Jun Zhang

Bib: 7942M

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Masters (Masters Men)
#0 / 10463
Top 13%
Division (M55-59)
#0 / 1648
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:11
Rank: #6441
Start5K
21:11 | 6:49/mi
10K· 6.21 mi
42:26
Rank: #6557 (-116)
5K10K
21:15 | 6:50/mi
15K· 9.32 mi
1:03:31
Rank: #6333 (+224)
10K15K
21:05 | 6:47/mi
20K· 12.43 mi
1:24:31
Rank: #5946 (+387)
15K20K
21:00 | 6:46/mi
Half· 13.11 mi
1:29:00
Rank: #5853 (+93)
20KHalf
4:29 | 6:34/mi
25K· 15.53 mi
1:45:24
Rank: #5574 (+279)
Half25K
16:24 | 6:46/mi
30K· 18.64 mi
2:06:53
Rank: #5219 (+355)
25K30K
21:29 | 6:55/mi
20M
2:16:22
Rank: #5083 (+136)
30K20M
9:29 | 6:59/mi
21M
2:23:43
Rank: #4967 (+116)
20M21M
7:21 | 7:21/mi
35K· 21.75 mi
2:28:57
Rank: #4958 (+9)
21M35K
5:14 | 7:00/mi
23M
2:37:58
Rank: #4954 (+4)
35K23M
9:01 | 7:12/mi
24M
2:44:55
Rank: #4908 (+46)
23M24M
6:57 | 6:57/mi
40K· 24.85 mi
2:50:51
Rank: #4819 (+89)
24M40K
5:56 | 6:56/mi
25.2M
2:53:26
Rank: #4776 (+43)
40K25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:00:05
Rank: #4706 (+70)
25.2MFinish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:00
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:31:05
Pace6:57 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:4721:116:4921:11
6:49
-
10K
6.21 mi10:50:0242:266:5021:15
6:50
+0:01
15K
9.32 mi11:11:071:03:316:4921:05
6:47
-0:03
20K
12.43 mi11:32:071:24:316:4821:00
6:46
-0:01
Half
13.11 mi11:36:361:29:006:474:29
6:34
-0:12
25K
15.53 mi11:53:001:45:246:4716:24
6:46
+0:12
30K
18.64 mi12:14:292:06:536:4821:29
6:55
+0:09
20M
20.00 mi12:23:582:16:226:499:29
6:59
+0:04
21M
21.00 mi12:31:192:23:436:517:21
7:21
+0:22
35K
21.75 mi12:36:332:28:576:515:14
7:00
-0:21
23M
23.00 mi12:45:342:37:586:529:01
7:12
+0:12
24M
24.00 mi12:52:312:44:556:526:57
6:57
-0:15
40K
24.85 mi12:58:272:50:516:525:56
6:56
-0:01
25.2M
25.20 mi13:01:022:53:266:532:35
7:29
+0:33
Finish
26.22 mi13:07:413:00:056:526:39
6:32
-0:57

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

6:32 /mi

Average Pace

6:52 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:08

89% of race

Time at Steady Pace

18:57

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:28:4721:116:4921:11
6:49
#6441
10K
6.21 mi10:50:0242:266:5021:15
6:50
#6557
15K
9.32 mi11:11:071:03:316:4921:05
6:47
#6333
20K
12.43 mi11:32:071:24:316:4821:00
6:46
#5946
Half
13.11 mi11:36:361:29:006:474:29
6:34
#5853
25K
15.53 mi11:53:001:45:246:4716:24
6:46
#5574
30K
18.64 mi12:14:292:06:536:4821:29
6:55
#5219
20M
20.00 mi12:23:582:16:226:499:29
6:59
#5083
21M
21.00 mi12:31:192:23:436:517:21
7:21
#4967
35K
21.75 mi12:36:332:28:576:515:14
7:00
#4958
23M
23.00 mi12:45:342:37:586:529:01
7:12
#4954
24M
24.00 mi12:52:312:44:556:526:57
6:57
#4908
40K
24.85 mi12:58:272:50:516:525:56
6:56
#4819
25.2M
25.20 mi13:01:022:53:266:532:35
7:29
#4776
Finish
26.22 mi13:07:413:00:056:526:39
6:32
#4706
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi6441586758675931(Top 21%)5397(Top 34%)5397(Top 327%)
10K6.21 mi3.10 mi6557-1165957-905957-906761(Top 24%)6090(Top 38%)6090(Top 370%)
15K9.32 mi3.11 mi6333+2245771+1865771+1865931(Top 21%)5397(Top 34%)5397(Top 327%)
20K12.43 mi3.11 mi5946+3875439+3325439+3324906(Top 17%)4534(Top 28%)4534(Top 275%)
Half13.11 mi0.68 mi5853+935366+735366+734146(Top 15%)3885(Top 24%)3885(Top 236%)
25K15.53 mi2.42 mi5574+2795121+2455121+2454586(Top 16%)4231(Top 26%)4231(Top 257%)
30K18.64 mi3.11 mi5219+3554800+3214800+3214168(Top 15%)3831(Top 24%)3831(Top 232%)
20M20.00 mi1.36 mi5083+1364677+1234677+1233977(Top 14%)3645(Top 23%)3645(Top 221%)
21M21.00 mi1.00 mi4967+1164574+1034574+1033853(Top 14%)3503(Top 22%)3503(Top 213%)
35K21.75 mi0.75 mi4958+94557+174557+175279(Top 19%)4561(Top 28%)4561(Top 277%)
23M23.00 mi1.25 mi4954+44541+164541+164859(Top 17%)4210(Top 26%)4210(Top 255%)
24M24.00 mi1.00 mi4908+464495+464495+464330(Top 15%)3782(Top 23%)3782(Top 229%)
40K24.85 mi0.85 mi4819+894415+804415+803553(Top 13%)3149(Top 20%)3149(Top 191%)
25.2M25.20 mi0.35 mi4776+434374+414374+413331(Top 12%)2921(Top 18%)2921(Top 177%)
Finish26.22 mi1.02 mi4706+704307+674307+672944(Top 10%)2625(Top 16%)2625(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5931

Males

5397

M55-59

5397

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6761

Males

6090

M55-59

6090

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5931

Males

5397

M55-59

5397

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4906

Males

4534

M55-59

4534

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4146

Males

3885

M55-59

3885

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4586

Males

4231

M55-59

4231

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4168

Males

3831

M55-59

3831

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3977

Males

3645

M55-59

3645

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3853

Males

3503

M55-59

3503

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5279

Males

4561

M55-59

4561

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4859

Males

4210

M55-59

4210

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4330

Males

3782

M55-59

3782

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3553

Males

3149

M55-59

3149

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3331

Males

2921

M55-59

2921

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2944

Males

2625

M55-59

2625

Passing Analysis

Category:
Athletes Passed
2325
Passed By
590
Net Change
+1735
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6441
5K10K146262-116#6441#6557
10K15K27854+224#6557#6333
15K20K39710+387#6333#5946
20KHalf941+93#5946#5853
Half25K2878+279#5853#5574
25K30K37621+355#5574#5219
30K20M15115+136#5219#5083
20M21M13721+116#5083#4967
21M35K5344+9#4967#4958
35K23M8985+4#4958#4954
23M24M8337+46#4954#4908
24M40K10011+89#4908#4819
40K25.2M5613+43#4819#4776
25.2MFinish788+70#4776#4706
TOTALS2325590+1735
📊

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