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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Daigo Yachi

Bib: 17538 •M •Age: N/A

CA

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: #15960
Start → 5K
24:26 | 7:52/mi
10K
50:21
6.21 mi
Rank: #17790 (-1830)
5K → 10K
25:55 | 8:21/mi
15K
1:16:12
9.32 mi
Rank: #18244 (-454)
10K → 15K
25:51 | 8:20/mi
20K
1:43:15
12.43 mi
Rank: #18811 (-567)
15K → 20K
27:03 | 8:43/mi
HALF
1:48:54
13.11 mi
Rank: #18820 (-9)
20K → HALF
5:39 | 8:18/mi
25K
2:10:52
15.53 mi
Rank: #19279 (-459)
HALF → 25K
21:58 | 9:04/mi
30K
2:41:48
18.64 mi
Rank: #20201 (-922)
25K → 30K
30:56 | 9:58/mi
20M
2:55:02
20.00 mi
Rank: #20378 (-177)
30K → 20M
13:14 | 9:45/mi
21M
3:05:14
21.00 mi
Rank: #20433 (-55)
20M → 21M
10:12 | 10:12/mi
35K
3:12:00
21.75 mi
Rank: #20428 (+5)
21M → 35K
6:46 | 9:03/mi
23M
3:25:51
23.00 mi
Rank: #20843 (-415)
35K → 23M
13:51 | 11:05/mi
24M
3:37:35
24.00 mi
Rank: #21310 (-467)
23M → 24M
11:44 | 11:44/mi
40K
3:51:47
24.85 mi
Rank: #22218 (-908)
24M → 40K
14:12 | 16:37/mi
25.2M
3:57:29
25.20 mi
Rank: #22467 (-249)
40K → 25.2M
5:42 | 16:32/mi
FINISH
4:08:05
26.22 mi
Rank: #22586 (-119)
25.2M → FINISH
10:36 | 10:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:54
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:19:11
Pace10:38 /mi
📊Positive Split: 27.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:5824:267:5224:26
7:52
-
10K
6.21 mi11:32:5350:218:0725:55
8:21
+0:29
15K
9.32 mi11:58:441:16:128:1125:51
8:20
-0:01
20K
12.43 mi12:25:471:43:158:1927:03
8:43
+0:23
HALF
13.11 mi12:31:261:48:548:195:39
8:18
-0:25
25K
15.53 mi12:53:242:10:528:2621:58
9:04
+0:46
30K
18.64 mi13:24:202:41:488:4130:56
9:58
+0:54
20M
20.00 mi13:37:342:55:028:4613:14
9:45
-0:13
21M
21.00 mi13:47:463:05:148:5010:12
10:12
+0:27
35K
21.75 mi13:54:323:12:008:506:46
9:03
-1:09
23M
23.00 mi14:08:233:25:518:5813:51
11:05
+2:02
24M
24.00 mi14:20:073:37:359:0411:44
11:44
+0:39
40K
24.85 mi14:34:193:51:479:2014:12
16:37
+4:53
25.2M
25.20 mi14:40:013:57:299:265:42
16:32
-0:05
FINISH
26.22 mi14:50:374:08:059:2910:36
10:25
-6:07

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

7:52 /mi

Average Pace

9:28 /mi

Slowest Pace

16:37 /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

1:21:51

33% of race

Time at Steady Pace

2:00:45

49% of race

Time at Slower Pace

45:29

18% of race

Average Pace: 9:28 /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 mi11:06:5824:267:5224:26
7:52
#15960
10K
6.21 mi11:32:5350:218:0725:55
8:21
#17790
15K
9.32 mi11:58:441:16:128:1125:51
8:20
#18244
20K
12.43 mi12:25:471:43:158:1927:03
8:43
#18811
HALF
13.11 mi12:31:261:48:548:195:39
8:18
#18820
25K
15.53 mi12:53:242:10:528:2621:58
9:04
#19279
30K
18.64 mi13:24:202:41:488:4130:56
9:58
#20201
20M
20.00 mi13:37:342:55:028:4613:14
9:45
#20378
21M
21.00 mi13:47:463:05:148:5010:12
10:12
#20433
35K
21.75 mi13:54:323:12:008:506:46
9:03
#20428
23M
23.00 mi14:08:233:25:518:5813:51
11:05
#20843
24M
24.00 mi14:20:073:37:359:0411:44
11:44
#21310
40K
24.85 mi14:34:193:51:479:2014:12
16:37
#22218
25.2M
25.20 mi14:40:013:57:299:265:42
16:32
#22467
FINISH
26.22 mi14:50:374:08:059:2910:36
10:25
#22586
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 mi15960106121061219095(Top 66%)11928(Top 73%)11928(Top 800%)
10K6.21 mi3.10 mi17790-183011349-73711349-73719437(Top 67%)12079(Top 74%)12079(Top 810%)
15K9.32 mi3.11 mi18244-45411545-19611545-19619095(Top 66%)11928(Top 73%)11928(Top 800%)
20K12.43 mi3.11 mi18811-56711779-23411779-23420486(Top 71%)12516(Top 77%)12516(Top 839%)
HALF13.11 mi0.68 mi18820-911782-311782-318957(Top 65%)11868(Top 73%)11868(Top 796%)
25K15.53 mi2.42 mi19279-45911967-18511967-18521430(Top 74%)12967(Top 79%)12967(Top 870%)
30K18.64 mi3.11 mi20201-92212362-39512362-39522996(Top 79%)13615(Top 83%)13615(Top 913%)
20M20.00 mi1.36 mi20378-17712429-6712429-6721836(Top 75%)12991(Top 80%)12991(Top 871%)
21M21.00 mi1.00 mi20433-5512441-1212441-1221063(Top 73%)12571(Top 77%)12571(Top 843%)
35K21.75 mi0.75 mi20428+512427+1412427+1420199(Top 70%)12089(Top 74%)12089(Top 811%)
23M23.00 mi1.25 mi20843-41512622-19512622-19524623(Top 85%)14158(Top 87%)14158(Top 950%)
24M24.00 mi1.00 mi21310-46712840-21812840-21826238(Top 90%)14899(Top 91%)14899(Top 999%)
40K24.85 mi0.85 mi22218-90813249-40913249-40928835(Top 99%)16223(Top 99%)16223(Top 1088%)
25.2M25.20 mi0.35 mi22467-24913349-10013349-10028613(Top 99%)16075(Top 98%)16075(Top 1078%)
FINISH26.22 mi1.02 mi22586-11913400-5113400-5124838(Top 86%)14192(Top 87%)14192(Top 952%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19095

Males

11928

M55-59

11928

5K→10K

3.1 - 6.2 mi

Top 67%
×5
+79ft-138ft

Overall

19437

Males

12079

M55-59

12079

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19095

Males

11928

M55-59

11928

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20486

Males

12516

M55-59

12516

20K→HALF

12.4 - 13.1 mi

Top 65%
×2
+19ft-37ft

Overall

18957

Males

11868

M55-59

11868

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21430

Males

12967

M55-59

12967

25K→30K

15.5 - 18.6 mi

Top 79%
×9
+181ft-148ft

Overall

22996

Males

13615

M55-59

13615

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21836

Males

12991

M55-59

12991

20M→21M

20.0 - 21.0 mi

Top 73%
×8
+106ft-24ft

Overall

21063

Males

12571

M55-59

12571

21M→35K

21.0 - 21.8 mi

Top 70%
×7
+17ft-86ft

Overall

20199

Males

12089

M55-59

12089

35K→23M

21.8 - 23.0 mi

Top 85%
×5
+23ft-63ft

Overall

24623

Males

14158

M55-59

14158

23M→24M

23.0 - 24.0 mi

Top 90%
×6
+12ft-82ft

Overall

26238

Males

14899

M55-59

14899

24M→40K

24.0 - 24.9 mi

Top 99%
×1
+6ft-20ft

Overall

28835

Males

16223

M55-59

16223

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1
+13ft-16ft

Overall

28613

Males

16075

M55-59

16075

25.2M→FINISH

25.2 - 26.2 mi

Top 86%
×2
+22ft-21ft

Overall

24838

Males

14192

M55-59

14192

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
426
Passed By
2322
Net Change
-6626
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15960
5K → 10K13200-1830#15960#17790
10K → 15K66200-454#17790#18244
15K → 20K47200-567#18244#18811
20K → HALF2837-9#18811#18820
HALF → 25K40200-459#18820#19279
25K → 30K50200-922#19279#20201
30K → 20M45200-177#20201#20378
20M → 21M63118-55#20378#20433
21M → 35K4237+5#20433#20428
35K → 23M12200-415#20428#20843
23M → 24M7200-467#20843#21310
24M → 40K0200-908#21310#22218
40K → 25.2M2200-249#22218#22467
25.2M → FINISH11130-119#22467#22586
TOTALS4262322-6626
📊

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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