Lei Cheng

Bib: 7119M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 40%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 42%
Division (M50-54)
#0 / 1996
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:23
Rank: #6944
Start5K
21:23 | 6:53/mi
10K· 6.21 mi
42:57
Rank: #7250 (-306)
5K10K
21:34 | 6:56/mi
15K· 9.32 mi
1:04:44
Rank: #7410 (-160)
10K15K
21:47 | 7:01/mi
20K· 12.43 mi
1:27:29
Rank: #7757 (-347)
15K20K
22:45 | 7:19/mi
Half· 13.11 mi
1:32:30
Rank: #7866 (-109)
20KHalf
5:01 | 7:21/mi
25K· 15.53 mi
1:51:04
Rank: #8292 (-426)
Half25K
18:34 | 7:39/mi
30K· 18.64 mi
2:16:55
Rank: #9241 (-949)
25K30K
25:51 | 8:19/mi
20M
2:28:50
Rank: #9720 (-479)
30K20M
11:55 | 8:46/mi
21M
2:39:12
Rank: #10529 (-809)
20M21M
10:22 | 10:22/mi
35K· 21.75 mi
2:45:29
Rank: #10679 (-150)
21M35K
6:17 | 8:24/mi
23M
2:56:22
Rank: #10890 (-211)
35K23M
10:53 | 8:42/mi
24M
3:04:40
Rank: #10964 (-74)
23M24M
8:18 | 8:18/mi
40K· 24.85 mi
3:12:11
Rank: #11116 (-152)
24M40K
7:31 | 8:47/mi
25.2M
3:15:25
Rank: #11159 (-43)
40K25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:23:48
Rank: #11274 (-115)
25.2MFinish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:30
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:51:18
Pace8:29 /mi
📊Positive Split: 20.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:4921:236:5321:23
6:53
-
10K
6.21 mi10:48:2342:576:5521:34
6:56
+0:03
15K
9.32 mi11:10:101:04:446:5721:47
7:01
+0:05
20K
12.43 mi11:32:551:27:297:0222:45
7:19
+0:18
Half
13.11 mi11:37:561:32:307:035:01
7:21
+0:02
25K
15.53 mi11:56:301:51:047:0918:34
7:39
+0:18
30K
18.64 mi12:22:212:16:557:2125:51
8:19
+0:40
20M
20.00 mi12:34:162:28:507:2611:55
8:46
+0:27
21M
21.00 mi12:44:382:39:127:3510:22
10:22
+1:36
35K
21.75 mi12:50:552:45:297:376:17
8:24
-1:58
23M
23.00 mi13:01:482:56:227:4010:53
8:42
+0:18
24M
24.00 mi13:10:063:04:407:428:18
8:18
-0:24
40K
24.85 mi13:17:373:12:117:447:31
8:47
+0:29
25.2M
25.20 mi13:20:513:15:257:453:14
9:23
+0:36
Finish
26.22 mi13:29:143:23:487:478:23
8:14
-1:09

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

6:53 /mi

Average Pace

7:47 /mi

Slowest Pace

10:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:04

54% of race

Time at Steady Pace

1:11:37

35% of race

Time at Slower Pace

21:07

10% of race

Average Pace: 7:46 /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 mi10:26:4921:236:5321:23
6:53
#6944
10K
6.21 mi10:48:2342:576:5521:34
6:56
#7250
15K
9.32 mi11:10:101:04:446:5721:47
7:01
#7410
20K
12.43 mi11:32:551:27:297:0222:45
7:19
#7757
Half
13.11 mi11:37:561:32:307:035:01
7:21
#7866
25K
15.53 mi11:56:301:51:047:0918:34
7:39
#8292
30K
18.64 mi12:22:212:16:557:2125:51
8:19
#9241
20M
20.00 mi12:34:162:28:507:2611:55
8:46
#9720
21M
21.00 mi12:44:382:39:127:3510:22
10:22
#10529
35K
21.75 mi12:50:552:45:297:376:17
8:24
#10679
23M
23.00 mi13:01:482:56:227:4010:53
8:42
#10890
24M
24.00 mi13:10:063:04:407:428:18
8:18
#10964
40K
24.85 mi13:17:373:12:117:447:31
8:47
#11116
25.2M
25.20 mi13:20:513:15:257:453:14
9:23
#11159
Finish
26.22 mi13:29:143:23:487:478:23
8:14
#11274
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6944626462647704(Top 27%)6751(Top 42%)6751(Top 338%)
10K6.21 mi3.10 mi7250-3066479-2156479-2157559(Top 27%)6687(Top 42%)6687(Top 335%)
15K9.32 mi3.11 mi7410-1606583-1046583-1047704(Top 27%)6751(Top 42%)6751(Top 338%)
20K12.43 mi3.11 mi7757-3476806-2236806-2239225(Top 32%)7582(Top 47%)7582(Top 380%)
Half13.11 mi0.68 mi7866-1096867-616867-6110457(Top 37%)8270(Top 51%)8270(Top 414%)
25K15.53 mi2.42 mi8292-4267112-2457112-24511206(Top 39%)8489(Top 53%)8489(Top 425%)
30K18.64 mi3.11 mi9241-9497602-4907602-49013616(Top 48%)9422(Top 59%)9422(Top 472%)
20M20.00 mi1.36 mi9720-4797829-2277829-22715451(Top 54%)10114(Top 63%)10114(Top 507%)
21M21.00 mi1.00 mi10529-8098194-3658194-36519578(Top 69%)11849(Top 74%)11849(Top 594%)
35K21.75 mi0.75 mi10679-1508254-608254-6014810(Top 52%)9627(Top 60%)9627(Top 482%)
23M23.00 mi1.25 mi10890-2118306-528306-5214476(Top 51%)9382(Top 58%)9382(Top 470%)
24M24.00 mi1.00 mi10964-748299+78299+713235(Top 47%)8760(Top 54%)8760(Top 439%)
40K24.85 mi0.85 mi11116-1528338-398338-3915104(Top 53%)9480(Top 59%)9480(Top 475%)
25.2M25.20 mi0.35 mi11159-438336+28336+213803(Top 49%)8837(Top 55%)8837(Top 443%)
Finish26.22 mi1.02 mi11274-1158353-178353-1714418(Top 51%)9212(Top 57%)9212(Top 462%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7704

Males

6751

M50-54

6751

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7559

Males

6687

M50-54

6687

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7704

Males

6751

M50-54

6751

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9225

Males

7582

M50-54

7582

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10457

Males

8270

M50-54

8270

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

11206

Males

8489

M50-54

8489

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13616

Males

9422

M50-54

9422

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15451

Males

10114

M50-54

10114

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

19578

Males

11849

M50-54

11849

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14810

Males

9627

M50-54

9627

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14476

Males

9382

M50-54

9382

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13235

Males

8760

M50-54

8760

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15104

Males

9480

M50-54

9480

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13803

Males

8837

M50-54

8837

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14418

Males

9212

M50-54

9212

Passing Analysis

Category:
Athletes Passed
603
Passed By
4930
Net Change
-4330
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6944
5K10K89395-306#6944#7250
10K15K90250-160#7250#7410
15K20K54401-347#7410#7757
20KHalf4113-109#7757#7866
Half25K39465-426#7866#8292
25K30K561005-949#8292#9241
30K20M29507-479#9241#9720
20M21M8815-809#9720#10529
21M35K23173-150#10529#10679
35K23M58269-211#10679#10890
23M24M55129-74#10890#10964
24M40K38190-152#10964#11116
40K25.2M2063-43#11116#11159
25.2MFinish40155-115#11159#11274
TOTALS6034930-4330
📊

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