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BOSTON MARATHON 2023

Mingrui Zhang

Bib: 18622•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:40
Rank: #18121
Start → 5K
26:40 | 8:35/mi
10K· 6.21 mi
52:38
Rank: #17715 (+406)
5K → 10K
25:58 | 8:21/mi
15K· 9.32 mi
1:19:29
Rank: #18030 (-315)
10K → 15K
26:51 | 8:39/mi
20K· 12.43 mi
1:46:28
Rank: #18009 (+21)
15K → 20K
26:59 | 8:41/mi
Half· 13.11 mi
1:52:24
Rank: #18037 (-28)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:13:35
Rank: #17940 (+97)
Half → 25K
21:11 | 8:44/mi
30K· 18.64 mi
2:41:43
Rank: #17811 (+129)
25K → 30K
28:08 | 9:03/mi
20M
2:54:10
Rank: #17769 (+42)
30K → 20M
12:27 | 9:10/mi
21M
3:03:49
Rank: #17703 (+66)
20M → 21M
9:39 | 9:39/mi
35K· 21.75 mi
3:10:24
Rank: #17665 (+38)
21M → 35K
6:35 | 8:48/mi
23M
3:21:38
Rank: #17552 (+113)
35K → 23M
11:14 | 8:58/mi
24M
3:30:37
Rank: #17555 (-3)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:38:22
Rank: #17530 (+25)
24M → 40K
7:45 | 9:04/mi
25.2M
3:41:40
Rank: #17488 (+42)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:50:40
Rank: #17488
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:24
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:58:16
Pace9:01 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1626:408:3526:40
8:35
-
10K
6.21 mi11:47:1452:388:2825:58
8:21
-0:14
15K
9.32 mi12:14:051:19:298:3226:51
8:39
+0:18
20K
12.43 mi12:41:041:46:288:3426:59
8:41
+0:02
Half
13.11 mi12:47:001:52:248:345:56
8:42
+0:01
25K
15.53 mi13:08:112:13:358:3621:11
8:44
+0:02
30K
18.64 mi13:36:192:41:438:4128:08
9:03
+0:19
20M
20.00 mi13:48:462:54:108:4212:27
9:10
+0:07
21M
21.00 mi13:58:253:03:498:459:39
9:39
+0:29
35K
21.75 mi14:05:003:10:248:456:35
8:48
-0:51
23M
23.00 mi14:16:143:21:388:4611:14
8:58
+0:10
24M
24.00 mi14:25:133:30:378:478:59
8:59
+0:01
40K
24.85 mi14:32:583:38:228:477:45
9:04
+0:05
25.2M
25.20 mi14:36:163:41:408:483:18
9:34
+0:30
Finish
26.22 mi14:45:163:50:408:489:00
8:50
-0:44

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

8:21 /mi

Average Pace

8:48 /mi

Slowest Pace

9:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:37:43

94% of race

Time at Steady Pace

12:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:48 /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 mi11:21:1626:408:3526:40
8:35
#18121
10K
6.21 mi11:47:1452:388:2825:58
8:21
#17715
15K
9.32 mi12:14:051:19:298:3226:51
8:39
#18030
20K
12.43 mi12:41:041:46:288:3426:59
8:41
#18009
Half
13.11 mi12:47:001:52:248:345:56
8:42
#18037
25K
15.53 mi13:08:112:13:358:3621:11
8:44
#17940
30K
18.64 mi13:36:192:41:438:4128:08
9:03
#17811
20M
20.00 mi13:48:462:54:108:4212:27
9:10
#17769
21M
21.00 mi13:58:253:03:498:459:39
9:39
#17703
35K
21.75 mi14:05:003:10:248:456:35
8:48
#17665
23M
23.00 mi14:16:143:21:388:4611:14
8:58
#17552
24M
24.00 mi14:25:133:30:378:478:59
8:59
#17555
40K
24.85 mi14:32:583:38:228:477:45
9:04
#17530
25.2M
25.20 mi14:36:163:41:408:483:18
9:34
#17488
Finish
26.22 mi14:45:163:50:408:489:00
8:50
#17488
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18121114651146518682(Top 70%)11750(Top 77%)11750(Top 826%)
10K6.21 mi3.10 mi17715+40611336+12911336+12917281(Top 65%)11211(Top 74%)11211(Top 788%)
15K9.32 mi3.11 mi18030-31511464-12811464-12818682(Top 70%)11750(Top 77%)11750(Top 826%)
20K12.43 mi3.11 mi18009+2111466-211466-218019(Top 68%)11479(Top 76%)11479(Top 807%)
Half13.11 mi0.68 mi18037-2811484-1811484-1818865(Top 71%)11830(Top 78%)11830(Top 832%)
25K15.53 mi2.42 mi17940+9711416+6811416+6817576(Top 66%)11231(Top 74%)11231(Top 790%)
30K18.64 mi3.11 mi17811+12911346+7011346+7017458(Top 66%)11109(Top 73%)11109(Top 781%)
20M20.00 mi1.36 mi17769+4211309+3711309+3717352(Top 65%)10967(Top 72%)10967(Top 771%)
21M21.00 mi1.00 mi17703+6611270+3911270+3916631(Top 62%)10631(Top 70%)10631(Top 748%)
35K21.75 mi0.75 mi17665+3811240+3011240+3016920(Top 64%)10669(Top 70%)10669(Top 750%)
23M23.00 mi1.25 mi17552+11311177+6311177+6315897(Top 60%)10202(Top 67%)10202(Top 717%)
24M24.00 mi1.00 mi17555-311166+1111166+1117133(Top 64%)10679(Top 70%)10679(Top 751%)
40K24.85 mi0.85 mi17530+2511150+1611150+1616469(Top 62%)10338(Top 68%)10338(Top 727%)
25.2M25.20 mi0.35 mi17488+4211124+2611124+2615475(Top 58%)9896(Top 65%)9896(Top 696%)
Finish26.22 mi1.02 mi1748811110+1411110+1417185(Top 65%)10687(Top 70%)10687(Top 752%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18682

Males

11750

M55-59

11750

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

17281

Males

11211

M55-59

11211

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18682

Males

11750

M55-59

11750

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

18019

Males

11479

M55-59

11479

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18865

Males

11830

M55-59

11830

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17576

Males

11231

M55-59

11231

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17458

Males

11109

M55-59

11109

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

17352

Males

10967

M55-59

10967

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16631

Males

10631

M55-59

10631

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

16920

Males

10669

M55-59

10669

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

15897

Males

10202

M55-59

10202

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17133

Males

10679

M55-59

10679

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16469

Males

10338

M55-59

10338

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15475

Males

9896

M55-59

9896

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17185

Males

10687

M55-59

10687

Passing Analysis

Category:
Athletes Passed
1988
Passed By
1355
Net Change
+633
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18121
5K → 10K582176+406#18121#17715
10K → 15K92407-315#17715#18030
15K → 20K188167+21#18030#18009
20K → Half2048-28#18009#18037
Half → 25K17881+97#18037#17940
25K → 30K241112+129#17940#17811
30K → 20M11270+42#17811#17769
20M → 21M11650+66#17769#17703
21M → 35K6729+38#17703#17665
35K → 23M14229+113#17665#17552
23M → 24M6063-3#17552#17555
24M → 40K7550+25#17555#17530
40K → 25.2M5816+42#17530#17488
25.2M → Finish57570#17488#17488
TOTALS19881355+633
📊

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