Junhua Shen

Bib: 5579M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 42%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 45%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:21
Rank: #12376
Start5K
23:21 | 7:31/mi
10K· 6.21 mi
47:01
Rank: #12706 (-330)
5K10K
23:40 | 7:37/mi
15K· 9.32 mi
1:10:57
Rank: #12961 (-255)
10K15K
23:56 | 7:42/mi
20K· 12.43 mi
1:35:33
Rank: #13263 (-302)
15K20K
24:36 | 7:55/mi
Half· 13.11 mi
1:40:39
Rank: #13165 (+98)
20KHalf
5:06 | 7:29/mi
25K· 15.53 mi
1:59:16
Rank: #12819 (+346)
Half25K
18:37 | 7:41/mi
30K· 18.64 mi
2:23:38
Rank: #12318 (+501)
25K30K
24:22 | 7:51/mi
20M
2:34:35
Rank: #12142 (+176)
30K20M
10:57 | 8:03/mi
21M
2:43:03
Rank: #12000 (+142)
20M21M
8:28 | 8:28/mi
35K· 21.75 mi
2:49:00
Rank: #11984 (+16)
21M35K
5:57 | 7:57/mi
23M
2:59:28
Rank: #11983 (+1)
35K23M
10:28 | 8:22/mi
24M
3:07:50
Rank: #12061 (-78)
23M24M
8:22 | 8:22/mi
40K· 24.85 mi
3:15:04
Rank: #12091 (-30)
24M40K
7:14 | 8:28/mi
25.2M
3:18:09
Rank: #12054 (+37)
40K25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:25:59
Rank: #11985 (+69)
25.2MFinish
7:50 | 7:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:39
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:45:20
Pace8:02 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:1723:217:3123:21
7:31
-
10K
6.21 mi10:53:5747:017:3423:40
7:37
+0:06
15K
9.32 mi11:17:531:10:577:3723:56
7:42
+0:05
20K
12.43 mi11:42:291:35:337:4124:36
7:55
+0:13
Half
13.11 mi11:47:351:40:397:415:06
7:29
-0:26
25K
15.53 mi12:06:121:59:167:4118:37
7:41
+0:12
30K
18.64 mi12:30:342:23:387:4224:22
7:51
+0:10
20M
20.00 mi12:41:312:34:357:4410:57
8:03
+0:12
21M
21.00 mi12:49:592:43:037:468:28
8:28
+0:25
35K
21.75 mi12:55:562:49:007:465:57
7:57
-0:31
23M
23.00 mi13:06:242:59:287:4810:28
8:22
+0:25
24M
24.00 mi13:14:463:07:507:508:22
8:22
0:00
40K
24.85 mi13:22:003:15:047:517:14
8:28
+0:06
25.2M
25.20 mi13:25:053:18:097:523:05
8:56
+0:28
Finish
26.22 mi13:32:553:25:597:527:50
7:41
-1:15

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

7:29 /mi

Average Pace

7:52 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:22

82% of race

Time at Steady Pace

34:32

17% of race

Time at Slower Pace

3:05

1% of race

Average Pace: 7:51 /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 mi10:30:1723:217:3123:21
7:31
#12376
10K
6.21 mi10:53:5747:017:3423:40
7:37
#12706
15K
9.32 mi11:17:531:10:577:3723:56
7:42
#12961
20K
12.43 mi11:42:291:35:337:4124:36
7:55
#13263
Half
13.11 mi11:47:351:40:397:415:06
7:29
#13165
25K
15.53 mi12:06:121:59:167:4118:37
7:41
#12819
30K
18.64 mi12:30:342:23:387:4224:22
7:51
#12318
20M
20.00 mi12:41:312:34:357:4410:57
8:03
#12142
21M
21.00 mi12:49:592:43:037:468:28
8:28
#12000
35K
21.75 mi12:55:562:49:007:465:57
7:57
#11984
23M
23.00 mi13:06:242:59:287:4810:28
8:22
#11983
24M
24.00 mi13:14:463:07:507:508:22
8:22
#12061
40K
24.85 mi13:22:003:15:047:517:14
8:28
#12091
25.2M
25.20 mi13:25:053:18:097:523:05
8:56
#12054
Finish
26.22 mi13:32:553:25:597:527:50
7:41
#11985
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi123769340934013516(Top 48%)9730(Top 60%)9730(Top 408%)
10K6.21 mi3.10 mi12706-3309488-1489488-14813166(Top 46%)9658(Top 60%)9658(Top 405%)
15K9.32 mi3.11 mi12961-2559558-709558-7013516(Top 48%)9730(Top 60%)9730(Top 408%)
20K12.43 mi3.11 mi13263-3029637-799637-7914230(Top 50%)9972(Top 62%)9972(Top 418%)
Half13.11 mi0.68 mi13165+989588+499588+4911463(Top 40%)8773(Top 54%)8773(Top 368%)
25K15.53 mi2.42 mi12819+3469412+1769412+17611367(Top 40%)8561(Top 53%)8561(Top 359%)
30K18.64 mi3.11 mi12318+5019121+2919121+29110236(Top 36%)7814(Top 49%)7814(Top 327%)
20M20.00 mi1.36 mi12142+1769006+1159006+11510817(Top 38%)7951(Top 49%)7951(Top 333%)
21M21.00 mi1.00 mi12000+1428901+1058901+10510237(Top 36%)7487(Top 46%)7487(Top 314%)
35K21.75 mi0.75 mi11984+168868+338868+3311901(Top 42%)8271(Top 51%)8271(Top 347%)
23M23.00 mi1.25 mi11983+18829+398829+3912402(Top 44%)8419(Top 52%)8419(Top 353%)
24M24.00 mi1.00 mi12061-788823+68823+613629(Top 48%)8956(Top 56%)8956(Top 375%)
40K24.85 mi0.85 mi12091-308806+178806+1713154(Top 46%)8593(Top 53%)8593(Top 360%)
25.2M25.20 mi0.35 mi12054+378769+378769+3711421(Top 40%)7681(Top 48%)7681(Top 322%)
Finish26.22 mi1.02 mi11985+698715+548715+5410606(Top 37%)7314(Top 45%)7314(Top 307%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

13516

Males

9730

M45-49

9730

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

13166

Males

9658

M45-49

9658

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

13516

Males

9730

M45-49

9730

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14230

Males

9972

M45-49

9972

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11463

Males

8773

M45-49

8773

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

11367

Males

8561

M45-49

8561

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

10236

Males

7814

M45-49

7814

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10817

Males

7951

M45-49

7951

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10237

Males

7487

M45-49

7487

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11901

Males

8271

M45-49

8271

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

12402

Males

8419

M45-49

8419

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13629

Males

8956

M45-49

8956

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13154

Males

8593

M45-49

8593

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11421

Males

7681

M45-49

7681

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10606

Males

7314

M45-49

7314

Passing Analysis

Category:
Athletes Passed
2223
Passed By
1832
Net Change
+391
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12376
5K10K143473-330#12376#12706
10K15K111366-255#12706#12961
15K20K118420-302#12961#13263
20KHalf1013+98#13263#13165
Half25K37024+346#13165#12819
25K30K53332+501#12819#12318
30K20M21034+176#12318#12142
20M21M17634+142#12142#12000
21M35K7155+16#12000#11984
35K23M108107+1#11984#11983
23M24M58136-78#11983#12061
24M40K6292-30#12061#12091
40K25.2M5518+37#12091#12054
25.2MFinish10738+69#12054#11985
TOTALS22231832+391
📊

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