
Γ—5
+64ft-50ft

Overall

14303

Males

9598

M60-64

9598

20M→21M

20.0 - 21.0 mi

Top 51%
Γ—8
+106ft-24ft

Overall

14656

Males

9665

M60-64

9665

21M→35K

21.0 - 21.8 mi

Top 53%
Γ—7
+17ft-86ft

Overall

15316

Males

9897

M60-64

9897

35K→23M

21.8 - 23.0 mi

Top 55%
Γ—5
+23ft-63ft

Overall

15831

Males

10033

M60-64

10033

23M→24M

23.0 - 24.0 mi

Top 58%
Γ—6
+12ft-82ft

Overall

16879

Males

10414

M60-64

10414

24M→40K

24.0 - 24.9 mi

Top 58%
Γ—1
+6ft-20ft

Overall

16888

Males

10363

M60-64

10363

40K→25.2M

24.9 - 25.2 mi

Top 55%
Γ—1
+13ft-16ft

Overall

15885

Males

9913

M60-64

9913

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
Γ—2
+22ft-21ft

Overall

18326

Males

11038

M60-64

11038

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1824*
Passed By
1739
Net Change
-865
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#13301
5K β†’ 10K406*190+216#13301#13085
10K β†’ 15K28200-1068#13085#14153
15K β†’ 20K474*19+455#14153#13698
20K β†’ HALF1033+100#13698#13598
HALF β†’ 25K211*46+165#13598#13433
25K β†’ 30K235*123+112#13433#13321
30K β†’ 20M92127-35#13321#13356
20M β†’ 21M64127-63#13356#13419
21M β†’ 35K4988-39#13419#13458
35K β†’ 23M61200-153#13458#13611
23M β†’ 24M29200-178#13611#13789
24M β†’ 40K35156-121#13789#13910
40K β†’ 25.2M1760-43#13910#13953
25.2M β†’ FINISH20200-213#13953#14166
TOTALS1824*1739-865

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

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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