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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kenjiro Matsuo

Bib: 12072 •M •Age: N/A

CT

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 24%
Gender (Male)
#0 / 16340
Top 37%
Masters (Masters Men)
#0 / 10617
Top 23%
Age Group (M45-49)
#0 / 2413
Top 34%
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
20:15
3.11 mi
Rank: #4352
Start → 5K
20:15 | 6:32/mi
10K
41:16
6.21 mi
Rank: #5346 (-994)
5K → 10K
21:01 | 6:46/mi
15K
1:02:31
9.32 mi
Rank: #5897 (-551)
10K → 15K
21:15 | 6:51/mi
20K
1:24:04
12.43 mi
Rank: #6287 (-390)
15K → 20K
21:33 | 6:57/mi
HALF
1:28:42
13.11 mi
Rank: #6327 (-40)
20K → HALF
4:38 | 6:48/mi
25K
1:45:26
15.53 mi
Rank: #6371 (-44)
HALF → 25K
16:44 | 6:54/mi
30K
2:07:45
18.64 mi
Rank: #6543 (-172)
25K → 30K
22:19 | 7:11/mi
20M
2:17:49
20.00 mi
Rank: #6667 (-124)
30K → 20M
10:04 | 7:25/mi
21M
2:25:37
21.00 mi
Rank: #6752 (-85)
20M → 21M
7:48 | 7:48/mi
35K
2:31:00
21.75 mi
Rank: #6798 (-46)
21M → 35K
5:23 | 7:12/mi
23M
2:40:28
23.00 mi
Rank: #6865 (-67)
35K → 23M
9:28 | 7:34/mi
24M
2:47:48
24.00 mi
Rank: #6887 (-22)
23M → 24M
7:20 | 7:20/mi
40K
2:54:20
24.85 mi
Rank: #6944 (-57)
24M → 40K
6:32 | 7:39/mi
25.2M
2:57:10
25.20 mi
Rank: #6954 (-10)
40K → 25.2M
2:50 | 8:13/mi
FINISH
3:04:45
26.22 mi
Rank: #7058 (-104)
25.2M → FINISH
7:35 | 7:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:28:42
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:36:03
Pace7:20 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:01:1820:156:3220:15
6:32
-
10K
6.21 mi11:22:1941:166:3921:01
6:46
+0:14
15K
9.32 mi11:43:341:02:316:4321:15
6:51
+0:05
20K
12.43 mi12:05:071:24:046:4621:33
6:57
+0:06
HALF
13.11 mi12:09:451:28:426:464:38
6:48
-0:09
25K
15.53 mi12:26:291:45:266:4816:44
6:54
+0:06
30K
18.64 mi12:48:482:07:456:5222:19
7:11
+0:17
20M
20.00 mi12:58:522:17:496:5410:04
7:25
+0:14
21M
21.00 mi13:06:402:25:376:577:48
7:48
+0:23
35K
21.75 mi13:12:032:31:006:575:23
7:12
-0:36
23M
23.00 mi13:21:312:40:286:599:28
7:34
+0:22
24M
24.00 mi13:28:512:47:487:007:20
7:20
-0:14
40K
24.85 mi13:35:232:54:207:016:32
7:39
+0:19
25.2M
25.20 mi13:38:132:57:107:022:50
8:13
+0:34
FINISH
26.22 mi13:45:483:04:457:047:35
7:27
-0:46

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

6:32 /mi

Average Pace

7:03 /mi

Slowest Pace

8:13 /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

1:45:26

57% of race

Time at Steady Pace

45:06

24% of race

Time at Slower Pace

34:13

19% of race

Average Pace: 7:03 /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 mi11:01:1820:156:3220:15
6:32
#4352
10K
6.21 mi11:22:1941:166:3921:01
6:46
#5346
15K
9.32 mi11:43:341:02:316:4321:15
6:51
#5897
20K
12.43 mi12:05:071:24:046:4621:33
6:57
#6287
HALF
13.11 mi12:09:451:28:426:464:38
6:48
#6327
25K
15.53 mi12:26:291:45:266:4816:44
6:54
#6371
30K
18.64 mi12:48:482:07:456:5222:19
7:11
#6543
20M
20.00 mi12:58:522:17:496:5410:04
7:25
#6667
21M
21.00 mi13:06:402:25:376:577:48
7:48
#6752
35K
21.75 mi13:12:032:31:006:575:23
7:12
#6798
23M
23.00 mi13:21:312:40:286:599:28
7:34
#6865
24M
24.00 mi13:28:512:47:487:007:20
7:20
#6887
40K
24.85 mi13:35:232:54:207:016:32
7:39
#6944
25.2M
25.20 mi13:38:132:57:107:022:50
8:13
#6954
FINISH
26.22 mi13:45:483:04:457:047:35
7:27
#7058
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4352411541157208(Top 25%)6329(Top 39%)6329(Top 262%)
10K6.21 mi3.10 mi5346-9944964-8494964-8496606(Top 23%)5910(Top 36%)5910(Top 245%)
15K9.32 mi3.11 mi5897-5515401-4375401-4377208(Top 25%)6329(Top 39%)6329(Top 262%)
20K12.43 mi3.11 mi6287-3905679-2785679-2787386(Top 25%)6427(Top 39%)6427(Top 266%)
HALF13.11 mi0.68 mi6327-405710-315710-317064(Top 24%)6213(Top 38%)6213(Top 257%)
25K15.53 mi2.42 mi6371-445724-145724-146694(Top 23%)5887(Top 36%)5887(Top 244%)
30K18.64 mi3.11 mi6543-1725827-1035827-1037262(Top 25%)6164(Top 38%)6164(Top 255%)
20M20.00 mi1.36 mi6667-1245909-825909-828421(Top 29%)6722(Top 41%)6722(Top 279%)
21M21.00 mi1.00 mi6752-855954-455954-458462(Top 29%)6621(Top 41%)6621(Top 274%)
35K21.75 mi0.75 mi6798-465977-235977-238461(Top 29%)6654(Top 41%)6654(Top 276%)
23M23.00 mi1.25 mi6865-676016-396016-399290(Top 32%)7025(Top 43%)7025(Top 291%)
24M24.00 mi1.00 mi6887-226009+76009+78809(Top 30%)6685(Top 41%)6685(Top 277%)
40K24.85 mi0.85 mi6944-576026-176026-179844(Top 34%)7116(Top 44%)7116(Top 295%)
25.2M25.20 mi0.35 mi6954-106024+26024+29618(Top 33%)6907(Top 42%)6907(Top 286%)
FINISH26.22 mi1.02 mi7058-1046076-526076-5210927(Top 38%)7560(Top 46%)7560(Top 313%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21
+97ft-345ft

Overall

7208

Males

6329

M45-49

6329

5K→10K

3.1 - 6.2 mi

Top 23%
×5
+79ft-138ft

Overall

6606

Males

5910

M45-49

5910

10K→15K

6.2 - 9.3 mi

Top 25%
×3
+67ft-78ft

Overall

7208

Males

6329

M45-49

6329

15K→20K

9.3 - 12.4 mi

Top 25%
×5
+106ft-86ft

Overall

7386

Males

6427

M45-49

6427

20K→HALF

12.4 - 13.1 mi

Top 24%
×2
+19ft-37ft

Overall

7064

Males

6213

M45-49

6213

HALF→25K

13.1 - 15.5 mi

Top 23%
×4
+66ft-88ft

Overall

6694

Males

5887

M45-49

5887

25K→30K

15.5 - 18.6 mi

Top 25%
×9
+181ft-148ft

Overall

7262

Males

6164

M45-49

6164

30K→20M

18.6 - 20.0 mi

Top 29%
×5
+64ft-50ft

Overall

8421

Males

6722

M45-49

6722

20M→21M

20.0 - 21.0 mi

Top 29%
×8
+106ft-24ft

Overall

8462

Males

6621

M45-49

6621

21M→35K

21.0 - 21.8 mi

Top 29%
×7
+17ft-86ft

Overall

8461

Males

6654

M45-49

6654

35K→23M

21.8 - 23.0 mi

Top 32%
×5
+23ft-63ft

Overall

9290

Males

7025

M45-49

7025

23M→24M

23.0 - 24.0 mi

Top 30%
×6
+12ft-82ft

Overall

8809

Males

6685

M45-49

6685

24M→40K

24.0 - 24.9 mi

Top 34%
×1
+6ft-20ft

Overall

9844

Males

7116

M45-49

7116

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1
+13ft-16ft

Overall

9618

Males

6907

M45-49

6907

25.2M→FINISH

25.2 - 26.2 mi

Top 38%
×2
+22ft-21ft

Overall

10927

Males

7560

M45-49

7560

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
620
Passed By
1816
Net Change
-2706
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4352
5K → 10K12200-994#4352#5346
10K → 15K28200-551#5346#5897
15K → 20K61200-390#5897#6287
20K → HALF1757-40#6287#6327
HALF → 25K85129-44#6327#6371
25K → 30K102200-172#6371#6543
30K → 20M46170-124#6543#6667
20M → 21M34119-85#6667#6752
21M → 35K3076-46#6752#6798
35K → 23M61128-67#6798#6865
23M → 24M5173-22#6865#6887
24M → 40K4097-57#6887#6944
40K → 25.2M2434-10#6944#6954
25.2M → FINISH29133-104#6954#7058
TOTALS6201816-2706
📊

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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