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BOSTON MARATHON 2023

Bingai Cao

Bib: 27732•M

QC

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:48
Rank: #23236
Start → 5K
30:48 | 9:55/mi
10K· 6.21 mi
59:55
Rank: #22731 (+505)
5K → 10K
29:07 | 9:22/mi
15K· 9.32 mi
1:29:22
Rank: #22556 (+175)
10K → 15K
29:27 | 9:29/mi
20K· 12.43 mi
1:59:11
Rank: #22358 (+198)
15K → 20K
29:49 | 9:36/mi
Half· 13.11 mi
2:05:42
Rank: #22369 (-11)
20K → Half
6:31 | 9:33/mi
25K· 15.53 mi
2:29:30
Rank: #22270 (+99)
Half → 25K
23:48 | 9:49/mi
30K· 18.64 mi
3:01:00
Rank: #22094 (+176)
25K → 30K
31:30 | 10:08/mi
20M
3:16:00
Rank: #22160 (-66)
30K → 20M
15:00 | 11:02/mi
21M
3:27:26
Rank: #22124 (+36)
20M → 21M
11:26 | 11:26/mi
35K· 21.75 mi
3:35:18
Rank: #22124
21M → 35K
7:52 | 10:31/mi
23M
3:48:23
Rank: #22082 (+42)
35K → 23M
13:05 | 10:27/mi
24M
3:58:35
Rank: #22035 (+47)
23M → 24M
10:12 | 10:12/mi
40K· 24.85 mi
4:06:56
Rank: #21958 (+77)
24M → 40K
8:21 | 9:46/mi
25.2M
4:10:17
Rank: #21884 (+74)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
4:18:47
Rank: #21710 (+174)
25.2M → Finish
8:30 | 8:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:42
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:13:05
Pace10:09 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4930:489:5530:48
9:55
-
10K
6.21 mi12:16:5659:559:3929:07
9:22
-0:33
15K
9.32 mi12:46:231:29:229:3529:27
9:29
+0:07
20K
12.43 mi13:16:121:59:119:3529:49
9:36
+0:07
Half
13.11 mi13:22:432:05:429:356:31
9:33
-0:03
25K
15.53 mi13:46:312:29:309:3723:48
9:49
+0:16
30K
18.64 mi14:18:013:01:009:4331:30
10:08
+0:19
20M
20.00 mi14:33:013:16:009:4815:00
11:02
+0:54
21M
21.00 mi14:44:273:27:269:5311:26
11:26
+0:24
35K
21.75 mi14:52:193:35:189:547:52
10:31
-0:55
23M
23.00 mi15:05:243:48:239:5613:05
10:27
-0:04
24M
24.00 mi15:15:363:58:359:5610:12
10:12
-0:15
40K
24.85 mi15:23:574:06:569:568:21
9:46
-0:26
25.2M
25.20 mi15:27:184:10:179:563:21
9:43
-0:03
Finish
26.22 mi15:35:484:18:479:538:30
8:20
-1:23

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

8:20 /mi

Average Pace

9:53 /mi

Slowest Pace

11:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:37

15% of race

Time at Steady Pace

2:43:35

63% of race

Time at Slower Pace

57:35

22% of race

Average Pace: 9:52 /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 mi11:47:4930:489:5530:48
9:55
#23236
10K
6.21 mi12:16:5659:559:3929:07
9:22
#22731
15K
9.32 mi12:46:231:29:229:3529:27
9:29
#22556
20K
12.43 mi13:16:121:59:119:3529:49
9:36
#22358
Half
13.11 mi13:22:432:05:429:356:31
9:33
#22369
25K
15.53 mi13:46:312:29:309:3723:48
9:49
#22270
30K
18.64 mi14:18:013:01:009:4331:30
10:08
#22094
20M
20.00 mi14:33:013:16:009:4815:00
11:02
#22160
21M
21.00 mi14:44:273:27:269:5311:26
11:26
#22124
35K
21.75 mi14:52:193:35:189:547:52
10:31
#22124
23M
23.00 mi15:05:243:48:239:5613:05
10:27
#22082
24M
24.00 mi15:15:363:58:359:5610:12
10:12
#22035
40K
24.85 mi15:23:574:06:569:568:21
9:46
#21958
25.2M
25.20 mi15:27:184:10:179:563:21
9:43
#21884
Finish
26.22 mi15:35:484:18:479:538:30
8:20
#21710
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23236136981369822190(Top 83%)13270(Top 87%)13270(Top 647%)
10K6.21 mi3.10 mi22731+50513495+20313495+20322142(Top 83%)13222(Top 87%)13222(Top 644%)
15K9.32 mi3.11 mi22556+17513413+8213413+8222190(Top 83%)13270(Top 87%)13270(Top 647%)
20K12.43 mi3.11 mi22358+19813327+8613327+8621840(Top 82%)13114(Top 86%)13114(Top 639%)
Half13.11 mi0.68 mi22369-1113336-913336-922243(Top 84%)13302(Top 88%)13302(Top 648%)
25K15.53 mi2.42 mi22270+9913263+7313263+7321769(Top 82%)13037(Top 86%)13037(Top 635%)
30K18.64 mi3.11 mi22094+17613183+8013183+8021385(Top 80%)12798(Top 84%)12798(Top 624%)
20M20.00 mi1.36 mi22160-6613202-1913202-1922761(Top 85%)13348(Top 88%)13348(Top 650%)
21M21.00 mi1.00 mi22124+3613175+2713175+2721737(Top 82%)12866(Top 85%)12866(Top 627%)
35K21.75 mi0.75 mi2212413167+813167+822410(Top 84%)13111(Top 86%)13111(Top 639%)
23M23.00 mi1.25 mi22082+4213142+2513142+2521191(Top 80%)12549(Top 83%)12549(Top 612%)
24M24.00 mi1.00 mi22035+4713116+2613116+2621326(Top 80%)12566(Top 83%)12566(Top 612%)
40K24.85 mi0.85 mi21958+7713068+4813068+4819270(Top 72%)11616(Top 77%)11616(Top 566%)
25.2M25.20 mi0.35 mi21884+7413026+4213026+4216165(Top 61%)10209(Top 67%)10209(Top 498%)
Finish26.22 mi1.02 mi21710+17412943+8312943+8314350(Top 54%)9422(Top 62%)9422(Top 459%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22190

Males

13270

M50-54

13270

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22142

Males

13222

M50-54

13222

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22190

Males

13270

M50-54

13270

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21840

Males

13114

M50-54

13114

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22243

Males

13302

M50-54

13302

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21769

Males

13037

M50-54

13037

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21385

Males

12798

M50-54

12798

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22761

Males

13348

M50-54

13348

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21737

Males

12866

M50-54

12866

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22410

Males

13111

M50-54

13111

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21191

Males

12549

M50-54

12549

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21326

Males

12566

M50-54

12566

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19270

Males

11616

M50-54

11616

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16165

Males

10209

M50-54

10209

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14350

Males

9422

M50-54

9422

Passing Analysis

Category:
Athletes Passed
2061
Passed By
535
Net Change
+1526
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23236
5K → 10K56762+505#23236#22731
10K → 15K24772+175#22731#22556
15K → 20K24244+198#22556#22358
20K → Half2031-11#22358#22369
Half → 25K15253+99#22369#22270
25K → 30K22347+176#22270#22094
30K → 20M45111-66#22094#22160
20M → 21M7337+36#22160#22124
21M → 35K29290#22124#22124
35K → 23M6826+42#22124#22082
23M → 24M6417+47#22082#22035
24M → 40K825+77#22035#21958
40K → 25.2M751+74#21958#21884
25.2M → Finish1740+174#21884#21710
TOTALS2061535+1526
📊

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