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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Shotaro Arai

Bib: 5274 β€’M β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 13%
Gender (Male)
#0 / 16340
Top 22%
Masters (Masters Men)
#0 / 10617
Top 8%
Age Group (M40-44)
#0 / 2198
Top 24%
Race Day Weather
51Β°/41Β°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
20:21
3.11 mi
Rank: #4592
Start β†’ 5K
20:21 | 6:34/mi
10K
39:45
6.21 mi
Rank: #3466 (+1126)
5K β†’ 10K
19:24 | 6:15/mi
15K
59:28
9.32 mi
Rank: #3356 (+110)
10K β†’ 15K
19:43 | 6:21/mi
20K
1:19:37
12.43 mi
Rank: #3397 (-41)
15K β†’ 20K
20:09 | 6:30/mi
HALF
1:23:51
13.11 mi
Rank: #3347 (+50)
20K β†’ HALF
4:14 | 6:13/mi
25K
1:39:29
15.53 mi
Rank: #3273 (+74)
HALF β†’ 25K
15:38 | 6:27/mi
30K
2:00:23
18.64 mi
Rank: #3355 (-82)
25K β†’ 30K
20:54 | 6:44/mi
20M
2:09:33
20.00 mi
Rank: #3351 (+4)
30K β†’ 20M
9:10 | 6:45/mi
21M
2:16:45
21.00 mi
Rank: #3399 (-48)
20M β†’ 21M
7:12 | 7:12/mi
35K
2:21:43
21.75 mi
Rank: #3409 (-10)
21M β†’ 35K
4:58 | 6:39/mi
23M
2:30:25
23.00 mi
Rank: #3450 (-41)
35K β†’ 23M
8:42 | 6:58/mi
24M
2:37:24
24.00 mi
Rank: #3529 (-79)
23M β†’ 24M
6:59 | 6:59/mi
40K
2:43:34
24.85 mi
Rank: #3604 (-75)
24M β†’ 40K
6:10 | 7:13/mi
25.2M
2:46:25
25.20 mi
Rank: #3683 (-79)
40K β†’ 25.2M
2:51 | 8:16/mi
FINISH
2:53:56
26.22 mi
Rank: #3881 (-198)
25.2M β†’ FINISH
7:31 | 7:23/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:23:51
Pace6:24 /mi
2nd Half
Distance13.11 mi
Time1:30:05
Pace6:53 /mi
πŸ“ŠPositive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2620:216:3420:21
6:34
-
10K
6.21 mi10:42:5039:456:2419:24
6:15
-0:19
15K
9.32 mi11:02:3359:286:2319:43
6:21
+0:06
20K
12.43 mi11:22:421:19:376:2520:09
6:30
+0:09
HALF
13.11 mi11:26:561:23:516:244:14
6:13
-0:17
25K
15.53 mi11:42:341:39:296:2515:38
6:27
+0:14
30K
18.64 mi12:03:282:00:236:2820:54
6:44
+0:17
20M
20.00 mi12:12:382:09:336:299:10
6:45
+0:01
21M
21.00 mi12:19:502:16:456:317:12
7:12
+0:27
35K
21.75 mi12:24:482:21:436:314:58
6:39
-0:33
23M
23.00 mi12:33:302:30:256:338:42
6:58
+0:19
24M
24.00 mi12:40:292:37:246:346:59
6:59
+0:01
40K
24.85 mi12:46:392:43:346:356:10
7:13
+0:14
25.2M
25.20 mi12:49:302:46:256:372:51
8:16
+1:03
FINISH
26.22 mi12:57:012:53:566:397:31
7:23
-0:53

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:13 /mi

Average Pace

6:38 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

58:59

34% of race

Time at Steady Pace

1:31:13

52% of race

Time at Slower Pace

23:44

14% of race

Average Pace: 6:38 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:23:2620:216:3420:21
6:34
#4592
10K
6.21 mi10:42:5039:456:2419:24
6:15
#3466
15K
9.32 mi11:02:3359:286:2319:43
6:21
#3356
20K
12.43 mi11:22:421:19:376:2520:09
6:30
#3397
HALF
13.11 mi11:26:561:23:516:244:14
6:13
#3347
25K
15.53 mi11:42:341:39:296:2515:38
6:27
#3273
30K
18.64 mi12:03:282:00:236:2820:54
6:44
#3355
20M
20.00 mi12:12:382:09:336:299:10
6:45
#3351
21M
21.00 mi12:19:502:16:456:317:12
7:12
#3399
35K
21.75 mi12:24:482:21:436:314:58
6:39
#3409
23M
23.00 mi12:33:302:30:256:338:42
6:58
#3450
24M
24.00 mi12:40:292:37:246:346:59
6:59
#3529
40K
24.85 mi12:46:392:43:346:356:10
7:13
#3604
25.2M
25.20 mi12:49:302:46:256:372:51
8:16
#3683
FINISH
26.22 mi12:57:012:53:566:397:31
7:23
#3881
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4592431343133169(Top 11%)3033(Top 19%)3033(Top 138%)
10K6.21 mi3.10 mi3466+11263313+10003313+10002513(Top 9%)2420(Top 15%)2420(Top 110%)
15K9.32 mi3.11 mi3356+1103211+1023211+1023169(Top 11%)3033(Top 19%)3033(Top 138%)
20K12.43 mi3.11 mi3397-413251-403251-403670(Top 13%)3498(Top 21%)3498(Top 159%)
HALF13.11 mi0.68 mi3347+503205+463205+462575(Top 9%)2483(Top 15%)2483(Top 113%)
25K15.53 mi2.42 mi3273+743136+693136+693170(Top 11%)3032(Top 19%)3032(Top 138%)
30K18.64 mi3.11 mi3355-823209-733209-733855(Top 13%)3595(Top 22%)3595(Top 164%)
20M20.00 mi1.36 mi3351+43204+53204+53754(Top 13%)3469(Top 21%)3469(Top 158%)
21M21.00 mi1.00 mi3399-483242-383242-384598(Top 16%)4085(Top 25%)4085(Top 186%)
35K21.75 mi0.75 mi3409-103247-53247-54478(Top 15%)4009(Top 25%)4009(Top 182%)
23M23.00 mi1.25 mi3450-413280-333280-335089(Top 18%)4457(Top 27%)4457(Top 203%)
24M24.00 mi1.00 mi3529-793344-643344-646325(Top 22%)5241(Top 32%)5241(Top 238%)
40K24.85 mi0.85 mi3604-753403-593403-596773(Top 23%)5466(Top 33%)5466(Top 249%)
25.2M25.20 mi0.35 mi3683-793466-633466-639874(Top 34%)7024(Top 43%)7024(Top 320%)
FINISH26.22 mi1.02 mi3881-1983627-1613627-16110427(Top 36%)7313(Top 45%)7313(Top 333%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
Γ—21
+97ft-345ft

Overall

3169

Males

3033

M40-44

3033

5K→10K

3.1 - 6.2 mi

Top 9%
Γ—5
+79ft-138ft

Overall

2513

Males

2420

M40-44

2420

10K→15K

6.2 - 9.3 mi

Top 11%
Γ—3
+67ft-78ft

Overall

3169

Males

3033

M40-44

3033

15K→20K

9.3 - 12.4 mi

Top 13%
Γ—5
+106ft-86ft

Overall

3670

Males

3498

M40-44

3498

20K→HALF

12.4 - 13.1 mi

Top 9%
Γ—2
+19ft-37ft

Overall

2575

Males

2483

M40-44

2483

HALF→25K

13.1 - 15.5 mi

Top 11%
Γ—4
+66ft-88ft

Overall

3170

Males

3032

M40-44

3032

25K→30K

15.5 - 18.6 mi

Top 13%
Γ—9
+181ft-148ft

Overall

3855

Males

3595

M40-44

3595

30K→20M

18.6 - 20.0 mi

Top 13%
Γ—5
+64ft-50ft

Overall

3754

Males

3469

M40-44

3469

20M→21M

20.0 - 21.0 mi

Top 16%
Γ—8
+106ft-24ft

Overall

4598

Males

4085

M40-44

4085

21M→35K

21.0 - 21.8 mi

Top 15%
Γ—7
+17ft-86ft

Overall

4478

Males

4009

M40-44

4009

35K→23M

21.8 - 23.0 mi

Top 18%
Γ—5
+23ft-63ft

Overall

5089

Males

4457

M40-44

4457

23M→24M

23.0 - 24.0 mi

Top 22%
Γ—6
+12ft-82ft

Overall

6325

Males

5241

M40-44

5241

24M→40K

24.0 - 24.9 mi

Top 23%
Γ—1
+6ft-20ft

Overall

6773

Males

5466

M40-44

5466

40K→25.2M

24.9 - 25.2 mi

Top 34%
Γ—1
+13ft-16ft

Overall

9874

Males

7024

M40-44

7024

25.2M→FINISH

25.2 - 26.2 mi

Top 36%
Γ—2
+22ft-21ft

Overall

10427

Males

7313

M40-44

7313

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1766*
Passed By
1046
Net Change
+711
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#4592
5K β†’ 10K1126*0+1126#4592#3466
10K β†’ 15K16050+110#3466#3356
15K β†’ 20K64105-41#3356#3397
20K β†’ HALF511+50#3397#3347
HALF β†’ 25K9521+74#3347#3273
25K β†’ 30K73155-82#3273#3355
30K β†’ 20M4238+4#3355#3351
20M β†’ 21M3280-48#3351#3399
21M β†’ 35K2636-10#3399#3409
35K β†’ 23M3677-41#3409#3450
23M β†’ 24M25104-79#3450#3529
24M β†’ 40K2095-75#3529#3604
40K β†’ 25.2M584-79#3604#3683
25.2M β†’ FINISH11200-198#3683#3881
TOTALS1766*1046+711

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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