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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kosaku Miyazawa

Bib: 12174 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 29%
Gender (Male)
#0 / 16340
Top 42%
Masters (Masters Men)
#0 / 10617
Top 30%
Age Group (M45-49)
#0 / 2413
Top 45%
Race Day Weather
51°/41°F
overcast clouds
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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
21:31
3.11 mi
Rank: #7944
Start → 5K
21:31 | 6:56/mi
10K
43:51
6.21 mi
Rank: #9018 (-1074)
5K → 10K
22:20 | 7:12/mi
15K
1:06:16
9.32 mi
Rank: #9360 (-342)
10K → 15K
22:25 | 7:13/mi
20K
1:28:36
12.43 mi
Rank: #9314 (+46)
15K → 20K
22:20 | 7:12/mi
HALF
1:33:27
13.11 mi
Rank: #9321 (-7)
20K → HALF
4:51 | 7:07/mi
25K
1:50:57
15.53 mi
Rank: #9238 (+83)
HALF → 25K
17:30 | 7:13/mi
30K
2:13:56
18.64 mi
Rank: #9116 (+122)
25K → 30K
22:59 | 7:24/mi
20M
2:24:07
20.00 mi
Rank: #9066 (+50)
30K → 20M
10:11 | 7:30/mi
21M
2:31:52
21.00 mi
Rank: #8989 (+77)
20M → 21M
7:45 | 7:45/mi
35K
2:37:09
21.75 mi
Rank: #8901 (+88)
21M → 35K
5:17 | 7:04/mi
23M
2:46:26
23.00 mi
Rank: #8823 (+78)
35K → 23M
9:17 | 7:26/mi
24M
2:53:36
24.00 mi
Rank: #8713 (+110)
23M → 24M
7:10 | 7:10/mi
40K
2:59:50
24.85 mi
Rank: #8625 (+88)
24M → 40K
6:14 | 7:18/mi
25.2M
3:02:29
25.20 mi
Rank: #8569 (+56)
40K → 25.2M
2:39 | 7:42/mi
FINISH
3:09:39
26.22 mi
Rank: #8502 (+67)
25.2M → FINISH
7:10 | 7:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:33:27
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:36:12
Pace7:21 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3921:316:5621:31
6:56
-
10K
6.21 mi11:11:5943:517:0422:20
7:12
+0:16
15K
9.32 mi11:34:241:06:167:0722:25
7:13
+0:01
20K
12.43 mi11:56:441:28:367:0822:20
7:12
-0:01
HALF
13.11 mi12:01:351:33:277:084:51
7:07
-0:05
25K
15.53 mi12:19:051:50:577:0917:30
7:13
+0:06
30K
18.64 mi12:42:042:13:567:1222:59
7:24
+0:11
20M
20.00 mi12:52:152:24:077:1310:11
7:30
+0:06
21M
21.00 mi13:00:002:31:527:147:45
7:45
+0:15
35K
21.75 mi13:05:172:37:097:145:17
7:04
-0:41
23M
23.00 mi13:14:342:46:267:159:17
7:26
+0:22
24M
24.00 mi13:21:442:53:367:157:10
7:10
-0:16
40K
24.85 mi13:27:582:59:507:156:14
7:18
+0:08
25.2M
25.20 mi13:30:373:02:297:152:39
7:42
+0:24
FINISH
26.22 mi13:37:473:09:397:157:10
7:02
-0:40

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

6:56 /mi

Average Pace

7:14 /mi

Slowest Pace

7:45 /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

2:59:15

95% of race

Time at Steady Pace

10:24

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:14 /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 mi10:49:3921:316:5621:31
6:56
#7944
10K
6.21 mi11:11:5943:517:0422:20
7:12
#9018
15K
9.32 mi11:34:241:06:167:0722:25
7:13
#9360
20K
12.43 mi11:56:441:28:367:0822:20
7:12
#9314
HALF
13.11 mi12:01:351:33:277:084:51
7:07
#9321
25K
15.53 mi12:19:051:50:577:0917:30
7:13
#9238
30K
18.64 mi12:42:042:13:567:1222:59
7:24
#9116
20M
20.00 mi12:52:152:24:077:1310:11
7:30
#9066
21M
21.00 mi13:00:002:31:527:147:45
7:45
#8989
35K
21.75 mi13:05:172:37:097:145:17
7:04
#8901
23M
23.00 mi13:14:342:46:267:159:17
7:26
#8823
24M
24.00 mi13:21:442:53:367:157:10
7:10
#8713
40K
24.85 mi13:27:582:59:507:156:14
7:18
#8625
25.2M
25.20 mi13:30:373:02:297:152:39
7:42
#8569
FINISH
26.22 mi13:37:473:09:397:157:10
7:02
#8502
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 mi79446864686410241(Top 35%)8127(Top 50%)8127(Top 337%)
10K6.21 mi3.10 mi9018-10747534-6707534-67010149(Top 35%)8132(Top 50%)8132(Top 337%)
15K9.32 mi3.11 mi9360-3427722-1887722-18810241(Top 35%)8127(Top 50%)8127(Top 337%)
20K12.43 mi3.11 mi9314+467676+467676+469242(Top 32%)7540(Top 46%)7540(Top 312%)
HALF13.11 mi0.68 mi9321-77669+77669+79493(Top 33%)7705(Top 47%)7705(Top 319%)
25K15.53 mi2.42 mi9238+837598+717598+718991(Top 31%)7316(Top 45%)7316(Top 303%)
30K18.64 mi3.11 mi9116+1227484+1147484+1148827(Top 30%)7066(Top 43%)7066(Top 293%)
20M20.00 mi1.36 mi9066+507430+547430+549075(Top 31%)7102(Top 43%)7102(Top 294%)
21M21.00 mi1.00 mi8989+777347+837347+838147(Top 28%)6466(Top 40%)6466(Top 268%)
35K21.75 mi0.75 mi8901+887280+677280+677556(Top 26%)6174(Top 38%)6174(Top 256%)
23M23.00 mi1.25 mi8823+787192+887192+888252(Top 28%)6475(Top 40%)6475(Top 268%)
24M24.00 mi1.00 mi8713+1107107+857107+857624(Top 26%)6043(Top 37%)6043(Top 250%)
40K24.85 mi0.85 mi8625+887037+707037+707351(Top 25%)5808(Top 36%)5808(Top 241%)
25.2M25.20 mi0.35 mi8569+566994+436994+436352(Top 22%)5155(Top 32%)5155(Top 214%)
FINISH26.22 mi1.02 mi8502+676920+746920+747812(Top 27%)5954(Top 36%)5954(Top 247%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21
+97ft-345ft

Overall

10241

Males

8127

M45-49

8127

5K→10K

3.1 - 6.2 mi

Top 35%
×5
+79ft-138ft

Overall

10149

Males

8132

M45-49

8132

10K→15K

6.2 - 9.3 mi

Top 35%
×3
+67ft-78ft

Overall

10241

Males

8127

M45-49

8127

15K→20K

9.3 - 12.4 mi

Top 32%
×5
+106ft-86ft

Overall

9242

Males

7540

M45-49

7540

20K→HALF

12.4 - 13.1 mi

Top 33%
×2
+19ft-37ft

Overall

9493

Males

7705

M45-49

7705

HALF→25K

13.1 - 15.5 mi

Top 31%
×4
+66ft-88ft

Overall

8991

Males

7316

M45-49

7316

25K→30K

15.5 - 18.6 mi

Top 30%
×9
+181ft-148ft

Overall

8827

Males

7066

M45-49

7066

30K→20M

18.6 - 20.0 mi

Top 31%
×5
+64ft-50ft

Overall

9075

Males

7102

M45-49

7102

20M→21M

20.0 - 21.0 mi

Top 28%
×8
+106ft-24ft

Overall

8147

Males

6466

M45-49

6466

21M→35K

21.0 - 21.8 mi

Top 26%
×7
+17ft-86ft

Overall

7556

Males

6174

M45-49

6174

35K→23M

21.8 - 23.0 mi

Top 28%
×5
+23ft-63ft

Overall

8252

Males

6475

M45-49

6475

23M→24M

23.0 - 24.0 mi

Top 26%
×6
+12ft-82ft

Overall

7624

Males

6043

M45-49

6043

24M→40K

24.0 - 24.9 mi

Top 25%
×1
+6ft-20ft

Overall

7351

Males

5808

M45-49

5808

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1
+13ft-16ft

Overall

6352

Males

5155

M45-49

5155

25.2M→FINISH

25.2 - 26.2 mi

Top 27%
×2
+22ft-21ft

Overall

7812

Males

5954

M45-49

5954

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1484*
Passed By
954
Net Change
-558
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7944
5K → 10K26200-1074#7944#9018
10K → 15K46200-342#9018#9360
15K → 20K160114+46#9360#9314
20K → HALF2229-7#9314#9321
HALF → 25K14562+83#9321#9238
25K → 30K229*107+122#9238#9116
30K → 20M11363+50#9116#9066
20M → 21M11942+77#9066#8989
21M → 35K9810+88#8989#8901
35K → 23M14769+78#8901#8823
23M → 24M1177+110#8823#8713
24M → 40K10921+88#8713#8625
40K → 25.2M604+56#8625#8569
25.2M → FINISH9326+67#8569#8502
TOTALS1484*954-558

* 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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