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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Hiu Yung Yam

Bib: 21015 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 45%
Gender (Female)
#0 / 12578
Top 31%
Masters (Masters Women)
#0 / 6862
Top 15%
Age Group (F40-44)
#0 / 1737
Top 34%
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
23:33
3.11 mi
Rank: #13478
Start → 5K
23:33 | 7:35/mi
10K
47:08
6.21 mi
Rank: #13596 (-118)
5K → 10K
23:35 | 7:36/mi
15K
1:10:56
9.32 mi
Rank: #13767 (-171)
10K → 15K
23:48 | 7:40/mi
20K
1:35:00
12.43 mi
Rank: #13809 (-42)
15K → 20K
24:04 | 7:45/mi
HALF
1:40:09
13.11 mi
Rank: #13784 (+25)
20K → HALF
5:09 | 7:34/mi
25K
1:58:54
15.53 mi
Rank: #13684 (+100)
HALF → 25K
18:45 | 7:44/mi
30K
2:23:47
18.64 mi
Rank: #13634 (+50)
25K → 30K
24:53 | 8:01/mi
20M
2:34:24
20.00 mi
Rank: #13447 (+187)
30K → 20M
10:37 | 7:49/mi
21M
2:42:50
21.00 mi
Rank: #13377 (+70)
20M → 21M
8:26 | 8:26/mi
35K
2:48:32
21.75 mi
Rank: #13292 (+85)
21M → 35K
5:42 | 7:38/mi
23M
2:58:32
23.00 mi
Rank: #13220 (+72)
35K → 23M
10:00 | 8:00/mi
24M
3:06:15
24.00 mi
Rank: #13144 (+76)
23M → 24M
7:43 | 7:43/mi
40K
3:13:05
24.85 mi
Rank: #13088 (+56)
24M → 40K
6:50 | 8:00/mi
25.2M
3:16:07
25.20 mi
Rank: #13086 (+2)
40K → 25.2M
3:02 | 8:48/mi
FINISH
3:24:09
26.22 mi
Rank: #13107 (-21)
25.2M → FINISH
8:02 | 7:53/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
Time1:40:09
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:44:00
Pace7:56 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4023:337:3523:33
7:35
-
10K
6.21 mi11:48:1547:087:3623:35
7:36
+0:01
15K
9.32 mi12:12:031:10:567:3723:48
7:40
+0:04
20K
12.43 mi12:36:071:35:007:3924:04
7:45
+0:05
HALF
13.11 mi12:41:161:40:097:395:09
7:34
-0:11
25K
15.53 mi13:00:011:58:547:4018:45
7:44
+0:10
30K
18.64 mi13:24:542:23:477:4324:53
8:01
+0:17
20M
20.00 mi13:35:312:34:247:4410:37
7:49
-0:12
21M
21.00 mi13:43:572:42:507:468:26
8:26
+0:37
35K
21.75 mi13:49:392:48:327:455:42
7:38
-0:48
23M
23.00 mi13:59:392:58:327:4610:00
8:00
+0:22
24M
24.00 mi14:07:223:06:157:467:43
7:43
-0:17
40K
24.85 mi14:14:123:13:057:476:50
8:00
+0:17
25.2M
25.20 mi14:17:143:16:077:473:02
8:48
+0:48
FINISH
26.22 mi14:25:163:24:097:488:02
7:53
-0:55

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

7:34 /mi

Average Pace

7:48 /mi

Slowest Pace

8:48 /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

3:12:41

94% of race

Time at Steady Pace

11:28

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi11:24:4023:337:3523:33
7:35
#13478
10K
6.21 mi11:48:1547:087:3623:35
7:36
#13596
15K
9.32 mi12:12:031:10:567:3723:48
7:40
#13767
20K
12.43 mi12:36:071:35:007:3924:04
7:45
#13809
HALF
13.11 mi12:41:161:40:097:395:09
7:34
#13784
25K
15.53 mi13:00:011:58:547:4018:45
7:44
#13684
30K
18.64 mi13:24:542:23:477:4324:53
8:01
#13634
20M
20.00 mi13:35:312:34:247:4410:37
7:49
#13447
21M
21.00 mi13:43:572:42:507:468:26
8:26
#13377
35K
21.75 mi13:49:392:48:327:455:42
7:38
#13292
23M
23.00 mi13:59:392:58:327:4610:00
8:00
#13220
24M
24.00 mi14:07:223:06:157:467:43
7:43
#13144
40K
24.85 mi14:14:123:13:057:476:50
8:00
#13088
25.2M
25.20 mi14:17:143:16:077:473:02
8:48
#13086
FINISH
26.22 mi14:25:163:24:097:488:02
7:53
#13107
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 mi134783761376114205(Top 49%)4256(Top 34%)4256(Top 245%)
10K6.21 mi3.10 mi13596-1183864-1033864-10313793(Top 48%)3995(Top 32%)3995(Top 230%)
15K9.32 mi3.11 mi13767-1713981-1173981-11714205(Top 49%)4256(Top 34%)4256(Top 245%)
20K12.43 mi3.11 mi13809-424034-534034-5314113(Top 49%)4271(Top 34%)4271(Top 246%)
HALF13.11 mi0.68 mi13784+254020+144020+1413510(Top 47%)3873(Top 31%)3873(Top 223%)
25K15.53 mi2.42 mi13684+1003986+343986+3413314(Top 46%)3908(Top 31%)3908(Top 225%)
30K18.64 mi3.11 mi13634+503990-43990-413544(Top 47%)4148(Top 33%)4148(Top 239%)
20M20.00 mi1.36 mi13447+1873925+653925+6511500(Top 40%)3156(Top 25%)3156(Top 182%)
21M21.00 mi1.00 mi13377+703904+213904+2112718(Top 44%)3903(Top 31%)3903(Top 225%)
35K21.75 mi0.75 mi13292+853875+293875+2911788(Top 41%)3432(Top 27%)3432(Top 198%)
23M23.00 mi1.25 mi13220+723856+193856+1912414(Top 43%)3831(Top 30%)3831(Top 221%)
24M24.00 mi1.00 mi13144+763830+263830+2611707(Top 40%)3553(Top 28%)3553(Top 205%)
40K24.85 mi0.85 mi13088+563821+93821+912468(Top 43%)4037(Top 32%)4037(Top 232%)
25.2M25.20 mi0.35 mi13086+23829-83829-813539(Top 47%)4634(Top 37%)4634(Top 267%)
FINISH26.22 mi1.02 mi13107-213879-503879-5014378(Top 50%)5110(Top 41%)5110(Top 294%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14205

Females

4256

F40-44

4256

5K→10K

3.1 - 6.2 mi

Top 48%
×5
+79ft-138ft

Overall

13793

Females

3995

F40-44

3995

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14205

Females

4256

F40-44

4256

15K→20K

9.3 - 12.4 mi

Top 49%
×5
+106ft-86ft

Overall

14113

Females

4271

F40-44

4271

20K→HALF

12.4 - 13.1 mi

Top 47%
×2
+19ft-37ft

Overall

13510

Females

3873

F40-44

3873

HALF→25K

13.1 - 15.5 mi

Top 46%
×4
+66ft-88ft

Overall

13314

Females

3908

F40-44

3908

25K→30K

15.5 - 18.6 mi

Top 47%
×9
+181ft-148ft

Overall

13544

Females

4148

F40-44

4148

30K→20M

18.6 - 20.0 mi

Top 40%
×5
+64ft-50ft

Overall

11500

Females

3156

F40-44

3156

20M→21M

20.0 - 21.0 mi

Top 44%
×8
+106ft-24ft

Overall

12718

Females

3903

F40-44

3903

21M→35K

21.0 - 21.8 mi

Top 41%
×7
+17ft-86ft

Overall

11788

Females

3432

F40-44

3432

35K→23M

21.8 - 23.0 mi

Top 43%
×5
+23ft-63ft

Overall

12414

Females

3831

F40-44

3831

23M→24M

23.0 - 24.0 mi

Top 40%
×6
+12ft-82ft

Overall

11707

Females

3553

F40-44

3553

24M→40K

24.0 - 24.9 mi

Top 43%
×1
+6ft-20ft

Overall

12468

Females

4037

F40-44

4037

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1
+13ft-16ft

Overall

13539

Females

4634

F40-44

4634

25.2M→FINISH

25.2 - 26.2 mi

Top 50%
×2
+22ft-21ft

Overall

14378

Females

5110

F40-44

5110

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1740*
Passed By
1141
Net Change
+371
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13478
5K → 10K200200-118#13478#13596
10K → 15K139200-171#13596#13767
15K → 20K143185-42#13767#13809
20K → HALF4823+25#13809#13784
HALF → 25K16767+100#13784#13684
25K → 30K211*161+50#13684#13634
30K → 20M20013+187#13634#13447
20M → 21M12050+70#13447#13377
21M → 35K10015+85#13377#13292
35K → 23M12351+72#13292#13220
23M → 24M10327+76#13220#13144
24M → 40K8731+56#13144#13088
40K → 25.2M3230+2#13088#13086
25.2M → FINISH6788-21#13086#13107
TOTALS1740*1141+371

* 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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