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BOSTON MARATHON 2023

Yan Jian Huang

Bib: 14901•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:41
Rank: #18148
Start → 5K
26:41 | 8:35/mi
10K· 6.21 mi
52:06
Rank: #17098 (+1050)
5K → 10K
25:25 | 8:11/mi
15K· 9.32 mi
1:17:34
Rank: #16673 (+425)
10K → 15K
25:28 | 8:12/mi
20K· 12.43 mi
1:44:09
Rank: #16798 (-125)
15K → 20K
26:35 | 8:33/mi
Half· 13.11 mi
1:49:47
Rank: #16787 (+11)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:10:55
Rank: #16904 (-117)
Half → 25K
21:08 | 8:43/mi
30K· 18.64 mi
2:37:49
Rank: #16566 (+338)
25K → 30K
26:54 | 8:39/mi
20M
2:49:55
Rank: #16505 (+61)
30K → 20M
12:06 | 8:54/mi
21M
3:00:17
Rank: #16716 (-211)
20M → 21M
10:22 | 10:22/mi
35K· 21.75 mi
3:06:14
Rank: #16536 (+180)
21M → 35K
5:57 | 7:57/mi
23M
3:16:38
Rank: #16267 (+269)
35K → 23M
10:24 | 8:18/mi
24M
3:24:41
Rank: #16053 (+214)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:32:14
Rank: #16007 (+46)
24M → 40K
7:33 | 8:50/mi
25.2M
3:35:35
Rank: #16013 (-6)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:44:14
Rank: #15987 (+26)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:47
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:54:27
Pace8:44 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5926:418:3526:41
8:35
-
10K
6.21 mi11:43:2452:068:2325:25
8:11
-0:24
15K
9.32 mi12:08:521:17:348:1925:28
8:12
+0:01
20K
12.43 mi12:35:271:44:098:2326:35
8:33
+0:21
Half
13.11 mi12:41:051:49:478:225:38
8:15
-0:18
25K
15.53 mi13:02:132:10:558:2621:08
8:43
+0:28
30K
18.64 mi13:29:072:37:498:2826:54
8:39
-0:04
20M
20.00 mi13:41:132:49:558:3012:06
8:54
+0:15
21M
21.00 mi13:51:353:00:178:3510:22
10:22
+1:28
35K
21.75 mi13:57:323:06:148:345:57
7:57
-2:25
23M
23.00 mi14:07:563:16:388:3310:24
8:18
+0:21
24M
24.00 mi14:15:593:24:418:328:03
8:03
-0:15
40K
24.85 mi14:23:323:32:148:327:33
8:50
+0:47
25.2M
25.20 mi14:26:533:35:358:333:21
9:43
+0:53
Finish
26.22 mi14:35:323:44:148:348:39
8:29
-1:14

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

7:57 /mi

Average Pace

8:34 /mi

Slowest Pace

10:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:53

29% of race

Time at Steady Pace

2:13:32

60% of race

Time at Slower Pace

25:49

12% of race

Average Pace: 8:33 /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 mi11:17:5926:418:3526:41
8:35
#18148
10K
6.21 mi11:43:2452:068:2325:25
8:11
#17098
15K
9.32 mi12:08:521:17:348:1925:28
8:12
#16673
20K
12.43 mi12:35:271:44:098:2326:35
8:33
#16798
Half
13.11 mi12:41:051:49:478:225:38
8:15
#16787
25K
15.53 mi13:02:132:10:558:2621:08
8:43
#16904
30K
18.64 mi13:29:072:37:498:2826:54
8:39
#16566
20M
20.00 mi13:41:132:49:558:3012:06
8:54
#16505
21M
21.00 mi13:51:353:00:178:3510:22
10:22
#16716
35K
21.75 mi13:57:323:06:148:345:57
7:57
#16536
23M
23.00 mi14:07:563:16:388:3310:24
8:18
#16267
24M
24.00 mi14:15:593:24:418:328:03
8:03
#16053
40K
24.85 mi14:23:323:32:148:327:33
8:50
#16007
25.2M
25.20 mi14:26:533:35:358:333:21
9:43
#16013
Finish
26.22 mi14:35:323:44:148:348:39
8:29
#15987
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi18148114761147615842(Top 60%)10631(Top 70%)10631(Top 518%)
10K6.21 mi3.10 mi17098+105011094+38211094+38216108(Top 61%)10748(Top 71%)10748(Top 524%)
15K9.32 mi3.11 mi16673+42510940+15410940+15415842(Top 60%)10631(Top 70%)10631(Top 518%)
20K12.43 mi3.11 mi16798-12510974-3410974-3417202(Top 65%)11131(Top 73%)11131(Top 542%)
Half13.11 mi0.68 mi16787+1110975-110975-116155(Top 61%)10740(Top 71%)10740(Top 523%)
25K15.53 mi2.42 mi16904-11710987-1210987-1217449(Top 66%)11170(Top 74%)11170(Top 544%)
30K18.64 mi3.11 mi16566+33810822+16510822+16515262(Top 57%)10153(Top 67%)10153(Top 495%)
20M20.00 mi1.36 mi16505+6110782+4010782+4016014(Top 60%)10412(Top 69%)10412(Top 507%)
21M21.00 mi1.00 mi16716-21110870-8810870-8819174(Top 72%)11702(Top 77%)11702(Top 570%)
35K21.75 mi0.75 mi16536+18010778+9210778+9211774(Top 44%)8474(Top 56%)8474(Top 413%)
23M23.00 mi1.25 mi16267+26910652+12610652+12611925(Top 45%)8443(Top 56%)8443(Top 411%)
24M24.00 mi1.00 mi16053+21410534+11810534+11811581(Top 44%)8204(Top 54%)8204(Top 400%)
40K24.85 mi0.85 mi16007+4610507+2710507+2715221(Top 57%)9787(Top 64%)9787(Top 477%)
25.2M25.20 mi0.35 mi16013-610504+310504+316123(Top 61%)10167(Top 67%)10167(Top 495%)
Finish26.22 mi1.02 mi15987+2610488+1610488+1615331(Top 58%)9872(Top 65%)9872(Top 481%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

15842

Males

10631

M50-54

10631

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16108

Males

10748

M50-54

10748

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

15842

Males

10631

M50-54

10631

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17202

Males

11131

M50-54

11131

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

16155

Males

10740

M50-54

10740

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17449

Males

11170

M50-54

11170

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15262

Males

10153

M50-54

10153

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16014

Males

10412

M50-54

10412

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19174

Males

11702

M50-54

11702

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11774

Males

8474

M50-54

8474

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11925

Males

8443

M50-54

8443

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11581

Males

8204

M50-54

8204

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15221

Males

9787

M50-54

9787

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16123

Males

10167

M50-54

10167

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15331

Males

9872

M50-54

9872

Passing Analysis

Category:
Athletes Passed
3220
Passed By
1059
Net Change
+2161
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18148
5K → 10K112373+1050#18148#17098
10K → 15K49267+425#17098#16673
15K → 20K133258-125#16673#16798
20K → Half2918+11#16798#16787
Half → 25K84201-117#16787#16904
25K → 30K36931+338#16904#16566
30K → 20M11352+61#16566#16505
20M → 21M27238-211#16505#16716
21M → 35K1811+180#16716#16536
35K → 23M2734+269#16536#16267
23M → 24M2173+214#16267#16053
24M → 40K7731+46#16053#16007
40K → 25.2M2834-6#16007#16013
25.2M → Finish7448+26#16013#15987
TOTALS32201059+2161
📊

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