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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Shufen Chen

Bib: 22286 •F •Age: N/A

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 (F55-59)
#0 / 951
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
27:19
3.11 mi
Rank: #21671
Start → 5K
27:19 | 8:48/mi
10K
54:54
6.21 mi
Rank: #21991 (-320)
5K → 10K
27:35 | 8:53/mi
15K
1:22:29
9.32 mi
Rank: #22002 (-11)
10K → 15K
27:35 | 8:53/mi
20K
1:51:26
12.43 mi
Rank: #22339 (-337)
15K → 20K
28:57 | 9:20/mi
HALF
1:57:41
13.11 mi
Rank: #22402 (-63)
20K → HALF
6:15 | 9:11/mi
25K
2:21:03
15.53 mi
Rank: #22633 (-231)
HALF → 25K
23:22 | 9:39/mi
30K
2:52:25
18.64 mi
Rank: #22815 (-182)
25K → 30K
31:22 | 10:06/mi
20M
3:06:07
20.00 mi
Rank: #22807 (+8)
30K → 20M
13:42 | 10:06/mi
21M
3:16:43
21.00 mi
Rank: #22741 (+66)
20M → 21M
10:36 | 10:36/mi
35K
3:23:49
21.75 mi
Rank: #22704 (+37)
21M → 35K
7:06 | 9:30/mi
23M
3:35:55
23.00 mi
Rank: #22613 (+91)
35K → 23M
12:06 | 9:41/mi
24M
3:44:48
24.00 mi
Rank: #22468 (+145)
23M → 24M
8:53 | 8:53/mi
40K
3:52:46
24.85 mi
Rank: #22353 (+115)
24M → 40K
7:58 | 9:20/mi
25.2M
3:56:18
25.20 mi
Rank: #22321 (+32)
40K → 25.2M
3:32 | 10:15/mi
FINISH
4:05:33
26.22 mi
Rank: #22266 (+55)
25.2M → FINISH
9:15 | 9:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:57:41
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:07:52
Pace9:46 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:5227:198:4827:19
8:48
-
10K
6.21 mi11:56:2754:548:5127:35
8:53
+0:05
15K
9.32 mi12:24:021:22:298:5127:35
8:53
0:00
20K
12.43 mi12:52:591:51:268:5928:57
9:20
+0:27
HALF
13.11 mi12:59:141:57:418:596:15
9:11
-0:09
25K
15.53 mi13:22:362:21:039:0523:22
9:39
+0:28
30K
18.64 mi13:53:582:52:259:1531:22
10:06
+0:27
20M
20.00 mi14:07:403:06:079:1913:42
10:06
0:00
21M
21.00 mi14:18:163:16:439:2310:36
10:36
+0:30
35K
21.75 mi14:25:223:23:499:237:06
9:30
-1:06
23M
23.00 mi14:37:283:35:559:2412:06
9:41
+0:11
24M
24.00 mi14:46:213:44:489:238:53
8:53
-0:48
40K
24.85 mi14:54:193:52:469:227:58
9:20
+0:27
25.2M
25.20 mi14:57:513:56:189:233:32
10:15
+0:55
FINISH
26.22 mi15:07:064:05:339:239:15
9:05
-1:10

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

8:48 /mi

Average Pace

9:22 /mi

Slowest Pace

10:36 /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

1:31:22

37% of race

Time at Steady Pace

59:31

24% of race

Time at Slower Pace

1:34:40

39% of race

Average Pace: 9:22 /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 mi11:28:5227:198:4827:19
8:48
#21671
10K
6.21 mi11:56:2754:548:5127:35
8:53
#21991
15K
9.32 mi12:24:021:22:298:5127:35
8:53
#22002
20K
12.43 mi12:52:591:51:268:5928:57
9:20
#22339
HALF
13.11 mi12:59:141:57:418:596:15
9:11
#22402
25K
15.53 mi13:22:362:21:039:0523:22
9:39
#22633
30K
18.64 mi13:53:582:52:259:1531:22
10:06
#22815
20M
20.00 mi14:07:403:06:079:1913:42
10:06
#22807
21M
21.00 mi14:18:163:16:439:2310:36
10:36
#22741
35K
21.75 mi14:25:223:23:499:237:06
9:30
#22704
23M
23.00 mi14:37:283:35:559:2412:06
9:41
#22613
24M
24.00 mi14:46:213:44:489:238:53
8:53
#22468
40K
24.85 mi14:54:193:52:469:227:58
9:20
#22353
25.2M
25.20 mi14:57:513:56:189:233:32
10:15
#22321
FINISH
26.22 mi15:07:064:05:339:239:15
9:05
#22266
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi216718519851922107(Top 76%)8688(Top 69%)8688(Top 914%)
10K6.21 mi3.10 mi21991-3208665-1468665-14622313(Top 77%)8814(Top 70%)8814(Top 927%)
15K9.32 mi3.11 mi22002-118659+68659+622107(Top 76%)8688(Top 69%)8688(Top 914%)
20K12.43 mi3.11 mi22339-3378823-1648823-16423187(Top 80%)9276(Top 74%)9276(Top 975%)
HALF13.11 mi0.68 mi22402-638861-388861-3823379(Top 81%)9354(Top 74%)9354(Top 984%)
25K15.53 mi2.42 mi22633-2318976-1158976-11523389(Top 81%)9407(Top 75%)9407(Top 989%)
30K18.64 mi3.11 mi22815-1829103-1279103-12723369(Top 81%)9488(Top 75%)9488(Top 998%)
20M20.00 mi1.36 mi22807+89120-179120-1722820(Top 79%)9271(Top 74%)9271(Top 975%)
21M21.00 mi1.00 mi22741+669103+179103+1722198(Top 76%)8992(Top 71%)8992(Top 946%)
35K21.75 mi0.75 mi22704+379093+109093+1021758(Top 75%)8831(Top 70%)8831(Top 929%)
23M23.00 mi1.25 mi22613+919065+289065+2821171(Top 73%)8568(Top 68%)8568(Top 901%)
24M24.00 mi1.00 mi22468+1459004+619004+6118982(Top 65%)7524(Top 60%)7524(Top 791%)
40K24.85 mi0.85 mi22353+1158952+528952+5219769(Top 68%)7967(Top 63%)7967(Top 838%)
25.2M25.20 mi0.35 mi22321+328945+78945+720314(Top 70%)8240(Top 66%)8240(Top 866%)
FINISH26.22 mi1.02 mi22266+558927+188927+1820858(Top 72%)8510(Top 68%)8510(Top 895%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21
+97ft-345ft

Overall

22107

Females

8688

F55-59

8688

5K→10K

3.1 - 6.2 mi

Top 77%
×5
+79ft-138ft

Overall

22313

Females

8814

F55-59

8814

10K→15K

6.2 - 9.3 mi

Top 76%
×3
+67ft-78ft

Overall

22107

Females

8688

F55-59

8688

15K→20K

9.3 - 12.4 mi

Top 80%
×5
+106ft-86ft

Overall

23187

Females

9276

F55-59

9276

20K→HALF

12.4 - 13.1 mi

Top 81%
×2
+19ft-37ft

Overall

23379

Females

9354

F55-59

9354

HALF→25K

13.1 - 15.5 mi

Top 81%
×4
+66ft-88ft

Overall

23389

Females

9407

F55-59

9407

25K→30K

15.5 - 18.6 mi

Top 81%
×9
+181ft-148ft

Overall

23369

Females

9488

F55-59

9488

30K→20M

18.6 - 20.0 mi

Top 79%
×5
+64ft-50ft

Overall

22820

Females

9271

F55-59

9271

20M→21M

20.0 - 21.0 mi

Top 76%
×8
+106ft-24ft

Overall

22198

Females

8992

F55-59

8992

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21758

Females

8831

F55-59

8831

35K→23M

21.8 - 23.0 mi

Top 73%
×5
+23ft-63ft

Overall

21171

Females

8568

F55-59

8568

23M→24M

23.0 - 24.0 mi

Top 65%
×6
+12ft-82ft

Overall

18982

Females

7524

F55-59

7524

24M→40K

24.0 - 24.9 mi

Top 68%
×1
+6ft-20ft

Overall

19769

Females

7967

F55-59

7967

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1
+13ft-16ft

Overall

20314

Females

8240

F55-59

8240

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

20858

Females

8510

F55-59

8510

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1322
Passed By
1235
Net Change
-595
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21671
5K → 10K145200-320#21671#21991
10K → 15K160171-11#21991#22002
15K → 20K81200-337#22002#22339
20K → HALF1780-63#22339#22402
HALF → 25K65200-231#22402#22633
25K → 30K121200-182#22633#22815
30K → 20M7466+8#22815#22807
20M → 21M10539+66#22807#22741
21M → 35K5922+37#22741#22704
35K → 23M11726+91#22704#22613
23M → 24M1527+145#22613#22468
24M → 40K1238+115#22468#22353
40K → 25.2M375+32#22353#22321
25.2M → FINISH6611+55#22321#22266
TOTALS13221235-595
📊

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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