Zheng Zheng

Bib: 12898M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 43%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 46%
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
22:19
Rank: #9323
Start5K
22:19 | 7:11/mi
10K· 6.21 mi
44:45
Rank: #9473 (-150)
5K10K
22:26 | 7:13/mi
15K· 9.32 mi
1:07:51
Rank: #10036 (-563)
10K15K
23:06 | 7:26/mi
20K· 12.43 mi
1:31:42
Rank: #10574 (-538)
15K20K
23:51 | 7:41/mi
Half· 13.11 mi
1:36:43
Rank: #10545 (+29)
20KHalf
5:01 | 7:21/mi
25K· 15.53 mi
1:56:53
Rank: #11533 (-988)
Half25K
20:10 | 8:19/mi
30K· 18.64 mi
2:22:47
Rank: #11901 (-368)
25K30K
25:54 | 8:20/mi
20M
2:33:56
Rank: #11877 (+24)
30K20M
11:09 | 8:12/mi
21M
2:42:34
Rank: #11825 (+52)
20M21M
8:38 | 8:38/mi
35K· 21.75 mi
2:48:30
Rank: #11807 (+18)
21M35K
5:56 | 7:56/mi
23M
2:59:08
Rank: #11882 (-75)
35K23M
10:38 | 8:30/mi
24M
3:07:57
Rank: #12092 (-210)
23M24M
8:49 | 8:49/mi
40K· 24.85 mi
3:15:31
Rank: #12233 (-141)
24M40K
7:34 | 8:51/mi
25.2M
3:18:41
Rank: #12229 (+4)
40K25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:26:46
Rank: #12208 (+21)
25.2MFinish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:43
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:50:03
Pace8:24 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5522:197:1122:19
7:11
-
10K
6.21 mi11:13:2144:457:1222:26
7:13
+0:02
15K
9.32 mi11:36:271:07:517:1723:06
7:26
+0:13
20K
12.43 mi12:00:181:31:427:2323:51
7:41
+0:15
Half
13.11 mi12:05:191:36:437:235:01
7:21
-0:20
25K
15.53 mi12:25:291:56:537:3120:10
8:19
+0:58
30K
18.64 mi12:51:232:22:477:4025:54
8:20
+0:01
20M
20.00 mi13:02:322:33:567:4211:09
8:12
-0:08
21M
21.00 mi13:11:102:42:347:448:38
8:38
+0:26
35K
21.75 mi13:17:062:48:307:455:56
7:56
-0:42
23M
23.00 mi13:27:442:59:087:4710:38
8:30
+0:34
24M
24.00 mi13:36:333:07:577:508:49
8:49
+0:19
40K
24.85 mi13:44:073:15:317:527:34
8:51
+0:02
25.2M
25.20 mi13:47:173:18:417:533:10
9:11
+0:20
Finish
26.22 mi13:55:223:26:467:548:05
7:56
-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

7:11 /mi

Average Pace

7:54 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:43

47% of race

Time at Steady Pace

1:21:52

40% of race

Time at Slower Pace

28:11

14% of race

Average Pace: 7:53 /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 mi10:50:5522:197:1122:19
7:11
#9323
10K
6.21 mi11:13:2144:457:1222:26
7:13
#9473
15K
9.32 mi11:36:271:07:517:1723:06
7:26
#10036
20K
12.43 mi12:00:181:31:427:2323:51
7:41
#10574
Half
13.11 mi12:05:191:36:437:235:01
7:21
#10545
25K
15.53 mi12:25:291:56:537:3120:10
8:19
#11533
30K
18.64 mi12:51:232:22:477:4025:54
8:20
#11901
20M
20.00 mi13:02:322:33:567:4211:09
8:12
#11877
21M
21.00 mi13:11:102:42:347:448:38
8:38
#11825
35K
21.75 mi13:17:062:48:307:455:56
7:56
#11807
23M
23.00 mi13:27:442:59:087:4710:38
8:30
#11882
24M
24.00 mi13:36:333:07:577:508:49
8:49
#12092
40K
24.85 mi13:44:073:15:317:527:34
8:51
#12233
25.2M
25.20 mi13:47:173:18:417:533:10
9:11
#12229
Finish
26.22 mi13:55:223:26:467:548:05
7:56
#12208
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi93237785778511183(Top 39%)8688(Top 54%)8688(Top 364%)
10K6.21 mi3.10 mi9473-1507884-997884-999655(Top 34%)7966(Top 49%)7966(Top 334%)
15K9.32 mi3.11 mi10036-5638152-2688152-26811183(Top 39%)8688(Top 54%)8688(Top 364%)
20K12.43 mi3.11 mi10574-5388409-2578409-25712184(Top 43%)9052(Top 56%)9052(Top 379%)
Half13.11 mi0.68 mi10545+298396+138396+1310470(Top 37%)8283(Top 51%)8283(Top 347%)
25K15.53 mi2.42 mi11533-9888833-4378833-43716009(Top 56%)10644(Top 66%)10644(Top 446%)
30K18.64 mi3.11 mi11901-3688926-938926-9313714(Top 48%)9468(Top 59%)9468(Top 397%)
20M20.00 mi1.36 mi11877+248883+438883+4311821(Top 42%)8435(Top 52%)8435(Top 354%)
21M21.00 mi1.00 mi11825+528813+708813+7011270(Top 40%)8014(Top 50%)8014(Top 336%)
35K21.75 mi0.75 mi11807+188783+308783+3011757(Top 41%)8204(Top 51%)8204(Top 344%)
23M23.00 mi1.25 mi11882-758776+78776+713245(Top 47%)8803(Top 55%)8803(Top 369%)
24M24.00 mi1.00 mi12092-2108843-678843-6716376(Top 58%)10191(Top 63%)10191(Top 427%)
40K24.85 mi0.85 mi12233-1418878-358878-3515428(Top 54%)9615(Top 60%)9615(Top 403%)
25.2M25.20 mi0.35 mi12229+48863+158863+1512766(Top 45%)8351(Top 52%)8351(Top 350%)
Finish26.22 mi1.02 mi12208+218820+438820+4312403(Top 44%)8236(Top 51%)8236(Top 345%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11183

Males

8688

M45-49

8688

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9655

Males

7966

M45-49

7966

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11183

Males

8688

M45-49

8688

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12184

Males

9052

M45-49

9052

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10470

Males

8283

M45-49

8283

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

16009

Males

10644

M45-49

10644

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13714

Males

9468

M45-49

9468

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11821

Males

8435

M45-49

8435

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11270

Males

8014

M45-49

8014

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11757

Males

8204

M45-49

8204

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

13245

Males

8803

M45-49

8803

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16376

Males

10191

M45-49

10191

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15428

Males

9615

M45-49

9615

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12766

Males

8351

M45-49

8351

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12403

Males

8236

M45-49

8236

Passing Analysis

Category:
Athletes Passed
1088
Passed By
3970
Net Change
-2885
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9323
5K10K163313-150#9323#9473
10K15K47608-563#9473#10036
15K20K59596-538#10036#10574
20KHalf4718+29#10574#10545
Half25K331021-988#10545#11533
25K30K139507-368#11533#11901
30K20M134110+24#11901#11877
20M21M12977+52#11877#11825
21M35K6143+18#11825#11807
35K23M94169-75#11807#11882
23M24M31241-210#11882#12092
24M40K39180-141#12092#12233
40K25.2M3329+4#12233#12229
25.2MFinish7958+21#12229#12208
TOTALS10883970-2885
📊

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