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BOSTON MARATHON 2024

Laibin Liu

Bib: 21268•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M60-64)
#0 / 1173
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:44
Rank: #16539
Start → 5K
8:17/mi
25:44 split
10K· 6.21 mi
52:08
Rank: #16853 (-314)
5K → 10K
8:30/mi
26:24 split
15K· 9.32 mi
1:19:10
Rank: #17042 (-189)
10K → 15K
8:42/mi
27:02 split
20K· 12.43 mi
1:47:15
Rank: #17142 (-100)
15K → 20K
9:02/mi
28:05 split
Half· 13.11 mi
1:53:23
Rank: #17170 (-28)
20K → Half
8:59/mi
6:08 split
25K· 15.53 mi
2:16:23
Rank: #17254 (-84)
Half → 25K
9:29/mi
23:00 split
30K· 18.64 mi
2:48:54
Rank: #17633 (-379)
25K → 30K
10:28/mi
32:31 split
20M
3:03:57
Rank: #17878 (-245)
30K → 20M
11:04/mi
15:03 split
21M
3:16:08
Rank: #18015 (-137)
20M → 21M
12:11/mi
12:11 split
35K· 21.75 mi
3:23:45
Rank: #17998 (+17)
21M → 35K
10:11/mi
7:37 split
23M
3:38:59
Rank: #18221 (-223)
35K → 23M
12:10/mi
15:14 split
24M
3:51:24
Rank: #18466 (-245)
23M → 24M
12:25/mi
12:25 split
40K· 24.85 mi
4:02:42
Rank: #18675 (-209)
24M → 40K
13:13/mi
11:18 split
25.2M
4:07:45
Rank: #18761 (-86)
40K → 25.2M
14:39/mi
5:03 split
Finish· 26.22 mi
4:19:19
Rank: #18885 (-124)
25.2M → Finish
11:21/mi
11:34 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:23
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:25:56
Pace11:08 /mi
📊Positive Split: 28.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0025:448:1725:44
8:17
-
10K
6.21 mi11:48:2452:088:2326:24
8:30
+0:13
15K
9.32 mi12:15:261:19:108:3027:02
8:42
+0:12
20K
12.43 mi12:43:311:47:158:3828:05
9:02
+0:20
Half
13.11 mi12:49:391:53:238:396:08
8:59
-0:03
25K
15.53 mi13:12:392:16:238:4723:00
9:29
+0:30
30K
18.64 mi13:45:102:48:549:0432:31
10:28
+0:59
20M
20.00 mi14:00:133:03:579:1215:03
11:04
+0:36
21M
21.00 mi14:12:243:16:089:2012:11
12:11
+1:07
35K
21.75 mi14:20:013:23:459:227:37
10:11
-2:00
23M
23.00 mi14:35:153:38:599:3115:14
12:10
+1:59
24M
24.00 mi14:47:403:51:249:3912:25
12:25
+0:15
40K
24.85 mi14:58:584:02:429:4611:18
13:13
+0:48
25.2M
25.20 mi15:04:014:07:459:505:03
14:39
+1:26
Finish
26.22 mi15:15:354:19:199:5411:34
11:21
-3:18

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

8:17 /mi

Average Pace

9:54 /mi

Slowest Pace

14:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:23

53% of race

Time at Steady Pace

1:06:45

26% of race

Time at Slower Pace

56:11

22% of race

Average Pace: 9:53 /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 mi11:22:0025:448:1725:44
8:17
#16539
10K
6.21 mi11:48:2452:088:2326:24
8:30
#16853
15K
9.32 mi12:15:261:19:108:3027:02
8:42
#17042
20K
12.43 mi12:43:311:47:158:3828:05
9:02
#17142
Half
13.11 mi12:49:391:53:238:396:08
8:59
#17170
25K
15.53 mi13:12:392:16:238:4723:00
9:29
#17254
30K
18.64 mi13:45:102:48:549:0432:31
10:28
#17633
20M
20.00 mi14:00:133:03:579:1215:03
11:04
#17878
21M
21.00 mi14:12:243:16:089:2012:11
12:11
#18015
35K
21.75 mi14:20:013:23:459:227:37
10:11
#17998
23M
23.00 mi14:35:153:38:599:3115:14
12:10
#18221
24M
24.00 mi14:47:403:51:249:3912:25
12:25
#18466
40K
24.85 mi14:58:584:02:429:4611:18
13:13
#18675
25.2M
25.20 mi15:04:014:07:459:505:03
14:39
#18761
Finish
26.22 mi15:15:354:19:199:5411:34
11:21
#18885
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16539106131061317490(Top 68%)11028(Top 76%)11028(Top 940%)
10K6.21 mi3.10 mi16853-31410749-13610749-13617255(Top 68%)10932(Top 75%)10932(Top 932%)
15K9.32 mi3.11 mi17042-18910833-8410833-8417490(Top 68%)11028(Top 76%)11028(Top 940%)
20K12.43 mi3.11 mi17142-10010853-2010853-2017502(Top 69%)11037(Top 76%)11037(Top 941%)
Half13.11 mi0.68 mi17170-28108531085318195(Top 71%)11271(Top 77%)11271(Top 961%)
25K15.53 mi2.42 mi17254-8410873-2010873-2017507(Top 69%)10933(Top 75%)10933(Top 932%)
30K18.64 mi3.11 mi17633-37910980-10710980-10718692(Top 73%)11250(Top 77%)11250(Top 959%)
20M20.00 mi1.36 mi17878-24511046-6611046-6619455(Top 76%)11470(Top 79%)11470(Top 978%)
21M21.00 mi1.00 mi18015-13711083-3711083-3719210(Top 75%)11252(Top 77%)11252(Top 959%)
35K21.75 mi0.75 mi17998+1711055+2811055+2817686(Top 69%)10473(Top 72%)10473(Top 893%)
23M23.00 mi1.25 mi18221-22311143-8811143-8821088(Top 83%)12117(Top 83%)12117(Top 1033%)
24M24.00 mi1.00 mi18466-24511229-8611229-8622171(Top 87%)12609(Top 86%)12609(Top 1075%)
40K24.85 mi0.85 mi18675-20911304-7511304-7522575(Top 88%)12791(Top 88%)12791(Top 1090%)
25.2M25.20 mi0.35 mi18761-8611331-2711331-2722534(Top 88%)12768(Top 88%)12768(Top 1088%)
Finish26.22 mi1.02 mi18885-12411378-4711378-4722119(Top 87%)12569(Top 86%)12569(Top 1072%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

17490

Males

11028

M60-64

11028

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

17255

Males

10932

M60-64

10932

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

17490

Males

11028

M60-64

11028

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

17502

Males

11037

M60-64

11037

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18195

Males

11271

M60-64

11271

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

17507

Males

10933

M60-64

10933

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

18692

Males

11250

M60-64

11250

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

19455

Males

11470

M60-64

11470

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19210

Males

11252

M60-64

11252

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

17686

Males

10473

M60-64

10473

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

21088

Males

12117

M60-64

12117

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

22171

Males

12609

M60-64

12609

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

22575

Males

12791

M60-64

12791

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

22534

Males

12768

M60-64

12768

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

22119

Males

12569

M60-64

12569

Passing Analysis

Category:
Athletes Passed
1260
Passed By
3606
Net Change
-2346
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16539
5K → 10K178492-314#16539#16853
10K → 15K175364-189#16853#17042
15K → 20K237337-100#17042#17142
20K → Half3159-28#17142#17170
Half → 25K165249-84#17170#17254
25K → 30K148527-379#17254#17633
30K → 20M62307-245#17633#17878
20M → 21M56193-137#17878#18015
21M → 35K7154+17#18015#17998
35K → 23M53276-223#17998#18221
23M → 24M26271-245#18221#18466
24M → 40K17226-209#18466#18675
40K → 25.2M995-86#18675#18761
25.2M → Finish32156-124#18761#18885
TOTALS12603606-2346
📊

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