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BOSTON MARATHON 2023

Chong Liang

Bib: 20879•M

IL

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

Start
0:00:00
Race begins
5K· 3.11 mi
27:06
Rank: #19016
Start → 5K
27:06 | 8:43/mi
10K· 6.21 mi
53:41
Rank: #18738 (+278)
5K → 10K
26:35 | 8:33/mi
15K· 9.32 mi
1:19:53
Rank: #18298 (+440)
10K → 15K
26:12 | 8:26/mi
20K· 12.43 mi
1:46:45
Rank: #18143 (+155)
15K → 20K
26:52 | 8:39/mi
Half· 13.11 mi
1:52:37
Rank: #18145 (-2)
20K → Half
5:52 | 8:36/mi
25K· 15.53 mi
2:13:28
Rank: #17898 (+247)
Half → 25K
20:51 | 8:36/mi
30K· 18.64 mi
2:41:32
Rank: #17746 (+152)
25K → 30K
28:04 | 9:02/mi
20M
2:53:39
Rank: #17618 (+128)
30K → 20M
12:07 | 8:55/mi
21M
3:03:35
Rank: #17642 (-24)
20M → 21M
9:56 | 9:56/mi
35K· 21.75 mi
3:10:16
Rank: #17628 (+14)
21M → 35K
6:41 | 8:56/mi
23M
3:21:33
Rank: #17528 (+100)
35K → 23M
11:17 | 9:01/mi
24M
3:30:24
Rank: #17502 (+26)
23M → 24M
8:51 | 8:51/mi
40K· 24.85 mi
3:38:18
Rank: #17514 (-12)
24M → 40K
7:54 | 9:14/mi
25.2M
3:41:51
Rank: #17539 (-25)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
3:51:15
Rank: #17618 (-79)
25.2M → Finish
9:24 | 9:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:37
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time1:58:38
Pace9:03 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4427:068:4327:06
8:43
-
10K
6.21 mi11:50:1953:418:3826:35
8:33
-0:10
15K
9.32 mi12:16:311:19:538:3426:12
8:26
-0:07
20K
12.43 mi12:43:231:46:458:3526:52
8:39
+0:13
Half
13.11 mi12:49:151:52:378:355:52
8:36
-0:03
25K
15.53 mi13:10:062:13:288:3620:51
8:36
0:00
30K
18.64 mi13:38:102:41:328:4028:04
9:02
+0:26
20M
20.00 mi13:50:172:53:398:4112:07
8:55
-0:07
21M
21.00 mi14:00:133:03:358:459:56
9:56
+1:01
35K
21.75 mi14:06:543:10:168:456:41
8:56
-1:00
23M
23.00 mi14:18:113:21:338:4611:17
9:01
+0:05
24M
24.00 mi14:27:023:30:248:468:51
8:51
-0:10
40K
24.85 mi14:34:563:38:188:477:54
9:14
+0:23
25.2M
25.20 mi14:38:293:41:518:483:33
10:18
+1:04
Finish
26.22 mi14:47:533:51:158:509:24
9:13
-1:05

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

8:26 /mi

Average Pace

8:50 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:22

46% of race

Time at Steady Pace

1:34:06

41% of race

Time at Slower Pace

30:47

13% of race

Average Pace: 8:49 /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 mi11:23:4427:068:4327:06
8:43
#19016
10K
6.21 mi11:50:1953:418:3826:35
8:33
#18738
15K
9.32 mi12:16:311:19:538:3426:12
8:26
#18298
20K
12.43 mi12:43:231:46:458:3526:52
8:39
#18143
Half
13.11 mi12:49:151:52:378:355:52
8:36
#18145
25K
15.53 mi13:10:062:13:288:3620:51
8:36
#17898
30K
18.64 mi13:38:102:41:328:4028:04
9:02
#17746
20M
20.00 mi13:50:172:53:398:4112:07
8:55
#17618
21M
21.00 mi14:00:133:03:358:459:56
9:56
#17642
35K
21.75 mi14:06:543:10:168:456:41
8:56
#17628
23M
23.00 mi14:18:113:21:338:4611:17
9:01
#17528
24M
24.00 mi14:27:023:30:248:468:51
8:51
#17502
40K
24.85 mi14:34:563:38:188:477:54
9:14
#17514
25.2M
25.20 mi14:38:293:41:518:483:33
10:18
#17539
Finish
26.22 mi14:47:533:51:158:509:24
9:13
#17618
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19016117791177917350(Top 65%)11199(Top 74%)11199(Top 1009%)
10K6.21 mi3.10 mi18738+27811745+3411745+3418589(Top 70%)11741(Top 77%)11741(Top 1058%)
15K9.32 mi3.11 mi18298+44011590+15511590+15517350(Top 65%)11199(Top 74%)11199(Top 1009%)
20K12.43 mi3.11 mi18143+15511525+6511525+6517774(Top 67%)11368(Top 75%)11368(Top 1024%)
Half13.11 mi0.68 mi18145-211527-211527-218285(Top 69%)11604(Top 76%)11604(Top 1045%)
25K15.53 mi2.42 mi17898+24711398+12911398+12916801(Top 63%)10885(Top 72%)10885(Top 981%)
30K18.64 mi3.11 mi17746+15211323+7511323+7517355(Top 65%)11060(Top 73%)11060(Top 996%)
20M20.00 mi1.36 mi17618+12811255+6811255+6816085(Top 60%)10451(Top 69%)10451(Top 942%)
21M21.00 mi1.00 mi17642-2411246+911246+917768(Top 67%)11127(Top 73%)11127(Top 1002%)
35K21.75 mi0.75 mi17628+1411224+2211224+2217600(Top 66%)10971(Top 72%)10971(Top 988%)
23M23.00 mi1.25 mi17528+10011170+5411170+5416114(Top 61%)10289(Top 68%)10289(Top 927%)
24M24.00 mi1.00 mi17502+2611151+1911151+1916479(Top 62%)10394(Top 68%)10394(Top 936%)
40K24.85 mi0.85 mi17514-1211141+1011141+1017255(Top 65%)10693(Top 70%)10693(Top 963%)
25.2M25.20 mi0.35 mi17539-2511148-711148-718422(Top 69%)11214(Top 74%)11214(Top 1010%)
Finish26.22 mi1.02 mi17618-7911169-2111169-2119010(Top 71%)11547(Top 76%)11547(Top 1040%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17350

Males

11199

M60-64

11199

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18589

Males

11741

M60-64

11741

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17350

Males

11199

M60-64

11199

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17774

Males

11368

M60-64

11368

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18285

Males

11604

M60-64

11604

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16801

Males

10885

M60-64

10885

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17355

Males

11060

M60-64

11060

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16085

Males

10451

M60-64

10451

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17768

Males

11127

M60-64

11127

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17600

Males

10971

M60-64

10971

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16114

Males

10289

M60-64

10289

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16479

Males

10394

M60-64

10394

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17255

Males

10693

M60-64

10693

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18422

Males

11214

M60-64

11214

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

19010

Males

11547

M60-64

11547

Passing Analysis

Category:
Athletes Passed
2420
Passed By
1022
Net Change
+1398
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19016
5K → 10K526248+278#19016#18738
10K → 15K48545+440#18738#18298
15K → 20K23782+155#18298#18143
20K → Half2931-2#18143#18145
Half → 25K27831+247#18145#17898
25K → 30K24896+152#17898#17746
30K → 20M15325+128#17746#17618
20M → 21M7498-24#17618#17642
21M → 35K5844+14#17642#17628
35K → 23M13939+100#17628#17528
23M → 24M7448+26#17528#17502
24M → 40K5870-12#17502#17514
40K → 25.2M2651-25#17514#17539
25.2M → Finish35114-79#17539#17618
TOTALS24201022+1398
📊

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