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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chen Zou

Bib: 13744 β€’F β€’Age: N/A

NY

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 43%
Masters (Masters Women)
#0 / 6862
Top 28%
Age Group (F50-54)
#0 / 1233
Top 22%
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
22:00
3.11 mi
Rank: #9228
Start β†’ 5K
22:00 | 7:05/mi
10K
44:39
6.21 mi
Rank: #10083 (-855)
5K β†’ 10K
22:39 | 7:18/mi
15K
1:08:30
9.32 mi
Rank: #11502 (-1419)
10K β†’ 15K
23:51 | 7:41/mi
20K
1:34:11
12.43 mi
Rank: #13270 (-1768)
15K β†’ 20K
25:41 | 8:16/mi
HALF
1:39:37
13.11 mi
Rank: #13447 (-177)
20K β†’ HALF
5:26 | 7:59/mi
25K
2:00:17
15.53 mi
Rank: #14450 (-1003)
HALF β†’ 25K
20:40 | 8:32/mi
30K
2:27:51
18.64 mi
Rank: #15447 (-997)
25K β†’ 30K
27:34 | 8:53/mi
20M
2:39:52
20.00 mi
Rank: #15687 (-240)
30K β†’ 20M
12:01 | 8:51/mi
21M
2:49:39
21.00 mi
Rank: #15966 (-279)
20M β†’ 21M
9:47 | 9:47/mi
35K
2:56:15
21.75 mi
Rank: #16075 (-109)
21M β†’ 35K
6:36 | 8:50/mi
23M
3:06:37
23.00 mi
Rank: #15957 (+118)
35K β†’ 23M
10:22 | 8:18/mi
24M
3:14:40
24.00 mi
Rank: #15868 (+89)
23M β†’ 24M
8:03 | 8:03/mi
40K
3:21:43
24.85 mi
Rank: #15785 (+83)
24M β†’ 40K
7:03 | 8:15/mi
25.2M
3:24:54
25.20 mi
Rank: #15780 (+5)
40K β†’ 25.2M
3:11 | 9:14/mi
FINISH
3:32:59
26.22 mi
Rank: #15730 (+50)
25.2M β†’ FINISH
8:05 | 7:56/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:37
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:53:22
Pace8:39 /mi
πŸ“ŠPositive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1922:007:0522:00
7:05
-
10K
6.21 mi11:13:5844:397:1222:39
7:18
+0:13
15K
9.32 mi11:37:491:08:307:2123:51
7:41
+0:23
20K
12.43 mi12:03:301:34:117:3525:41
8:16
+0:35
HALF
13.11 mi12:08:561:39:377:365:26
7:59
-0:17
25K
15.53 mi12:29:362:00:177:4520:40
8:32
+0:33
30K
18.64 mi12:57:102:27:517:5627:34
8:53
+0:21
20M
20.00 mi13:09:112:39:528:0012:01
8:51
-0:02
21M
21.00 mi13:18:582:49:398:059:47
9:47
+0:56
35K
21.75 mi13:25:342:56:158:076:36
8:50
-0:57
23M
23.00 mi13:35:563:06:378:0710:22
8:18
-0:32
24M
24.00 mi13:43:593:14:408:078:03
8:03
-0:15
40K
24.85 mi13:51:023:21:438:077:03
8:15
+0:12
25.2M
25.20 mi13:54:133:24:548:083:11
9:14
+0:59
FINISH
26.22 mi14:02:183:32:598:088:05
7:56
-1:18

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

7:05 /mi

Average Pace

8:08 /mi

Slowest Pace

9:47 /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

1:08:30

32% of race

Time at Steady Pace

1:25:20

40% of race

Time at Slower Pace

59:09

28% of race

Average Pace: 8:07 /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 mi10:51:1922:007:0522:00
7:05
#9228
10K
6.21 mi11:13:5844:397:1222:39
7:18
#10083
15K
9.32 mi11:37:491:08:307:2123:51
7:41
#11502
20K
12.43 mi12:03:301:34:117:3525:41
8:16
#13270
HALF
13.11 mi12:08:561:39:377:365:26
7:59
#13447
25K
15.53 mi12:29:362:00:177:4520:40
8:32
#14450
30K
18.64 mi12:57:102:27:517:5627:34
8:53
#15447
20M
20.00 mi13:09:112:39:528:0012:01
8:51
#15687
21M
21.00 mi13:18:582:49:398:059:47
9:47
#15966
35K
21.75 mi13:25:342:56:158:076:36
8:50
#16075
23M
23.00 mi13:35:563:06:378:0710:22
8:18
#15957
24M
24.00 mi13:43:593:14:408:078:03
8:03
#15868
40K
24.85 mi13:51:023:21:438:077:03
8:15
#15785
25.2M
25.20 mi13:54:133:24:548:083:11
9:14
#15780
FINISH
26.22 mi14:02:183:32:598:088:05
7:56
#15730
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi92281510151014351(Top 49%)4352(Top 35%)4352(Top 353%)
10K6.21 mi3.10 mi10083-8551939-4291939-42911088(Top 38%)2483(Top 20%)2483(Top 201%)
15K9.32 mi3.11 mi11502-14192698-7592698-75914351(Top 49%)4352(Top 35%)4352(Top 353%)
20K12.43 mi3.11 mi13270-17683729-10313729-103117903(Top 62%)6457(Top 51%)6457(Top 524%)
HALF13.11 mi0.68 mi13447-1773824-953824-9516930(Top 58%)5870(Top 47%)5870(Top 476%)
25K15.53 mi2.42 mi14450-10034433-6094433-60918703(Top 64%)6960(Top 55%)6960(Top 564%)
30K18.64 mi3.11 mi15447-9975069-6365069-63618938(Top 65%)7175(Top 57%)7175(Top 582%)
20M20.00 mi1.36 mi15687-2405233-1645233-16418200(Top 63%)6866(Top 55%)6866(Top 557%)
21M21.00 mi1.00 mi15966-2795418-1855418-18519693(Top 68%)7686(Top 61%)7686(Top 623%)
35K21.75 mi0.75 mi16075-1095505-875505-8719251(Top 66%)7565(Top 60%)7565(Top 614%)
23M23.00 mi1.25 mi15957+1185465+405465+4014380(Top 50%)4926(Top 39%)4926(Top 400%)
24M24.00 mi1.00 mi15868+895420+455420+4514145(Top 49%)4882(Top 39%)4882(Top 396%)
40K24.85 mi0.85 mi15785+835388+325388+3214130(Top 49%)4957(Top 39%)4957(Top 402%)
25.2M25.20 mi0.35 mi15780+55395-75395-715999(Top 55%)5953(Top 47%)5953(Top 483%)
FINISH26.22 mi1.02 mi15730+505391+45391+414765(Top 51%)5318(Top 42%)5318(Top 431%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
Γ—21
+97ft-345ft

Overall

14351

Females

4352

F50-54

4352

5K→10K

3.1 - 6.2 mi

Top 38%
Γ—5
+79ft-138ft

Overall

11088

Females

2483

F50-54

2483

10K→15K

6.2 - 9.3 mi

Top 49%
Γ—3
+67ft-78ft

Overall

14351

Females

4352

F50-54

4352

15K→20K

9.3 - 12.4 mi

Top 62%
Γ—5
+106ft-86ft

Overall

17903

Females

6457

F50-54

6457

20K→HALF

12.4 - 13.1 mi

Top 58%
Γ—2
+19ft-37ft

Overall

16930

Females

5870

F50-54

5870

HALF→25K

13.1 - 15.5 mi

Top 64%
Γ—4
+66ft-88ft

Overall

18703

Females

6960

F50-54

6960

25K→30K

15.5 - 18.6 mi

Top 65%
Γ—9
+181ft-148ft

Overall

18938

Females

7175

F50-54

7175

30K→20M

18.6 - 20.0 mi

Top 63%
Γ—5
+64ft-50ft

Overall

18200

Females

6866

F50-54

6866

20M→21M

20.0 - 21.0 mi

Top 68%
Γ—8
+106ft-24ft

Overall

19693

Females

7686

F50-54

7686

21M→35K

21.0 - 21.8 mi

Top 66%
Γ—7
+17ft-86ft

Overall

19251

Females

7565

F50-54

7565

35K→23M

21.8 - 23.0 mi

Top 50%
Γ—5
+23ft-63ft

Overall

14380

Females

4926

F50-54

4926

23M→24M

23.0 - 24.0 mi

Top 49%
Γ—6
+12ft-82ft

Overall

14145

Females

4882

F50-54

4882

24M→40K

24.0 - 24.9 mi

Top 49%
Γ—1
+6ft-20ft

Overall

14130

Females

4957

F50-54

4957

40K→25.2M

24.9 - 25.2 mi

Top 55%
Γ—1
+13ft-16ft

Overall

15999

Females

5953

F50-54

5953

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
Γ—2
+22ft-21ft

Overall

14765

Females

5318

F50-54

5318

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
750
Passed By
1878
Net Change
-6502
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#9228
5K β†’ 10K38200-855#9228#10083
10K β†’ 15K13200-1419#10083#11502
15K β†’ 20K6200-1768#11502#13270
20K β†’ HALF6183-177#13270#13447
HALF β†’ 25K22200-1003#13447#14450
25K β†’ 30K43200-997#14450#15447
30K β†’ 20M49200-240#15447#15687
20M β†’ 21M42200-279#15687#15966
21M β†’ 35K39148-109#15966#16075
35K β†’ 23M15941+118#16075#15957
23M β†’ 24M11223+89#15957#15868
24M β†’ 40K10825+83#15868#15785
40K β†’ 25.2M3227+5#15785#15780
25.2M β†’ FINISH8131+50#15780#15730
TOTALS7501878-6502
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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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