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BOSTON MARATHON 2023

Binzhang Liu

Bib: 20763•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:05/mi
28:14
↑ 97↓ 3451.5%
10K· 6.21 mi
9:07/mi
56:34
↑ 79↓ 1380.4%
15K· 9.32 mi
9:08/mi
1:24:58
↑ 67↓ 78
20K· 12.43 mi
9:22/mi
1:54:04
↑ 106↓ 860.1%
Half· 13.11 mi
9:20/mi
2:00:26
↑ 19↓ 370.5%
25K· 15.53 mi
9:28/mi
2:23:24
↑ 66↓ 880.2%
30K· 18.64 mi
9:59/mi
2:54:25
↑ 181↓ 1480.2%
20M
9:27/mi
3:07:15
↑ 64↓ 500.2%
21M
9:42/mi
3:16:57
↑ 106↓ 241.6%
35K· 21.75 mi
9:29/mi
3:24:03
↑ 17↓ 861.7%
23M
9:49/mi
3:36:21
↑ 23↓ 630.6%
24M
9:38/mi
3:45:59
↓ 821.3%
40K· 24.85 mi
10:20/mi
3:54:49
↓ 200.3%
25.2M
12:43/mi
3:59:12
↑ 13↓ 160.2%
Finish· 26.22 mi
11:04/mi
4:10:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:26
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:10:03
Pace9:55 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2328:149:0528:14
9:05
-
10K
6.21 mi11:53:4356:349:0628:20
9:07
+0:02
15K
9.32 mi12:22:071:24:589:0728:24
9:08
+0:01
20K
12.43 mi12:51:131:54:049:1129:06
9:22
+0:14
Half
13.11 mi12:57:352:00:269:116:22
9:20
-0:02
25K
15.53 mi13:20:332:23:249:1422:58
9:28
+0:08
30K
18.64 mi13:51:342:54:259:2131:01
9:59
+0:31
20M
20.00 mi14:04:243:07:159:2212:50
9:27
-0:32
21M
21.00 mi14:14:063:16:579:239:42
9:42
+0:15
35K
21.75 mi14:21:123:24:039:237:06
9:29
-0:13
23M
23.00 mi14:33:303:36:219:2412:18
9:49
+0:20
24M
24.00 mi14:43:083:45:599:259:38
9:38
-0:11
40K
24.85 mi14:51:583:54:499:278:50
10:20
+0:42
25.2M
25.20 mi14:56:213:59:129:304:23
12:43
+2:23
Finish
26.22 mi15:07:384:10:299:3411:17
11:04
-1:39

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

9:05 /mi

Average Pace

9:34 /mi

Slowest Pace

12:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:14:58

78% of race

Time at Slower Pace

55:31

22% of race

Average Pace: 9:33 /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 mi11:25:2328:149:0528:14
9:05
#20816
10K
6.21 mi11:53:4356:349:0628:20
9:07
#21065
15K
9.32 mi12:22:071:24:589:0728:24
9:08
#21099
20K
12.43 mi12:51:131:54:049:1129:06
9:22
#21108
Half
13.11 mi12:57:352:00:269:116:22
9:20
#21142
25K
15.53 mi13:20:332:23:249:1422:58
9:28
#21051
30K
18.64 mi13:51:342:54:259:2131:01
9:59
#21030
20M
20.00 mi14:04:243:07:159:2212:50
9:27
#20837
21M
21.00 mi14:14:063:16:579:239:42
9:42
#20607
35K
21.75 mi14:21:123:24:039:237:06
9:29
#20570
23M
23.00 mi14:33:303:36:219:2412:18
9:49
#20481
24M
24.00 mi14:43:083:45:599:259:38
9:38
#20444
40K
24.85 mi14:51:583:54:499:278:50
10:20
#20445
25.2M
25.20 mi14:56:213:59:129:304:23
12:43
#20542
Finish
26.22 mi15:07:384:10:299:3411:17
11:04
#20709
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20816125191251921107(Top 79%)12794(Top 84%)12794(Top 1153%)
10K6.21 mi3.10 mi21065-24912690-17112690-17121345(Top 80%)12857(Top 85%)12857(Top 1158%)
15K9.32 mi3.11 mi21099-3412739-4912739-4921107(Top 79%)12794(Top 84%)12794(Top 1153%)
20K12.43 mi3.11 mi21108-912754-1512754-1521143(Top 79%)12808(Top 84%)12808(Top 1154%)
Half13.11 mi0.68 mi21142-3412778-2412778-2421596(Top 81%)13001(Top 86%)13001(Top 1171%)
25K15.53 mi2.42 mi21051+9112737+4112737+4120747(Top 78%)12593(Top 83%)12593(Top 1135%)
30K18.64 mi3.11 mi21030+2112708+2912708+2920991(Top 79%)12632(Top 83%)12632(Top 1138%)
20M20.00 mi1.36 mi20837+19312615+9312615+9318636(Top 70%)11520(Top 76%)11520(Top 1038%)
21M21.00 mi1.00 mi20607+23012499+11612499+11616845(Top 63%)10733(Top 71%)10733(Top 967%)
35K21.75 mi0.75 mi20570+3712475+2412475+2419818(Top 74%)11978(Top 79%)11978(Top 1079%)
23M23.00 mi1.25 mi20481+8912419+5612419+5619490(Top 73%)11795(Top 78%)11795(Top 1063%)
24M24.00 mi1.00 mi20444+3712391+2812391+2819682(Top 74%)11862(Top 78%)11862(Top 1069%)
40K24.85 mi0.85 mi20445-112389+212389+220811(Top 78%)12294(Top 81%)12294(Top 1108%)
25.2M25.20 mi0.35 mi20542-9712424-3512424-3523573(Top 89%)13575(Top 89%)13575(Top 1223%)
Finish26.22 mi1.02 mi20709-16712482-5812482-5824095(Top 91%)13861(Top 91%)13861(Top 1249%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

21107

Males

12794

M60-64

12794

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21345

Males

12857

M60-64

12857

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

21107

Males

12794

M60-64

12794

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

21143

Males

12808

M60-64

12808

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21596

Males

13001

M60-64

13001

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20747

Males

12593

M60-64

12593

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

20991

Males

12632

M60-64

12632

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

18636

Males

11520

M60-64

11520

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16845

Males

10733

M60-64

10733

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19818

Males

11978

M60-64

11978

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19490

Males

11795

M60-64

11795

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19682

Males

11862

M60-64

11862

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20811

Males

12294

M60-64

12294

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23573

Males

13575

M60-64

13575

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24095

Males

13861

M60-64

13861

Passing Analysis

Category:
Athletes Passed
1530
Passed By
1423
Net Change
+107
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20816
5K → 10K184433-249#20816#21065
10K → 15K155189-34#21065#21099
15K → 20K146155-9#21099#21108
20K → Half1751-34#21108#21142
Half → 25K14453+91#21142#21051
25K → 30K160139+21#21051#21030
30K → 20M2018+193#21030#20837
20M → 21M2300+230#20837#20607
21M → 35K5720+37#20607#20570
35K → 23M11021+89#20570#20481
23M → 24M6528+37#20481#20444
24M → 40K4647-1#20444#20445
40K → 25.2M7104-97#20445#20542
25.2M → Finish8175-167#20542#20709
TOTALS15301423+107
📊

Passing Visuals

Category:
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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