Jin Cao

Bib: 20745F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 46%
Division (F50-54)
#0 / 1207
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:21
Rank: #15160
Start5K
25:21 | 8:10/mi
10K· 6.21 mi
51:01
Rank: #15900 (-740)
5K10K
25:40 | 8:16/mi
15K· 9.32 mi
1:17:41
Rank: #16758 (-858)
10K15K
26:40 | 8:35/mi
20K· 12.43 mi
1:44:28
Rank: #16987 (-229)
15K20K
26:47 | 8:37/mi
Half· 13.11 mi
1:50:18
Rank: #17041 (-54)
20KHalf
5:50 | 8:33/mi
25K· 15.53 mi
2:11:42
Rank: #17200 (-159)
Half25K
21:24 | 8:50/mi
30K· 18.64 mi
2:40:10
Rank: #17304 (-104)
25K30K
28:28 | 9:10/mi
20M
2:52:48
Rank: #17366 (-62)
30K20M
12:38 | 9:18/mi
21M
3:02:38
Rank: #17363 (+3)
20M21M
9:50 | 9:50/mi
35K· 21.75 mi
3:09:25
Rank: #17405 (-42)
21M35K
6:47 | 9:04/mi
23M
3:21:05
Rank: #17426 (-21)
35K23M
11:40 | 9:19/mi
24M
3:30:14
Rank: #17453 (-27)
23M24M
9:09 | 9:09/mi
40K· 24.85 mi
3:37:53
Rank: #17402 (+51)
24M40K
7:39 | 8:57/mi
25.2M
3:41:07
Rank: #17350 (+52)
40K25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:49:55
Rank: #17333 (+17)
25.2MFinish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:18
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:59:37
Pace9:07 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5925:218:1025:21
8:10
-
10K
6.21 mi11:19:3951:018:1325:40
8:16
+0:06
15K
9.32 mi11:46:191:17:418:2026:40
8:35
+0:19
20K
12.43 mi12:13:061:44:288:2426:47
8:37
+0:02
Half
13.11 mi12:18:561:50:188:255:50
8:33
-0:04
25K
15.53 mi12:40:202:11:428:2921:24
8:50
+0:17
30K
18.64 mi13:08:482:40:108:3628:28
9:10
+0:20
20M
20.00 mi13:21:262:52:488:3812:38
9:18
+0:08
21M
21.00 mi13:31:163:02:388:429:50
9:50
+0:32
35K
21.75 mi13:38:033:09:258:436:47
9:04
-0:46
23M
23.00 mi13:49:433:21:058:4511:40
9:19
+0:15
24M
24.00 mi13:58:523:30:148:469:09
9:09
-0:10
40K
24.85 mi14:06:313:37:538:467:39
8:57
-0:12
25.2M
25.20 mi14:09:453:41:078:463:14
9:23
+0:26
Finish
26.22 mi14:18:333:49:558:478:48
8:38
-0:45

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

8:10 /mi

Average Pace

8:47 /mi

Slowest Pace

9:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:06

52% of race

Time at Steady Pace

1:13:27

32% of race

Time at Slower Pace

37:22

16% 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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:53:5925:218:1025:21
8:10
#15160
10K
6.21 mi11:19:3951:018:1325:40
8:16
#15900
15K
9.32 mi11:46:191:17:418:2026:40
8:35
#16758
20K
12.43 mi12:13:061:44:288:2426:47
8:37
#16987
Half
13.11 mi12:18:561:50:188:255:50
8:33
#17041
25K
15.53 mi12:40:202:11:428:2921:24
8:50
#17200
30K
18.64 mi13:08:482:40:108:3628:28
9:10
#17304
20M
20.00 mi13:21:262:52:488:3812:38
9:18
#17366
21M
21.00 mi13:31:163:02:388:429:50
9:50
#17363
35K
21.75 mi13:38:033:09:258:436:47
9:04
#17405
23M
23.00 mi13:49:433:21:058:4511:40
9:19
#17426
24M
24.00 mi13:58:523:30:148:469:09
9:09
#17453
40K
24.85 mi14:06:313:37:538:467:39
8:57
#17402
25.2M
25.20 mi14:09:453:41:078:463:14
9:23
#17350
Finish
26.22 mi14:18:333:49:558:478:48
8:38
#17333
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi151604750475018335(Top 69%)6694(Top 59%)6694(Top 555%)
10K6.21 mi3.10 mi15900-7405224-4745224-47416673(Top 63%)5680(Top 50%)5680(Top 471%)
15K9.32 mi3.11 mi16758-8585771-5475771-54718335(Top 69%)6694(Top 59%)6694(Top 555%)
20K12.43 mi3.11 mi16987-2295919-1485919-14817638(Top 66%)6310(Top 55%)6310(Top 523%)
Half13.11 mi0.68 mi17041-545956-375956-3718029(Top 68%)6493(Top 57%)6493(Top 538%)
25K15.53 mi2.42 mi17200-1596062-1066062-10618100(Top 68%)6602(Top 58%)6602(Top 547%)
30K18.64 mi3.11 mi17304-1046138-766138-7617996(Top 68%)6647(Top 58%)6647(Top 551%)
20M20.00 mi1.36 mi17366-626197-596197-5918017(Top 68%)6750(Top 59%)6750(Top 559%)
21M21.00 mi1.00 mi17363+36212-156212-1517391(Top 65%)6424(Top 56%)6424(Top 532%)
35K21.75 mi0.75 mi17405-426247-356247-3518182(Top 68%)6934(Top 61%)6934(Top 574%)
23M23.00 mi1.25 mi17426-216276-296276-2917615(Top 66%)6639(Top 58%)6639(Top 550%)
24M24.00 mi1.00 mi17453-276297-216297-2117870(Top 67%)6839(Top 60%)6839(Top 567%)
40K24.85 mi0.85 mi17402+516283+146283+1415903(Top 60%)5801(Top 51%)5801(Top 481%)
25.2M25.20 mi0.35 mi17350+526265+186265+1814666(Top 55%)5132(Top 45%)5132(Top 425%)
Finish26.22 mi1.02 mi17333+176262+36262+316195(Top 61%)5937(Top 52%)5937(Top 492%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18335

Females

6694

F50-54

6694

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16673

Females

5680

F50-54

5680

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18335

Females

6694

F50-54

6694

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17638

Females

6310

F50-54

6310

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18029

Females

6493

F50-54

6493

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18100

Females

6602

F50-54

6602

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17996

Females

6647

F50-54

6647

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18017

Females

6750

F50-54

6750

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17391

Females

6424

F50-54

6424

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18182

Females

6934

F50-54

6934

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17615

Females

6639

F50-54

6639

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17870

Females

6839

F50-54

6839

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15903

Females

5801

F50-54

5801

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14666

Females

5132

F50-54

5132

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16195

Females

5937

F50-54

5937

Passing Analysis

Category:
Athletes Passed
980
Passed By
3153
Net Change
-2173
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15160
5K10K82822-740#15160#15900
10K15K24882-858#15900#16758
15K20K112341-229#16758#16987
20KHalf1064-54#16987#17041
Half25K80239-159#17041#17200
25K30K138242-104#17200#17304
30K20M64126-62#17304#17366
20M21M8986+3#17366#17363
21M35K3880-42#17363#17405
35K23M83104-21#17405#17426
23M24M5077-27#17426#17453
24M40K8534+51#17453#17402
40K25.2M6210+52#17402#17350
25.2MFinish6346+17#17350#17333
TOTALS9803153-2173
📊

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