Cassandra Zhi

Bib: 12226F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 12%
Division (F18-39)
#0 / 5469
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:28
Rank: #9754
Start5K
7:14/mi
22:28 split
10K· 6.21 mi
44:34
Rank: #9222 (+532)
5K10K
7:07/mi
22:06 split
15K· 9.32 mi
1:06:50
Rank: #9078 (+144)
10K15K
7:10/mi
22:16 split
20K· 12.43 mi
1:29:40
Rank: #9129 (-51)
15K20K
7:21/mi
22:50 split
Half· 13.11 mi
1:34:37
Rank: #9152 (-23)
20KHalf
7:15/mi
4:57 split
25K· 15.53 mi
1:52:33
Rank: #9075 (+77)
Half25K
7:24/mi
17:56 split
30K· 18.64 mi
2:16:21
Rank: #8969 (+106)
25K30K
7:40/mi
23:48 split
20M
2:26:56
Rank: #8931 (+38)
30K20M
7:47/mi
10:35 split
21M
2:35:06
Rank: #8860 (+71)
20M21M
8:10/mi
8:10 split
35K· 21.75 mi
2:40:37
Rank: #8792 (+68)
21M35K
7:22/mi
5:31 split
23M
2:50:10
Rank: #8633 (+159)
35K23M
7:38/mi
9:33 split
24M
2:57:45
Rank: #8578 (+55)
23M24M
7:35/mi
7:35 split
40K· 24.85 mi
3:04:18
Rank: #8498 (+80)
24M40K
7:40/mi
6:33 split
25.2M
3:07:15
Rank: #8497 (+1)
40K25.2M
8:33/mi
2:57 split
Finish· 26.22 mi
3:14:43
Rank: #8455 (+42)
25.2MFinish
7:20/mi
7:28 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:37
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:40:06
Pace7:38 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0222:287:1422:28
7:14
-
10K
6.21 mi11:12:0844:347:1022:06
7:07
-0:07
15K
9.32 mi11:34:241:06:507:1022:16
7:10
+0:03
20K
12.43 mi11:57:141:29:407:1322:50
7:21
+0:11
Half
13.11 mi12:02:111:34:377:134:57
7:15
-0:06
25K
15.53 mi12:20:071:52:337:1517:56
7:24
+0:09
30K
18.64 mi12:43:552:16:217:1923:48
7:40
+0:16
20M
20.00 mi12:54:302:26:567:2110:35
7:47
+0:07
21M
21.00 mi13:02:402:35:067:238:10
8:10
+0:23
35K
21.75 mi13:08:112:40:377:235:31
7:22
-0:48
23M
23.00 mi13:17:442:50:107:249:33
7:38
+0:16
24M
24.00 mi13:25:192:57:457:247:35
7:35
-0:03
40K
24.85 mi13:31:523:04:187:256:33
7:40
+0:05
25.2M
25.20 mi13:34:493:07:157:262:57
8:33
+0:53
Finish
26.22 mi13:42:173:14:437:267:28
7:20
-1:13

Checkpoints & Pacing

📈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

7:07 /mi

Average Pace

7:26 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:22

23% of race

Time at Steady Pace

1:28:45

46% of race

Time at Slower Pace

1:01:36

32% of race

Average Pace: 7:26 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:50:0222:287:1422:28
7:14
#9754
10K
6.21 mi11:12:0844:347:1022:06
7:07
#9222
15K
9.32 mi11:34:241:06:507:1022:16
7:10
#9078
20K
12.43 mi11:57:141:29:407:1322:50
7:21
#9129
Half
13.11 mi12:02:111:34:377:134:57
7:15
#9152
25K
15.53 mi12:20:071:52:337:1517:56
7:24
#9075
30K
18.64 mi12:43:552:16:217:1923:48
7:40
#8969
20M
20.00 mi12:54:302:26:567:2110:35
7:47
#8931
21M
21.00 mi13:02:402:35:067:238:10
8:10
#8860
35K
21.75 mi13:08:112:40:377:235:31
7:22
#8792
23M
23.00 mi13:17:442:50:107:249:33
7:38
#8633
24M
24.00 mi13:25:192:57:457:247:35
7:35
#8578
40K
24.85 mi13:31:523:04:187:256:33
7:40
#8498
25.2M
25.20 mi13:34:493:07:157:262:57
8:33
#8497
Finish
26.22 mi13:42:173:14:437:267:28
7:20
#8455
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9754169316938852(Top 31%)1364(Top 11%)1364(Top 25%)
10K6.21 mi3.10 mi9222+5321468+2251468+2258797(Top 31%)1303(Top 11%)1303(Top 24%)
15K9.32 mi3.11 mi9078+1441428+401428+408852(Top 31%)1364(Top 11%)1364(Top 25%)
20K12.43 mi3.11 mi9129-511471-431471-439466(Top 33%)1719(Top 14%)1719(Top 31%)
Half13.11 mi0.68 mi9152-231482-111482-119643(Top 34%)1771(Top 14%)1771(Top 32%)
25K15.53 mi2.42 mi9075+77148214829132(Top 32%)1688(Top 14%)1688(Top 31%)
30K18.64 mi3.11 mi8969+1061499-171499-178916(Top 31%)1793(Top 15%)1793(Top 33%)
20M20.00 mi1.36 mi8931+381508-91508-98951(Top 32%)1958(Top 16%)1958(Top 36%)
21M21.00 mi1.00 mi8860+711514-61514-68396(Top 30%)1892(Top 15%)1892(Top 35%)
35K21.75 mi0.75 mi8792+681504+101504+107759(Top 27%)1582(Top 13%)1582(Top 29%)
23M23.00 mi1.25 mi8633+1591483+211483+217451(Top 26%)1591(Top 13%)1591(Top 29%)
24M24.00 mi1.00 mi8578+551494-111494-118310(Top 29%)2002(Top 16%)2002(Top 37%)
40K24.85 mi0.85 mi8498+801504-101504-107850(Top 28%)1915(Top 16%)1915(Top 35%)
25.2M25.20 mi0.35 mi8497+11521-171521-179135(Top 32%)2572(Top 21%)2572(Top 47%)
Finish26.22 mi1.02 mi8455+421525-41525-47984(Top 28%)2059(Top 17%)2059(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8852

Females

1364

F18-39

1364

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8797

Females

1303

F18-39

1303

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8852

Females

1364

F18-39

1364

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9466

Females

1719

F18-39

1719

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9643

Females

1771

F18-39

1771

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

9132

Females

1688

F18-39

1688

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8916

Females

1793

F18-39

1793

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8951

Females

1958

F18-39

1958

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8396

Females

1892

F18-39

1892

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7759

Females

1582

F18-39

1582

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7451

Females

1591

F18-39

1591

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8310

Females

2002

F18-39

2002

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7850

Females

1915

F18-39

1915

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9135

Females

2572

F18-39

2572

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7984

Females

2059

F18-39

2059

Passing Analysis

Category:
Athletes Passed
2322
Passed By
1023
Net Change
+1299
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9754
5K10K58452+532#9754#9222
10K15K24096+144#9222#9078
15K20K151202-51#9078#9129
20KHalf2043-23#9129#9152
Half25K188111+77#9152#9075
25K30K266160+106#9075#8969
30K20M12183+38#8969#8931
20M21M13564+71#8931#8860
21M35K8517+68#8860#8792
35K23M19334+159#8792#8633
23M24M10752+55#8633#8578
24M40K11333+80#8578#8498
40K25.2M3938+1#8498#8497
25.2MFinish8038+42#8497#8455
TOTALS23221023+1299
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing