All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Yuta Arai

Bib: 4881 •M •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 17%
Gender (Male)
#0 / 16340
Top 27%
Age Group (M18-39)
#0 / 5723
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
20:42
3.11 mi
Rank: #5521
Start → 5K
20:42 | 6:40/mi
10K
40:46
6.21 mi
Rank: #4680 (+841)
5K → 10K
20:04 | 6:28/mi
15K
1:00:46
9.32 mi
Rank: #4310 (+370)
10K → 15K
20:00 | 6:27/mi
20K
1:20:55
12.43 mi
Rank: #4127 (+183)
15K → 20K
20:09 | 6:30/mi
HALF
1:25:18
13.11 mi
Rank: #4115 (+12)
20K → HALF
4:23 | 6:26/mi
25K
1:41:12
15.53 mi
Rank: #4033 (+82)
HALF → 25K
15:54 | 6:34/mi
30K
2:02:31
18.64 mi
Rank: #4132 (-99)
25K → 30K
21:19 | 6:52/mi
20M
2:12:08
20.00 mi
Rank: #4211 (-79)
30K → 20M
9:37 | 7:05/mi
21M
2:19:43
21.00 mi
Rank: #4332 (-121)
20M → 21M
7:35 | 7:35/mi
35K
2:24:47
21.75 mi
Rank: #4345 (-13)
21M → 35K
5:04 | 6:47/mi
23M
2:34:06
23.00 mi
Rank: #4565 (-220)
35K → 23M
9:19 | 7:27/mi
24M
2:41:09
24.00 mi
Rank: #4626 (-61)
23M → 24M
7:03 | 7:03/mi
40K
2:47:15
24.85 mi
Rank: #4681 (-55)
24M → 40K
6:06 | 7:09/mi
25.2M
2:50:01
25.20 mi
Rank: #4737 (-56)
40K → 25.2M
2:46 | 8:02/mi
FINISH
2:57:04
26.22 mi
Rank: #4798 (-61)
25.2M → FINISH
7:03 | 6:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:25:18
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:31:46
Pace7:00 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5420:426:4020:42
6:40
-
10K
6.21 mi10:43:5840:466:3420:04
6:28
-0:12
15K
9.32 mi11:03:581:00:466:3220:00
6:27
-0:01
20K
12.43 mi11:24:071:20:556:3120:09
6:30
+0:03
HALF
13.11 mi11:28:301:25:186:314:23
6:26
-0:04
25K
15.53 mi11:44:241:41:126:3115:54
6:34
+0:08
30K
18.64 mi12:05:432:02:316:3521:19
6:52
+0:18
20M
20.00 mi12:15:202:12:086:379:37
7:05
+0:13
21M
21.00 mi12:22:552:19:436:407:35
7:35
+0:30
35K
21.75 mi12:27:592:24:476:405:04
6:47
-0:48
23M
23.00 mi12:37:182:34:066:439:19
7:27
+0:40
24M
24.00 mi12:44:212:41:096:437:03
7:03
-0:24
40K
24.85 mi12:50:272:47:156:446:06
7:09
+0:06
25.2M
25.20 mi12:53:132:50:016:452:46
8:02
+0:53
FINISH
26.22 mi13:00:162:57:046:467:03
6:56
-1:06

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

6:26 /mi

Average Pace

6:45 /mi

Slowest Pace

8:02 /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

1:20:30

45% of race

Time at Steady Pace

1:10:48

40% of race

Time at Slower Pace

25:46

15% of race

Average Pace: 6:45 /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 mi10:23:5420:426:4020:42
6:40
#5521
10K
6.21 mi10:43:5840:466:3420:04
6:28
#4680
15K
9.32 mi11:03:581:00:466:3220:00
6:27
#4310
20K
12.43 mi11:24:071:20:556:3120:09
6:30
#4127
HALF
13.11 mi11:28:301:25:186:314:23
6:26
#4115
25K
15.53 mi11:44:241:41:126:3115:54
6:34
#4033
30K
18.64 mi12:05:432:02:316:3521:19
6:52
#4132
20M
20.00 mi12:15:202:12:086:379:37
7:05
#4211
21M
21.00 mi12:22:552:19:436:407:35
7:35
#4332
35K
21.75 mi12:27:592:24:476:405:04
6:47
#4345
23M
23.00 mi12:37:182:34:066:439:19
7:27
#4565
24M
24.00 mi12:44:212:41:096:437:03
7:03
#4626
40K
24.85 mi12:50:272:47:156:446:06
7:09
#4681
25.2M
25.20 mi12:53:132:50:016:452:46
8:02
#4737
FINISH
26.22 mi13:00:162:57:046:467:03
6:56
#4798
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5521509450943744(Top 13%)3572(Top 22%)3572(Top 62%)
10K6.21 mi3.10 mi4680+8414390+7044390+7043895(Top 13%)3698(Top 23%)3698(Top 65%)
15K9.32 mi3.11 mi4310+3704078+3124078+3123744(Top 13%)3572(Top 22%)3572(Top 62%)
20K12.43 mi3.11 mi4127+1833918+1603918+1603653(Top 13%)3481(Top 21%)3481(Top 61%)
HALF13.11 mi0.68 mi4115+123904+143904+143844(Top 13%)3642(Top 22%)3642(Top 64%)
25K15.53 mi2.42 mi4033+823826+783826+783793(Top 13%)3579(Top 22%)3579(Top 63%)
30K18.64 mi3.11 mi4132-993897-713897-714838(Top 17%)4393(Top 27%)4393(Top 77%)
20M20.00 mi1.36 mi4211-793961-643961-646062(Top 21%)5283(Top 32%)5283(Top 92%)
21M21.00 mi1.00 mi4332-1214062-1014062-1016977(Top 24%)5748(Top 35%)5748(Top 100%)
35K21.75 mi0.75 mi4345-134068-64068-65391(Top 19%)4716(Top 29%)4716(Top 82%)
23M23.00 mi1.25 mi4565-2204237-1694237-1698419(Top 29%)6544(Top 40%)6544(Top 114%)
24M24.00 mi1.00 mi4626-614278-414278-416766(Top 23%)5528(Top 34%)5528(Top 97%)
40K24.85 mi0.85 mi4681-554312-344312-346284(Top 22%)5158(Top 32%)5158(Top 90%)
25.2M25.20 mi0.35 mi4737-564358-464358-468349(Top 29%)6245(Top 38%)6245(Top 109%)
FINISH26.22 mi1.02 mi4798-614393-354393-356877(Top 24%)5406(Top 33%)5406(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21
+97ft-345ft

Overall

3744

Males

3572

M18-39

3572

5K→10K

3.1 - 6.2 mi

Top 13%
×5
+79ft-138ft

Overall

3895

Males

3698

M18-39

3698

10K→15K

6.2 - 9.3 mi

Top 13%
×3
+67ft-78ft

Overall

3744

Males

3572

M18-39

3572

15K→20K

9.3 - 12.4 mi

Top 13%
×5
+106ft-86ft

Overall

3653

Males

3481

M18-39

3481

20K→HALF

12.4 - 13.1 mi

Top 13%
×2
+19ft-37ft

Overall

3844

Males

3642

M18-39

3642

HALF→25K

13.1 - 15.5 mi

Top 13%
×4
+66ft-88ft

Overall

3793

Males

3579

M18-39

3579

25K→30K

15.5 - 18.6 mi

Top 17%
×9
+181ft-148ft

Overall

4838

Males

4393

M18-39

4393

30K→20M

18.6 - 20.0 mi

Top 21%
×5
+64ft-50ft

Overall

6062

Males

5283

M18-39

5283

20M→21M

20.0 - 21.0 mi

Top 24%
×8
+106ft-24ft

Overall

6977

Males

5748

M18-39

5748

21M→35K

21.0 - 21.8 mi

Top 19%
×7
+17ft-86ft

Overall

5391

Males

4716

M18-39

4716

35K→23M

21.8 - 23.0 mi

Top 29%
×5
+23ft-63ft

Overall

8419

Males

6544

M18-39

6544

23M→24M

23.0 - 24.0 mi

Top 23%
×6
+12ft-82ft

Overall

6766

Males

5528

M18-39

5528

24M→40K

24.0 - 24.9 mi

Top 22%
×1
+6ft-20ft

Overall

6284

Males

5158

M18-39

5158

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1
+13ft-16ft

Overall

8349

Males

6245

M18-39

6245

25.2M→FINISH

25.2 - 26.2 mi

Top 24%
×2
+22ft-21ft

Overall

6877

Males

5406

M18-39

5406

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1882*
Passed By
1109
Net Change
+723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5521
5K → 10K850*9+841#5521#4680
10K → 15K382*12+370#4680#4310
15K → 20K206*23+183#4310#4127
20K → HALF2210+12#4127#4115
HALF → 25K10927+82#4115#4033
25K → 30K73172-99#4033#4132
30K → 20M43122-79#4132#4211
20M → 21M19140-121#4211#4332
21M → 35K3447-13#4332#4345
35K → 23M30200-220#4345#4565
23M → 24M42103-61#4565#4626
24M → 40K3287-55#4626#4681
40K → 25.2M864-56#4681#4737
25.2M → FINISH3293-61#4737#4798
TOTALS1882*1109+723

* 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...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI Performance Report includes:
  • Fatigue & pacing analysis
  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
Shareable via link — view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

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