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BOSTON MARATHON 2023

Liang Zeng Yan

Bib: 18485•M

NY

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
25:18
Rank: #15017
Start → 5K
25:18 | 8:09/mi
10K· 6.21 mi
50:24
Rank: #15191 (-174)
5K → 10K
25:06 | 8:05/mi
15K· 9.32 mi
1:15:43
Rank: #15285 (-94)
10K → 15K
25:19 | 8:09/mi
20K· 12.43 mi
1:41:05
Rank: #15122 (+163)
15K → 20K
25:22 | 8:10/mi
Half· 13.11 mi
1:46:35
Rank: #15097 (+25)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:06:41
Rank: #15028 (+69)
Half → 25K
20:06 | 8:17/mi
30K· 18.64 mi
2:34:44
Rank: #15484 (-456)
25K → 30K
28:03 | 9:02/mi
20M
2:47:21
Rank: #15661 (-177)
30K → 20M
12:37 | 9:17/mi
21M
2:57:07
Rank: #15751 (-90)
20M → 21M
9:46 | 9:46/mi
35K· 21.75 mi
3:03:51
Rank: #15818 (-67)
21M → 35K
6:44 | 9:00/mi
23M
3:14:55
Rank: #15762 (+56)
35K → 23M
11:04 | 8:50/mi
24M
3:23:27
Rank: #15719 (+43)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:31:00
Rank: #15698 (+21)
24M → 40K
7:33 | 8:50/mi
25.2M
3:34:18
Rank: #15692 (+6)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:42:40
Rank: #15617 (+75)
25.2M → Finish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:35
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:56:05
Pace8:51 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4725:188:0925:18
8:09
-
10K
6.21 mi11:41:5350:248:0725:06
8:05
-0:04
15K
9.32 mi12:07:121:15:438:0725:19
8:09
+0:04
20K
12.43 mi12:32:341:41:058:0825:22
8:10
+0:01
Half
13.11 mi12:38:041:46:358:085:30
8:04
-0:06
25K
15.53 mi12:58:102:06:418:0920:06
8:17
+0:13
30K
18.64 mi13:26:132:34:448:1828:03
9:02
+0:45
20M
20.00 mi13:38:502:47:218:2212:37
9:17
+0:15
21M
21.00 mi13:48:362:57:078:269:46
9:46
+0:29
35K
21.75 mi13:55:203:03:518:276:44
9:00
-0:46
23M
23.00 mi14:06:243:14:558:2811:04
8:50
-0:10
24M
24.00 mi14:14:563:23:278:298:32
8:32
-0:18
40K
24.85 mi14:22:293:31:008:297:33
8:50
+0:18
25.2M
25.20 mi14:25:473:34:188:303:18
9:34
+0:44
Finish
26.22 mi14:34:093:42:408:308:22
8:13
-1:21

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

8:04 /mi

Average Pace

8:30 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:57

52% of race

Time at Steady Pace

28:38

13% of race

Time at Slower Pace

1:19:05

36% of race

Average Pace: 8:30 /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 mi11:16:4725:188:0925:18
8:09
#15017
10K
6.21 mi11:41:5350:248:0725:06
8:05
#15191
15K
9.32 mi12:07:121:15:438:0725:19
8:09
#15285
20K
12.43 mi12:32:341:41:058:0825:22
8:10
#15122
Half
13.11 mi12:38:041:46:358:085:30
8:04
#15097
25K
15.53 mi12:58:102:06:418:0920:06
8:17
#15028
30K
18.64 mi13:26:132:34:448:1828:03
9:02
#15484
20M
20.00 mi13:38:502:47:218:2212:37
9:17
#15661
21M
21.00 mi13:48:362:57:078:269:46
9:46
#15751
35K
21.75 mi13:55:203:03:518:276:44
9:00
#15818
23M
23.00 mi14:06:243:14:558:2811:04
8:50
#15762
24M
24.00 mi14:14:563:23:278:298:32
8:32
#15719
40K
24.85 mi14:22:293:31:008:297:33
8:50
#15698
25.2M
25.20 mi14:25:473:34:188:303:18
9:34
#15692
Finish
26.22 mi14:34:093:42:408:308:22
8:13
#15617
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15017103461034615482(Top 58%)10496(Top 69%)10496(Top 738%)
10K6.21 mi3.10 mi15191-17410406-6010406-6015356(Top 58%)10453(Top 69%)10453(Top 735%)
15K9.32 mi3.11 mi15285-9410423-1710423-1715482(Top 58%)10496(Top 69%)10496(Top 738%)
20K12.43 mi3.11 mi15122+16310340+8310340+8314698(Top 55%)10158(Top 67%)10158(Top 714%)
Half13.11 mi0.68 mi15097+2510333+710333+714813(Top 56%)10230(Top 67%)10230(Top 719%)
25K15.53 mi2.42 mi15028+6910281+5210281+5214882(Top 56%)10112(Top 67%)10112(Top 711%)
30K18.64 mi3.11 mi15484-45610402-12110402-12117316(Top 65%)11041(Top 73%)11041(Top 776%)
20M20.00 mi1.36 mi15661-17710455-5310455-5317925(Top 67%)11196(Top 74%)11196(Top 787%)
21M21.00 mi1.00 mi15751-9010463-810463-817098(Top 64%)10828(Top 71%)10828(Top 761%)
35K21.75 mi0.75 mi15818-6710472-910472-917886(Top 67%)11087(Top 73%)11087(Top 780%)
23M23.00 mi1.25 mi15762+5610423+4910423+4915188(Top 57%)9889(Top 65%)9889(Top 695%)
24M24.00 mi1.00 mi15719+4310386+3710386+3714660(Top 55%)9593(Top 63%)9593(Top 675%)
40K24.85 mi0.85 mi15698+2110373+1310373+1315220(Top 57%)9786(Top 64%)9786(Top 688%)
25.2M25.20 mi0.35 mi15692+610370+310370+315457(Top 58%)9878(Top 65%)9878(Top 695%)
Finish26.22 mi1.02 mi15617+7510329+4110329+4113482(Top 51%)9014(Top 59%)9014(Top 634%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15482

Males

10496

M55-59

10496

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

15356

Males

10453

M55-59

10453

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15482

Males

10496

M55-59

10496

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14698

Males

10158

M55-59

10158

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14813

Males

10230

M55-59

10230

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14882

Males

10112

M55-59

10112

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17316

Males

11041

M55-59

11041

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17925

Males

11196

M55-59

11196

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

17098

Males

10828

M55-59

10828

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17886

Males

11087

M55-59

11087

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15188

Males

9889

M55-59

9889

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14660

Males

9593

M55-59

9593

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15220

Males

9786

M55-59

9786

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15457

Males

9878

M55-59

9878

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13482

Males

9014

M55-59

9014

Passing Analysis

Category:
Athletes Passed
1444
Passed By
2044
Net Change
-600
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15017
5K → 10K225399-174#15017#15191
10K → 15K143237-94#15191#15285
15K → 20K263100+163#15285#15122
20K → Half4924+25#15122#15097
Half → 25K171102+69#15097#15028
25K → 30K65521-456#15028#15484
30K → 20M43220-177#15484#15661
20M → 21M64154-90#15661#15751
21M → 35K3097-67#15751#15818
35K → 23M10448+56#15818#15762
23M → 24M9047+43#15762#15719
24M → 40K7150+21#15719#15698
40K → 25.2M2923+6#15698#15692
25.2M → Finish9722+75#15692#15617
TOTALS14442044-600
📊

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