Zhonglan Shen

Bib: 19047F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 37%
Division (F50-54)
#0 / 1207
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:56
Rank: #16485
Start5K
25:56 | 8:21/mi
10K· 6.21 mi
51:45
Rank: #16710 (-225)
5K10K
25:49 | 8:19/mi
15K· 9.32 mi
1:16:37
Rank: #15976 (+734)
10K15K
24:52 | 8:00/mi
20K· 12.43 mi
1:42:25
Rank: #15863 (+113)
15K20K
25:48 | 8:18/mi
Half· 13.11 mi
1:47:44
Rank: #15701 (+162)
20KHalf
5:19 | 7:48/mi
25K· 15.53 mi
2:07:54
Rank: #15573 (+128)
Half25K
20:10 | 8:19/mi
30K· 18.64 mi
2:35:41
Rank: #15822 (-249)
25K30K
27:47 | 8:57/mi
20M
2:47:31
Rank: #15715 (+107)
30K20M
11:50 | 8:42/mi
21M
2:57:32
Rank: #15893 (-178)
20M21M
10:01 | 10:01/mi
35K· 21.75 mi
3:04:07
Rank: #15912 (-19)
21M35K
6:35 | 8:48/mi
23M
3:15:47
Rank: #16037 (-125)
35K23M
11:40 | 9:19/mi
24M
3:24:10
Rank: #15930 (+107)
23M24M
8:23 | 8:23/mi
40K· 24.85 mi
3:31:54
Rank: #15930
24M40K
7:44 | 9:03/mi
25.2M
3:35:23
Rank: #15961 (-31)
40K25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:44:22
Rank: #16011 (-50)
25.2MFinish
8:59 | 8:49/mi

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
Time1:56:38
Pace8:54 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4325:568:2125:56
8:21
-
10K
6.21 mi11:43:3251:458:2025:49
8:19
-0:02
15K
9.32 mi12:08:241:16:378:1324:52
8:00
-0:19
20K
12.43 mi12:34:121:42:258:1425:48
8:18
+0:18
Half
13.11 mi12:39:311:47:448:135:19
7:48
-0:30
25K
15.53 mi12:59:412:07:548:1420:10
8:19
+0:31
30K
18.64 mi13:27:282:35:418:2127:47
8:57
+0:38
20M
20.00 mi13:39:182:47:318:2311:50
8:42
-0:15
21M
21.00 mi13:49:192:57:328:2710:01
10:01
+1:19
35K
21.75 mi13:55:543:04:078:286:35
8:48
-1:13
23M
23.00 mi14:07:343:15:478:3111:40
9:19
+0:31
24M
24.00 mi14:15:573:24:108:308:23
8:23
-0:56
40K
24.85 mi14:23:413:31:548:327:44
9:03
+0:40
25.2M
25.20 mi14:27:103:35:238:333:29
10:06
+1:03
Finish
26.22 mi14:36:093:44:228:348:59
8:49
-1:17

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

7:48 /mi

Average Pace

8:34 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:54

57% of race

Time at Steady Pace

1:03:34

28% of race

Time at Slower Pace

32:54

15% of race

Average Pace: 8:33 /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 mi11:17:4325:568:2125:56
8:21
#16485
10K
6.21 mi11:43:3251:458:2025:49
8:19
#16710
15K
9.32 mi12:08:241:16:378:1324:52
8:00
#15976
20K
12.43 mi12:34:121:42:258:1425:48
8:18
#15863
Half
13.11 mi12:39:311:47:448:135:19
7:48
#15701
25K
15.53 mi12:59:412:07:548:1420:10
8:19
#15573
30K
18.64 mi13:27:282:35:418:2127:47
8:57
#15822
20M
20.00 mi13:39:182:47:318:2311:50
8:42
#15715
21M
21.00 mi13:49:192:57:328:2710:01
10:01
#15893
35K
21.75 mi13:55:543:04:078:286:35
8:48
#15912
23M
23.00 mi14:07:343:15:478:3111:40
9:19
#16037
24M
24.00 mi14:15:573:24:108:308:23
8:23
#15930
40K
24.85 mi14:23:413:31:548:327:44
9:03
#15930
25.2M
25.20 mi14:27:103:35:238:333:29
10:06
#15961
Finish
26.22 mi14:36:093:44:228:348:59
8:49
#16011
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi164855594559414436(Top 54%)4344(Top 38%)4344(Top 360%)
10K6.21 mi3.10 mi16710-2255716-1225716-12217005(Top 64%)5875(Top 51%)5875(Top 487%)
15K9.32 mi3.11 mi15976+7345267+4495267+44914436(Top 54%)4344(Top 38%)4344(Top 360%)
20K12.43 mi3.11 mi15863+1135222+455222+4515646(Top 59%)5126(Top 45%)5126(Top 425%)
Half13.11 mi0.68 mi15701+1625124+985124+9812777(Top 48%)3383(Top 30%)3383(Top 280%)
25K15.53 mi2.42 mi15573+1285077+475077+4715083(Top 57%)4899(Top 43%)4899(Top 406%)
30K18.64 mi3.11 mi15822-2495266-1895266-18916883(Top 63%)5997(Top 52%)5997(Top 497%)
20M20.00 mi1.36 mi15715+1075218+485218+4814931(Top 56%)4958(Top 43%)4958(Top 411%)
21M21.00 mi1.00 mi15893-1785351-1335351-13318102(Top 68%)6814(Top 60%)6814(Top 565%)
35K21.75 mi0.75 mi15912-195378-275378-2716946(Top 64%)6240(Top 55%)6240(Top 517%)
23M23.00 mi1.25 mi16037-1255481-1035481-10317605(Top 66%)6629(Top 58%)6629(Top 549%)
24M24.00 mi1.00 mi15930+1075433+485433+4813813(Top 52%)4571(Top 40%)4571(Top 379%)
40K24.85 mi0.85 mi159305440-75440-716409(Top 62%)6082(Top 53%)6082(Top 504%)
25.2M25.20 mi0.35 mi15961-315463-235463-2317786(Top 67%)6836(Top 60%)6836(Top 566%)
Finish26.22 mi1.02 mi16011-505495-325495-3217124(Top 64%)6439(Top 56%)6439(Top 533%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14436

Females

4344

F50-54

4344

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17005

Females

5875

F50-54

5875

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14436

Females

4344

F50-54

4344

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

15646

Females

5126

F50-54

5126

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12777

Females

3383

F50-54

3383

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15083

Females

4899

F50-54

4899

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16883

Females

5997

F50-54

5997

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14931

Females

4958

F50-54

4958

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18102

Females

6814

F50-54

6814

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

16946

Females

6240

F50-54

6240

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17605

Females

6629

F50-54

6629

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13813

Females

4571

F50-54

4571

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16409

Females

6082

F50-54

6082

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17786

Females

6836

F50-54

6836

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17124

Females

6439

F50-54

6439

Passing Analysis

Category:
Athletes Passed
2171
Passed By
1697
Net Change
+474
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16485
5K10K202427-225#16485#16710
10K15K76430+734#16710#15976
15K20K224111+113#15976#15863
20KHalf1642+162#15863#15701
Half25K19466+128#15701#15573
25K30K92341-249#15573#15822
30K20M14639+107#15822#15715
20M21M36214-178#15715#15893
21M35K4665-19#15893#15912
35K23M48173-125#15912#16037
23M24M13528+107#16037#15930
24M40K57570#15930#15930
40K25.2M1950-31#15930#15961
25.2MFinish4494-50#15961#16011
TOTALS21711697+474
📊

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