All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Changjun Mu

Bib: 2138 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
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
23:19
3.11 mi
Rank: #12814
Start → 5K
23:19 | 7:31/mi
10K
47:03
6.21 mi
Rank: #13478 (-664)
5K → 10K
23:44 | 7:39/mi
15K
1:11:16
9.32 mi
Rank: #14048 (-570)
10K → 15K
24:13 | 7:48/mi
20K
1:36:05
12.43 mi
Rank: #14576 (-528)
15K → 20K
24:49 | 8:00/mi
HALF
1:41:10
13.11 mi
Rank: #14475 (+101)
20K → HALF
5:05 | 7:28/mi
25K
2:01:12
15.53 mi
Rank: #14954 (-479)
HALF → 25K
20:02 | 8:16/mi
30K
2:28:48
18.64 mi
Rank: #15849 (-895)
25K → 30K
27:36 | 8:54/mi
20M
2:40:53
20.00 mi
Rank: #16087 (-238)
30K → 20M
12:05 | 8:54/mi
21M
2:50:22
21.00 mi
Rank: #16195 (-108)
20M → 21M
9:29 | 9:29/mi
35K
2:56:55
21.75 mi
Rank: #16284 (-89)
21M → 35K
6:33 | 8:46/mi
23M
3:08:00
23.00 mi
Rank: #16362 (-78)
35K → 23M
11:05 | 8:52/mi
24M
3:16:42
24.00 mi
Rank: #16434 (-72)
23M → 24M
8:42 | 8:42/mi
40K
3:24:34
24.85 mi
Rank: #16545 (-111)
24M → 40K
7:52 | 9:13/mi
25.2M
3:27:56
25.20 mi
Rank: #16591 (-46)
40K → 25.2M
3:22 | 9:46/mi
FINISH
3:36:38
26.22 mi
Rank: #16640 (-49)
25.2M → FINISH
8:42 | 8:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:10
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:55:28
Pace8:49 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:4123:197:3123:19
7:31
-
10K
6.21 mi11:02:2547:037:3523:44
7:39
+0:08
15K
9.32 mi11:26:381:11:167:3924:13
7:48
+0:09
20K
12.43 mi11:51:271:36:057:4424:49
8:00
+0:12
HALF
13.11 mi11:56:321:41:107:445:05
7:28
-0:32
25K
15.53 mi12:16:342:01:127:4920:02
8:16
+0:48
30K
18.64 mi12:44:102:28:487:5927:36
8:54
+0:38
20M
20.00 mi12:56:152:40:538:0312:05
8:54
0:00
21M
21.00 mi13:05:442:50:228:079:29
9:29
+0:35
35K
21.75 mi13:12:172:56:558:096:33
8:46
-0:43
23M
23.00 mi13:23:223:08:008:1111:05
8:52
+0:06
24M
24.00 mi13:32:043:16:428:128:42
8:42
-0:10
40K
24.85 mi13:39:563:24:348:147:52
9:13
+0:31
25.2M
25.20 mi13:43:183:27:568:163:22
9:46
+0:33
FINISH
26.22 mi13:52:003:36:388:178:42
8:33
-1:13

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

7:28 /mi

Average Pace

8:16 /mi

Slowest Pace

9:46 /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

2:01:12

56% of race

Time at Steady Pace

1:14:43

34% of race

Time at Slower Pace

20:43

10% of race

Average Pace: 8:16 /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 mi10:38:4123:197:3123:19
7:31
#12814
10K
6.21 mi11:02:2547:037:3523:44
7:39
#13478
15K
9.32 mi11:26:381:11:167:3924:13
7:48
#14048
20K
12.43 mi11:51:271:36:057:4424:49
8:00
#14576
HALF
13.11 mi11:56:321:41:107:445:05
7:28
#14475
25K
15.53 mi12:16:342:01:127:4920:02
8:16
#14954
30K
18.64 mi12:44:102:28:487:5927:36
8:54
#15849
20M
20.00 mi12:56:152:40:538:0312:05
8:54
#16087
21M
21.00 mi13:05:442:50:228:079:29
9:29
#16195
35K
21.75 mi13:12:172:56:558:096:33
8:46
#16284
23M
23.00 mi13:23:223:08:008:1111:05
8:52
#16362
24M
24.00 mi13:32:043:16:428:128:42
8:42
#16434
40K
24.85 mi13:39:563:24:348:147:52
9:13
#16545
25.2M
25.20 mi13:43:183:27:568:163:22
9:46
#16591
FINISH
26.22 mi13:52:003:36:388:178:42
8:33
#16640
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 mi128149390939015297(Top 53%)10312(Top 63%)10312(Top 180%)
10K6.21 mi3.10 mi13478-6649633-2439633-24314218(Top 49%)9918(Top 61%)9918(Top 173%)
15K9.32 mi3.11 mi14048-5709839-2069839-20615297(Top 53%)10312(Top 63%)10312(Top 180%)
20K12.43 mi3.11 mi14576-52810048-20910048-20916019(Top 55%)10565(Top 65%)10565(Top 185%)
HALF13.11 mi0.68 mi14475+10110005+4310005+4312631(Top 44%)9225(Top 56%)9225(Top 161%)
25K15.53 mi2.42 mi14954-47910175-17010175-17017183(Top 59%)11018(Top 67%)11018(Top 193%)
30K18.64 mi3.11 mi15849-89510466-29110466-29118981(Top 65%)11702(Top 72%)11702(Top 204%)
20M20.00 mi1.36 mi16087-23810549-8310549-8318426(Top 63%)11360(Top 70%)11360(Top 198%)
21M21.00 mi1.00 mi16195-10810569-2010569-2018411(Top 63%)11321(Top 69%)11321(Top 198%)
35K21.75 mi0.75 mi16284-8910598-2910598-2918850(Top 65%)11434(Top 70%)11434(Top 200%)
23M23.00 mi1.25 mi16362-7810616-1810616-1817745(Top 61%)10849(Top 66%)10849(Top 190%)
24M24.00 mi1.00 mi16434-7210626-1010626-1017985(Top 62%)10933(Top 67%)10933(Top 191%)
40K24.85 mi0.85 mi16545-11110657-3110657-3119263(Top 66%)11482(Top 70%)11482(Top 201%)
25.2M25.20 mi0.35 mi16591-4610664-710664-718419(Top 63%)11079(Top 68%)11079(Top 194%)
FINISH26.22 mi1.02 mi16640-4910670-610670-618331(Top 63%)11043(Top 68%)11043(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15297

Males

10312

M18-39

10312

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14218

Males

9918

M18-39

9918

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15297

Males

10312

M18-39

10312

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

16019

Males

10565

M18-39

10565

20K→HALF

12.4 - 13.1 mi

Top 44%
×2
+19ft-37ft

Overall

12631

Males

9225

M18-39

9225

HALF→25K

13.1 - 15.5 mi

Top 59%
×4
+66ft-88ft

Overall

17183

Males

11018

M18-39

11018

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18981

Males

11702

M18-39

11702

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18426

Males

11360

M18-39

11360

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18411

Males

11321

M18-39

11321

21M→35K

21.0 - 21.8 mi

Top 65%
×7
+17ft-86ft

Overall

18850

Males

11434

M18-39

11434

35K→23M

21.8 - 23.0 mi

Top 61%
×5
+23ft-63ft

Overall

17745

Males

10849

M18-39

10849

23M→24M

23.0 - 24.0 mi

Top 62%
×6
+12ft-82ft

Overall

17985

Males

10933

M18-39

10933

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19263

Males

11482

M18-39

11482

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1
+13ft-16ft

Overall

18419

Males

11079

M18-39

11079

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
×2
+22ft-21ft

Overall

18331

Males

11043

M18-39

11043

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
787
Passed By
2091
Net Change
-3826
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12814
5K → 10K81200-664#12814#13478
10K → 15K65200-570#13478#14048
15K → 20K61200-528#14048#14576
20K → HALF1043+101#14576#14475
HALF → 25K52200-479#14475#14954
25K → 30K53200-895#14954#15849
30K → 20M36200-238#15849#16087
20M → 21M64172-108#16087#16195
21M → 35K37126-89#16195#16284
35K → 23M71149-78#16284#16362
23M → 24M51123-72#16362#16434
24M → 40K39150-111#16434#16545
40K → 25.2M2369-46#16545#16591
25.2M → FINISH5099-49#16591#16640
TOTALS7872091-3826
📊

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...

AI Key Insights

Powered by MyRace AI

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