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BOSTON MARATHON 2023

Bin Liu

Bib: 3638•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
Division (M60-64)
#0 / 1110
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:20
Rank: #7430
Start → 5K
22:20 | 7:11/mi
10K· 6.21 mi
44:31
Rank: #7525 (-95)
5K → 10K
22:11 | 7:08/mi
15K· 9.32 mi
1:07:13
Rank: #7828 (-303)
10K → 15K
22:42 | 7:18/mi
20K· 12.43 mi
1:30:47
Rank: #8290 (-462)
15K → 20K
23:34 | 7:35/mi
Half· 13.11 mi
1:35:51
Rank: #8352 (-62)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:54:43
Rank: #8708 (-356)
Half → 25K
18:52 | 7:47/mi
30K· 18.64 mi
2:19:13
Rank: #8901 (-193)
25K → 30K
24:30 | 7:53/mi
20M
2:30:05
Rank: #8985 (-84)
30K → 20M
10:52 | 8:00/mi
21M
2:38:56
Rank: #9166 (-181)
20M → 21M
8:51 | 8:51/mi
35K· 21.75 mi
2:44:52
Rank: #9249 (-83)
21M → 35K
5:56 | 7:56/mi
23M
2:55:20
Rank: #9398 (-149)
35K → 23M
10:28 | 8:22/mi
24M
3:03:36
Rank: #9554 (-156)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
3:10:37
Rank: #9577 (-23)
24M → 40K
7:01 | 8:12/mi
25.2M
3:13:50
Rank: #9651 (-74)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:22:15
Rank: #9811 (-160)
25.2M → Finish
8:25 | 8:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:51
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:46:24
Pace8:07 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5722:207:1122:20
7:11
-
10K
6.21 mi10:46:0844:317:1022:11
7:08
-0:03
15K
9.32 mi11:08:501:07:137:1322:42
7:18
+0:10
20K
12.43 mi11:32:241:30:477:1823:34
7:35
+0:17
Half
13.11 mi11:37:281:35:517:195:04
7:26
-0:09
25K
15.53 mi11:56:201:54:437:2318:52
7:47
+0:21
30K
18.64 mi12:20:502:19:137:2824:30
7:53
+0:06
20M
20.00 mi12:31:422:30:057:3010:52
8:00
+0:07
21M
21.00 mi12:40:332:38:567:348:51
8:51
+0:51
35K
21.75 mi12:46:292:44:527:355:56
7:56
-0:55
23M
23.00 mi12:56:572:55:207:3710:28
8:22
+0:26
24M
24.00 mi13:05:133:03:367:398:16
8:16
-0:06
40K
24.85 mi13:12:143:10:377:407:01
8:12
-0:04
25.2M
25.20 mi13:15:273:13:507:423:13
9:20
+1:08
Finish
26.22 mi13:23:523:22:157:438:25
8:16
-1:04

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

7:08 /mi

Average Pace

7:43 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:51

47% of race

Time at Steady Pace

1:07:11

33% of race

Time at Slower Pace

39:13

19% of race

Average Pace: 7:43 /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 mi10:23:5722:207:1122:20
7:11
#7430
10K
6.21 mi10:46:0844:317:1022:11
7:08
#7525
15K
9.32 mi11:08:501:07:137:1322:42
7:18
#7828
20K
12.43 mi11:32:241:30:477:1823:34
7:35
#8290
Half
13.11 mi11:37:281:35:517:195:04
7:26
#8352
25K
15.53 mi11:56:201:54:437:2318:52
7:47
#8708
30K
18.64 mi12:20:502:19:137:2824:30
7:53
#8901
20M
20.00 mi12:31:422:30:057:3010:52
8:00
#8985
21M
21.00 mi12:40:332:38:567:348:51
8:51
#9166
35K
21.75 mi12:46:292:44:527:355:56
7:56
#9249
23M
23.00 mi12:56:572:55:207:3710:28
8:22
#9398
24M
24.00 mi13:05:133:03:367:398:16
8:16
#9554
40K
24.85 mi13:12:143:10:377:407:01
8:12
#9577
25.2M
25.20 mi13:15:273:13:507:423:13
9:20
#9651
Finish
26.22 mi13:23:523:22:157:438:25
8:16
#9811
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi7430659665968603(Top 32%)7312(Top 48%)7312(Top 659%)
10K6.21 mi3.10 mi7525-956654-586654-587693(Top 29%)6729(Top 44%)6729(Top 606%)
15K9.32 mi3.11 mi7828-3036843-1896843-1898603(Top 32%)7312(Top 48%)7312(Top 659%)
20K12.43 mi3.11 mi8290-4627131-2887131-2889969(Top 37%)8056(Top 53%)8056(Top 726%)
Half13.11 mi0.68 mi8352-627162-317162-319585(Top 36%)7866(Top 52%)7866(Top 709%)
25K15.53 mi2.42 mi8708-3567362-2007362-20010929(Top 41%)8463(Top 56%)8463(Top 762%)
30K18.64 mi3.11 mi8901-1937445-837445-8310015(Top 38%)7834(Top 52%)7834(Top 706%)
20M20.00 mi1.36 mi8985-847477-327477-3210213(Top 38%)7866(Top 52%)7866(Top 709%)
21M21.00 mi1.00 mi9166-1817550-737550-7312514(Top 47%)8798(Top 58%)8798(Top 793%)
35K21.75 mi0.75 mi9249-837587-377587-3711572(Top 43%)8364(Top 55%)8364(Top 754%)
23M23.00 mi1.25 mi9398-1497660-737660-7312279(Top 46%)8584(Top 57%)8584(Top 773%)
24M24.00 mi1.00 mi9554-1567721-617721-6113017(Top 49%)8852(Top 58%)8852(Top 797%)
40K24.85 mi0.85 mi9577-237707+147707+1411369(Top 43%)8003(Top 53%)8003(Top 721%)
25.2M25.20 mi0.35 mi9651-747730-237730-2314231(Top 53%)9324(Top 61%)9324(Top 840%)
Finish26.22 mi1.02 mi9811-1607786-567786-5613801(Top 52%)9142(Top 60%)9142(Top 824%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8603

Males

7312

M60-64

7312

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7693

Males

6729

M60-64

6729

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8603

Males

7312

M60-64

7312

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9969

Males

8056

M60-64

8056

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9585

Males

7866

M60-64

7866

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10929

Males

8463

M60-64

8463

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10015

Males

7834

M60-64

7834

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10213

Males

7866

M60-64

7866

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12514

Males

8798

M60-64

8798

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11572

Males

8364

M60-64

8364

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12279

Males

8584

M60-64

8584

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13017

Males

8852

M60-64

8852

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11369

Males

8003

M60-64

8003

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14231

Males

9324

M60-64

9324

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13801

Males

9142

M60-64

9142

Passing Analysis

Category:
Athletes Passed
696*
Passed By
3077
Net Change
-2381
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7430
5K → 10K183278-95#7430#7525
10K → 15K45348-303#7525#7828
15K → 20K33495-462#7828#8290
20K → Half668-62#8290#8352
Half → 25K26382-356#8352#8708
25K → 30K116309-193#8708#8901
30K → 20M58142-84#8901#8985
20M → 21M36217-181#8985#9166
21M → 35K18101-83#9166#9249
35K → 23M43192-149#9249#9398
23M → 24M29185-156#9398#9554
24M → 40K51*74-23#9554#9577
40K → 25.2M2397-74#9577#9651
25.2M → Finish29189-160#9651#9811
TOTALS696*3077-2381

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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