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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Xiaoying Shi

Bib: 16791 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
27:50
3.11 mi
Rank: #22462
Start → 5K
27:50 | 8:58/mi
10K
55:06
6.21 mi
Rank: #22135 (+327)
5K → 10K
27:16 | 8:47/mi
15K
1:24:22
9.32 mi
Rank: #22925 (-790)
10K → 15K
29:16 | 9:26/mi
20K
1:52:39
12.43 mi
Rank: #22772 (+153)
15K → 20K
28:17 | 9:07/mi
HALF
1:58:38
13.11 mi
Rank: #22721 (+51)
20K → HALF
5:59 | 8:47/mi
25K
2:20:53
15.53 mi
Rank: #22581 (+140)
HALF → 25K
22:15 | 9:11/mi
30K
2:49:43
18.64 mi
Rank: #22213 (+368)
25K → 30K
28:50 | 9:17/mi
20M
3:02:28
20.00 mi
Rank: #22083 (+130)
30K → 20M
12:45 | 9:24/mi
21M
3:12:17
21.00 mi
Rank: #21932 (+151)
20M → 21M
9:49 | 9:49/mi
35K
3:18:59
21.75 mi
Rank: #21848 (+84)
21M → 35K
6:42 | 8:58/mi
23M
3:30:37
23.00 mi
Rank: #21750 (+98)
35K → 23M
11:38 | 9:18/mi
24M
3:39:34
24.00 mi
Rank: #21674 (+76)
23M → 24M
8:57 | 8:57/mi
40K
3:47:29
24.85 mi
Rank: #21606 (+68)
24M → 40K
7:55 | 9:16/mi
25.2M
3:51:04
25.20 mi
Rank: #21605 (+1)
40K → 25.2M
3:35 | 10:24/mi
FINISH
3:59:56
26.22 mi
Rank: #21548 (+57)
25.2M → FINISH
8:52 | 8:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:58:38
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:01:18
Pace9:16 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:1727:508:5827:50
8:58
-
10K
6.21 mi11:36:3355:068:5327:16
8:47
-0:11
15K
9.32 mi12:05:491:24:229:0429:16
9:26
+0:39
20K
12.43 mi12:34:061:52:399:0428:17
9:07
-0:19
HALF
13.11 mi12:40:051:58:389:035:59
8:47
-0:20
25K
15.53 mi13:02:202:20:539:0522:15
9:11
+0:24
30K
18.64 mi13:31:102:49:439:0728:50
9:17
+0:06
20M
20.00 mi13:43:553:02:289:0812:45
9:24
+0:07
21M
21.00 mi13:53:443:12:179:109:49
9:49
+0:25
35K
21.75 mi14:00:263:18:599:096:42
8:58
-0:51
23M
23.00 mi14:12:043:30:379:1011:38
9:18
+0:20
24M
24.00 mi14:21:013:39:349:098:57
8:57
-0:21
40K
24.85 mi14:28:563:47:299:107:55
9:16
+0:19
25.2M
25.20 mi14:32:313:51:049:113:35
10:24
+1:08
FINISH
26.22 mi14:41:233:59:569:108:52
8:43
-1:41

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

8:43 /mi

Average Pace

9:09 /mi

Slowest Pace

10:24 /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

3:46:32

94% of race

Time at Steady Pace

9:49

4% of race

Time at Slower Pace

3:35

1% of race

Average Pace: 9:09 /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 mi11:09:1727:508:5827:50
8:58
#22462
10K
6.21 mi11:36:3355:068:5327:16
8:47
#22135
15K
9.32 mi12:05:491:24:229:0429:16
9:26
#22925
20K
12.43 mi12:34:061:52:399:0428:17
9:07
#22772
HALF
13.11 mi12:40:051:58:389:035:59
8:47
#22721
25K
15.53 mi13:02:202:20:539:0522:15
9:11
#22581
30K
18.64 mi13:31:102:49:439:0728:50
9:17
#22213
20M
20.00 mi13:43:553:02:289:0812:45
9:24
#22083
21M
21.00 mi13:53:443:12:179:109:49
9:49
#21932
35K
21.75 mi14:00:263:18:599:096:42
8:58
#21848
23M
23.00 mi14:12:043:30:379:1011:38
9:18
#21750
24M
24.00 mi14:21:013:39:349:098:57
8:57
#21674
40K
24.85 mi14:28:563:47:299:107:55
9:16
#21606
25.2M
25.20 mi14:32:313:51:049:113:35
10:24
#21605
FINISH
26.22 mi14:41:233:59:569:108:52
8:43
#21548
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi224628909890924202(Top 83%)9758(Top 78%)9758(Top 171%)
10K6.21 mi3.10 mi22135+3278736+1738736+17321805(Top 75%)8548(Top 68%)8548(Top 150%)
15K9.32 mi3.11 mi22925-7909106-3709106-37024202(Top 83%)9758(Top 78%)9758(Top 171%)
20K12.43 mi3.11 mi22772+1539035+719035+7122377(Top 77%)8849(Top 70%)8849(Top 155%)
HALF13.11 mi0.68 mi22721+519006+299006+2921746(Top 75%)8509(Top 68%)8509(Top 149%)
25K15.53 mi2.42 mi22581+1408947+598947+5921934(Top 76%)8645(Top 69%)8645(Top 151%)
30K18.64 mi3.11 mi22213+3688796+1518796+15120872(Top 72%)8196(Top 65%)8196(Top 143%)
20M20.00 mi1.36 mi22083+1308739+578739+5720648(Top 71%)8165(Top 65%)8165(Top 143%)
21M21.00 mi1.00 mi21932+1518681+588681+5819843(Top 68%)7774(Top 62%)7774(Top 136%)
35K21.75 mi0.75 mi21848+848645+368645+3619890(Top 69%)7903(Top 63%)7903(Top 138%)
23M23.00 mi1.25 mi21750+988612+338612+3319840(Top 68%)7914(Top 63%)7914(Top 138%)
24M24.00 mi1.00 mi21674+768578+348578+3419276(Top 66%)7665(Top 61%)7665(Top 134%)
40K24.85 mi0.85 mi21606+688551+278551+2719548(Top 67%)7857(Top 62%)7857(Top 137%)
25.2M25.20 mi0.35 mi21605+18555-48555-420774(Top 72%)8452(Top 67%)8452(Top 148%)
FINISH26.22 mi1.02 mi21548+578531+248531+2419201(Top 66%)7669(Top 61%)7669(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21
+97ft-345ft

Overall

24202

Females

9758

F18-39

9758

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21805

Females

8548

F18-39

8548

10K→15K

6.2 - 9.3 mi

Top 83%
×3
+67ft-78ft

Overall

24202

Females

9758

F18-39

9758

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22377

Females

8849

F18-39

8849

20K→HALF

12.4 - 13.1 mi

Top 75%
×2
+19ft-37ft

Overall

21746

Females

8509

F18-39

8509

HALF→25K

13.1 - 15.5 mi

Top 76%
×4
+66ft-88ft

Overall

21934

Females

8645

F18-39

8645

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20872

Females

8196

F18-39

8196

30K→20M

18.6 - 20.0 mi

Top 71%
×5
+64ft-50ft

Overall

20648

Females

8165

F18-39

8165

20M→21M

20.0 - 21.0 mi

Top 68%
×8
+106ft-24ft

Overall

19843

Females

7774

F18-39

7774

21M→35K

21.0 - 21.8 mi

Top 69%
×7
+17ft-86ft

Overall

19890

Females

7903

F18-39

7903

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19840

Females

7914

F18-39

7914

23M→24M

23.0 - 24.0 mi

Top 66%
×6
+12ft-82ft

Overall

19276

Females

7665

F18-39

7665

24M→40K

24.0 - 24.9 mi

Top 67%
×1
+6ft-20ft

Overall

19548

Females

7857

F18-39

7857

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1
+13ft-16ft

Overall

20774

Females

8452

F18-39

8452

25.2M→FINISH

25.2 - 26.2 mi

Top 66%
×2
+22ft-21ft

Overall

19201

Females

7669

F18-39

7669

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2187*
Passed By
658
Net Change
+914
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22462
5K → 10K459*132+327#22462#22135
10K → 15K25200-790#22135#22925
15K → 20K230*77+153#22925#22772
20K → HALF6110+51#22772#22721
HALF → 25K19757+140#22721#22581
25K → 30K391*23+368#22581#22213
30K → 20M15626+130#22213#22083
20M → 21M16312+151#22083#21932
21M → 35K917+84#21932#21848
35K → 23M13133+98#21848#21750
23M → 24M9923+76#21750#21674
24M → 40K8416+68#21674#21606
40K → 25.2M2120+1#21606#21605
25.2M → FINISH7922+57#21605#21548
TOTALS2187*658+914

* 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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