Jun Zhang

Bib: 5304M

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M50-54)
#0 / 2052
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:12
Rank: #4888
Start5K
21:12 | 6:49/mi
10K· 6.21 mi
42:10
Rank: #4841 (+47)
5K10K
20:58 | 6:45/mi
15K· 9.32 mi
1:03:13
Rank: #4820 (+21)
10K15K
21:03 | 6:47/mi
20K· 12.43 mi
1:24:14
Rank: #4622 (+198)
15K20K
21:01 | 6:46/mi
Half· 13.11 mi
1:28:49
Rank: #4604 (+18)
20KHalf
4:35 | 6:43/mi
25K· 15.53 mi
1:45:10
Rank: #4403 (+201)
Half25K
16:21 | 6:45/mi
30K· 18.64 mi
2:06:41
Rank: #4278 (+125)
25K30K
21:31 | 6:56/mi
20M
2:16:10
Rank: #4231 (+47)
30K20M
9:29 | 6:59/mi
21M
2:23:22
Rank: #4118 (+113)
20M21M
7:12 | 7:12/mi
35K· 21.75 mi
2:28:22
Rank: #4062 (+56)
21M35K
5:00 | 6:41/mi
23M
2:37:06
Rank: #4021 (+41)
35K23M
8:44 | 6:59/mi
24M
2:43:47
Rank: #3959 (+62)
23M24M
6:41 | 6:41/mi
40K· 24.85 mi
2:49:38
Rank: #3888 (+71)
24M40K
5:51 | 6:51/mi
25.2M
2:52:08
Rank: #3857 (+31)
40K25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:58:50
Rank: #3789 (+68)
25.2MFinish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:49
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:30:01
Pace6:52 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3321:126:4921:12
6:49
-
10K
6.21 mi10:44:3142:106:4720:58
6:45
-0:04
15K
9.32 mi11:05:341:03:136:4721:03
6:47
+0:02
20K
12.43 mi11:26:351:24:146:4721:01
6:46
-0:01
Half
13.11 mi11:31:101:28:496:464:35
6:43
-0:03
25K
15.53 mi11:47:311:45:106:4616:21
6:45
+0:02
30K
18.64 mi12:09:022:06:416:4821:31
6:56
+0:11
20M
20.00 mi12:18:312:16:106:489:29
6:59
+0:03
21M
21.00 mi12:25:432:23:226:507:12
7:12
+0:13
35K
21.75 mi12:30:432:28:226:495:00
6:41
-0:31
23M
23.00 mi12:39:272:37:066:508:44
6:59
+0:18
24M
24.00 mi12:46:082:43:476:496:41
6:41
-0:18
40K
24.85 mi12:51:592:49:386:495:51
6:51
+0:10
25.2M
25.20 mi12:54:292:52:086:502:30
7:15
+0:24
Finish
26.22 mi13:01:112:58:506:506:42
6:34
-0:41

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

6:34 /mi

Average Pace

6:50 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:20

99% of race

Time at Steady Pace

2:30

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:23:3321:126:4921:12
6:49
#4888
10K
6.21 mi10:44:3142:106:4720:58
6:45
#4841
15K
9.32 mi11:05:341:03:136:4721:03
6:47
#4820
20K
12.43 mi11:26:351:24:146:4721:01
6:46
#4622
Half
13.11 mi11:31:101:28:496:464:35
6:43
#4604
25K
15.53 mi11:47:311:45:106:4616:21
6:45
#4403
30K
18.64 mi12:09:022:06:416:4821:31
6:56
#4278
20M
20.00 mi12:18:312:16:106:489:29
6:59
#4231
21M
21.00 mi12:25:432:23:226:507:12
7:12
#4118
35K
21.75 mi12:30:432:28:226:495:00
6:41
#4062
23M
23.00 mi12:39:272:37:066:508:44
6:59
#4021
24M
24.00 mi12:46:082:43:476:496:41
6:41
#3959
40K
24.85 mi12:51:592:49:386:495:51
6:51
#3888
25.2M
25.20 mi12:54:292:52:086:502:30
7:15
#3857
Finish
26.22 mi13:01:112:58:506:506:42
6:34
#3789
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4888454345434851(Top 18%)4512(Top 30%)4512(Top 220%)
10K6.21 mi3.10 mi4841+474500+434500+434796(Top 18%)4453(Top 29%)4453(Top 217%)
15K9.32 mi3.11 mi4820+214483+174483+174851(Top 18%)4512(Top 30%)4512(Top 220%)
20K12.43 mi3.11 mi4622+1984311+1724311+1724121(Top 15%)3865(Top 25%)3865(Top 188%)
Half13.11 mi0.68 mi4604+184294+174294+174462(Top 17%)4154(Top 27%)4154(Top 202%)
25K15.53 mi2.42 mi4403+2014118+1764118+1763698(Top 14%)3483(Top 23%)3483(Top 170%)
30K18.64 mi3.11 mi4278+1254012+1064012+1063830(Top 14%)3589(Top 24%)3589(Top 175%)
20M20.00 mi1.36 mi4231+473968+443968+443894(Top 15%)3622(Top 24%)3622(Top 177%)
21M21.00 mi1.00 mi4118+1133862+1063862+1063107(Top 12%)2911(Top 19%)2911(Top 142%)
35K21.75 mi0.75 mi4062+563812+503812+503468(Top 13%)3220(Top 21%)3220(Top 157%)
23M23.00 mi1.25 mi4021+413769+433769+433656(Top 14%)3380(Top 22%)3380(Top 165%)
24M24.00 mi1.00 mi3959+623709+603709+603028(Top 11%)2812(Top 19%)2812(Top 137%)
40K24.85 mi0.85 mi3888+713647+623647+623033(Top 11%)2791(Top 18%)2791(Top 136%)
25.2M25.20 mi0.35 mi3857+313619+283619+282741(Top 10%)2527(Top 17%)2527(Top 123%)
Finish26.22 mi1.02 mi3789+683557+623557+622860(Top 11%)2597(Top 17%)2597(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4851

Males

4512

M50-54

4512

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4796

Males

4453

M50-54

4453

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4851

Males

4512

M50-54

4512

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4121

Males

3865

M50-54

3865

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4462

Males

4154

M50-54

4154

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3698

Males

3483

M50-54

3483

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3830

Males

3589

M50-54

3589

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3894

Males

3622

M50-54

3622

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3107

Males

2911

M50-54

2911

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3468

Males

3220

M50-54

3220

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3656

Males

3380

M50-54

3380

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3028

Males

2812

M50-54

2812

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3033

Males

2791

M50-54

2791

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2741

Males

2527

M50-54

2527

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2860

Males

2597

M50-54

2597

Passing Analysis

Category:
Athletes Passed
1644
Passed By
545
Net Change
+1099
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4888
5K10K221174+47#4888#4841
10K15K122101+21#4841#4820
15K20K22325+198#4820#4622
20KHalf279+18#4622#4604
Half25K21615+201#4604#4403
25K30K17752+125#4403#4278
30K20M8336+47#4278#4231
20M21M13219+113#4231#4118
21M35K637+56#4118#4062
35K23M8342+41#4062#4021
23M24M8119+62#4021#3959
24M40K8514+71#3959#3888
40K25.2M4514+31#3888#3857
25.2MFinish8618+68#3857#3789
TOTALS1644545+1099
📊

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