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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chiou-Ping Chen

Bib: 23057 •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
Age Group (F45-49)
#0 / 1786
Race Day Weather
51°/41°F
overcast clouds
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Race Performance Report

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  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
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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
26:37
3.11 mi
Rank: #20466
Start → 5K
26:37 | 8:35/mi
10K
54:27
6.21 mi
Rank: #21655 (-1189)
5K → 10K
27:50 | 8:58/mi
15K
1:23:21
9.32 mi
Rank: #22478 (-823)
10K → 15K
28:54 | 9:19/mi
20K
1:53:35
12.43 mi
Rank: #23113 (-635)
15K → 20K
30:14 | 9:44/mi
HALF
2:00:35
13.11 mi
Rank: #23363 (-250)
20K → HALF
7:00 | 10:17/mi
25K
2:24:48
15.53 mi
Rank: #23519 (-156)
HALF → 25K
24:13 | 10:00/mi
30K
2:58:06
18.64 mi
Rank: #23786 (-267)
25K → 30K
33:18 | 10:44/mi
20M
3:12:55
20.00 mi
Rank: #23858 (-72)
30K → 20M
14:49 | 10:55/mi
21M
3:23:52
21.00 mi
Rank: #23788 (+70)
20M → 21M
10:57 | 10:57/mi
35K
3:31:32
21.75 mi
Rank: #23777 (+11)
21M → 35K
7:40 | 10:15/mi
23M
3:48:58
23.00 mi
Rank: #24290 (-513)
35K → 23M
17:26 | 13:56/mi
24M
4:01:18
24.00 mi
Rank: #24467 (-177)
23M → 24M
12:20 | 12:20/mi
40K
4:11:55
24.85 mi
Rank: #24568 (-101)
24M → 40K
10:37 | 12:26/mi
25.2M
4:16:19
25.20 mi
Rank: #24605 (-37)
40K → 25.2M
4:24 | 12:46/mi
FINISH
4:26:41
26.22 mi
Rank: #24598 (+7)
25.2M → FINISH
10:22 | 10:11/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:00:35
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:26:06
Pace11:09 /mi
📊Positive Split: 21.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:0926:378:3526:37
8:35
-
10K
6.21 mi11:56:5954:278:4627:50
8:58
+0:23
15K
9.32 mi12:25:531:23:218:5728:54
9:19
+0:21
20K
12.43 mi12:56:071:53:359:0930:14
9:44
+0:25
HALF
13.11 mi13:03:072:00:359:127:00
10:17
+0:33
25K
15.53 mi13:27:202:24:489:2024:13
10:00
-0:17
30K
18.64 mi14:00:382:58:069:3433:18
10:44
+0:44
20M
20.00 mi14:15:273:12:559:3914:49
10:55
+0:11
21M
21.00 mi14:26:243:23:529:4310:57
10:57
+0:02
35K
21.75 mi14:34:043:31:329:447:40
10:15
-0:42
23M
23.00 mi14:51:303:48:589:5817:26
13:56
+3:41
24M
24.00 mi15:03:504:01:1810:0412:20
12:20
-1:36
40K
24.85 mi15:14:274:11:5510:0910:37
12:26
+0:06
25.2M
25.20 mi15:18:514:16:1910:114:24
12:46
+0:20
FINISH
26.22 mi15:29:134:26:4110:1110:22
10:11
-2:35

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

8:35 /mi

Average Pace

10:11 /mi

Slowest Pace

13:56 /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

1:23:21

31% of race

Time at Steady Pace

2:18:33

52% of race

Time at Slower Pace

44:47

17% of race

Average Pace: 10:10 /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 mi11:29:0926:378:3526:37
8:35
#20466
10K
6.21 mi11:56:5954:278:4627:50
8:58
#21655
15K
9.32 mi12:25:531:23:218:5728:54
9:19
#22478
20K
12.43 mi12:56:071:53:359:0930:14
9:44
#23113
HALF
13.11 mi13:03:072:00:359:127:00
10:17
#23363
25K
15.53 mi13:27:202:24:489:2024:13
10:00
#23519
30K
18.64 mi14:00:382:58:069:3433:18
10:44
#23786
20M
20.00 mi14:15:273:12:559:3914:49
10:55
#23858
21M
21.00 mi14:26:243:23:529:4310:57
10:57
#23788
35K
21.75 mi14:34:043:31:329:447:40
10:15
#23777
23M
23.00 mi14:51:303:48:589:5817:26
13:56
#24290
24M
24.00 mi15:03:504:01:1810:0412:20
12:20
#24467
40K
24.85 mi15:14:274:11:5510:0910:37
12:26
#24568
25.2M
25.20 mi15:18:514:16:1910:114:24
12:46
#24605
FINISH
26.22 mi15:29:134:26:4110:1110:22
10:11
#24598
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi204667899789923856(Top 82%)9583(Top 76%)9583(Top 537%)
10K6.21 mi3.10 mi21655-11898496-5978496-59722679(Top 78%)8989(Top 71%)8989(Top 503%)
15K9.32 mi3.11 mi22478-8238899-4038899-40323856(Top 82%)9583(Top 76%)9583(Top 537%)
20K12.43 mi3.11 mi23113-6359225-3269225-32624390(Top 84%)9876(Top 79%)9876(Top 553%)
HALF13.11 mi0.68 mi23363-2509346-1219346-12126223(Top 90%)10881(Top 87%)10881(Top 609%)
25K15.53 mi2.42 mi23519-1569436-909436-9024279(Top 84%)9858(Top 78%)9858(Top 552%)
30K18.64 mi3.11 mi23786-2679583-1479583-14724761(Top 85%)10250(Top 81%)10250(Top 574%)
20M20.00 mi1.36 mi23858-729637-549637-5424746(Top 85%)10309(Top 82%)10309(Top 577%)
21M21.00 mi1.00 mi23788+709612+259612+2523011(Top 79%)9431(Top 75%)9431(Top 528%)
35K21.75 mi0.75 mi23777+119618-69618-623777(Top 82%)9871(Top 78%)9871(Top 553%)
23M23.00 mi1.25 mi24290-5139907-2899907-28928094(Top 97%)12139(Top 97%)12139(Top 680%)
24M24.00 mi1.00 mi24467-17710018-11110018-11127016(Top 93%)11625(Top 92%)11625(Top 651%)
40K24.85 mi0.85 mi24568-10110081-6310081-6326430(Top 91%)11358(Top 90%)11358(Top 636%)
25.2M25.20 mi0.35 mi24605-3710111-3010111-3025742(Top 89%)10990(Top 87%)10990(Top 615%)
FINISH26.22 mi1.02 mi24598+710121-1010121-1024302(Top 84%)10276(Top 82%)10276(Top 575%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21
+97ft-345ft

Overall

23856

Females

9583

F45-49

9583

5K→10K

3.1 - 6.2 mi

Top 78%
×5
+79ft-138ft

Overall

22679

Females

8989

F45-49

8989

10K→15K

6.2 - 9.3 mi

Top 82%
×3
+67ft-78ft

Overall

23856

Females

9583

F45-49

9583

15K→20K

9.3 - 12.4 mi

Top 84%
×5
+106ft-86ft

Overall

24390

Females

9876

F45-49

9876

20K→HALF

12.4 - 13.1 mi

Top 90%
×2
+19ft-37ft

Overall

26223

Females

10881

F45-49

10881

HALF→25K

13.1 - 15.5 mi

Top 84%
×4
+66ft-88ft

Overall

24279

Females

9858

F45-49

9858

25K→30K

15.5 - 18.6 mi

Top 85%
×9
+181ft-148ft

Overall

24761

Females

10250

F45-49

10250

30K→20M

18.6 - 20.0 mi

Top 85%
×5
+64ft-50ft

Overall

24746

Females

10309

F45-49

10309

20M→21M

20.0 - 21.0 mi

Top 79%
×8
+106ft-24ft

Overall

23011

Females

9431

F45-49

9431

21M→35K

21.0 - 21.8 mi

Top 82%
×7
+17ft-86ft

Overall

23777

Females

9871

F45-49

9871

35K→23M

21.8 - 23.0 mi

Top 97%
×5
+23ft-63ft

Overall

28094

Females

12139

F45-49

12139

23M→24M

23.0 - 24.0 mi

Top 93%
×6
+12ft-82ft

Overall

27016

Females

11625

F45-49

11625

24M→40K

24.0 - 24.9 mi

Top 91%
×1
+6ft-20ft

Overall

26430

Females

11358

F45-49

11358

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1
+13ft-16ft

Overall

25742

Females

10990

F45-49

10990

25.2M→FINISH

25.2 - 26.2 mi

Top 84%
×2
+22ft-21ft

Overall

24302

Females

10276

F45-49

10276

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
545
Passed By
1991
Net Change
-4132
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20466
5K → 10K30200-1189#20466#21655
10K → 15K24200-823#21655#22478
15K → 20K48200-635#22478#23113
20K → HALF1200-250#23113#23363
HALF → 25K74200-156#23363#23519
25K → 30K68200-267#23519#23786
30K → 20M46118-72#23786#23858
20M → 21M10737+70#23858#23788
21M → 35K4534+11#23788#23777
35K → 23M8200-513#23777#24290
23M → 24M14191-177#24290#24467
24M → 40K22123-101#24467#24568
40K → 25.2M845-37#24568#24605
25.2M → FINISH5043+7#24605#24598
TOTALS5451991-4132
📊

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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Activity Data

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