Yan Zhu

Bib: 19156F

ID

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 40%
Division (F45-49)
#0 / 1817
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:44
Rank: #16039
Start5K
8:17/mi
25:44 split
10K· 6.21 mi
51:26
Rank: #16356 (-317)
5K10K
8:16/mi
25:42 split
15K· 9.32 mi
1:17:16
Rank: #16456 (-100)
10K15K
8:19/mi
25:50 split
20K· 12.43 mi
1:43:34
Rank: #16515 (-59)
15K20K
8:28/mi
26:18 split
Half· 13.11 mi
1:49:14
Rank: #16519 (-4)
20KHalf
8:18/mi
5:40 split
25K· 15.53 mi
2:10:00
Rank: #16532 (-13)
Half25K
8:34/mi
20:46 split
30K· 18.64 mi
2:37:20
Rank: #16412 (+120)
25K30K
8:48/mi
27:20 split
20M
2:49:22
Rank: #16333 (+79)
30K20M
8:51/mi
12:02 split
21M
2:58:47
Rank: #16281 (+52)
20M21M
9:25/mi
9:25 split
35K· 21.75 mi
3:05:25
Rank: #16309 (-28)
21M35K
8:52/mi
6:38 split
23M
3:16:57
Rank: #16352 (-43)
35K23M
9:13/mi
11:32 split
24M
3:25:53
Rank: #16372 (-20)
23M24M
8:56/mi
8:56 split
40K· 24.85 mi
3:33:40
Rank: #16366 (+6)
24M40K
9:06/mi
7:47 split
25.2M
3:37:04
Rank: #16376 (-10)
40K25.2M
9:52/mi
3:24 split
Finish· 26.22 mi
3:46:05
Rank: #16398 (-22)
25.2MFinish
8:51/mi
9:01 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:14
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:56:51
Pace8:55 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2625:448:1725:44
8:17
-
10K
6.21 mi11:43:0851:268:1725:42
8:16
-0:01
15K
9.32 mi12:08:581:17:168:1725:50
8:19
+0:03
20K
12.43 mi12:35:161:43:348:2026:18
8:28
+0:09
Half
13.11 mi12:40:561:49:148:205:40
8:18
-0:10
25K
15.53 mi13:01:422:10:008:2220:46
8:34
+0:16
30K
18.64 mi13:29:022:37:208:2627:20
8:48
+0:14
20M
20.00 mi13:41:042:49:228:2812:02
8:51
+0:03
21M
21.00 mi13:50:292:58:478:319:25
9:25
+0:34
35K
21.75 mi13:57:073:05:258:326:38
8:52
-0:33
23M
23.00 mi14:08:393:16:578:3411:32
9:13
+0:21
24M
24.00 mi14:17:353:25:538:358:56
8:56
-0:17
40K
24.85 mi14:25:223:33:408:367:47
9:06
+0:10
25.2M
25.20 mi14:28:463:37:048:373:24
9:52
+0:46
Finish
26.22 mi14:37:473:46:058:389:01
8:51
-1:01

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

8:16 /mi

Average Pace

8:38 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:57

86% of race

Time at Steady Pace

28:44

13% of race

Time at Slower Pace

3:24

2% 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 mi11:17:2625:448:1725:44
8:17
#16039
10K
6.21 mi11:43:0851:268:1725:42
8:16
#16356
15K
9.32 mi12:08:581:17:168:1725:50
8:19
#16456
20K
12.43 mi12:35:161:43:348:2026:18
8:28
#16515
Half
13.11 mi12:40:561:49:148:205:40
8:18
#16519
25K
15.53 mi13:01:422:10:008:2220:46
8:34
#16532
30K
18.64 mi13:29:022:37:208:2627:20
8:48
#16412
20M
20.00 mi13:41:042:49:228:2812:02
8:51
#16333
21M
21.00 mi13:50:292:58:478:319:25
9:25
#16281
35K
21.75 mi13:57:073:05:258:326:38
8:52
#16309
23M
23.00 mi14:08:393:16:578:3411:32
9:13
#16352
24M
24.00 mi14:17:353:25:538:358:56
8:56
#16372
40K
24.85 mi14:25:223:33:408:367:47
9:06
#16366
25.2M
25.20 mi14:28:463:37:048:373:24
9:52
#16376
Finish
26.22 mi14:37:473:46:058:389:01
8:51
#16398
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi160395312531216648(Top 63%)5699(Top 50%)5699(Top 314%)
10K6.21 mi3.10 mi16356-3175499-1875499-18716740(Top 63%)5712(Top 50%)5712(Top 314%)
15K9.32 mi3.11 mi16456-1005562-635562-6316648(Top 63%)5699(Top 50%)5699(Top 314%)
20K12.43 mi3.11 mi16515-595623-615623-6116637(Top 62%)5723(Top 50%)5723(Top 315%)
Half13.11 mi0.68 mi16519-45627-45627-416559(Top 62%)5642(Top 49%)5642(Top 311%)
25K15.53 mi2.42 mi16532-135656-295656-2916600(Top 62%)5774(Top 51%)5774(Top 318%)
30K18.64 mi3.11 mi16412+1205632+245632+2416056(Top 60%)5535(Top 48%)5535(Top 305%)
20M20.00 mi1.36 mi16333+795604+285604+2815770(Top 59%)5434(Top 48%)5434(Top 299%)
21M21.00 mi1.00 mi16281+525587+175587+1715584(Top 59%)5398(Top 47%)5398(Top 297%)
35K21.75 mi0.75 mi16309-285608-215608-2117291(Top 65%)6431(Top 56%)6431(Top 354%)
23M23.00 mi1.25 mi16352-435649-415649-4117122(Top 64%)6351(Top 56%)6351(Top 350%)
24M24.00 mi1.00 mi16372-205673-245673-2416934(Top 64%)6315(Top 55%)6315(Top 348%)
40K24.85 mi0.85 mi16366+65694-215694-2116662(Top 63%)6215(Top 54%)6215(Top 342%)
25.2M25.20 mi0.35 mi16376-105706-125706-1216844(Top 63%)6335(Top 55%)6335(Top 349%)
Finish26.22 mi1.02 mi16398-225719-135719-1317280(Top 65%)6521(Top 57%)6521(Top 359%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16648

Females

5699

F45-49

5699

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16740

Females

5712

F45-49

5712

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16648

Females

5699

F45-49

5699

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16637

Females

5723

F45-49

5723

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16559

Females

5642

F45-49

5642

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16600

Females

5774

F45-49

5774

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

16056

Females

5535

F45-49

5535

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15770

Females

5434

F45-49

5434

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15584

Females

5398

F45-49

5398

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17291

Females

6431

F45-49

6431

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

17122

Females

6351

F45-49

6351

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

16934

Females

6315

F45-49

6315

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16662

Females

6215

F45-49

6215

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16844

Females

6335

F45-49

6335

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17280

Females

6521

F45-49

6521

Passing Analysis

Category:
Athletes Passed
1408
Passed By
1767
Net Change
-359
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16039
5K10K173490-317#16039#16356
10K15K152252-100#16356#16456
15K20K148207-59#16456#16515
20KHalf2428-4#16515#16519
Half25K130143-13#16519#16532
25K30K242122+120#16532#16412
30K20M11940+79#16412#16333
20M21M10149+52#16333#16281
21M35K3866-28#16281#16309
35K23M66109-43#16309#16352
23M24M6181-20#16352#16372
24M40K7771+6#16372#16366
40K25.2M2434-10#16366#16376
25.2MFinish5375-22#16376#16398
TOTALS14081767-359
📊

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