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BOSTON MARATHON 2023

Lin Zhuo

Bib: 25758•M

NJ

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:49/mi
24:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:15
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:12:20
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:36:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:41:55
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:01:23
↑ 66↓ 880.2%
30K· 18.64 mi
8:34/mi
2:27:59
↑ 181↓ 1480.2%
20M
8:52/mi
2:40:02
↑ 64↓ 500.2%
21M
9:09/mi
2:49:11
↑ 106↓ 241.6%
35K· 21.75 mi
9:29/mi
2:56:17
↑ 17↓ 861.7%
23M
13:07/mi
3:12:42
↑ 23↓ 630.6%
24M
13:17/mi
3:25:59
↓ 821.3%
40K· 24.85 mi
11:20/mi
3:35:40
↓ 200.3%
25.2M
11:42/mi
3:39:42
↑ 13↓ 160.2%
Finish· 26.22 mi
8:56/mi
3:48:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:55
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time2:06:53
Pace9:41 /mi
📊Positive Split: 24.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:0724:167:4924:16
7:49
-
10K
6.21 mi12:04:0648:157:4623:59
7:43
-0:06
15K
9.32 mi12:28:111:12:207:4624:05
7:45
+0:02
20K
12.43 mi12:52:251:36:347:4624:14
7:48
+0:03
Half
13.11 mi12:57:461:41:557:465:21
7:50
+0:02
25K
15.53 mi13:17:142:01:237:4919:28
8:02
+0:12
30K
18.64 mi13:43:502:27:597:5626:36
8:34
+0:32
20M
20.00 mi13:55:532:40:028:0012:03
8:52
+0:18
21M
21.00 mi14:05:022:49:118:039:09
9:09
+0:17
35K
21.75 mi14:12:082:56:178:067:06
9:29
+0:20
23M
23.00 mi14:28:333:12:428:2316:25
13:07
+3:38
24M
24.00 mi14:41:503:25:598:3513:17
13:17
+0:10
40K
24.85 mi14:51:313:35:408:419:41
11:20
-1:57
25.2M
25.20 mi14:55:333:39:428:434:02
11:42
+0:22
Finish
26.22 mi15:04:393:48:488:449:06
8:56
-2:46

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

7:43 /mi

Average Pace

8:44 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:55

45% of race

Time at Steady Pace

1:23:28

36% of race

Time at Slower Pace

43:25

19% of race

Average Pace: 8:44 /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 mi11:40:0724:167:4924:16
7:49
#12443
10K
6.21 mi12:04:0648:157:4623:59
7:43
#12405
15K
9.32 mi12:28:111:12:207:4624:05
7:45
#12314
20K
12.43 mi12:52:251:36:347:4624:14
7:48
#12124
Half
13.11 mi12:57:461:41:557:465:21
7:50
#12174
25K
15.53 mi13:17:142:01:237:4919:28
8:02
#12297
30K
18.64 mi13:43:502:27:597:5626:36
8:34
#12810
20M
20.00 mi13:55:532:40:028:0012:03
8:52
#13067
21M
21.00 mi14:05:022:49:118:039:09
9:09
#13104
35K
21.75 mi14:12:082:56:178:067:06
9:29
#13456
23M
23.00 mi14:28:333:12:428:2316:25
13:07
#15144
24M
24.00 mi14:41:503:25:598:3513:17
13:17
#16392
40K
24.85 mi14:51:313:35:408:419:41
11:20
#16851
25.2M
25.20 mi14:55:333:39:428:434:02
11:42
#17010
Finish
26.22 mi15:04:393:48:488:449:06
8:56
#17052
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi124439307930712306(Top 46%)9215(Top 61%)9215(Top 174%)
10K6.21 mi3.10 mi12405+389284+239284+2312427(Top 47%)9307(Top 61%)9307(Top 176%)
15K9.32 mi3.11 mi12314+919224+609224+6012306(Top 46%)9215(Top 61%)9215(Top 174%)
20K12.43 mi3.11 mi12124+1909117+1079117+10711749(Top 44%)8920(Top 59%)8920(Top 169%)
Half13.11 mi0.68 mi12174-509137-209137-2013089(Top 49%)9546(Top 63%)9546(Top 181%)
25K15.53 mi2.42 mi12297-1239169-329169-3212979(Top 49%)9350(Top 62%)9350(Top 177%)
30K18.64 mi3.11 mi12810-5139359-1909359-19014690(Top 55%)9934(Top 65%)9934(Top 188%)
20M20.00 mi1.36 mi13067-2579449-909449-9015813(Top 59%)10341(Top 68%)10341(Top 196%)
21M21.00 mi1.00 mi13104-379447+29447+214204(Top 53%)9600(Top 63%)9600(Top 182%)
35K21.75 mi0.75 mi13456-3529579-1329579-13219795(Top 74%)11955(Top 79%)11955(Top 226%)
23M23.00 mi1.25 mi15144-168810201-62210201-62225202(Top 95%)14433(Top 95%)14433(Top 273%)
24M24.00 mi1.00 mi16392-124810687-48610687-48625660(Top 96%)14630(Top 96%)14630(Top 277%)
40K24.85 mi0.85 mi16851-45910853-16610853-16622920(Top 86%)13275(Top 87%)13275(Top 251%)
25.2M25.20 mi0.35 mi17010-15910917-6410917-6421926(Top 82%)12803(Top 84%)12803(Top 242%)
Finish26.22 mi1.02 mi17052-4210928-1110928-1117603(Top 66%)10874(Top 72%)10874(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12306

Males

9215

M18-39

9215

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12427

Males

9307

M18-39

9307

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12306

Males

9215

M18-39

9215

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11749

Males

8920

M18-39

8920

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13089

Males

9546

M18-39

9546

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

12979

Males

9350

M18-39

9350

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14690

Males

9934

M18-39

9934

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15813

Males

10341

M18-39

10341

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14204

Males

9600

M18-39

9600

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19795

Males

11955

M18-39

11955

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

25202

Males

14433

M18-39

14433

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

25660

Males

14630

M18-39

14630

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22920

Males

13275

M18-39

13275

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21926

Males

12803

M18-39

12803

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

17603

Males

10874

M18-39

10874

Passing Analysis

Category:
Athletes Passed
1220
Passed By
5829
Net Change
-4609
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12443
5K → 10K342304+38#12443#12405
10K → 15K230139+91#12405#12314
15K → 20K27484+190#12314#12124
20K → Half1565-50#12124#12174
Half → 25K80203-123#12174#12297
25K → 30K73586-513#12297#12810
30K → 20M42299-257#12810#13067
20M → 21M85122-37#13067#13104
21M → 35K11363-352#13104#13456
35K → 23M11689-1688#13456#15144
23M → 24M21250-1248#15144#16392
24M → 40K7466-459#16392#16851
40K → 25.2M4163-159#16851#17010
25.2M → Finish5496-42#17010#17052
TOTALS12205829-4609
📊

Passing Visuals

Category:
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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