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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Wan Ying Chow

Bib: 20745 •F •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 49%
Age Group (F40-44)
#0 / 1737
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
25:55
3.11 mi
Rank: #19153
Start → 5K
25:55 | 8:21/mi
10K
51:57
6.21 mi
Rank: #19390 (-237)
5K → 10K
26:02 | 8:23/mi
15K
1:17:50
9.32 mi
Rank: #19297 (+93)
10K → 15K
25:53 | 8:20/mi
20K
1:43:55
12.43 mi
Rank: #19151 (+146)
15K → 20K
26:05 | 8:24/mi
HALF
1:49:26
13.11 mi
Rank: #19077 (+74)
20K → HALF
5:31 | 8:06/mi
25K
2:10:19
15.53 mi
Rank: #19103 (-26)
HALF → 25K
20:53 | 8:37/mi
30K
2:37:54
18.64 mi
Rank: #19018 (+85)
25K → 30K
27:35 | 8:53/mi
20M
2:50:30
20.00 mi
Rank: #19140 (-122)
30K → 20M
12:36 | 9:17/mi
21M
2:59:54
21.00 mi
Rank: #19065 (+75)
20M → 21M
9:24 | 9:24/mi
35K
3:06:25
21.75 mi
Rank: #19044 (+21)
21M → 35K
6:31 | 8:43/mi
23M
3:17:38
23.00 mi
Rank: #18976 (+68)
35K → 23M
11:13 | 8:58/mi
24M
3:26:27
24.00 mi
Rank: #18963 (+13)
23M → 24M
8:49 | 8:49/mi
40K
3:34:06
24.85 mi
Rank: #18918 (+45)
24M → 40K
7:39 | 8:57/mi
25.2M
3:37:32
25.20 mi
Rank: #18936 (-18)
40K → 25.2M
3:26 | 9:58/mi
FINISH
3:46:52
26.22 mi
Rank: #19049 (-113)
25.2M → FINISH
9:20 | 9:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:26
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:57:26
Pace8:58 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:2225:558:2125:55
8:21
-
10K
6.21 mi11:38:2451:578:2226:02
8:23
+0:02
15K
9.32 mi12:04:171:17:508:2225:53
8:20
-0:03
20K
12.43 mi12:30:221:43:558:2226:05
8:24
+0:04
HALF
13.11 mi12:35:531:49:268:215:31
8:06
-0:18
25K
15.53 mi12:56:462:10:198:2420:53
8:37
+0:31
30K
18.64 mi13:24:212:37:548:2927:35
8:53
+0:16
20M
20.00 mi13:36:572:50:308:3212:36
9:17
+0:24
21M
21.00 mi13:46:212:59:548:359:24
9:24
+0:07
35K
21.75 mi13:52:523:06:258:356:31
8:43
-0:41
23M
23.00 mi14:04:053:17:388:3611:13
8:58
+0:15
24M
24.00 mi14:12:543:26:278:378:49
8:49
-0:09
40K
24.85 mi14:20:333:34:068:377:39
8:57
+0:08
25.2M
25.20 mi14:23:593:37:328:383:26
9:58
+1:01
FINISH
26.22 mi14:33:193:46:528:409:20
9:10
-0:48

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

8:06 /mi

Average Pace

8:40 /mi

Slowest Pace

9:58 /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

1:49:26

48% of race

Time at Steady Pace

1:22:40

36% of race

Time at Slower Pace

34:46

15% of race

Average Pace: 8:39 /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 mi11:12:2225:558:2125:55
8:21
#19153
10K
6.21 mi11:38:2451:578:2226:02
8:23
#19390
15K
9.32 mi12:04:171:17:508:2225:53
8:20
#19297
20K
12.43 mi12:30:221:43:558:2226:05
8:24
#19151
HALF
13.11 mi12:35:531:49:268:215:31
8:06
#19077
25K
15.53 mi12:56:462:10:198:2420:53
8:37
#19103
30K
18.64 mi13:24:212:37:548:2927:35
8:53
#19018
20M
20.00 mi13:36:572:50:308:3212:36
9:17
#19140
21M
21.00 mi13:46:212:59:548:359:24
9:24
#19065
35K
21.75 mi13:52:523:06:258:356:31
8:43
#19044
23M
23.00 mi14:04:053:17:388:3611:13
8:58
#18976
24M
24.00 mi14:12:543:26:278:378:49
8:49
#18963
40K
24.85 mi14:20:333:34:068:377:39
8:57
#18918
25.2M
25.20 mi14:23:593:37:328:383:26
9:58
#18936
FINISH
26.22 mi14:33:193:46:528:409:20
9:10
#19049
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi191537172717219171(Top 66%)7135(Top 57%)7135(Top 411%)
10K6.21 mi3.10 mi19390-2377286-1147286-11419663(Top 68%)7412(Top 59%)7412(Top 427%)
15K9.32 mi3.11 mi19297+937218+687218+6819171(Top 66%)7135(Top 57%)7135(Top 411%)
20K12.43 mi3.11 mi19151+1467142+767142+7618701(Top 64%)6912(Top 55%)6912(Top 398%)
HALF13.11 mi0.68 mi19077+747099+437099+4317803(Top 61%)6380(Top 51%)6380(Top 367%)
25K15.53 mi2.42 mi19103-267131-327131-3219248(Top 66%)7264(Top 58%)7264(Top 418%)
30K18.64 mi3.11 mi19018+857118+137118+1318974(Top 65%)7198(Top 57%)7198(Top 414%)
20M20.00 mi1.36 mi19140-1227196-787196-7820194(Top 70%)7908(Top 63%)7908(Top 455%)
21M21.00 mi1.00 mi19065+757170+267170+2618094(Top 62%)6845(Top 54%)6845(Top 394%)
35K21.75 mi0.75 mi19044+217169+17169+118699(Top 64%)7257(Top 58%)7257(Top 418%)
23M23.00 mi1.25 mi18976+687153+167153+1618341(Top 63%)7134(Top 57%)7134(Top 411%)
24M24.00 mi1.00 mi18963+137169-167169-1618632(Top 64%)7312(Top 58%)7312(Top 421%)
40K24.85 mi0.85 mi18918+457164+57164+518166(Top 63%)7136(Top 57%)7136(Top 411%)
25.2M25.20 mi0.35 mi18936-187182-187182-1819282(Top 66%)7705(Top 61%)7705(Top 444%)
FINISH26.22 mi1.02 mi19049-1137258-767258-7621153(Top 73%)8649(Top 69%)8649(Top 498%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19171

Females

7135

F40-44

7135

5K→10K

3.1 - 6.2 mi

Top 68%
×5
+79ft-138ft

Overall

19663

Females

7412

F40-44

7412

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19171

Females

7135

F40-44

7135

15K→20K

9.3 - 12.4 mi

Top 64%
×5
+106ft-86ft

Overall

18701

Females

6912

F40-44

6912

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17803

Females

6380

F40-44

6380

HALF→25K

13.1 - 15.5 mi

Top 66%
×4
+66ft-88ft

Overall

19248

Females

7264

F40-44

7264

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18974

Females

7198

F40-44

7198

30K→20M

18.6 - 20.0 mi

Top 70%
×5
+64ft-50ft

Overall

20194

Females

7908

F40-44

7908

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

18094

Females

6845

F40-44

6845

21M→35K

21.0 - 21.8 mi

Top 64%
×7
+17ft-86ft

Overall

18699

Females

7257

F40-44

7257

35K→23M

21.8 - 23.0 mi

Top 63%
×5
+23ft-63ft

Overall

18341

Females

7134

F40-44

7134

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18632

Females

7312

F40-44

7312

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18166

Females

7136

F40-44

7136

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1
+13ft-16ft

Overall

19282

Females

7705

F40-44

7705

25.2M→FINISH

25.2 - 26.2 mi

Top 73%
×2
+22ft-21ft

Overall

21153

Females

8649

F40-44

8649

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1609*
Passed By
1309
Net Change
+104
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19153
5K → 10K159200-237#19153#19390
10K → 15K228*135+93#19390#19297
15K → 20K227*81+146#19297#19151
20K → HALF784+74#19151#19077
HALF → 25K111137-26#19077#19103
25K → 30K238*153+85#19103#19018
30K → 20M61183-122#19018#19140
20M → 21M11540+75#19140#19065
21M → 35K6544+21#19065#19044
35K → 23M11850+68#19044#18976
23M → 24M6956+13#18976#18963
24M → 40K8439+45#18963#18918
40K → 25.2M2139-18#18918#18936
25.2M → FINISH35148-113#18936#19049
TOTALS1609*1309+104

* 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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