Cai Chao

Bib: 8954F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 20%
Gender (Female)
#0 / 10924
Top 6%
Division (F18-39)
#0 / 4660
Top 11%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:54
Rank: #7348
Start5K
7:03/mi
21:54 split
10K· 6.21 mi
44:54
Rank: #8332 (-984)
5K10K
7:24/mi
23:00 split
15K· 9.32 mi
1:07:36
Rank: #8236 (+96)
10K15K
7:18/mi
22:42 split
20K· 12.43 mi
1:30:40
Rank: #8089 (+147)
15K20K
7:25/mi
23:04 split
Half· 13.11 mi
1:35:31
Rank: #7972 (+117)
20KHalf
7:07/mi
4:51 split
25K· 15.53 mi
1:53:13
Rank: #7526 (+446)
Half25K
7:18/mi
17:42 split
30K· 18.64 mi
2:16:18
Rank: #6904 (+622)
25K30K
7:26/mi
23:05 split
20M
2:26:27
Rank: #6574 (+330)
30K20M
7:28/mi
10:09 split
21M
2:34:21
Rank: #6266 (+308)
20M21M
7:54/mi
7:54 split
35K· 21.75 mi
2:39:42
Rank: #6082 (+184)
21M35K
7:09/mi
5:21 split
23M
2:48:53
Rank: #5765 (+317)
35K23M
7:20/mi
9:11 split
24M
2:56:05
Rank: #5527 (+238)
23M24M
7:12/mi
7:12 split
40K· 24.85 mi
3:02:13
Rank: #5301 (+226)
24M40K
7:10/mi
6:08 split
25.2M
3:05:01
Rank: #5211 (+90)
40K25.2M
8:07/mi
2:48 split
Finish· 26.22 mi
3:12:07
Rank: #5049 (+162)
25.2MFinish
6:58/mi
7:06 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:31
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:36:36
Pace7:22 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1721:547:0321:54
7:03
-
10K
6.21 mi11:10:1744:547:1423:00
7:24
+0:21
15K
9.32 mi11:32:591:07:367:1522:42
7:18
-0:06
20K
12.43 mi11:56:031:30:407:1823:04
7:25
+0:07
Half
13.11 mi12:00:541:35:317:174:51
7:07
-0:18
25K
15.53 mi12:18:361:53:137:1717:42
7:18
+0:11
30K
18.64 mi12:41:412:16:187:1923:05
7:26
+0:08
20M
20.00 mi12:51:502:26:277:1910:09
7:28
+0:02
21M
21.00 mi12:59:442:34:217:217:54
7:54
+0:26
35K
21.75 mi13:05:052:39:427:215:21
7:09
-0:45
23M
23.00 mi13:14:162:48:537:219:11
7:20
+0:11
24M
24.00 mi13:21:282:56:057:207:12
7:12
-0:08
40K
24.85 mi13:27:363:02:137:206:08
7:10
-0:02
25.2M
25.20 mi13:30:243:05:017:212:48
8:07
+0:57
Finish
26.22 mi13:37:303:12:077:207:06
6:58
-1:09

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

6:58 /mi

Average Pace

7:20 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:25

94% of race

Time at Steady Pace

10:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:20 /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 mi10:47:1721:547:0321:54
7:03
#7348
10K
6.21 mi11:10:1744:547:1423:00
7:24
#8332
15K
9.32 mi11:32:591:07:367:1522:42
7:18
#8236
20K
12.43 mi11:56:031:30:407:1823:04
7:25
#8089
Half
13.11 mi12:00:541:35:317:174:51
7:07
#7972
25K
15.53 mi12:18:361:53:137:1717:42
7:18
#7526
30K
18.64 mi12:41:412:16:187:1923:05
7:26
#6904
20M
20.00 mi12:51:502:26:277:1910:09
7:28
#6574
21M
21.00 mi12:59:442:34:217:217:54
7:54
#6266
35K
21.75 mi13:05:052:39:427:215:21
7:09
#6082
23M
23.00 mi13:14:162:48:537:219:11
7:20
#5765
24M
24.00 mi13:21:282:56:057:207:12
7:12
#5527
40K
24.85 mi13:27:363:02:137:206:08
7:10
#5301
25.2M
25.20 mi13:30:243:05:017:212:48
8:07
#5211
Finish
26.22 mi13:37:303:12:077:207:06
6:58
#5049
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi73489419418211(Top 32%)1348(Top 12%)1348(Top 29%)
10K6.21 mi3.10 mi8332-9841340-3991340-3999451(Top 37%)1852(Top 17%)1852(Top 40%)
15K9.32 mi3.11 mi8236+961316+241316+248211(Top 32%)1348(Top 12%)1348(Top 29%)
20K12.43 mi3.11 mi8089+1471277+391277+397821(Top 31%)1308(Top 12%)1308(Top 28%)
Half13.11 mi0.68 mi7972+1171241+361241+366449(Top 25%)807(Top 7%)807(Top 17%)
25K15.53 mi2.42 mi7526+4461109+1321109+1325837(Top 23%)749(Top 7%)749(Top 16%)
30K18.64 mi3.11 mi6904+622961+148961+1484771(Top 19%)569(Top 5%)569(Top 12%)
20M20.00 mi1.36 mi6574+330900+61900+614220(Top 17%)503(Top 5%)503(Top 11%)
21M21.00 mi1.00 mi6266+308834+66834+663827(Top 15%)500(Top 5%)500(Top 11%)
35K21.75 mi0.75 mi6082+184801+33801+333653(Top 14%)439(Top 4%)439(Top 9%)
23M23.00 mi1.25 mi5765+317742+59742+593050(Top 12%)348(Top 3%)348(Top 7%)
24M24.00 mi1.00 mi5527+238703+39703+393009(Top 12%)382(Top 3%)382(Top 8%)
40K24.85 mi0.85 mi5301+226666+37666+372419(Top 9%)293(Top 3%)293(Top 6%)
25.2M25.20 mi0.35 mi5211+90657+9657+93165(Top 12%)521(Top 5%)521(Top 11%)
Finish26.22 mi1.02 mi5049+162636+21636+213030(Top 12%)479(Top 4%)479(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8211

Females

1348

F18-39

1348

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9451

Females

1852

F18-39

1852

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8211

Females

1348

F18-39

1348

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

7821

Females

1308

F18-39

1308

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6449

Females

807

F18-39

807

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

5837

Females

749

F18-39

749

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

4771

Females

569

F18-39

569

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4220

Females

503

F18-39

503

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

3827

Females

500

F18-39

500

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3653

Females

439

F18-39

439

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3050

Females

348

F18-39

348

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3009

Females

382

F18-39

382

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2419

Females

293

F18-39

293

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3165

Females

521

F18-39

521

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3030

Females

479

F18-39

479

Passing Analysis

Category:
Athletes Passed
3594
Passed By
1295
Net Change
+2299
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7348
5K10K311015-984#7348#8332
10K15K223127+96#8332#8236
15K20K250103+147#8236#8089
20KHalf1192+117#8089#7972
Half25K4559+446#7972#7526
25K30K63210+622#7526#6904
30K20M3366+330#6904#6574
20M21M3146+308#6574#6266
21M35K1862+184#6266#6082
35K23M3192+317#6082#5765
23M24M2435+238#5765#5527
24M40K2282+226#5527#5301
40K25.2M911+90#5301#5211
25.2MFinish1675+162#5211#5049
TOTALS35941295+2299
📊

Passing Visuals

Category:
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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