Lan Shen

Bib: 20723F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 40%
Division (F50-54)
#0 / 1303
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:02
Rank: #17080
Start5K
8:03/mi
25:02 split
10K· 6.21 mi
50:03
Rank: #16951 (+129)
5K10K
8:03/mi
25:01 split
15K· 9.32 mi
1:15:15
Rank: #16887 (+64)
10K15K
8:07/mi
25:12 split
20K· 12.43 mi
1:41:13
Rank: #17001 (-114)
15K20K
8:21/mi
25:58 split
Half· 13.11 mi
1:46:56
Rank: #17060 (-59)
20KHalf
8:23/mi
5:43 split
25K· 15.53 mi
2:07:36
Rank: #17043 (+17)
Half25K
8:31/mi
20:40 split
30K· 18.64 mi
2:35:53
Rank: #17219 (-176)
25K30K
9:06/mi
28:17 split
20M
2:48:29
Rank: #17299 (-80)
30K20M
9:16/mi
12:36 split
21M
2:58:37
Rank: #17403 (-104)
20M21M
10:08/mi
10:08 split
35K· 21.75 mi
3:04:56
Rank: #17302 (+101)
21M35K
8:27/mi
6:19 split
23M
3:16:17
Rank: #17255 (+47)
35K23M
9:04/mi
11:21 split
24M
3:25:10
Rank: #17208 (+47)
23M24M
8:53/mi
8:53 split
40K· 24.85 mi
3:33:02
Rank: #17223 (-15)
24M40K
9:12/mi
7:52 split
25.2M
3:36:40
Rank: #17268 (-45)
40K25.2M
10:32/mi
3:38 split
Finish· 26.22 mi
3:45:58
Rank: #17370 (-102)
25.2MFinish
9:08/mi
9:18 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:56
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:59:02
Pace9:05 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1425:028:0325:02
8:03
-
10K
6.21 mi11:44:1550:038:0325:01
8:03
0:00
15K
9.32 mi12:09:271:15:158:0425:12
8:07
+0:04
20K
12.43 mi12:35:251:41:138:0925:58
8:21
+0:14
Half
13.11 mi12:41:081:46:568:095:43
8:23
+0:02
25K
15.53 mi13:01:482:07:368:1320:40
8:31
+0:08
30K
18.64 mi13:30:052:35:538:2228:17
9:06
+0:35
20M
20.00 mi13:42:412:48:298:2512:36
9:16
+0:10
21M
21.00 mi13:52:492:58:378:3010:08
10:08
+0:52
35K
21.75 mi13:59:083:04:568:306:19
8:27
-1:41
23M
23.00 mi14:10:293:16:178:3211:21
9:04
+0:37
24M
24.00 mi14:19:223:25:108:338:53
8:53
-0:11
40K
24.85 mi14:27:143:33:028:347:52
9:12
+0:19
25.2M
25.20 mi14:30:523:36:408:363:38
10:32
+1:20
Finish
26.22 mi14:40:103:45:588:379:18
9:08
-1:24

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

8:03 /mi

Average Pace

8:37 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:55

59% of race

Time at Steady Pace

1:05:41

29% of race

Time at Slower Pace

26:22

12% of race

Average Pace: 8:37 /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 mi11:19:1425:028:0325:02
8:03
#17080
10K
6.21 mi11:44:1550:038:0325:01
8:03
#16951
15K
9.32 mi12:09:271:15:158:0425:12
8:07
#16887
20K
12.43 mi12:35:251:41:138:0925:58
8:21
#17001
Half
13.11 mi12:41:081:46:568:095:43
8:23
#17060
25K
15.53 mi13:01:482:07:368:1320:40
8:31
#17043
30K
18.64 mi13:30:052:35:538:2228:17
9:06
#17219
20M
20.00 mi13:42:412:48:298:2512:36
9:16
#17299
21M
21.00 mi13:52:492:58:378:3010:08
10:08
#17403
35K
21.75 mi13:59:083:04:568:306:19
8:27
#17302
23M
23.00 mi14:10:293:16:178:3211:21
9:04
#17255
24M
24.00 mi14:19:223:25:108:338:53
8:53
#17208
40K
24.85 mi14:27:143:33:028:347:52
9:12
#17223
25.2M
25.20 mi14:30:523:36:408:363:38
10:32
#17268
Finish
26.22 mi14:40:103:45:588:379:18
9:08
#17370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi170805784578416829(Top 59%)5632(Top 46%)5632(Top 432%)
10K6.21 mi3.10 mi16951+1295696+885696+8816871(Top 59%)5630(Top 46%)5630(Top 432%)
15K9.32 mi3.11 mi16887+645656+405656+4016829(Top 59%)5632(Top 46%)5632(Top 432%)
20K12.43 mi3.11 mi17001-1145740-845740-8417298(Top 61%)5943(Top 49%)5943(Top 456%)
Half13.11 mi0.68 mi17060-595782-425782-4218510(Top 65%)6624(Top 54%)6624(Top 508%)
25K15.53 mi2.42 mi17043+175793-115793-1117355(Top 61%)6057(Top 50%)6057(Top 465%)
30K18.64 mi3.11 mi17219-1765944-1515944-15118198(Top 64%)6690(Top 55%)6690(Top 513%)
20M20.00 mi1.36 mi17299-806025-816025-8118169(Top 64%)6809(Top 56%)6809(Top 523%)
21M21.00 mi1.00 mi17403-1046118-936118-9318810(Top 66%)7235(Top 59%)7235(Top 555%)
35K21.75 mi0.75 mi17302+1016082+366082+3615174(Top 53%)5336(Top 44%)5336(Top 410%)
23M23.00 mi1.25 mi17255+476087-56087-516644(Top 59%)6245(Top 51%)6245(Top 479%)
24M24.00 mi1.00 mi17208+476082+56082+516783(Top 59%)6373(Top 52%)6373(Top 489%)
40K24.85 mi0.85 mi17223-156119-376119-3717366(Top 61%)6784(Top 55%)6784(Top 521%)
25.2M25.20 mi0.35 mi17268-456151-326151-3219157(Top 67%)7712(Top 63%)7712(Top 592%)
Finish26.22 mi1.02 mi17370-1026237-866237-8619638(Top 69%)7935(Top 65%)7935(Top 609%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16829

Females

5632

F50-54

5632

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16871

Females

5630

F50-54

5630

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16829

Females

5632

F50-54

5632

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17298

Females

5943

F50-54

5943

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18510

Females

6624

F50-54

6624

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17355

Females

6057

F50-54

6057

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18198

Females

6690

F50-54

6690

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18169

Females

6809

F50-54

6809

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18810

Females

7235

F50-54

7235

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15174

Females

5336

F50-54

5336

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16644

Females

6245

F50-54

6245

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16783

Females

6373

F50-54

6373

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17366

Females

6784

F50-54

6784

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19157

Females

7712

F50-54

7712

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19638

Females

7935

F50-54

7935

Passing Analysis

Category:
Athletes Passed
1753
Passed By
2043
Net Change
-290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17080
5K10K364235+129#17080#16951
10K15K239175+64#16951#16887
15K20K159273-114#16887#17001
20KHalf1978-59#17001#17060
Half25K164147+17#17060#17043
25K30K178354-176#17043#17219
30K20M82162-80#17219#17299
20M21M72176-104#17299#17403
21M35K11817+101#17403#17302
35K23M13184+47#17302#17255
23M24M10255+47#17255#17208
24M40K6176-15#17208#17223
40K25.2M2671-45#17223#17268
25.2MFinish38140-102#17268#17370
TOTALS17532043-290
📊

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