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BOSTON MARATHON 2026

Yan Zhu

Bib: 22400•F

BC

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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

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
27:18
3.11 mi
Rank: #21637
Start → 5K
27:18 | 8:48/mi
10K
53:49
6.21 mi
Rank: #21109 (+528)
5K → 10K
26:31 | 8:33/mi
15K
1:20:30
9.32 mi
Rank: #20946 (+163)
10K → 15K
26:41 | 8:36/mi
20K
1:47:42
12.43 mi
Rank: #20871 (+75)
15K → 20K
27:12 | 8:46/mi
HALF
1:53:27
13.11 mi
Rank: #20817 (+54)
20K → HALF
5:45 | 8:27/mi
25K
2:14:36
15.53 mi
Rank: #20647 (+170)
HALF → 25K
21:09 | 8:44/mi
30K
2:42:52
18.64 mi
Rank: #20540 (+107)
25K → 30K
28:16 | 9:06/mi
20M
2:55:12
20.00 mi
Rank: #20427 (+113)
30K → 20M
12:20 | 9:05/mi
21M
3:04:46
21.00 mi
Rank: #20332 (+95)
20M → 21M
9:34 | 9:34/mi
35K
3:11:26
21.75 mi
Rank: #20318 (+14)
21M → 35K
6:40 | 8:55/mi
23M
3:22:34
23.00 mi
Rank: #20182 (+136)
35K → 23M
11:08 | 8:54/mi
24M
3:31:06
24.00 mi
Rank: #20054 (+128)
23M → 24M
8:32 | 8:32/mi
40K
3:38:27
24.85 mi
Rank: #19913 (+141)
24M → 40K
7:21 | 8:36/mi
25.2M
3:41:36
25.20 mi
Rank: #19842 (+71)
40K → 25.2M
3:09 | 9:09/mi
FINISH
3:49:45
26.22 mi
Rank: #19687 (+155)
25.2M → FINISH
8:09 | 8:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:27
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time1:56:18
Pace8:53 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:0727:188:4827:18
8:48
-
10K
6.21 mi11:55:3853:498:4026:31
8:33
-0:15
15K
9.32 mi12:22:191:20:308:3926:41
8:36
+0:03
20K
12.43 mi12:49:311:47:428:4027:12
8:46
+0:10
HALF
13.11 mi12:55:161:53:278:405:45
8:27
-0:19
25K
15.53 mi13:16:252:14:368:4021:09
8:44
+0:17
30K
18.64 mi13:44:412:42:528:4528:16
9:06
+0:22
20M
20.00 mi13:57:012:55:128:4612:20
9:05
-0:01
21M
21.00 mi14:06:353:04:468:489:34
9:34
+0:29
35K
21.75 mi14:13:153:11:268:496:40
8:55
-0:39
23M
23.00 mi14:24:233:22:348:4911:08
8:54
-0:01
24M
24.00 mi14:32:553:31:068:488:32
8:32
-0:22
40K
24.85 mi14:40:163:38:278:487:21
8:36
+0:04
25.2M
25.20 mi14:43:253:41:368:483:09
9:09
+0:33
FINISH
26.22 mi14:51:343:49:458:478:09
8:00
-1:09

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

8:00 /mi

Average Pace

8:46 /mi

Slowest Pace

9:34 /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

2:38:38

69% of race

Time at Steady Pace

1:01:33

27% of race

Time at Slower Pace

9:34

4% of race

Average Pace: 8:46 /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 mi11:29:0727:188:4827:18
8:48
#21637
10K
6.21 mi11:55:3853:498:4026:31
8:33
#21109
15K
9.32 mi12:22:191:20:308:3926:41
8:36
#20946
20K
12.43 mi12:49:311:47:428:4027:12
8:46
#20871
HALF
13.11 mi12:55:161:53:278:405:45
8:27
#20817
25K
15.53 mi13:16:252:14:368:4021:09
8:44
#20647
30K
18.64 mi13:44:412:42:528:4528:16
9:06
#20540
20M
20.00 mi13:57:012:55:128:4612:20
9:05
#20427
21M
21.00 mi14:06:353:04:468:489:34
9:34
#20332
35K
21.75 mi14:13:153:11:268:496:40
8:55
#20318
23M
23.00 mi14:24:233:22:348:4911:08
8:54
#20182
24M
24.00 mi14:32:553:31:068:488:32
8:32
#20054
40K
24.85 mi14:40:163:38:278:487:21
8:36
#19913
25.2M
25.20 mi14:43:253:41:368:483:09
9:09
#19842
FINISH
26.22 mi14:51:343:49:458:478:09
8:00
#19687
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 mi216378501850120616(Top 71%)7908(Top 63%)7908(Top 443%)
10K6.21 mi3.10 mi21109+5288202+2998202+29920536(Top 71%)7880(Top 63%)7880(Top 441%)
15K9.32 mi3.11 mi20946+1638106+968106+9620616(Top 71%)7908(Top 63%)7908(Top 443%)
20K12.43 mi3.11 mi20871+758085+218085+2120733(Top 71%)8011(Top 64%)8011(Top 449%)
HALF13.11 mi0.68 mi20817+548057+288057+2819918(Top 69%)7545(Top 60%)7545(Top 422%)
25K15.53 mi2.42 mi20647+1707978+797978+7919841(Top 68%)7579(Top 60%)7579(Top 424%)
30K18.64 mi3.11 mi20540+1077944+347944+3420065(Top 69%)7772(Top 62%)7772(Top 435%)
20M20.00 mi1.36 mi20427+1137886+587886+5819331(Top 67%)7453(Top 59%)7453(Top 417%)
21M21.00 mi1.00 mi20332+957857+297857+2918823(Top 65%)7235(Top 58%)7235(Top 405%)
35K21.75 mi0.75 mi20318+147853+47853+419681(Top 68%)7796(Top 62%)7796(Top 437%)
23M23.00 mi1.25 mi20182+1367802+517802+5118011(Top 62%)6972(Top 55%)6972(Top 390%)
24M24.00 mi1.00 mi20054+1287756+467756+4617129(Top 59%)6549(Top 52%)6549(Top 367%)
40K24.85 mi0.85 mi19913+1417703+537703+5316323(Top 56%)6167(Top 49%)6167(Top 345%)
25.2M25.20 mi0.35 mi19842+717672+317672+3115554(Top 54%)5753(Top 46%)5753(Top 322%)
FINISH26.22 mi1.02 mi19687+1557595+777595+7715215(Top 52%)5547(Top 44%)5547(Top 311%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20616

Females

7908

F45-49

7908

5K→10K

3.1 - 6.2 mi

Top 71%
×5
+79ft-138ft

Overall

20536

Females

7880

F45-49

7880

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20616

Females

7908

F45-49

7908

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20733

Females

8011

F45-49

8011

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

19918

Females

7545

F45-49

7545

HALF→25K

13.1 - 15.5 mi

Top 68%
×4
+66ft-88ft

Overall

19841

Females

7579

F45-49

7579

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

20065

Females

7772

F45-49

7772

30K→20M

18.6 - 20.0 mi

Top 67%
×5
+64ft-50ft

Overall

19331

Females

7453

F45-49

7453

20M→21M

20.0 - 21.0 mi

Top 65%
×8
+106ft-24ft

Overall

18823

Females

7235

F45-49

7235

21M→35K

21.0 - 21.8 mi

Top 68%
×7
+17ft-86ft

Overall

19681

Females

7796

F45-49

7796

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

18011

Females

6972

F45-49

6972

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17129

Females

6549

F45-49

6549

24M→40K

24.0 - 24.9 mi

Top 56%
×1
+6ft-20ft

Overall

16323

Females

6167

F45-49

6167

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1
+13ft-16ft

Overall

15554

Females

5753

F45-49

5753

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
×2
+22ft-21ft

Overall

15215

Females

5547

F45-49

5547

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2615
Passed By
665
Net Change
+1950
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21637
5K → 10K653125+528#21637#21109
10K → 15K277114+163#21109#20946
15K → 20K209134+75#20946#20871
20K → HALF6410+54#20871#20817
HALF → 25K20838+170#20817#20647
25K → 30K217110+107#20647#20540
30K → 20M14532+113#20540#20427
20M → 21M13237+95#20427#20332
21M → 35K4531+14#20332#20318
35K → 23M14812+136#20318#20182
23M → 24M1368+128#20182#20054
24M → 40K1465+141#20054#19913
40K → 25.2M743+71#19913#19842
25.2M → FINISH1616+155#19842#19687
TOTALS2615665+1950
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing