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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Yoichiro Tatsumi

Bib: 16680 •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 (M60-64)
#0 / 1514
Top 42%
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
23:26
3.11 mi
Rank: #13131
Start → 5K
23:26 | 7:33/mi
10K
47:09
6.21 mi
Rank: #13610 (-479)
5K → 10K
23:43 | 7:39/mi
15K
1:11:24
9.32 mi
Rank: #14194 (-584)
10K → 15K
24:15 | 7:49/mi
20K
1:40:04
12.43 mi
Rank: #17209 (-3015)
15K → 20K
28:40 | 9:14/mi
HALF
1:45:21
13.11 mi
Rank: #17085 (+124)
20K → HALF
5:17 | 7:46/mi
25K
2:05:35
15.53 mi
Rank: #17168 (-83)
HALF → 25K
20:14 | 8:21/mi
30K
2:33:25
18.64 mi
Rank: #17583 (-415)
25K → 30K
27:50 | 8:58/mi
20M
2:46:19
20.00 mi
Rank: #17873 (-290)
30K → 20M
12:54 | 9:30/mi
21M
2:56:16
21.00 mi
Rank: #18038 (-165)
20M → 21M
9:57 | 9:57/mi
35K
3:03:26
21.75 mi
Rank: #18235 (-197)
21M → 35K
7:10 | 9:35/mi
23M
3:14:36
23.00 mi
Rank: #18220 (+15)
35K → 23M
11:10 | 8:56/mi
24M
3:23:19
24.00 mi
Rank: #18209 (+11)
23M → 24M
8:43 | 8:43/mi
40K
3:30:56
24.85 mi
Rank: #18193 (+16)
24M → 40K
7:37 | 8:55/mi
25.2M
3:34:18
25.20 mi
Rank: #18187 (+6)
40K → 25.2M
3:22 | 9:46/mi
FINISH
3:43:10
26.22 mi
Rank: #18222 (-35)
25.2M → FINISH
8:52 | 8:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:21
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:57:49
Pace9:00 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:4223:267:3323:26
7:33
-
10K
6.21 mi11:28:2547:097:3623:43
7:39
+0:06
15K
9.32 mi11:52:401:11:247:4024:15
7:49
+0:10
20K
12.43 mi12:21:201:40:048:0428:40
9:14
+1:25
HALF
13.11 mi12:26:371:45:218:035:17
7:46
-1:28
25K
15.53 mi12:46:512:05:358:0620:14
8:21
+0:35
30K
18.64 mi13:14:412:33:258:1427:50
8:58
+0:37
20M
20.00 mi13:27:352:46:198:1912:54
9:30
+0:32
21M
21.00 mi13:37:322:56:168:249:57
9:57
+0:27
35K
21.75 mi13:44:423:03:268:277:10
9:35
-0:22
23M
23.00 mi13:55:523:14:368:2811:10
8:56
-0:39
24M
24.00 mi14:04:353:23:198:298:43
8:43
-0:13
40K
24.85 mi14:12:123:30:568:307:37
8:55
+0:12
25.2M
25.20 mi14:15:343:34:188:313:22
9:46
+0:51
FINISH
26.22 mi14:24:263:43:108:328:52
8:43
-1:03

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

8:31 /mi

Slowest Pace

9:57 /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

1:36:55

43% of race

Time at Steady Pace

1:32:52

42% of race

Time at Slower Pace

33:23

15% of race

Average Pace: 8:31 /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 mi11:04:4223:267:3323:26
7:33
#13131
10K
6.21 mi11:28:2547:097:3623:43
7:39
#13610
15K
9.32 mi11:52:401:11:247:4024:15
7:49
#14194
20K
12.43 mi12:21:201:40:048:0428:40
9:14
#17209
HALF
13.11 mi12:26:371:45:218:035:17
7:46
#17085
25K
15.53 mi12:46:512:05:358:0620:14
8:21
#17168
30K
18.64 mi13:14:412:33:258:1427:50
8:58
#17583
20M
20.00 mi13:27:352:46:198:1912:54
9:30
#17873
21M
21.00 mi13:37:322:56:168:249:57
9:57
#18038
35K
21.75 mi13:44:423:03:268:277:10
9:35
#18235
23M
23.00 mi13:55:523:14:368:2811:10
8:56
#18220
24M
24.00 mi14:04:353:23:198:298:43
8:43
#18209
40K
24.85 mi14:12:123:30:568:307:37
8:55
#18193
25.2M
25.20 mi14:15:343:34:188:313:22
9:46
#18187
FINISH
26.22 mi14:24:263:43:108:328:52
8:43
#18222
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 mi131319518951815385(Top 53%)10350(Top 63%)10350(Top 684%)
10K6.21 mi3.10 mi13610-4799687-1699687-16914160(Top 49%)9898(Top 61%)9898(Top 654%)
15K9.32 mi3.11 mi14194-5849898-2119898-21115385(Top 53%)10350(Top 63%)10350(Top 684%)
20K12.43 mi3.11 mi17209-301511089-119111089-119122852(Top 79%)13661(Top 84%)13661(Top 902%)
HALF13.11 mi0.68 mi17085+12411031+5811031+5815153(Top 52%)10298(Top 63%)10298(Top 680%)
25K15.53 mi2.42 mi17168-8311067-3611067-3617648(Top 61%)11212(Top 69%)11212(Top 741%)
30K18.64 mi3.11 mi17583-41511228-16111228-16119374(Top 67%)11876(Top 73%)11876(Top 784%)
20M20.00 mi1.36 mi17873-29011315-8711315-8721031(Top 72%)12585(Top 77%)12585(Top 831%)
21M21.00 mi1.00 mi18038-16511358-4311358-4320248(Top 70%)12186(Top 75%)12186(Top 805%)
35K21.75 mi0.75 mi18235-19711437-7911437-7921986(Top 76%)12951(Top 79%)12951(Top 855%)
23M23.00 mi1.25 mi18220+1511403+3411403+3418104(Top 62%)11028(Top 67%)11028(Top 728%)
24M24.00 mi1.00 mi18209+1111382+2111382+2118088(Top 62%)10993(Top 67%)10993(Top 726%)
40K24.85 mi0.85 mi18193+1611365+1711365+1717918(Top 62%)10861(Top 66%)10861(Top 717%)
25.2M25.20 mi0.35 mi18187+611352+1311352+1318427(Top 63%)11087(Top 68%)11087(Top 732%)
FINISH26.22 mi1.02 mi18222-35113521135219145(Top 66%)11439(Top 70%)11439(Top 756%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15385

Males

10350

M60-64

10350

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14160

Males

9898

M60-64

9898

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15385

Males

10350

M60-64

10350

15K→20K

9.3 - 12.4 mi

Top 79%
×5
+106ft-86ft

Overall

22852

Males

13661

M60-64

13661

20K→HALF

12.4 - 13.1 mi

Top 52%
×2
+19ft-37ft

Overall

15153

Males

10298

M60-64

10298

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17648

Males

11212

M60-64

11212

25K→30K

15.5 - 18.6 mi

Top 67%
×9
+181ft-148ft

Overall

19374

Males

11876

M60-64

11876

30K→20M

18.6 - 20.0 mi

Top 72%
×5
+64ft-50ft

Overall

21031

Males

12585

M60-64

12585

20M→21M

20.0 - 21.0 mi

Top 70%
×8
+106ft-24ft

Overall

20248

Males

12186

M60-64

12186

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

21986

Males

12951

M60-64

12951

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

18104

Males

11028

M60-64

11028

23M→24M

23.0 - 24.0 mi

Top 62%
×6
+12ft-82ft

Overall

18088

Males

10993

M60-64

10993

24M→40K

24.0 - 24.9 mi

Top 62%
×1
+6ft-20ft

Overall

17918

Males

10861

M60-64

10861

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1
+13ft-16ft

Overall

18427

Males

11087

M60-64

11087

25.2M→FINISH

25.2 - 26.2 mi

Top 66%
×2
+22ft-21ft

Overall

19145

Males

11439

M60-64

11439

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
945
Passed By
1919
Net Change
-5091
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13131
5K → 10K121200-479#13131#13610
10K → 15K74200-584#13610#14194
15K → 20K1200-3015#14194#17209
20K → HALF1328+124#17209#17085
HALF → 25K106189-83#17085#17168
25K → 30K90200-415#17168#17583
30K → 20M34200-290#17583#17873
20M → 21M35200-165#17873#18038
21M → 35K17200-197#18038#18235
35K → 23M10388+15#18235#18220
23M → 24M7059+11#18220#18209
24M → 40K7054+16#18209#18193
40K → 25.2M2923+6#18193#18187
25.2M → FINISH6398-35#18187#18222
TOTALS9451919-5091
📊

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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