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BOSTON MARATHON 2023

Baojia Yang

Bib: 30906•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:17
Rank: #23594
Start → 5K
31:17 | 10:04/mi
10K· 6.21 mi
1:01:39
Rank: #23433 (+161)
5K → 10K
30:22 | 9:46/mi
15K· 9.32 mi
1:30:04
Rank: #22759 (+674)
10K → 15K
28:25 | 9:09/mi
20K· 12.43 mi
1:59:04
Rank: #22334 (+425)
15K → 20K
29:00 | 9:20/mi
Half· 13.11 mi
2:05:07
Rank: #22229 (+105)
20K → Half
6:03 | 8:52/mi
25K· 15.53 mi
2:26:13
Rank: #21623 (+606)
Half → 25K
21:06 | 8:42/mi
30K· 18.64 mi
2:54:32
Rank: #21058 (+565)
25K → 30K
28:19 | 9:07/mi
20M
3:07:41
Rank: #20902 (+156)
30K → 20M
13:09 | 9:41/mi
21M
3:17:34
Rank: #20715 (+187)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
3:24:05
Rank: #20579 (+136)
21M → 35K
6:31 | 8:43/mi
23M
3:35:14
Rank: #20323 (+256)
35K → 23M
11:09 | 8:54/mi
24M
3:43:13
Rank: #20072 (+251)
23M → 24M
7:59 | 7:59/mi
40K· 24.85 mi
3:50:26
Rank: #19851 (+221)
24M → 40K
7:13 | 8:26/mi
25.2M
3:53:41
Rank: #19793 (+58)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
4:02:04
Rank: #19621 (+172)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:05:07
Pace9:33 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:56:57
Pace8:55 /mi
📊Negative Split: 6.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:1131:1710:0431:17
10:04
-
10K
6.21 mi12:22:331:01:399:5530:22
9:46
-0:18
15K
9.32 mi12:50:581:30:049:4028:25
9:09
-0:37
20K
12.43 mi13:19:581:59:049:3529:00
9:20
+0:11
Half
13.11 mi13:26:012:05:079:336:03
8:52
-0:28
25K
15.53 mi13:47:072:26:139:2521:06
8:42
-0:10
30K
18.64 mi14:15:262:54:329:2228:19
9:07
+0:25
20M
20.00 mi14:28:353:07:419:2313:09
9:41
+0:34
21M
21.00 mi14:38:283:17:349:249:53
9:53
+0:12
35K
21.75 mi14:44:593:24:059:236:31
8:43
-1:10
23M
23.00 mi14:56:083:35:149:2111:09
8:54
+0:11
24M
24.00 mi15:04:073:43:139:187:59
7:59
-0:55
40K
24.85 mi15:11:203:50:269:167:13
8:26
+0:27
25.2M
25.20 mi15:14:353:53:419:163:15
9:25
+0:59
Finish
26.22 mi15:22:584:02:049:148:23
8:14
-1:11

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

7:59 /mi

Average Pace

9:14 /mi

Slowest Pace

10:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:12

21% of race

Time at Steady Pace

1:42:56

43% of race

Time at Slower Pace

1:27:56

36% of race

Average Pace: 9:14 /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 mi11:52:1131:1710:0431:17
10:04
#23594
10K
6.21 mi12:22:331:01:399:5530:22
9:46
#23433
15K
9.32 mi12:50:581:30:049:4028:25
9:09
#22759
20K
12.43 mi13:19:581:59:049:3529:00
9:20
#22334
Half
13.11 mi13:26:012:05:079:336:03
8:52
#22229
25K
15.53 mi13:47:072:26:139:2521:06
8:42
#21623
30K
18.64 mi14:15:262:54:329:2228:19
9:07
#21058
20M
20.00 mi14:28:353:07:419:2313:09
9:41
#20902
21M
21.00 mi14:38:283:17:349:249:53
9:53
#20715
35K
21.75 mi14:44:593:24:059:236:31
8:43
#20579
23M
23.00 mi14:56:083:35:149:2111:09
8:54
#20323
24M
24.00 mi15:04:073:43:139:187:59
7:59
#20072
40K
24.85 mi15:11:203:50:269:167:13
8:26
#19851
25.2M
25.20 mi15:14:353:53:419:163:15
9:25
#19793
Finish
26.22 mi15:22:584:02:049:148:23
8:14
#19621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23594138741387421122(Top 79%)12803(Top 84%)12803(Top 242%)
10K6.21 mi3.10 mi23433+16113821+5313821+5323220(Top 87%)13738(Top 91%)13738(Top 260%)
15K9.32 mi3.11 mi22759+67413524+29713524+29721122(Top 79%)12803(Top 84%)12803(Top 242%)
20K12.43 mi3.11 mi22334+42513314+21013314+21021051(Top 79%)12767(Top 84%)12767(Top 242%)
Half13.11 mi0.68 mi22229+10513255+5913255+5919814(Top 74%)12227(Top 81%)12227(Top 231%)
25K15.53 mi2.42 mi21623+60612991+26412991+26417390(Top 65%)11152(Top 73%)11152(Top 211%)
30K18.64 mi3.11 mi21058+56512720+27112720+27117765(Top 67%)11242(Top 74%)11242(Top 213%)
20M20.00 mi1.36 mi20902+15612642+7812642+7819487(Top 73%)11899(Top 78%)11899(Top 225%)
21M21.00 mi1.00 mi20715+18712552+9012552+9017577(Top 66%)11051(Top 73%)11051(Top 209%)
35K21.75 mi0.75 mi20579+13612478+7412478+7416462(Top 62%)10479(Top 69%)10479(Top 198%)
23M23.00 mi1.25 mi20323+25612351+12712351+12715560(Top 58%)10062(Top 66%)10062(Top 190%)
24M24.00 mi1.00 mi20072+25112233+11812233+11811119(Top 42%)7961(Top 52%)7961(Top 151%)
40K24.85 mi0.85 mi19851+22112136+9712136+9712975(Top 49%)8781(Top 58%)8781(Top 166%)
25.2M25.20 mi0.35 mi19793+5812106+3012106+3014818(Top 56%)9622(Top 63%)9622(Top 182%)
Finish26.22 mi1.02 mi19621+17212030+7612030+7613618(Top 51%)9077(Top 60%)9077(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

21122

Males

12803

M18-39

12803

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23220

Males

13738

M18-39

13738

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

21122

Males

12803

M18-39

12803

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

21051

Males

12767

M18-39

12767

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19814

Males

12227

M18-39

12227

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17390

Males

11152

M18-39

11152

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17765

Males

11242

M18-39

11242

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

19487

Males

11899

M18-39

11899

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17577

Males

11051

M18-39

11051

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16462

Males

10479

M18-39

10479

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15560

Males

10062

M18-39

10062

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11119

Males

7961

M18-39

7961

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12975

Males

8781

M18-39

8781

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14818

Males

9622

M18-39

9622

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13618

Males

9077

M18-39

9077

Passing Analysis

Category:
Athletes Passed
4153
Passed By
180
Net Change
+3973
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23594
5K → 10K308147+161#23594#23433
10K → 15K6784+674#23433#22759
15K → 20K4316+425#22759#22334
20K → Half1050+105#22334#22229
Half → 25K6060+606#22229#21623
25K → 30K5683+565#21623#21058
30K → 20M1648+156#21058#20902
20M → 21M1925+187#20902#20715
21M → 35K1371+136#20715#20579
35K → 23M2560+256#20579#20323
23M → 24M2510+251#20323#20072
24M → 40K2210+221#20072#19851
40K → 25.2M613+58#19851#19793
25.2M → Finish1753+172#19793#19621
TOTALS4153180+3973
📊

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