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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Masahiko Nakamura

Bib: 24943 •M •Age: N/A

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 (M65-69)
#0 / 774
Top 41%
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
27:42
3.11 mi
Rank: #22226
Start → 5K
27:42 | 8:55/mi
10K
54:14
6.21 mi
Rank: #21476 (+750)
5K → 10K
26:32 | 8:33/mi
15K
1:21:03
9.32 mi
Rank: #21252 (+224)
10K → 15K
26:49 | 8:38/mi
20K
1:48:18
12.43 mi
Rank: #21111 (+141)
15K → 20K
27:15 | 8:47/mi
HALF
1:54:10
13.11 mi
Rank: #21081 (+30)
20K → HALF
5:52 | 8:37/mi
25K
2:17:45
15.53 mi
Rank: #21642 (-561)
HALF → 25K
23:35 | 9:44/mi
30K
2:46:38
18.64 mi
Rank: #21491 (+151)
25K → 30K
28:53 | 9:18/mi
20M
2:59:42
20.00 mi
Rank: #21484 (+7)
30K → 20M
13:04 | 9:38/mi
21M
3:09:37
21.00 mi
Rank: #21409 (+75)
20M → 21M
9:55 | 9:55/mi
35K
3:16:43
21.75 mi
Rank: #21440 (-31)
21M → 35K
7:06 | 9:30/mi
23M
3:28:36
23.00 mi
Rank: #21401 (+39)
35K → 23M
11:53 | 9:30/mi
24M
3:37:44
24.00 mi
Rank: #21340 (+61)
23M → 24M
9:08 | 9:08/mi
40K
3:45:33
24.85 mi
Rank: #21266 (+74)
24M → 40K
7:49 | 9:09/mi
25.2M
3:48:59
25.20 mi
Rank: #21240 (+26)
40K → 25.2M
3:26 | 9:58/mi
FINISH
3:57:39
26.22 mi
Rank: #21123 (+117)
25.2M → FINISH
8:40 | 8:31/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
Time1:54:10
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:03:29
Pace9:26 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:0527:428:5527:42
8:55
-
10K
6.21 mi11:59:3754:148:4426:32
8:33
-0:22
15K
9.32 mi12:26:261:21:038:4226:49
8:38
+0:05
20K
12.43 mi12:53:411:48:188:4327:15
8:47
+0:09
HALF
13.11 mi12:59:331:54:108:435:52
8:37
-0:10
25K
15.53 mi13:23:082:17:458:5323:35
9:44
+1:07
30K
18.64 mi13:52:012:46:388:5728:53
9:18
-0:26
20M
20.00 mi14:05:052:59:429:0013:04
9:38
+0:20
21M
21.00 mi14:15:003:09:379:029:55
9:55
+0:17
35K
21.75 mi14:22:063:16:439:037:06
9:30
-0:25
23M
23.00 mi14:33:593:28:369:0511:53
9:30
0:00
24M
24.00 mi14:43:073:37:449:059:08
9:08
-0:22
40K
24.85 mi14:50:563:45:339:057:49
9:09
+0:01
25.2M
25.20 mi14:54:223:48:599:063:26
9:58
+0:49
FINISH
26.22 mi15:03:023:57:399:058:40
8:31
-1:27

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

8:31 /mi

Average Pace

9:04 /mi

Slowest Pace

9:58 /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

2:48:40

71% of race

Time at Steady Pace

1:08:59

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:04 /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 mi11:33:0527:428:5527:42
8:55
#22226
10K
6.21 mi11:59:3754:148:4426:32
8:33
#21476
15K
9.32 mi12:26:261:21:038:4226:49
8:38
#21252
20K
12.43 mi12:53:411:48:188:4327:15
8:47
#21111
HALF
13.11 mi12:59:331:54:108:435:52
8:37
#21081
25K
15.53 mi13:23:082:17:458:5323:35
9:44
#21642
30K
18.64 mi13:52:012:46:388:5728:53
9:18
#21491
20M
20.00 mi14:05:052:59:429:0013:04
9:38
#21484
21M
21.00 mi14:15:003:09:379:029:55
9:55
#21409
35K
21.75 mi14:22:063:16:439:037:06
9:30
#21440
23M
23.00 mi14:33:593:28:369:0511:53
9:30
#21401
24M
24.00 mi14:43:073:37:449:059:08
9:08
#21340
40K
24.85 mi14:50:563:45:339:057:49
9:09
#21266
25.2M
25.20 mi14:54:223:48:599:063:26
9:58
#21240
FINISH
26.22 mi15:03:023:57:399:058:40
8:31
#21123
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi22226133381333820826(Top 72%)12720(Top 78%)12720(Top 1643%)
10K6.21 mi3.10 mi21476+75012985+35312985+35320557(Top 71%)12581(Top 77%)12581(Top 1625%)
15K9.32 mi3.11 mi21252+22412879+10612879+10620826(Top 72%)12720(Top 78%)12720(Top 1643%)
20K12.43 mi3.11 mi21111+14112810+6912810+6920808(Top 72%)12675(Top 78%)12675(Top 1638%)
HALF13.11 mi0.68 mi21081+3012797+1312797+1320841(Top 72%)12724(Top 78%)12724(Top 1644%)
25K15.53 mi2.42 mi21642-56113065-26813065-26823609(Top 81%)13998(Top 86%)13998(Top 1809%)
30K18.64 mi3.11 mi21491+15112981+8412981+8420917(Top 72%)12622(Top 77%)12622(Top 1631%)
20M20.00 mi1.36 mi21484+712962+1912962+1921471(Top 74%)12800(Top 78%)12800(Top 1654%)
21M21.00 mi1.00 mi21409+7512913+4912913+4920136(Top 69%)12134(Top 74%)12134(Top 1568%)
35K21.75 mi0.75 mi21440-3112920-712920-721714(Top 75%)12822(Top 78%)12822(Top 1657%)
23M23.00 mi1.25 mi21401+3912896+2412896+2420589(Top 71%)12261(Top 75%)12261(Top 1584%)
24M24.00 mi1.00 mi21340+6112852+4412852+4420009(Top 69%)11882(Top 73%)11882(Top 1535%)
40K24.85 mi0.85 mi21266+7412801+5112801+5119031(Top 66%)11380(Top 70%)11380(Top 1470%)
25.2M25.20 mi0.35 mi21240+2612785+1612785+1619220(Top 66%)11483(Top 70%)11483(Top 1484%)
FINISH26.22 mi1.02 mi21123+11712717+6812717+6818190(Top 63%)10985(Top 67%)10985(Top 1419%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

20826

Males

12720

M65-69

12720

5K→10K

3.1 - 6.2 mi

Top 71%
×5
+79ft-138ft

Overall

20557

Males

12581

M65-69

12581

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

20826

Males

12720

M65-69

12720

15K→20K

9.3 - 12.4 mi

Top 72%
×5
+106ft-86ft

Overall

20808

Males

12675

M65-69

12675

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

20841

Males

12724

M65-69

12724

HALF→25K

13.1 - 15.5 mi

Top 81%
×4
+66ft-88ft

Overall

23609

Males

13998

M65-69

13998

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20917

Males

12622

M65-69

12622

30K→20M

18.6 - 20.0 mi

Top 74%
×5
+64ft-50ft

Overall

21471

Males

12800

M65-69

12800

20M→21M

20.0 - 21.0 mi

Top 69%
×8
+106ft-24ft

Overall

20136

Males

12134

M65-69

12134

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21714

Males

12822

M65-69

12822

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20589

Males

12261

M65-69

12261

23M→24M

23.0 - 24.0 mi

Top 69%
×6
+12ft-82ft

Overall

20009

Males

11882

M65-69

11882

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19031

Males

11380

M65-69

11380

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1
+13ft-16ft

Overall

19220

Males

11483

M65-69

11483

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
×2
+22ft-21ft

Overall

18190

Males

10985

M65-69

10985

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2325*
Passed By
836
Net Change
+1103
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22226
5K → 10K825*75+750#22226#21476
10K → 15K306*82+224#21476#21252
15K → 20K223*82+141#21252#21111
20K → HALF4313+30#21111#21081
HALF → 25K25200-561#21081#21642
25K → 30K241*90+151#21642#21491
30K → 20M9083+7#21491#21484
20M → 21M11944+75#21484#21409
21M → 35K2960-31#21409#21440
35K → 23M9253+39#21440#21401
23M → 24M7615+61#21401#21340
24M → 40K9521+74#21340#21266
40K → 25.2M3711+26#21266#21240
25.2M → FINISH1247+117#21240#21123
TOTALS2325*836+1103

* 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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Activity Data

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