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BOSTON MARATHON 2023

Yuhui Zheng

Bib: 3328•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 33%
Masters (Masters Men)
#0 / 9891
Top 19%
Division (M45-49)
#0 / 2252
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:41
Rank: #6127
Start → 5K
21:41 | 6:59/mi
10K· 6.21 mi
43:23
Rank: #6391 (-264)
5K → 10K
21:42 | 6:59/mi
15K· 9.32 mi
1:05:15
Rank: #6513 (-122)
10K → 15K
21:52 | 7:02/mi
20K· 12.43 mi
1:26:45
Rank: #6229 (+284)
15K → 20K
21:30 | 6:55/mi
Half· 13.11 mi
1:31:20
Rank: #6149 (+80)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:48:05
Rank: #5957 (+192)
Half → 25K
16:45 | 6:55/mi
30K· 18.64 mi
2:10:07
Rank: #5687 (+270)
25K → 30K
22:02 | 7:06/mi
20M
2:19:55
Rank: #5619 (+68)
30K → 20M
9:48 | 7:13/mi
21M
2:27:28
Rank: #5553 (+66)
20M → 21M
7:33 | 7:33/mi
35K· 21.75 mi
2:32:35
Rank: #5480 (+73)
21M → 35K
5:07 | 6:50/mi
23M
2:41:59
Rank: #5485 (-5)
35K → 23M
9:24 | 7:30/mi
24M
2:49:31
Rank: #5532 (-47)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
2:56:06
Rank: #5561 (-29)
24M → 40K
6:35 | 7:42/mi
25.2M
2:58:53
Rank: #5552 (+9)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:06:00
Rank: #5476 (+76)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:20
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:34:40
Pace7:13 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1521:416:5921:41
6:59
-
10K
6.21 mi10:44:5743:236:5921:42
6:59
0:00
15K
9.32 mi11:06:491:05:157:0021:52
7:02
+0:03
20K
12.43 mi11:28:191:26:456:5921:30
6:55
-0:07
Half
13.11 mi11:32:541:31:206:584:35
6:43
-0:12
25K
15.53 mi11:49:391:48:056:5716:45
6:55
+0:12
30K
18.64 mi12:11:412:10:076:5922:02
7:06
+0:11
20M
20.00 mi12:21:292:19:557:009:48
7:13
+0:07
21M
21.00 mi12:29:022:27:287:017:33
7:33
+0:20
35K
21.75 mi12:34:092:32:357:015:07
6:50
-0:43
23M
23.00 mi12:43:332:41:597:039:24
7:30
+0:40
24M
24.00 mi12:51:052:49:317:047:32
7:32
+0:02
40K
24.85 mi12:57:402:56:067:056:35
7:42
+0:10
25.2M
25.20 mi13:00:272:58:537:062:47
8:04
+0:22
Finish
26.22 mi13:07:343:06:007:067:07
6:59
-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

6:43 /mi

Average Pace

7:06 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:42

5% of race

Time at Steady Pace

2:22:27

77% of race

Time at Slower Pace

33:51

18% of race

Average Pace: 7:06 /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 mi10:23:1521:416:5921:41
6:59
#6127
10K
6.21 mi10:44:5743:236:5921:42
6:59
#6391
15K
9.32 mi11:06:491:05:157:0021:52
7:02
#6513
20K
12.43 mi11:28:191:26:456:5921:30
6:55
#6229
Half
13.11 mi11:32:541:31:206:584:35
6:43
#6149
25K
15.53 mi11:49:391:48:056:5716:45
6:55
#5957
30K
18.64 mi12:11:412:10:076:5922:02
7:06
#5687
20M
20.00 mi12:21:292:19:557:009:48
7:13
#5619
21M
21.00 mi12:29:022:27:287:017:33
7:33
#5553
35K
21.75 mi12:34:092:32:357:015:07
6:50
#5480
23M
23.00 mi12:43:332:41:597:039:24
7:30
#5485
24M
24.00 mi12:51:052:49:317:047:32
7:32
#5532
40K
24.85 mi12:57:402:56:067:056:35
7:42
#5561
25.2M
25.20 mi13:00:272:58:537:062:47
8:04
#5552
Finish
26.22 mi13:07:343:06:007:067:07
6:59
#5476
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6127559655966790(Top 26%)6080(Top 40%)6080(Top 270%)
10K6.21 mi3.10 mi6391-2645783-1875783-1876705(Top 25%)6017(Top 40%)6017(Top 267%)
15K9.32 mi3.11 mi6513-1225877-945877-946790(Top 26%)6080(Top 40%)6080(Top 270%)
20K12.43 mi3.11 mi6229+2845652+2255652+2255475(Top 21%)5046(Top 33%)5046(Top 224%)
Half13.11 mi0.68 mi6149+805593+595593+594582(Top 17%)4274(Top 28%)4274(Top 190%)
25K15.53 mi2.42 mi5957+1925447+1465447+1465017(Top 19%)4642(Top 31%)4642(Top 206%)
30K18.64 mi3.11 mi5687+2705219+2285219+2284891(Top 18%)4503(Top 30%)4503(Top 200%)
20M20.00 mi1.36 mi5619+685157+625157+625163(Top 19%)4670(Top 31%)4670(Top 207%)
21M21.00 mi1.00 mi5553+665096+615096+614827(Top 18%)4354(Top 29%)4354(Top 193%)
35K21.75 mi0.75 mi5480+735028+685028+684469(Top 17%)4087(Top 27%)4087(Top 181%)
23M23.00 mi1.25 mi5485-55023+55023+56432(Top 24%)5454(Top 36%)5454(Top 242%)
24M24.00 mi1.00 mi5532-475047-245047-247880(Top 30%)6228(Top 41%)6228(Top 277%)
40K24.85 mi0.85 mi5561-295065-185065-187922(Top 30%)6185(Top 41%)6185(Top 275%)
25.2M25.20 mi0.35 mi5552+95052+135052+136836(Top 26%)5468(Top 36%)5468(Top 243%)
Finish26.22 mi1.02 mi5476+764982+704982+705100(Top 19%)4335(Top 29%)4335(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

6790

Males

6080

M45-49

6080

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6705

Males

6017

M45-49

6017

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

6790

Males

6080

M45-49

6080

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5475

Males

5046

M45-49

5046

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4582

Males

4274

M45-49

4274

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5017

Males

4642

M45-49

4642

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4891

Males

4503

M45-49

4503

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5163

Males

4670

M45-49

4670

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4827

Males

4354

M45-49

4354

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4469

Males

4087

M45-49

4087

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6432

Males

5454

M45-49

5454

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7880

Males

6228

M45-49

6228

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7922

Males

6185

M45-49

6185

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6836

Males

5468

M45-49

5468

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5100

Males

4335

M45-49

4335

Passing Analysis

Category:
Athletes Passed
1521
Passed By
870
Net Change
+651
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6127
5K → 10K78342-264#6127#6391
10K → 15K72194-122#6391#6513
15K → 20K2917+284#6513#6229
20K → Half811+80#6229#6149
Half → 25K2008+192#6149#5957
25K → 30K29121+270#5957#5687
30K → 20M9527+68#5687#5619
20M → 21M8216+66#5619#5553
21M → 35K796+73#5553#5480
35K → 23M6570-5#5480#5485
23M → 24M3481-47#5485#5532
24M → 40K3261-29#5532#5561
40K → 25.2M2314+9#5561#5552
25.2M → Finish9822+76#5552#5476
TOTALS1521870+651
📊

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