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BOSTON MARATHON 2023

Hao Zhuang

Bib: 5715•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
Masters (Masters Men)
#0 / 9891
Top 15%
Division (M50-54)
#0 / 2052
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #3877
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
41:43
Rank: #4124 (-247)
5K → 10K
20:50 | 6:42/mi
15K· 9.32 mi
1:02:58
Rank: #4567 (-443)
10K → 15K
21:15 | 6:50/mi
20K· 12.43 mi
1:24:18
Rank: #4675 (-108)
15K → 20K
21:20 | 6:52/mi
Half· 13.11 mi
1:28:54
Rank: #4664 (+11)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:32
Rank: #4636 (+28)
Half → 25K
16:38 | 6:52/mi
30K· 18.64 mi
2:07:02
Rank: #4433 (+203)
25K → 30K
21:30 | 6:55/mi
20M
2:16:47
Rank: #4497 (-64)
30K → 20M
9:45 | 7:10/mi
21M
2:24:32
Rank: #4606 (-109)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:30:12
Rank: #4760 (-154)
21M → 35K
5:40 | 7:34/mi
23M
2:39:27
Rank: #4804 (-44)
35K → 23M
9:15 | 7:23/mi
24M
2:46:19
Rank: #4743 (+61)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:52:51
Rank: #4803 (-60)
24M → 40K
6:32 | 7:38/mi
25.2M
2:55:41
Rank: #4835 (-32)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:02:59
Rank: #4829 (+6)
25.2M → Finish
7:18 | 7:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:54
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:34:05
Pace7:11 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4720:536:4320:53
6:43
-
10K
6.21 mi10:44:3741:436:4320:50
6:42
-0:01
15K
9.32 mi11:05:521:02:586:4521:15
6:50
+0:08
20K
12.43 mi11:27:121:24:186:4721:20
6:52
+0:02
Half
13.11 mi11:31:481:28:546:474:36
6:45
-0:07
25K
15.53 mi11:48:261:45:326:4816:38
6:52
+0:07
30K
18.64 mi12:09:562:07:026:4921:30
6:55
+0:03
20M
20.00 mi12:19:412:16:476:509:45
7:10
+0:15
21M
21.00 mi12:27:262:24:326:537:45
7:45
+0:35
35K
21.75 mi12:33:062:30:126:545:40
7:34
-0:11
23M
23.00 mi12:42:212:39:276:569:15
7:23
-0:11
24M
24.00 mi12:49:132:46:196:566:52
6:52
-0:31
40K
24.85 mi12:55:452:52:516:576:32
7:38
+0:46
25.2M
25.20 mi12:58:352:55:416:582:50
8:13
+0:35
Finish
26.22 mi13:05:533:02:596:597:18
7:10
-1:03

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

6:42 /mi

Average Pace

6:59 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:13:54

73% of race

Time at Slower Pace

49:05

27% of race

Average Pace: 6:59 /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 mi10:23:4720:536:4320:53
6:43
#3877
10K
6.21 mi10:44:3741:436:4320:50
6:42
#4124
15K
9.32 mi11:05:521:02:586:4521:15
6:50
#4567
20K
12.43 mi11:27:121:24:186:4721:20
6:52
#4675
Half
13.11 mi11:31:481:28:546:474:36
6:45
#4664
25K
15.53 mi11:48:261:45:326:4816:38
6:52
#4636
30K
18.64 mi12:09:562:07:026:4921:30
6:55
#4433
20M
20.00 mi12:19:412:16:476:509:45
7:10
#4497
21M
21.00 mi12:27:262:24:326:537:45
7:45
#4606
35K
21.75 mi12:33:062:30:126:545:40
7:34
#4760
23M
23.00 mi12:42:212:39:276:569:15
7:23
#4804
24M
24.00 mi12:49:132:46:196:566:52
6:52
#4743
40K
24.85 mi12:55:452:52:516:576:32
7:38
#4803
25.2M
25.20 mi12:58:352:55:416:582:50
8:13
#4835
Finish
26.22 mi13:05:533:02:596:597:18
7:10
#4829
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi3877364336435473(Top 21%)5042(Top 33%)5042(Top 246%)
10K6.21 mi3.10 mi4124-2473874-2313874-2314387(Top 16%)4106(Top 27%)4106(Top 200%)
15K9.32 mi3.11 mi4567-4434266-3924266-3925473(Top 21%)5042(Top 33%)5042(Top 246%)
20K12.43 mi3.11 mi4675-1084362-964362-965062(Top 19%)4685(Top 31%)4685(Top 228%)
Half13.11 mi0.68 mi4664+114352+104352+104759(Top 18%)4421(Top 29%)4421(Top 215%)
25K15.53 mi2.42 mi4636+284323+294323+294665(Top 18%)4340(Top 29%)4340(Top 212%)
30K18.64 mi3.11 mi4433+2034141+1824141+1823799(Top 14%)3563(Top 23%)3563(Top 174%)
20M20.00 mi1.36 mi4497-644193-524193-524974(Top 19%)4520(Top 30%)4520(Top 220%)
21M21.00 mi1.00 mi4606-1094291-984291-985869(Top 22%)5096(Top 34%)5096(Top 248%)
35K21.75 mi0.75 mi4760-1544428-1374428-1379016(Top 34%)7059(Top 47%)7059(Top 344%)
23M23.00 mi1.25 mi4804-444460-324460-325771(Top 22%)5021(Top 33%)5021(Top 245%)
24M24.00 mi1.00 mi4743+614405+554405+554027(Top 15%)3675(Top 24%)3675(Top 179%)
40K24.85 mi0.85 mi4803-604443-384443-387519(Top 28%)5931(Top 39%)5931(Top 289%)
25.2M25.20 mi0.35 mi4835-324460-174460-177680(Top 29%)5956(Top 39%)5956(Top 290%)
Finish26.22 mi1.02 mi4829+64454+64454+66162(Top 23%)5035(Top 33%)5035(Top 245%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5473

Males

5042

M50-54

5042

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4387

Males

4106

M50-54

4106

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5473

Males

5042

M50-54

5042

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5062

Males

4685

M50-54

4685

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4759

Males

4421

M50-54

4421

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4665

Males

4340

M50-54

4340

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3799

Males

3563

M50-54

3563

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

4974

Males

4520

M50-54

4520

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5869

Males

5096

M50-54

5096

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9016

Males

7059

M50-54

7059

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5771

Males

5021

M50-54

5021

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4027

Males

3675

M50-54

3675

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7519

Males

5931

M50-54

5931

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7680

Males

5956

M50-54

5956

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6162

Males

5035

M50-54

5035

Passing Analysis

Category:
Athletes Passed
910
Passed By
1862
Net Change
-952
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3877
5K → 10K119366-247#3877#4124
10K → 15K41484-443#4124#4567
15K → 20K60168-108#4567#4675
20K → Half2716+11#4675#4664
Half → 25K11789+28#4664#4636
25K → 30K23532+203#4636#4433
30K → 20M44108-64#4433#4497
20M → 21M30139-109#4497#4606
21M → 35K16170-154#4606#4760
35K → 23M60104-44#4760#4804
23M → 24M7514+61#4804#4743
24M → 40K2787-60#4743#4803
40K → 25.2M1244-32#4803#4835
25.2M → Finish4741+6#4835#4829
TOTALS9101862-952
📊

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