Shengfang Jin

Bib: 22094F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
Masters (Masters Women)
#0 / 6539
Top 25%
Division (F55-59)
#0 / 815
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:00
Rank: #16642
Start5K
8:22/mi
26:00 split
10K· 6.21 mi
51:26
Rank: #16347 (+295)
5K10K
8:11/mi
25:26 split
15K· 9.32 mi
1:16:55
Rank: #16199 (+148)
10K15K
8:12/mi
25:29 split
20K· 12.43 mi
1:42:17
Rank: #15788 (+411)
15K20K
8:10/mi
25:22 split
Half· 13.11 mi
1:47:44
Rank: #15700 (+88)
20KHalf
7:59/mi
5:27 split
25K· 15.53 mi
2:07:21
Rank: #15343 (+357)
Half25K
8:05/mi
19:37 split
30K· 18.64 mi
2:33:29
Rank: #15025 (+318)
25K30K
8:25/mi
26:08 split
20M
2:45:07
Rank: #14936 (+89)
30K20M
8:34/mi
11:38 split
21M
2:53:44
Rank: #14713 (+223)
20M21M
8:37/mi
8:37 split
35K· 21.75 mi
2:59:50
Rank: #14634 (+79)
21M35K
8:09/mi
6:06 split
23M
3:10:29
Rank: #14544 (+90)
35K23M
8:30/mi
10:39 split
24M
3:18:34
Rank: #14403 (+141)
23M24M
8:05/mi
8:05 split
40K· 24.85 mi
3:25:36
Rank: #14287 (+116)
24M40K
8:14/mi
7:02 split
25.2M
3:28:40
Rank: #14239 (+48)
40K25.2M
8:54/mi
3:04 split
Finish· 26.22 mi
3:36:41
Rank: #14106 (+133)
25.2MFinish
7:52/mi
8:01 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:44
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:48:57
Pace8:19 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0426:008:2226:00
8:22
-
10K
6.21 mi11:45:3051:268:1725:26
8:11
-0:11
15K
9.32 mi12:10:591:16:558:1525:29
8:12
+0:01
20K
12.43 mi12:36:211:42:178:1425:22
8:10
-0:02
Half
13.11 mi12:41:481:47:448:135:27
7:59
-0:11
25K
15.53 mi13:01:252:07:218:1219:37
8:05
+0:06
30K
18.64 mi13:27:332:33:298:1426:08
8:25
+0:20
20M
20.00 mi13:39:112:45:078:1511:38
8:34
+0:09
21M
21.00 mi13:47:482:53:448:168:37
8:37
+0:03
35K
21.75 mi13:53:542:59:508:166:06
8:09
-0:28
23M
23.00 mi14:04:333:10:298:1710:39
8:30
+0:21
24M
24.00 mi14:12:383:18:348:168:05
8:05
-0:25
40K
24.85 mi14:19:403:25:368:167:02
8:14
+0:09
25.2M
25.20 mi14:22:443:28:408:173:04
8:54
+0:40
Finish
26.22 mi14:30:453:36:418:168:01
7:52
-1:02

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

7:52 /mi

Average Pace

8:16 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:37

99% of race

Time at Steady Pace

3:04

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:16 /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 mi11:20:0426:008:2226:00
8:22
#16642
10K
6.21 mi11:45:3051:268:1725:26
8:11
#16347
15K
9.32 mi12:10:591:16:558:1525:29
8:12
#16199
20K
12.43 mi12:36:211:42:178:1425:22
8:10
#15788
Half
13.11 mi12:41:481:47:448:135:27
7:59
#15700
25K
15.53 mi13:01:252:07:218:1219:37
8:05
#15343
30K
18.64 mi13:27:332:33:298:1426:08
8:25
#15025
20M
20.00 mi13:39:112:45:078:1511:38
8:34
#14936
21M
21.00 mi13:47:482:53:448:168:37
8:37
#14713
35K
21.75 mi13:53:542:59:508:166:06
8:09
#14634
23M
23.00 mi14:04:333:10:298:1710:39
8:30
#14544
24M
24.00 mi14:12:383:18:348:168:05
8:05
#14403
40K
24.85 mi14:19:403:25:368:167:02
8:14
#14287
25.2M
25.20 mi14:22:443:28:408:173:04
8:54
#14239
Finish
26.22 mi14:30:453:36:418:168:01
7:52
#14106
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi166425690569015881(Top 60%)5215(Top 46%)5215(Top 640%)
10K6.21 mi3.10 mi16347+2955490+2005490+20016154(Top 61%)5369(Top 47%)5369(Top 659%)
15K9.32 mi3.11 mi16199+1485409+815409+8115881(Top 60%)5215(Top 46%)5215(Top 640%)
20K12.43 mi3.11 mi15788+4115173+2365173+23614716(Top 55%)4537(Top 40%)4537(Top 557%)
Half13.11 mi0.68 mi15700+885123+505123+5014342(Top 54%)4286(Top 38%)4286(Top 526%)
25K15.53 mi2.42 mi15343+3574927+1964927+19613469(Top 51%)3908(Top 34%)3908(Top 480%)
30K18.64 mi3.11 mi15025+3184766+1614766+16113770(Top 52%)4196(Top 37%)4196(Top 515%)
20M20.00 mi1.36 mi14936+894729+374729+3714019(Top 53%)4419(Top 39%)4419(Top 542%)
21M21.00 mi1.00 mi14713+2234621+1084621+10811206(Top 42%)2988(Top 26%)2988(Top 367%)
35K21.75 mi0.75 mi14634+794584+374584+3713194(Top 50%)4115(Top 36%)4115(Top 505%)
23M23.00 mi1.25 mi14544+904550+344550+3413297(Top 50%)4239(Top 37%)4239(Top 520%)
24M24.00 mi1.00 mi14403+1414493+574493+5711874(Top 45%)3536(Top 31%)3536(Top 434%)
40K24.85 mi0.85 mi14287+1164447+464447+4611588(Top 44%)3466(Top 30%)3466(Top 425%)
25.2M25.20 mi0.35 mi14239+484430+174430+1711997(Top 45%)3735(Top 33%)3735(Top 458%)
Finish26.22 mi1.02 mi14106+1334362+684362+6811198(Top 42%)3304(Top 29%)3304(Top 405%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

15881

Females

5215

F55-59

5215

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16154

Females

5369

F55-59

5369

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

15881

Females

5215

F55-59

5215

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14716

Females

4537

F55-59

4537

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14342

Females

4286

F55-59

4286

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13469

Females

3908

F55-59

3908

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13770

Females

4196

F55-59

4196

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14019

Females

4419

F55-59

4419

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11206

Females

2988

F55-59

2988

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13194

Females

4115

F55-59

4115

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13297

Females

4239

F55-59

4239

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11874

Females

3536

F55-59

3536

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11588

Females

3466

F55-59

3466

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11997

Females

3735

F55-59

3735

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11198

Females

3304

F55-59

3304

Passing Analysis

Category:
Athletes Passed
3070
Passed By
534
Net Change
+2536
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16642
5K10K486191+295#16642#16347
10K15K266118+148#16347#16199
15K20K43827+411#16199#15788
20KHalf935+88#15788#15700
Half25K37215+357#15700#15343
25K30K35739+318#15343#15025
30K20M12738+89#15025#14936
20M21M2285+223#14936#14713
21M35K9617+79#14713#14634
35K23M12131+90#14634#14544
23M24M15514+141#14544#14403
24M40K13115+116#14403#14287
40K25.2M524+48#14287#14239
25.2MFinish14815+133#14239#14106
TOTALS3070534+2536
📊

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