All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Takuo Otsuka

Bib: 13237•M

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
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
22:16
3.11 mi
Rank: #9890
Start → 5K
22:16 | 7:11/mi
10K
44:07
6.21 mi
Rank: #9345 (+545)
5K → 10K
21:51 | 7:02/mi
15K
1:05:54
9.32 mi
Rank: #9069 (+276)
10K → 15K
21:47 | 7:01/mi
20K
1:28:03
12.43 mi
Rank: #8985 (+84)
15K → 20K
22:09 | 7:08/mi
HALF
1:32:49
13.11 mi
Rank: #8976 (+9)
20K → HALF
4:46 | 7:00/mi
25K
1:50:54
15.53 mi
Rank: #9216 (-240)
HALF → 25K
18:05 | 7:28/mi
30K
2:21:26
18.64 mi
Rank: #12599 (-3383)
25K → 30K
30:32 | 9:50/mi
20M
2:35:38
20.00 mi
Rank: #13932 (-1333)
30K → 20M
14:12 | 10:28/mi
21M
2:48:02
21.00 mi
Rank: #15381 (-1449)
20M → 21M
12:24 | 12:24/mi
35K
2:57:18
21.75 mi
Rank: #16414 (-1033)
21M → 35K
9:16 | 12:24/mi
23M
3:15:56
23.00 mi
Rank: #18548 (-2134)
35K → 23M
18:38 | 14:54/mi
24M
3:25:39
24.00 mi
Rank: #18755 (-207)
23M → 24M
9:43 | 9:43/mi
40K
3:33:24
24.85 mi
Rank: #18755
24M → 40K
7:45 | 9:04/mi
25.2M
3:38:23
25.20 mi
Rank: #19138 (-383)
40K → 25.2M
4:59 | 14:28/mi
FINISH
3:46:30
26.22 mi
Rank: #18965 (+173)
25.2M → FINISH
8:07 | 7:58/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:49
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time2:13:41
Pace10:12 /mi
📊Positive Split: 44.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5422:167:1122:16
7:11
-
10K
6.21 mi11:12:4544:077:0621:51
7:02
-0:09
15K
9.32 mi11:34:321:05:547:0521:47
7:01
-0:01
20K
12.43 mi11:56:411:28:037:0622:09
7:08
+0:07
HALF
13.11 mi12:01:271:32:497:054:46
7:00
-0:08
25K
15.53 mi12:19:321:50:547:0918:05
7:28
+0:28
30K
18.64 mi12:50:042:21:267:3630:32
9:50
+2:22
20M
20.00 mi13:04:162:35:387:4714:12
10:28
+0:38
21M
21.00 mi13:16:402:48:028:0112:24
12:24
+1:56
35K
21.75 mi13:25:562:57:188:109:16
12:24
0:00
23M
23.00 mi13:44:343:15:568:3218:38
14:54
+2:30
24M
24.00 mi13:54:173:25:398:359:43
9:43
-5:11
40K
24.85 mi14:02:023:33:248:367:45
9:04
-0:39
25.2M
25.20 mi14:07:013:38:238:404:59
14:28
+5:24
FINISH
26.22 mi14:15:083:46:308:398:07
7:58
-6:30

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

7:00 /mi

Average Pace

8:39 /mi

Slowest Pace

14:54 /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

1:50:54

49% of race

Time at Steady Pace

56:07

25% of race

Time at Slower Pace

59:29

26% of race

Average Pace: 8:38 /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 mi10:50:5422:167:1122:16
7:11
#9890
10K
6.21 mi11:12:4544:077:0621:51
7:02
#9345
15K
9.32 mi11:34:321:05:547:0521:47
7:01
#9069
20K
12.43 mi11:56:411:28:037:0622:09
7:08
#8985
HALF
13.11 mi12:01:271:32:497:054:46
7:00
#8976
25K
15.53 mi12:19:321:50:547:0918:05
7:28
#9216
30K
18.64 mi12:50:042:21:267:3630:32
9:50
#12599
20M
20.00 mi13:04:162:35:387:4714:12
10:28
#13932
21M
21.00 mi13:16:402:48:028:0112:24
12:24
#15381
35K
21.75 mi13:25:562:57:188:109:16
12:24
#16414
23M
23.00 mi13:44:343:15:568:3218:38
14:54
#18548
24M
24.00 mi13:54:173:25:398:359:43
9:43
#18755
40K
24.85 mi14:02:023:33:248:367:45
9:04
#18755
25.2M
25.20 mi14:07:013:38:238:404:59
14:28
#19138
FINISH
26.22 mi14:15:083:46:308:398:07
7:58
#18965
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9890802980298653(Top 30%)7280(Top 45%)7280(Top 390%)
10K6.21 mi3.10 mi9345+5457746+2837746+2838930(Top 31%)7460(Top 46%)7460(Top 399%)
15K9.32 mi3.11 mi9069+2767555+1917555+1918653(Top 30%)7280(Top 45%)7280(Top 390%)
20K12.43 mi3.11 mi8985+847486+697486+698798(Top 30%)7305(Top 45%)7305(Top 391%)
HALF13.11 mi0.68 mi8976+97481+57481+58640(Top 30%)7287(Top 45%)7287(Top 390%)
25K15.53 mi2.42 mi9216-2407588-1077588-10711061(Top 38%)8365(Top 51%)8365(Top 448%)
30K18.64 mi3.11 mi12599-33839133-15459133-154522638(Top 78%)13449(Top 82%)13449(Top 720%)
20M20.00 mi1.36 mi13932-13339692-5599692-55923725(Top 82%)13868(Top 85%)13868(Top 742%)
21M21.00 mi1.00 mi15381-144910239-54710239-54725631(Top 88%)14697(Top 90%)14697(Top 787%)
35K21.75 mi0.75 mi16414-103310667-42810667-42827136(Top 94%)15405(Top 94%)15405(Top 825%)
23M23.00 mi1.25 mi18548-213411557-89011557-89028612(Top 99%)16107(Top 99%)16107(Top 862%)
24M24.00 mi1.00 mi18755-20711625-6811625-6822005(Top 76%)12871(Top 79%)12871(Top 689%)
40K24.85 mi0.85 mi1875511605+2011605+2018681(Top 64%)11201(Top 69%)11201(Top 600%)
25.2M25.20 mi0.35 mi19138-38311762-15711762-15727573(Top 95%)15552(Top 95%)15552(Top 833%)
FINISH26.22 mi1.02 mi18965+17311676+8611676+8614939(Top 51%)9487(Top 58%)9487(Top 508%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21
+97ft-345ft

Overall

8653

Males

7280

M50-54

7280

5K→10K

3.1 - 6.2 mi

Top 31%
×5
+79ft-138ft

Overall

8930

Males

7460

M50-54

7460

10K→15K

6.2 - 9.3 mi

Top 30%
×3
+67ft-78ft

Overall

8653

Males

7280

M50-54

7280

15K→20K

9.3 - 12.4 mi

Top 30%
×5
+106ft-86ft

Overall

8798

Males

7305

M50-54

7305

20K→HALF

12.4 - 13.1 mi

Top 30%
×2
+19ft-37ft

Overall

8640

Males

7287

M50-54

7287

HALF→25K

13.1 - 15.5 mi

Top 38%
×4
+66ft-88ft

Overall

11061

Males

8365

M50-54

8365

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22638

Males

13449

M50-54

13449

30K→20M

18.6 - 20.0 mi

Top 82%
×5
+64ft-50ft

Overall

23725

Males

13868

M50-54

13868

20M→21M

20.0 - 21.0 mi

Top 88%
×8
+106ft-24ft

Overall

25631

Males

14697

M50-54

14697

21M→35K

21.0 - 21.8 mi

Top 94%
×7
+17ft-86ft

Overall

27136

Males

15405

M50-54

15405

35K→23M

21.8 - 23.0 mi

Top 99%
×5
+23ft-63ft

Overall

28612

Males

16107

M50-54

16107

23M→24M

23.0 - 24.0 mi

Top 76%
×6
+12ft-82ft

Overall

22005

Males

12871

M50-54

12871

24M→40K

24.0 - 24.9 mi

Top 64%
×1
+6ft-20ft

Overall

18681

Males

11201

M50-54

11201

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1
+13ft-16ft

Overall

27573

Males

15552

M50-54

15552

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14939

Males

9487

M50-54

9487

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1478*
Passed By
1882
Net Change
-9075
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9890
5K → 10K614*69+545#9890#9345
10K → 15K315*39+276#9345#9069
15K → 20K17288+84#9069#8985
20K → HALF2819+9#8985#8976
HALF → 25K57200-240#8976#9216
25K → 30K7200-3383#9216#12599
30K → 20M10200-1333#12599#13932
20M → 21M7200-1449#13932#15381
21M → 35K3200-1033#15381#16414
35K → 23M0200-2134#16414#18548
23M → 24M23200-207#18548#18755
24M → 40K59590#18755#18755
40K → 25.2M2200-383#18755#19138
25.2M → FINISH1818+173#19138#18965
TOTALS1478*1882-9075

* 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

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing