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BOSTON MARATHON 2023

Gang Shi

Bib: 29505•M

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
31:09
Rank: #23497
Start → 5K
31:09 | 10:02/mi
10K· 6.21 mi
1:01:32
Rank: #23392 (+105)
5K → 10K
30:23 | 9:47/mi
15K· 9.32 mi
1:31:24
Rank: #23161 (+231)
10K → 15K
29:52 | 9:37/mi
20K· 12.43 mi
2:01:43
Rank: #22924 (+237)
15K → 20K
30:19 | 9:45/mi
Half· 13.11 mi
2:08:11
Rank: #22863 (+61)
20K → Half
6:28 | 9:29/mi
25K· 15.53 mi
2:32:05
Rank: #22689 (+174)
Half → 25K
23:54 | 9:51/mi
30K· 18.64 mi
3:03:07
Rank: #22388 (+301)
25K → 30K
31:02 | 9:59/mi
20M
3:16:42
Rank: #22240 (+148)
30K → 20M
13:35 | 10:00/mi
21M
3:27:32
Rank: #22138 (+102)
20M → 21M
10:50 | 10:50/mi
35K· 21.75 mi
3:35:03
Rank: #22100 (+38)
21M → 35K
7:31 | 10:03/mi
23M
3:48:06
Rank: #22047 (+53)
35K → 23M
13:03 | 10:25/mi
24M
3:58:07
Rank: #21995 (+52)
23M → 24M
10:01 | 10:01/mi
40K· 24.85 mi
4:06:41
Rank: #21929 (+66)
24M → 40K
8:34 | 10:01/mi
25.2M
4:10:28
Rank: #21906 (+23)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
4:20:42
Rank: #21905 (+1)
25.2M → Finish
10:14 | 10:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:11
Pace9:47 /mi
2nd Half
Distance13.11 mi
Time2:12:31
Pace10:07 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3231:0910:0231:09
10:02
-
10K
6.21 mi12:19:551:01:329:5430:23
9:47
-0:15
15K
9.32 mi12:49:471:31:249:4829:52
9:37
-0:10
20K
12.43 mi13:20:062:01:439:4830:19
9:45
+0:08
Half
13.11 mi13:26:342:08:119:476:28
9:29
-0:16
25K
15.53 mi13:50:282:32:059:4723:54
9:51
+0:22
30K
18.64 mi14:21:303:03:079:4931:02
9:59
+0:08
20M
20.00 mi14:35:053:16:429:5013:35
10:00
+0:01
21M
21.00 mi14:45:553:27:329:5310:50
10:50
+0:50
35K
21.75 mi14:53:263:35:039:537:31
10:03
-0:47
23M
23.00 mi15:06:293:48:069:5513:03
10:25
+0:22
24M
24.00 mi15:16:303:58:079:5510:01
10:01
-0:24
40K
24.85 mi15:25:044:06:419:558:34
10:01
0:00
25.2M
25.20 mi15:28:514:10:289:563:47
10:58
+0:57
Finish
26.22 mi15:39:054:20:429:5710:14
10:03
-0:55

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

9:29 /mi

Average Pace

9:57 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:06:05

94% of race

Time at Steady Pace

14:37

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:57 /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 mi11:49:3231:0910:0231:09
10:02
#23497
10K
6.21 mi12:19:551:01:329:5430:23
9:47
#23392
15K
9.32 mi12:49:471:31:249:4829:52
9:37
#23161
20K
12.43 mi13:20:062:01:439:4830:19
9:45
#22924
Half
13.11 mi13:26:342:08:119:476:28
9:29
#22863
25K
15.53 mi13:50:282:32:059:4723:54
9:51
#22689
30K
18.64 mi14:21:303:03:079:4931:02
9:59
#22388
20M
20.00 mi14:35:053:16:429:5013:35
10:00
#22240
21M
21.00 mi14:45:553:27:329:5310:50
10:50
#22138
35K
21.75 mi14:53:263:35:039:537:31
10:03
#22100
23M
23.00 mi15:06:293:48:069:5513:03
10:25
#22047
24M
24.00 mi15:16:303:58:079:5510:01
10:01
#21995
40K
24.85 mi15:25:044:06:419:558:34
10:01
#21929
25.2M
25.20 mi15:28:514:10:289:563:47
10:58
#21906
Finish
26.22 mi15:39:054:20:429:5710:14
10:03
#21905
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi23497138301383022552(Top 85%)13433(Top 89%)13433(Top 1210%)
10K6.21 mi3.10 mi23392+10513804+2613804+2623227(Top 87%)13743(Top 91%)13743(Top 1238%)
15K9.32 mi3.11 mi23161+23113705+9913705+9922552(Top 85%)13433(Top 89%)13433(Top 1210%)
20K12.43 mi3.11 mi22924+23713596+10913596+10922301(Top 84%)13315(Top 88%)13315(Top 1200%)
Half13.11 mi0.68 mi22863+6113566+3013566+3022044(Top 83%)13214(Top 87%)13214(Top 1190%)
25K15.53 mi2.42 mi22689+17413467+9913467+9921868(Top 82%)13081(Top 86%)13081(Top 1178%)
30K18.64 mi3.11 mi22388+30113310+15713310+15721001(Top 79%)12637(Top 83%)12637(Top 1138%)
20M20.00 mi1.36 mi22240+14813242+6813242+6820468(Top 77%)12334(Top 81%)12334(Top 1111%)
21M21.00 mi1.00 mi22138+10213181+6113181+6120460(Top 77%)12266(Top 81%)12266(Top 1105%)
35K21.75 mi0.75 mi22100+3813158+2313158+2321400(Top 80%)12669(Top 83%)12669(Top 1141%)
23M23.00 mi1.25 mi22047+5313130+2813130+2821127(Top 79%)12508(Top 82%)12508(Top 1127%)
24M24.00 mi1.00 mi21995+5213097+3313097+3320821(Top 78%)12359(Top 81%)12359(Top 1113%)
40K24.85 mi0.85 mi21929+6613053+4413053+4420017(Top 75%)11931(Top 79%)11931(Top 1075%)
25.2M25.20 mi0.35 mi21906+2313034+1913034+1920385(Top 77%)12112(Top 80%)12112(Top 1091%)
Finish26.22 mi1.02 mi21905+113027+713027+721870(Top 82%)12798(Top 84%)12798(Top 1153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22552

Males

13433

M60-64

13433

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23227

Males

13743

M60-64

13743

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22552

Males

13433

M60-64

13433

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22301

Males

13315

M60-64

13315

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

22044

Males

13214

M60-64

13214

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21868

Males

13081

M60-64

13081

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

21001

Males

12637

M60-64

12637

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20468

Males

12334

M60-64

12334

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20460

Males

12266

M60-64

12266

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21400

Males

12669

M60-64

12669

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

21127

Males

12508

M60-64

12508

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20821

Males

12359

M60-64

12359

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20017

Males

11931

M60-64

11931

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20385

Males

12112

M60-64

12112

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21870

Males

12798

M60-64

12798

Passing Analysis

Category:
Athletes Passed
1987
Passed By
395
Net Change
+1592
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23497
5K → 10K266161+105#23497#23392
10K → 15K27645+231#23392#23161
15K → 20K27538+237#23161#22924
20K → Half643+61#22924#22863
Half → 25K19117+174#22863#22689
25K → 30K31413+301#22689#22388
30K → 20M1579+148#22388#22240
20M → 21M11816+102#22240#22138
21M → 35K457+38#22138#22100
35K → 23M7623+53#22100#22047
23M → 24M7018+52#22047#21995
24M → 40K726+66#21995#21929
40K → 25.2M307+23#21929#21906
25.2M → Finish3332+1#21906#21905
TOTALS1987395+1592
📊

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