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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Xiaohua Zhang

Bib: 23679 •F •Age: N/A

NJ

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
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
26:44
3.11 mi
Rank: #20671
Start → 5K
26:44 | 8:37/mi
10K
52:53
6.21 mi
Rank: #20229 (+442)
5K → 10K
26:09 | 8:26/mi
15K
1:19:53
9.32 mi
Rank: #20555 (-326)
10K → 15K
27:00 | 8:42/mi
20K
1:47:44
12.43 mi
Rank: #20884 (-329)
15K → 20K
27:51 | 8:58/mi
HALF
1:53:42
13.11 mi
Rank: #20923 (-39)
20K → HALF
5:58 | 8:46/mi
25K
2:15:39
15.53 mi
Rank: #20991 (-68)
HALF → 25K
21:57 | 9:04/mi
30K
2:45:14
18.64 mi
Rank: #21134 (-143)
25K → 30K
29:35 | 9:32/mi
20M
2:58:13
20.00 mi
Rank: #21125 (+9)
30K → 20M
12:59 | 9:34/mi
21M
3:09:28
21.00 mi
Rank: #21380 (-255)
20M → 21M
11:15 | 11:15/mi
35K
3:16:08
21.75 mi
Rank: #21314 (+66)
21M → 35K
6:40 | 8:55/mi
23M
3:28:09
23.00 mi
Rank: #21317 (-3)
35K → 23M
12:01 | 9:37/mi
24M
3:37:40
24.00 mi
Rank: #21328 (-11)
23M → 24M
9:31 | 9:31/mi
40K
3:45:43
24.85 mi
Rank: #21294 (+34)
24M → 40K
8:03 | 9:25/mi
25.2M
3:49:10
25.20 mi
Rank: #21275 (+19)
40K → 25.2M
3:27 | 10:01/mi
FINISH
3:58:32
26.22 mi
Rank: #21293 (-18)
25.2M → FINISH
9:22 | 9:12/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
Time1:53:42
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:04:50
Pace9:32 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:0426:448:3726:44
8:37
-
10K
6.21 mi11:56:1352:538:3126:09
8:26
-0:11
15K
9.32 mi12:23:131:19:538:3527:00
8:42
+0:16
20K
12.43 mi12:51:041:47:448:4127:51
8:58
+0:16
HALF
13.11 mi12:57:021:53:428:415:58
8:46
-0:12
25K
15.53 mi13:18:592:15:398:4421:57
9:04
+0:18
30K
18.64 mi13:48:342:45:148:5229:35
9:32
+0:28
20M
20.00 mi14:01:332:58:138:5512:59
9:34
+0:02
21M
21.00 mi14:12:483:09:289:0211:15
11:15
+1:41
35K
21.75 mi14:19:283:16:089:026:40
8:55
-2:20
23M
23.00 mi14:31:293:28:099:0412:01
9:37
+0:42
24M
24.00 mi14:41:003:37:409:059:31
9:31
-0:06
40K
24.85 mi14:49:033:45:439:058:03
9:25
-0:06
25.2M
25.20 mi14:52:303:49:109:063:27
10:01
+0:36
FINISH
26.22 mi15:01:523:58:329:079:22
9:12
-0:49

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

8:26 /mi

Average Pace

9:06 /mi

Slowest Pace

11:15 /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

1:25:51

36% of race

Time at Steady Pace

1:52:59

47% of race

Time at Slower Pace

39:42

17% of race

Average Pace: 9:06 /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 mi11:30:0426:448:3726:44
8:37
#20671
10K
6.21 mi11:56:1352:538:3126:09
8:26
#20229
15K
9.32 mi12:23:131:19:538:3527:00
8:42
#20555
20K
12.43 mi12:51:041:47:448:4127:51
8:58
#20884
HALF
13.11 mi12:57:021:53:428:415:58
8:46
#20923
25K
15.53 mi13:18:592:15:398:4421:57
9:04
#20991
30K
18.64 mi13:48:342:45:148:5229:35
9:32
#21134
20M
20.00 mi14:01:332:58:138:5512:59
9:34
#21125
21M
21.00 mi14:12:483:09:289:0211:15
11:15
#21380
35K
21.75 mi14:19:283:16:089:026:40
8:55
#21314
23M
23.00 mi14:31:293:28:099:0412:01
9:37
#21317
24M
24.00 mi14:41:003:37:409:059:31
9:31
#21328
40K
24.85 mi14:49:033:45:439:058:03
9:25
#21294
25.2M
25.20 mi14:52:303:49:109:063:27
10:01
#21275
FINISH
26.22 mi15:01:523:58:329:079:22
9:12
#21293
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 mi206718000800021152(Top 73%)8215(Top 65%)8215(Top 666%)
10K6.21 mi3.10 mi20229+4427733+2677733+26719897(Top 69%)7541(Top 60%)7541(Top 612%)
15K9.32 mi3.11 mi20555-3267905-1727905-17221152(Top 73%)8215(Top 65%)8215(Top 666%)
20K12.43 mi3.11 mi20884-3298092-1878092-18721776(Top 75%)8545(Top 68%)8545(Top 693%)
HALF13.11 mi0.68 mi20923-398116-248116-2421618(Top 74%)8443(Top 67%)8443(Top 685%)
25K15.53 mi2.42 mi20991-688161-458161-4521408(Top 74%)8373(Top 67%)8373(Top 679%)
30K18.64 mi3.11 mi21134-1438242-818242-8121720(Top 75%)8627(Top 69%)8627(Top 700%)
20M20.00 mi1.36 mi21125+98259-178259-1721295(Top 73%)8498(Top 68%)8498(Top 689%)
21M21.00 mi1.00 mi21380-2558394-1358394-13523650(Top 81%)9779(Top 78%)9779(Top 793%)
35K21.75 mi0.75 mi21314+668371+238371+2319703(Top 68%)7818(Top 62%)7818(Top 634%)
23M23.00 mi1.25 mi21317-38374-38374-320943(Top 72%)8439(Top 67%)8439(Top 684%)
24M24.00 mi1.00 mi21328-118393-198393-1921413(Top 74%)8750(Top 70%)8750(Top 710%)
40K24.85 mi0.85 mi21294+348386+78386+720093(Top 69%)8118(Top 65%)8118(Top 658%)
25.2M25.20 mi0.35 mi21275+198383+38383+319495(Top 67%)7828(Top 62%)7828(Top 635%)
FINISH26.22 mi1.02 mi21293-188405-228405-2221276(Top 73%)8711(Top 69%)8711(Top 706%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21
+97ft-345ft

Overall

21152

Females

8215

F50-54

8215

5K→10K

3.1 - 6.2 mi

Top 69%
×5
+79ft-138ft

Overall

19897

Females

7541

F50-54

7541

10K→15K

6.2 - 9.3 mi

Top 73%
×3
+67ft-78ft

Overall

21152

Females

8215

F50-54

8215

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21776

Females

8545

F50-54

8545

20K→HALF

12.4 - 13.1 mi

Top 74%
×2
+19ft-37ft

Overall

21618

Females

8443

F50-54

8443

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21408

Females

8373

F50-54

8373

25K→30K

15.5 - 18.6 mi

Top 75%
×9
+181ft-148ft

Overall

21720

Females

8627

F50-54

8627

30K→20M

18.6 - 20.0 mi

Top 73%
×5
+64ft-50ft

Overall

21295

Females

8498

F50-54

8498

20M→21M

20.0 - 21.0 mi

Top 81%
×8
+106ft-24ft

Overall

23650

Females

9779

F50-54

9779

21M→35K

21.0 - 21.8 mi

Top 68%
×7
+17ft-86ft

Overall

19703

Females

7818

F50-54

7818

35K→23M

21.8 - 23.0 mi

Top 72%
×5
+23ft-63ft

Overall

20943

Females

8439

F50-54

8439

23M→24M

23.0 - 24.0 mi

Top 74%
×6
+12ft-82ft

Overall

21413

Females

8750

F50-54

8750

24M→40K

24.0 - 24.9 mi

Top 69%
×1
+6ft-20ft

Overall

20093

Females

8118

F50-54

8118

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19495

Females

7828

F50-54

7828

25.2M→FINISH

25.2 - 26.2 mi

Top 73%
×2
+22ft-21ft

Overall

21276

Females

8711

F50-54

8711

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1441*
Passed By
1495
Net Change
-622
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20671
5K → 10K568*126+442#20671#20229
10K → 15K82200-326#20229#20555
15K → 20K93200-329#20555#20884
20K → HALF1554-39#20884#20923
HALF → 25K96164-68#20923#20991
25K → 30K120200-143#20991#21134
30K → 20M9485+9#21134#21125
20M → 21M20200-255#21125#21380
21M → 35K8014+66#21380#21314
35K → 23M7275-3#21314#21317
23M → 24M5364-11#21317#21328
24M → 40K6531+34#21328#21294
40K → 25.2M3314+19#21294#21275
25.2M → FINISH5068-18#21275#21293
TOTALS1441*1495-622

* 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

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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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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