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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Toru Nakamura

Bib: 19230 •M •Age: N/A

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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
Top 48%
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
24:23
3.11 mi
Rank: #15808
Start → 5K
24:23 | 7:51/mi
10K
48:28
6.21 mi
Rank: #15469 (+339)
5K → 10K
24:05 | 7:46/mi
15K
1:12:36
9.32 mi
Rank: #15336 (+133)
10K → 15K
24:08 | 7:47/mi
20K
1:37:08
12.43 mi
Rank: #15303 (+33)
15K → 20K
24:32 | 7:54/mi
HALF
1:42:24
13.11 mi
Rank: #15276 (+27)
20K → HALF
5:16 | 7:44/mi
25K
2:01:49
15.53 mi
Rank: #15270 (+6)
HALF → 25K
19:25 | 8:01/mi
30K
2:27:34
18.64 mi
Rank: #15328 (-58)
25K → 30K
25:45 | 8:18/mi
20M
2:38:44
20.00 mi
Rank: #15229 (+99)
30K → 20M
11:10 | 8:14/mi
21M
2:47:32
21.00 mi
Rank: #15179 (+50)
20M → 21M
8:48 | 8:48/mi
35K
2:53:32
21.75 mi
Rank: #15156 (+23)
21M → 35K
6:00 | 8:02/mi
23M
3:03:56
23.00 mi
Rank: #15111 (+45)
35K → 23M
10:24 | 8:19/mi
24M
3:11:46
24.00 mi
Rank: #14962 (+149)
23M → 24M
7:50 | 7:50/mi
40K
3:18:30
24.85 mi
Rank: #14817 (+145)
24M → 40K
6:44 | 7:53/mi
25.2M
3:21:24
25.20 mi
Rank: #14766 (+51)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:29:05
26.22 mi
Rank: #14646 (+120)
25.2M → FINISH
7:41 | 7:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:24
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:46:41
Pace8:09 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:5024:237:5124:23
7:51
-
10K
6.21 mi11:31:5548:287:4824:05
7:46
-0:05
15K
9.32 mi11:56:031:12:367:4824:08
7:47
+0:01
20K
12.43 mi12:20:351:37:087:4924:32
7:54
+0:07
HALF
13.11 mi12:25:511:42:247:495:16
7:44
-0:10
25K
15.53 mi12:45:162:01:497:5119:25
8:01
+0:17
30K
18.64 mi13:11:012:27:347:5525:45
8:18
+0:17
20M
20.00 mi13:22:112:38:447:5711:10
8:14
-0:04
21M
21.00 mi13:30:592:47:327:598:48
8:48
+0:34
35K
21.75 mi13:36:592:53:327:596:00
8:02
-0:46
23M
23.00 mi13:47:233:03:568:0010:24
8:19
+0:17
24M
24.00 mi13:55:133:11:468:007:50
7:50
-0:29
40K
24.85 mi14:01:573:18:308:006:44
7:53
+0:03
25.2M
25.20 mi14:04:513:21:248:002:54
8:25
+0:32
FINISH
26.22 mi14:12:323:29:057:597:41
7:33
-0:52

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

7:33 /mi

Average Pace

7:59 /mi

Slowest Pace

8:48 /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

3:06:59

89% of race

Time at Steady Pace

22:06

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi11:07:5024:237:5124:23
7:51
#15808
10K
6.21 mi11:31:5548:287:4824:05
7:46
#15469
15K
9.32 mi11:56:031:12:367:4824:08
7:47
#15336
20K
12.43 mi12:20:351:37:087:4924:32
7:54
#15303
HALF
13.11 mi12:25:511:42:247:495:16
7:44
#15276
25K
15.53 mi12:45:162:01:497:5119:25
8:01
#15270
30K
18.64 mi13:11:012:27:347:5525:45
8:18
#15328
20M
20.00 mi13:22:112:38:447:5711:10
8:14
#15229
21M
21.00 mi13:30:592:47:327:598:48
8:48
#15179
35K
21.75 mi13:36:592:53:327:596:00
8:02
#15156
23M
23.00 mi13:47:233:03:568:0010:24
8:19
#15111
24M
24.00 mi13:55:133:11:468:007:50
7:50
#14962
40K
24.85 mi14:01:573:18:308:006:44
7:53
#14817
25.2M
25.20 mi14:04:513:21:248:002:54
8:25
#14766
FINISH
26.22 mi14:12:323:29:057:597:41
7:33
#14646
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 mi15808105491054915062(Top 52%)10215(Top 63%)10215(Top 685%)
10K6.21 mi3.10 mi15469+33910399+15010399+15015176(Top 52%)10296(Top 63%)10296(Top 691%)
15K9.32 mi3.11 mi15336+13310328+7110328+7115062(Top 52%)10215(Top 63%)10215(Top 685%)
20K12.43 mi3.11 mi15303+3310310+1810310+1815273(Top 53%)10248(Top 63%)10248(Top 687%)
HALF13.11 mi0.68 mi15276+2710300+1010300+1014890(Top 51%)10173(Top 62%)10173(Top 682%)
25K15.53 mi2.42 mi15270+610280+2010280+2015435(Top 53%)10270(Top 63%)10270(Top 689%)
30K18.64 mi3.11 mi15328-5810262+1810262+1815526(Top 53%)10207(Top 62%)10207(Top 685%)
20M20.00 mi1.36 mi15229+9910207+5510207+5514378(Top 50%)9631(Top 59%)9631(Top 646%)
21M21.00 mi1.00 mi15179+5010149+5810149+5814961(Top 52%)9789(Top 60%)9789(Top 657%)
35K21.75 mi0.75 mi15156+2310136+1310136+1314587(Top 50%)9578(Top 59%)9578(Top 642%)
23M23.00 mi1.25 mi15111+4510085+5110085+5114513(Top 50%)9464(Top 58%)9464(Top 635%)
24M24.00 mi1.00 mi14962+14910014+7110014+7112548(Top 43%)8507(Top 52%)8507(Top 571%)
40K24.85 mi0.85 mi14817+1459927+879927+8711599(Top 40%)8003(Top 49%)8003(Top 537%)
25.2M25.20 mi0.35 mi14766+519900+279900+2711003(Top 38%)7647(Top 47%)7647(Top 513%)
FINISH26.22 mi1.02 mi14646+1209835+659835+6511737(Top 40%)7977(Top 49%)7977(Top 535%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21
+97ft-345ft

Overall

15062

Males

10215

M55-59

10215

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

15176

Males

10296

M55-59

10296

10K→15K

6.2 - 9.3 mi

Top 52%
×3
+67ft-78ft

Overall

15062

Males

10215

M55-59

10215

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15273

Males

10248

M55-59

10248

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14890

Males

10173

M55-59

10173

HALF→25K

13.1 - 15.5 mi

Top 53%
×4
+66ft-88ft

Overall

15435

Males

10270

M55-59

10270

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15526

Males

10207

M55-59

10207

30K→20M

18.6 - 20.0 mi

Top 50%
×5
+64ft-50ft

Overall

14378

Males

9631

M55-59

9631

20M→21M

20.0 - 21.0 mi

Top 52%
×8
+106ft-24ft

Overall

14961

Males

9789

M55-59

9789

21M→35K

21.0 - 21.8 mi

Top 50%
×7
+17ft-86ft

Overall

14587

Males

9578

M55-59

9578

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14513

Males

9464

M55-59

9464

23M→24M

23.0 - 24.0 mi

Top 43%
×6
+12ft-82ft

Overall

12548

Males

8507

M55-59

8507

24M→40K

24.0 - 24.9 mi

Top 40%
×1
+6ft-20ft

Overall

11599

Males

8003

M55-59

8003

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1
+13ft-16ft

Overall

11003

Males

7647

M55-59

7647

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11737

Males

7977

M55-59

7977

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2281*
Passed By
1084
Net Change
+1162
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15808
5K → 10K488*149+339#15808#15469
10K → 15K273*140+133#15469#15336
15K → 20K195162+33#15336#15303
20K → HALF4215+27#15303#15276
HALF → 25K136130+6#15276#15270
25K → 30K177200-58#15270#15328
30K → 20M15758+99#15328#15229
20M → 21M12979+50#15229#15179
21M → 35K6037+23#15179#15156
35K → 23M11368+45#15156#15111
23M → 24M16314+149#15111#14962
24M → 40K15712+145#14962#14817
40K → 25.2M576+51#14817#14766
25.2M → FINISH13414+120#14766#14646
TOTALS2281*1084+1162

* 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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