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BOSTON MARATHON 2023

Ming Liu

Bib: 17011•M

WA

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
Top 45%
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
7:56/mi
24:40
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:12:59
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:37:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:42:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:01:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:12/mi
2:27:24
↑ 181↓ 1480.2%
20M
8:20/mi
2:38:43
↑ 64↓ 500.2%
21M
9:44/mi
2:48:27
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:54:29
↑ 17↓ 861.7%
23M
9:17/mi
3:06:07
↑ 23↓ 630.6%
24M
8:29/mi
3:14:36
↓ 821.3%
40K· 24.85 mi
9:23/mi
3:22:37
↓ 200.3%
25.2M
10:03/mi
3:26:05
↑ 13↓ 160.2%
Finish· 26.22 mi
8:10/mi
3:34:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:37
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:51:47
Pace8:32 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1324:407:5624:40
7:56
-
10K
6.21 mi11:39:2948:567:5324:16
7:49
-0:07
15K
9.32 mi12:03:321:12:597:5024:03
7:44
-0:05
20K
12.43 mi12:27:511:37:187:5024:19
7:50
+0:06
Half
13.11 mi12:33:101:42:377:505:19
7:48
-0:02
25K
15.53 mi12:52:292:01:567:5119:19
7:58
+0:10
30K
18.64 mi13:17:572:27:247:5425:28
8:12
+0:14
20M
20.00 mi13:29:162:38:437:5611:19
8:20
+0:08
21M
21.00 mi13:39:002:48:278:019:44
9:44
+1:24
35K
21.75 mi13:45:022:54:298:016:02
8:04
-1:40
23M
23.00 mi13:56:403:06:078:0611:38
9:17
+1:13
24M
24.00 mi14:05:093:14:368:078:29
8:29
-0:48
40K
24.85 mi14:13:103:22:378:098:01
9:23
+0:54
25.2M
25.20 mi14:16:383:26:058:113:28
10:03
+0:40
Finish
26.22 mi14:24:573:34:248:118:19
8:10
-1:53

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

7:44 /mi

Average Pace

8:11 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:03

11% of race

Time at Steady Pace

2:37:30

73% of race

Time at Slower Pace

32:51

15% of race

Average Pace: 8:11 /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 mi11:15:1324:407:5624:40
7:56
#13574
10K
6.21 mi11:39:2948:567:5324:16
7:49
#13384
15K
9.32 mi12:03:321:12:597:5024:03
7:44
#12964
20K
12.43 mi12:27:511:37:187:5024:19
7:50
#12655
Half
13.11 mi12:33:101:42:377:505:19
7:48
#12647
25K
15.53 mi12:52:292:01:567:5119:19
7:58
#12584
30K
18.64 mi13:17:572:27:247:5425:28
8:12
#12528
20M
20.00 mi13:29:162:38:437:5611:19
8:20
#12517
21M
21.00 mi13:39:002:48:278:019:44
9:44
#12831
35K
21.75 mi13:45:022:54:298:016:02
8:04
#12808
23M
23.00 mi13:56:403:06:078:0611:38
9:17
#13134
24M
24.00 mi14:05:093:14:368:078:29
8:29
#13179
40K
24.85 mi14:13:103:22:378:098:01
9:23
#13388
25.2M
25.20 mi14:16:383:26:058:113:28
10:03
#13474
Finish
26.22 mi14:24:573:34:248:118:19
8:10
#13457
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi135749794979412199(Top 46%)9171(Top 60%)9171(Top 645%)
10K6.21 mi3.10 mi13384+1909692+1029692+10213208(Top 50%)9635(Top 63%)9635(Top 678%)
15K9.32 mi3.11 mi12964+4209509+1839509+18312199(Top 46%)9171(Top 60%)9171(Top 645%)
20K12.43 mi3.11 mi12655+3099352+1579352+15711957(Top 45%)9000(Top 59%)9000(Top 633%)
Half13.11 mi0.68 mi12647+89345+79345+712616(Top 47%)9341(Top 62%)9341(Top 657%)
25K15.53 mi2.42 mi12584+639294+519294+5112456(Top 47%)9108(Top 60%)9108(Top 641%)
30K18.64 mi3.11 mi12528+569239+559239+5512324(Top 46%)8938(Top 59%)8938(Top 629%)
20M20.00 mi1.36 mi12517+119220+199220+1912524(Top 47%)8917(Top 59%)8917(Top 627%)
21M21.00 mi1.00 mi12831-3149320-1009320-10016958(Top 64%)10770(Top 71%)10770(Top 757%)
35K21.75 mi0.75 mi12808+239301+199301+1912554(Top 47%)8805(Top 58%)8805(Top 619%)
23M23.00 mi1.25 mi13134-3269422-1219422-12117456(Top 66%)10889(Top 72%)10889(Top 766%)
24M24.00 mi1.00 mi13179-459406+169406+1614363(Top 54%)9467(Top 62%)9467(Top 666%)
40K24.85 mi0.85 mi13388-2099475-699475-6917823(Top 67%)10945(Top 72%)10945(Top 770%)
25.2M25.20 mi0.35 mi13474-869497-229497-2217521(Top 66%)10778(Top 71%)10778(Top 758%)
Finish26.22 mi1.02 mi13457+179473+249473+2413155(Top 49%)8851(Top 58%)8851(Top 622%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12199

Males

9171

M55-59

9171

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13208

Males

9635

M55-59

9635

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12199

Males

9171

M55-59

9171

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

11957

Males

9000

M55-59

9000

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12616

Males

9341

M55-59

9341

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12456

Males

9108

M55-59

9108

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12324

Males

8938

M55-59

8938

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12524

Males

8917

M55-59

8917

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16958

Males

10770

M55-59

10770

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12554

Males

8805

M55-59

8805

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

17456

Males

10889

M55-59

10889

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

14363

Males

9467

M55-59

9467

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17823

Males

10945

M55-59

10945

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17521

Males

10778

M55-59

10778

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13155

Males

8851

M55-59

8851

Passing Analysis

Category:
Athletes Passed
2070
Passed By
1953
Net Change
+117
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13574
5K → 10K410220+190#13574#13384
10K → 15K47656+420#13384#12964
15K → 20K36758+309#12964#12655
20K → Half3729+8#12655#12647
Half → 25K163100+63#12647#12584
25K → 30K219163+56#12584#12528
30K → 20M10796+11#12528#12517
20M → 21M33347-314#12517#12831
21M → 35K6542+23#12831#12808
35K → 23M21347-326#12808#13134
23M → 24M55100-45#13134#13179
24M → 40K22231-209#13179#13388
40K → 25.2M14100-86#13388#13474
25.2M → Finish8164+17#13474#13457
TOTALS20701953+117
📊

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