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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chia Yun Chen

Bib: 17706 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 37%
Masters (Masters Women)
#0 / 6862
Top 22%
Age Group (F45-49)
#0 / 1786
Top 24%
Race Day Weather
51°/41°F
overcast clouds
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  • Segment-by-segment breakdown
  • Personalized race insights
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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
23:49
3.11 mi
Rank: #14261
Start → 5K
23:49 | 7:40/mi
10K
47:36
6.21 mi
Rank: #14271 (-10)
5K → 10K
23:47 | 7:40/mi
15K
1:11:14
9.32 mi
Rank: #14022 (+249)
10K → 15K
23:38 | 7:37/mi
20K
1:35:18
12.43 mi
Rank: #14032 (-10)
15K → 20K
24:04 | 7:45/mi
HALF
1:40:32
13.11 mi
Rank: #14042 (-10)
20K → HALF
5:14 | 7:41/mi
25K
1:59:33
15.53 mi
Rank: #14031 (+11)
HALF → 25K
19:01 | 7:51/mi
30K
2:24:44
18.64 mi
Rank: #14052 (-21)
25K → 30K
25:11 | 8:07/mi
20M
2:35:36
20.00 mi
Rank: #13919 (+133)
30K → 20M
10:52 | 8:01/mi
21M
2:44:19
21.00 mi
Rank: #13938 (-19)
20M → 21M
8:43 | 8:43/mi
35K
2:50:14
21.75 mi
Rank: #13925 (+13)
21M → 35K
5:55 | 7:55/mi
23M
3:00:36
23.00 mi
Rank: #13939 (-14)
35K → 23M
10:22 | 8:18/mi
24M
3:08:56
24.00 mi
Rank: #14027 (-88)
23M → 24M
8:20 | 8:20/mi
40K
3:16:28
24.85 mi
Rank: #14172 (-145)
24M → 40K
7:32 | 8:49/mi
25.2M
3:19:56
25.20 mi
Rank: #14313 (-141)
40K → 25.2M
3:28 | 10:04/mi
FINISH
3:28:42
26.22 mi
Rank: #14543 (-230)
25.2M → FINISH
8:46 | 8:37/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:32
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:48:10
Pace8:16 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:4323:497:4023:49
7:40
-
10K
6.21 mi11:29:3047:367:4023:47
7:40
0:00
15K
9.32 mi11:53:081:11:147:3923:38
7:37
-0:03
20K
12.43 mi12:17:121:35:187:4124:04
7:45
+0:08
HALF
13.11 mi12:22:261:40:327:415:14
7:41
-0:04
25K
15.53 mi12:41:271:59:337:4219:01
7:51
+0:10
30K
18.64 mi13:06:382:24:447:4625:11
8:07
+0:16
20M
20.00 mi13:17:302:35:367:4710:52
8:01
-0:06
21M
21.00 mi13:26:132:44:197:508:43
8:43
+0:42
35K
21.75 mi13:32:082:50:147:505:55
7:55
-0:48
23M
23.00 mi13:42:303:00:367:5210:22
8:18
+0:23
24M
24.00 mi13:50:503:08:567:538:20
8:20
+0:02
40K
24.85 mi13:58:223:16:287:557:32
8:49
+0:29
25.2M
25.20 mi14:01:503:19:567:573:28
10:04
+1:15
FINISH
26.22 mi14:10:363:28:427:588:46
8:37
-1:27

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

7:37 /mi

Average Pace

7:58 /mi

Slowest Pace

10:04 /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

1:16:28

37% of race

Time at Steady Pace

1:35:25

46% of race

Time at Slower Pace

36:49

18% of race

Average Pace: 7:58 /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 mi11:05:4323:497:4023:49
7:40
#14261
10K
6.21 mi11:29:3047:367:4023:47
7:40
#14271
15K
9.32 mi11:53:081:11:147:3923:38
7:37
#14022
20K
12.43 mi12:17:121:35:187:4124:04
7:45
#14032
HALF
13.11 mi12:22:261:40:327:415:14
7:41
#14042
25K
15.53 mi12:41:271:59:337:4219:01
7:51
#14031
30K
18.64 mi13:06:382:24:447:4625:11
8:07
#14052
20M
20.00 mi13:17:302:35:367:4710:52
8:01
#13919
21M
21.00 mi13:26:132:44:197:508:43
8:43
#13938
35K
21.75 mi13:32:082:50:147:505:55
7:55
#13925
23M
23.00 mi13:42:303:00:367:5210:22
8:18
#13939
24M
24.00 mi13:50:503:08:567:538:20
8:20
#14027
40K
24.85 mi13:58:223:16:287:557:32
8:49
#14172
25.2M
25.20 mi14:01:503:19:567:573:28
10:04
#14313
FINISH
26.22 mi14:10:363:28:427:588:46
8:37
#14543
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 mi142614236423613743(Top 47%)4004(Top 32%)4004(Top 224%)
10K6.21 mi3.10 mi14271-104256-204256-2014384(Top 50%)4341(Top 35%)4341(Top 243%)
15K9.32 mi3.11 mi14022+2494135+1214135+12113743(Top 47%)4004(Top 32%)4004(Top 224%)
20K12.43 mi3.11 mi14032-104163-284163-2814120(Top 49%)4278(Top 34%)4278(Top 240%)
HALF13.11 mi0.68 mi14042-104173-104173-1014633(Top 50%)4520(Top 36%)4520(Top 253%)
25K15.53 mi2.42 mi14031+114180-74180-714190(Top 49%)4412(Top 35%)4412(Top 247%)
30K18.64 mi3.11 mi14052-214226-464226-4614253(Top 49%)4548(Top 36%)4548(Top 255%)
20M20.00 mi1.36 mi13919+1334181+454181+4512878(Top 44%)3882(Top 31%)3882(Top 217%)
21M21.00 mi1.00 mi13938-194222-414222-4114502(Top 50%)4851(Top 39%)4851(Top 272%)
35K21.75 mi0.75 mi13925+134240-184240-1813883(Top 48%)4580(Top 36%)4580(Top 256%)
23M23.00 mi1.25 mi13939-144269-294269-2914364(Top 49%)4910(Top 39%)4910(Top 275%)
24M24.00 mi1.00 mi14027-884338-694338-6915923(Top 55%)5852(Top 47%)5852(Top 328%)
40K24.85 mi0.85 mi14172-1454453-1154453-11517454(Top 60%)6752(Top 54%)6752(Top 378%)
25.2M25.20 mi0.35 mi14313-1414549-964549-9619598(Top 68%)7853(Top 62%)7853(Top 440%)
FINISH26.22 mi1.02 mi14543-2304695-1464695-14618679(Top 64%)7385(Top 59%)7385(Top 413%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21
+97ft-345ft

Overall

13743

Females

4004

F45-49

4004

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14384

Females

4341

F45-49

4341

10K→15K

6.2 - 9.3 mi

Top 47%
×3
+67ft-78ft

Overall

13743

Females

4004

F45-49

4004

15K→20K

9.3 - 12.4 mi

Top 49%
×5
+106ft-86ft

Overall

14120

Females

4278

F45-49

4278

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14633

Females

4520

F45-49

4520

HALF→25K

13.1 - 15.5 mi

Top 49%
×4
+66ft-88ft

Overall

14190

Females

4412

F45-49

4412

25K→30K

15.5 - 18.6 mi

Top 49%
×9
+181ft-148ft

Overall

14253

Females

4548

F45-49

4548

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12878

Females

3882

F45-49

3882

20M→21M

20.0 - 21.0 mi

Top 50%
×8
+106ft-24ft

Overall

14502

Females

4851

F45-49

4851

21M→35K

21.0 - 21.8 mi

Top 48%
×7
+17ft-86ft

Overall

13883

Females

4580

F45-49

4580

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14364

Females

4910

F45-49

4910

23M→24M

23.0 - 24.0 mi

Top 55%
×6
+12ft-82ft

Overall

15923

Females

5852

F45-49

5852

24M→40K

24.0 - 24.9 mi

Top 60%
×1
+6ft-20ft

Overall

17454

Females

6752

F45-49

6752

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1
+13ft-16ft

Overall

19598

Females

7853

F45-49

7853

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
×2
+22ft-21ft

Overall

18679

Females

7385

F45-49

7385

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1548*
Passed By
1768
Net Change
-282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14261
5K → 10K200200-10#14261#14271
10K → 15K332*83+249#14271#14022
15K → 20K156166-10#14022#14032
20K → HALF3343-10#14032#14042
HALF → 25K139128+11#14042#14031
25K → 30K181200-21#14031#14052
30K → 20M17542+133#14052#13919
20M → 21M84103-19#13919#13938
21M → 35K5946+13#13938#13925
35K → 23M89103-14#13925#13939
23M → 24M40128-88#13939#14027
24M → 40K33178-145#14027#14172
40K → 25.2M7148-141#14172#14313
25.2M → FINISH20200-230#14313#14543
TOTALS1548*1768-282

* 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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Activity Data

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