Juan Li

Bib: 21595F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:18
Rank: #21457
Start5K
8:47/mi
27:18 split
10K· 6.21 mi
54:13
Rank: #21038 (+419)
5K10K
8:40/mi
26:55 split
15K· 9.32 mi
1:21:57
Rank: #21220 (-182)
10K15K
8:56/mi
27:44 split
20K· 12.43 mi
1:50:23
Rank: #21350 (-130)
15K20K
9:09/mi
28:26 split
Half· 13.11 mi
1:56:32
Rank: #21390 (-40)
20KHalf
9:01/mi
6:09 split
25K· 15.53 mi
2:19:12
Rank: #21387 (+3)
Half25K
9:21/mi
22:40 split
30K· 18.64 mi
2:48:40
Rank: #21100 (+287)
25K30K
9:29/mi
29:28 split
20M
3:05:03
Rank: #21691 (-591)
30K20M
12:03/mi
16:23 split
21M
3:15:24
Rank: #21554 (+137)
20M21M
10:21/mi
10:21 split
35K· 21.75 mi
3:22:16
Rank: #21468 (+86)
21M35K
9:11/mi
6:52 split
23M
3:34:20
Rank: #21312 (+156)
35K23M
9:38/mi
12:04 split
24M
3:43:41
Rank: #21212 (+100)
23M24M
9:21/mi
9:21 split
40K· 24.85 mi
3:52:14
Rank: #21174 (+38)
24M40K
10:00/mi
8:33 split
25.2M
3:55:59
Rank: #21153 (+21)
40K25.2M
10:52/mi
3:45 split
Finish· 26.22 mi
4:05:32
Rank: #21127 (+26)
25.2MFinish
9:22/mi
9:33 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:32
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:09:00
Pace9:50 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5627:188:4727:18
8:47
-
10K
6.21 mi11:48:5154:138:4426:55
8:40
-0:07
15K
9.32 mi12:16:351:21:578:4827:44
8:56
+0:16
20K
12.43 mi12:45:011:50:238:5328:26
9:09
+0:13
Half
13.11 mi12:51:101:56:328:536:09
9:01
-0:08
25K
15.53 mi13:13:502:19:128:5822:40
9:21
+0:20
30K
18.64 mi13:43:182:48:409:0329:28
9:29
+0:08
20M
20.00 mi13:59:413:05:039:1516:23
12:03
+2:34
21M
21.00 mi14:10:023:15:249:1810:21
10:21
-1:42
35K
21.75 mi14:16:543:22:169:186:52
9:11
-1:10
23M
23.00 mi14:28:583:34:209:1912:04
9:38
+0:27
24M
24.00 mi14:38:193:43:419:199:21
9:21
-0:17
40K
24.85 mi14:46:523:52:149:218:33
10:00
+0:39
25.2M
25.20 mi14:50:373:55:599:223:45
10:52
+0:52
Finish
26.22 mi15:00:104:05:329:229:33
9:22
-1:30

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

8:40 /mi

Average Pace

9:22 /mi

Slowest Pace

12:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:13

22% of race

Time at Steady Pace

2:32:17

62% of race

Time at Slower Pace

39:02

16% of race

Average Pace: 9:22 /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 mi11:21:5627:188:4727:18
8:47
#21457
10K
6.21 mi11:48:5154:138:4426:55
8:40
#21038
15K
9.32 mi12:16:351:21:578:4827:44
8:56
#21220
20K
12.43 mi12:45:011:50:238:5328:26
9:09
#21350
Half
13.11 mi12:51:101:56:328:536:09
9:01
#21390
25K
15.53 mi13:13:502:19:128:5822:40
9:21
#21387
30K
18.64 mi13:43:182:48:409:0329:28
9:29
#21100
20M
20.00 mi13:59:413:05:039:1516:23
12:03
#21691
21M
21.00 mi14:10:023:15:249:1810:21
10:21
#21554
35K
21.75 mi14:16:543:22:169:186:52
9:11
#21468
23M
23.00 mi14:28:583:34:209:1912:04
9:38
#21312
24M
24.00 mi14:38:193:43:419:199:21
9:21
#21212
40K
24.85 mi14:46:523:52:149:218:33
10:00
#21174
25.2M
25.20 mi14:50:373:55:599:223:45
10:52
#21153
Finish
26.22 mi15:00:104:05:329:229:33
9:22
#21127
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi214578339833921697(Top 76%)8377(Top 69%)8377(Top 462%)
10K6.21 mi3.10 mi21038+4198076+2638076+26320692(Top 73%)7857(Top 64%)7857(Top 433%)
15K9.32 mi3.11 mi21220-1828160-848160-8421697(Top 76%)8377(Top 69%)8377(Top 462%)
20K12.43 mi3.11 mi21350-1308227-678227-6721692(Top 76%)8424(Top 69%)8424(Top 465%)
Half13.11 mi0.68 mi21390-408256-298256-2921904(Top 77%)8540(Top 70%)8540(Top 471%)
25K15.53 mi2.42 mi21387+38264-88264-821361(Top 75%)8286(Top 68%)8286(Top 457%)
30K18.64 mi3.11 mi21100+2878140+1248140+12419885(Top 70%)7600(Top 62%)7600(Top 419%)
20M20.00 mi1.36 mi21691-5918464-3248464-32425341(Top 89%)10663(Top 87%)10663(Top 588%)
21M21.00 mi1.00 mi21554+1378419+458419+4519567(Top 69%)7668(Top 63%)7668(Top 423%)
35K21.75 mi0.75 mi21468+868385+348385+3419127(Top 67%)7522(Top 62%)7522(Top 415%)
23M23.00 mi1.25 mi21312+1568328+578328+5719247(Top 68%)7647(Top 63%)7647(Top 422%)
24M24.00 mi1.00 mi21212+1008295+338295+3319060(Top 67%)7580(Top 62%)7580(Top 418%)
40K24.85 mi0.85 mi21174+388297-28297-220471(Top 72%)8391(Top 69%)8391(Top 463%)
25.2M25.20 mi0.35 mi21153+218292+58292+520292(Top 71%)8312(Top 68%)8312(Top 458%)
Finish26.22 mi1.02 mi21127+268292829220690(Top 73%)8495(Top 69%)8495(Top 469%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21697

Females

8377

F45-49

8377

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

20692

Females

7857

F45-49

7857

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21697

Females

8377

F45-49

8377

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21692

Females

8424

F45-49

8424

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

21904

Females

8540

F45-49

8540

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21361

Females

8286

F45-49

8286

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19885

Females

7600

F45-49

7600

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25341

Females

10663

F45-49

10663

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19567

Females

7668

F45-49

7668

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

19127

Females

7522

F45-49

7522

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

19247

Females

7647

F45-49

7647

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

19060

Females

7580

F45-49

7580

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20471

Females

8391

F45-49

8391

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20292

Females

8312

F45-49

8312

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20690

Females

8495

F45-49

8495

Passing Analysis

Category:
Athletes Passed
2099
Passed By
1769
Net Change
+330
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21457
5K10K547128+419#21457#21038
10K15K145327-182#21038#21220
15K20K157287-130#21220#21350
20KHalf2565-40#21350#21390
Half25K152149+3#21390#21387
25K30K34760+287#21387#21100
30K20M11602-591#21100#21691
20M21M15619+137#21691#21554
21M35K10115+86#21554#21468
35K23M18630+156#21468#21312
23M24M11212+100#21312#21212
24M40K7032+38#21212#21174
40K25.2M3312+21#21174#21153
25.2MFinish5731+26#21153#21127
TOTALS20991769+330
📊

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