Qiang Zhou

Bib: 5537M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 8%
Gender (Male)
#0 / 14578
Top 13%
Masters (Masters Men)
#0 / 9729
Top 5%
Division (M50-54)
#0 / 1935
Top 2%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:14
Rank: #3389
Start5K
20:14 | 6:31/mi
10K· 6.21 mi
40:14
Rank: #2999 (+390)
5K10K
20:00 | 6:26/mi
15K· 9.32 mi
1:00:22
Rank: #2801 (+198)
10K15K
20:08 | 6:29/mi
20K· 12.43 mi
1:20:29
Rank: #2555 (+246)
15K20K
20:07 | 6:28/mi
Half· 13.11 mi
1:24:49
Rank: #2515 (+40)
20KHalf
4:20 | 6:21/mi
25K· 15.53 mi
1:40:30
Rank: #2295 (+220)
Half25K
15:41 | 6:28/mi
30K· 18.64 mi
2:01:10
Rank: #2041 (+254)
25K30K
20:40 | 6:39/mi
20M
2:10:19
Rank: #1956 (+85)
30K20M
9:09 | 6:44/mi
21M
2:17:36
Rank: #1902 (+54)
20M21M
7:17 | 7:17/mi
35K· 21.75 mi
2:22:32
Rank: #1863 (+39)
21M35K
4:56 | 6:36/mi
23M
2:31:25
Rank: #1833 (+30)
35K23M
8:53 | 7:06/mi
24M
2:38:33
Rank: #1832 (+1)
23M24M
7:08 | 7:08/mi
40K· 24.85 mi
2:45:03
Rank: #1887 (-55)
24M40K
6:30 | 7:36/mi
25.2M
2:47:59
Rank: #1911 (-24)
40K25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
2:55:35
Rank: #1982 (-71)
25.2MFinish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:49
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:30:46
Pace6:55 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4120:146:3120:14
6:31
-
10K
6.21 mi10:44:4140:146:2820:00
6:26
-0:05
15K
9.32 mi11:04:491:00:226:2920:08
6:29
+0:03
20K
12.43 mi11:24:561:20:296:2920:07
6:28
-0:01
Half
13.11 mi11:29:161:24:496:284:20
6:21
-0:07
25K
15.53 mi11:44:571:40:306:2815:41
6:28
+0:07
30K
18.64 mi12:05:372:01:106:3020:40
6:39
+0:11
20M
20.00 mi12:14:462:10:196:319:09
6:44
+0:05
21M
21.00 mi12:22:032:17:366:337:17
7:17
+0:33
35K
21.75 mi12:26:592:22:326:334:56
6:36
-0:41
23M
23.00 mi12:35:522:31:256:358:53
7:06
+0:30
24M
24.00 mi12:43:002:38:336:367:08
7:08
+0:02
40K
24.85 mi12:49:302:45:036:386:30
7:36
+0:28
25.2M
25.20 mi12:52:262:47:596:402:56
8:30
+0:54
Finish
26.22 mi13:00:022:55:356:427:36
7:27
-1:03

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

6:21 /mi

Average Pace

6:42 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:20

2% of race

Time at Steady Pace

2:10:55

75% of race

Time at Slower Pace

40:20

23% of race

Average Pace: 6:42 /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 mi10:24:4120:146:3120:14
6:31
#3389
10K
6.21 mi10:44:4140:146:2820:00
6:26
#2999
15K
9.32 mi11:04:491:00:226:2920:08
6:29
#2801
20K
12.43 mi11:24:561:20:296:2920:07
6:28
#2555
Half
13.11 mi11:29:161:24:496:284:20
6:21
#2515
25K
15.53 mi11:44:571:40:306:2815:41
6:28
#2295
30K
18.64 mi12:05:372:01:106:3020:40
6:39
#2041
20M
20.00 mi12:14:462:10:196:319:09
6:44
#1956
21M
21.00 mi12:22:032:17:366:337:17
7:17
#1902
35K
21.75 mi12:26:592:22:326:334:56
6:36
#1863
23M
23.00 mi12:35:522:31:256:358:53
7:06
#1833
24M
24.00 mi12:43:002:38:336:367:08
7:08
#1832
40K
24.85 mi12:49:302:45:036:386:30
7:36
#1887
25.2M
25.20 mi12:52:262:47:596:402:56
8:30
#1911
Finish
26.22 mi13:00:022:55:356:427:36
7:27
#1982
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi3389323132312606(Top 10%)2499(Top 17%)2499(Top 129%)
10K6.21 mi3.10 mi2999+3902867+3642867+3642615(Top 10%)2508(Top 17%)2508(Top 130%)
15K9.32 mi3.11 mi2801+1982681+1862681+1862606(Top 10%)2499(Top 17%)2499(Top 129%)
20K12.43 mi3.11 mi2555+2462453+2282453+2282039(Top 8%)1969(Top 14%)1969(Top 102%)
Half13.11 mi0.68 mi2515+402416+372416+371883(Top 7%)1820(Top 12%)1820(Top 94%)
25K15.53 mi2.42 mi2295+2202210+2062210+2061660(Top 6%)1601(Top 11%)1601(Top 83%)
30K18.64 mi3.11 mi2041+2541969+2411969+2411487(Top 6%)1422(Top 10%)1422(Top 73%)
20M20.00 mi1.36 mi1956+851887+821887+821415(Top 6%)1341(Top 9%)1341(Top 69%)
21M21.00 mi1.00 mi1902+541833+541833+541804(Top 7%)1690(Top 12%)1690(Top 87%)
35K21.75 mi0.75 mi1863+391793+401793+401536(Top 6%)1439(Top 10%)1439(Top 74%)
23M23.00 mi1.25 mi1833+301760+331760+332243(Top 9%)2033(Top 14%)2033(Top 105%)
24M24.00 mi1.00 mi1832+11756+41756+42743(Top 11%)2415(Top 17%)2415(Top 125%)
40K24.85 mi0.85 mi1887-551802-461802-463886(Top 15%)3130(Top 21%)3130(Top 162%)
25.2M25.20 mi0.35 mi1911-241825-231825-234385(Top 17%)3371(Top 23%)3371(Top 174%)
Finish26.22 mi1.02 mi1982-711887-621887-625344(Top 21%)3977(Top 27%)3977(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2606

Males

2499

M50-54

2499

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2615

Males

2508

M50-54

2508

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2606

Males

2499

M50-54

2499

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2039

Males

1969

M50-54

1969

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1883

Males

1820

M50-54

1820

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1660

Males

1601

M50-54

1601

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1487

Males

1422

M50-54

1422

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1415

Males

1341

M50-54

1341

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1804

Males

1690

M50-54

1690

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1536

Males

1439

M50-54

1439

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2243

Males

2033

M50-54

2033

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2743

Males

2415

M50-54

2415

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3886

Males

3130

M50-54

3130

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4385

Males

3371

M50-54

3371

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5344

Males

3977

M50-54

3977

Passing Analysis

Category:
Athletes Passed
1784
Passed By
377
Net Change
+1407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3389
5K10K40313+390#3389#2999
10K15K22224+198#2999#2801
15K20K2559+246#2801#2555
20KHalf433+40#2555#2515
Half25K2222+220#2515#2295
25K30K27117+254#2295#2041
30K20M9510+85#2041#1956
20M21M7824+54#1956#1902
21M35K489+39#1902#1863
35K23M6737+30#1863#1833
23M24M3938+1#1833#1832
24M40K1368-55#1832#1887
40K25.2M933-24#1887#1911
25.2MFinish1990-71#1911#1982
TOTALS1784377+1407
📊

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