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BOSTON MARATHON 2023

Liang Wu

Bib: 8077•M

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0:00
0:00
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 38%
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
21:37
Rank: #5982
Start → 5K
21:37 | 6:57/mi
10K· 6.21 mi
42:53
Rank: #5831 (+151)
5K → 10K
21:16 | 6:51/mi
15K· 9.32 mi
1:04:01
Rank: #5617 (+214)
10K → 15K
21:08 | 6:48/mi
20K· 12.43 mi
1:25:25
Rank: #5513 (+104)
15K → 20K
21:24 | 6:53/mi
Half· 13.11 mi
1:30:03
Rank: #5509 (+4)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:51
Rank: #5435 (+74)
Half → 25K
16:48 | 6:56/mi
30K· 18.64 mi
2:08:56
Rank: #5299 (+136)
25K → 30K
22:05 | 7:06/mi
20M
2:18:58
Rank: #5341 (-42)
30K → 20M
10:02 | 7:23/mi
21M
2:27:01
Rank: #5424 (-83)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:32:31
Rank: #5466 (-42)
21M → 35K
5:30 | 7:21/mi
23M
2:42:17
Rank: #5552 (-86)
35K → 23M
9:46 | 7:48/mi
24M
2:50:04
Rank: #5645 (-93)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
2:57:16
Rank: #5824 (-179)
24M → 40K
7:12 | 8:25/mi
25.2M
3:00:57
Rank: #6031 (-207)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
3:09:57
Rank: #6419 (-388)
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:03
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:39:54
Pace7:37 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0121:376:5721:37
6:57
-
10K
6.21 mi11:08:1742:536:5421:16
6:51
-0:06
15K
9.32 mi11:29:251:04:016:5221:08
6:48
-0:03
20K
12.43 mi11:50:491:25:256:5221:24
6:53
+0:05
Half
13.11 mi11:55:271:30:036:524:38
6:47
-0:06
25K
15.53 mi12:12:151:46:516:5316:48
6:56
+0:09
30K
18.64 mi12:34:202:08:566:5522:05
7:06
+0:10
20M
20.00 mi12:44:222:18:586:5710:02
7:23
+0:17
21M
21.00 mi12:52:252:27:017:008:03
8:03
+0:40
35K
21.75 mi12:57:552:32:317:015:30
7:21
-0:42
23M
23.00 mi13:07:412:42:177:039:46
7:48
+0:27
24M
24.00 mi13:15:282:50:047:057:47
7:47
-0:01
40K
24.85 mi13:22:402:57:167:087:12
8:25
+0:38
25.2M
25.20 mi13:26:213:00:577:113:41
10:41
+2:16
Finish
26.22 mi13:35:213:09:577:159:00
8:50
-1:51

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

6:47 /mi

Average Pace

7:15 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:46

14% of race

Time at Steady Pace

2:16:15

72% of race

Time at Slower Pace

27:56

15% of race

Average Pace: 7:15 /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 mi10:47:0121:376:5721:37
6:57
#5982
10K
6.21 mi11:08:1742:536:5421:16
6:51
#5831
15K
9.32 mi11:29:251:04:016:5221:08
6:48
#5617
20K
12.43 mi11:50:491:25:256:5221:24
6:53
#5513
Half
13.11 mi11:55:271:30:036:524:38
6:47
#5509
25K
15.53 mi12:12:151:46:516:5316:48
6:56
#5435
30K
18.64 mi12:34:202:08:566:5522:05
7:06
#5299
20M
20.00 mi12:44:222:18:586:5710:02
7:23
#5341
21M
21.00 mi12:52:252:27:017:008:03
8:03
#5424
35K
21.75 mi12:57:552:32:317:015:30
7:21
#5466
23M
23.00 mi13:07:412:42:177:039:46
7:48
#5552
24M
24.00 mi13:15:282:50:047:057:47
7:47
#5645
40K
24.85 mi13:22:402:57:167:087:12
8:25
#5824
25.2M
25.20 mi13:26:213:00:577:113:41
10:41
#6031
Finish
26.22 mi13:35:213:09:577:159:00
8:50
#6419
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5982547454745161(Top 19%)4778(Top 31%)4778(Top 90%)
10K6.21 mi3.10 mi5831+1515348+1265348+1265705(Top 21%)5226(Top 34%)5226(Top 99%)
15K9.32 mi3.11 mi5617+2145170+1785170+1785161(Top 19%)4778(Top 31%)4778(Top 90%)
20K12.43 mi3.11 mi5513+1045085+855085+855259(Top 20%)4860(Top 32%)4860(Top 92%)
Half13.11 mi0.68 mi5509+4508550855238(Top 20%)4848(Top 32%)4848(Top 92%)
25K15.53 mi2.42 mi5435+745019+665019+665152(Top 19%)4755(Top 31%)4755(Top 90%)
30K18.64 mi3.11 mi5299+1364896+1234896+1234984(Top 19%)4583(Top 30%)4583(Top 87%)
20M20.00 mi1.36 mi5341-424926-304926-306092(Top 23%)5365(Top 35%)5365(Top 102%)
21M21.00 mi1.00 mi5424-834987-614987-617634(Top 29%)6260(Top 41%)6260(Top 118%)
35K21.75 mi0.75 mi5466-425015-285015-287434(Top 28%)6138(Top 40%)6138(Top 116%)
23M23.00 mi1.25 mi5552-865082-675082-678385(Top 31%)6627(Top 44%)6627(Top 125%)
24M24.00 mi1.00 mi5645-935141-595141-599614(Top 36%)7193(Top 47%)7193(Top 136%)
40K24.85 mi0.85 mi5824-1795265-1245265-12412783(Top 48%)8658(Top 57%)8658(Top 164%)
25.2M25.20 mi0.35 mi6031-2075419-1545419-15419592(Top 74%)11716(Top 77%)11716(Top 222%)
Finish26.22 mi1.02 mi6419-3885695-2765695-27617167(Top 64%)10669(Top 70%)10669(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5161

Males

4778

M18-39

4778

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5705

Males

5226

M18-39

5226

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5161

Males

4778

M18-39

4778

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5259

Males

4860

M18-39

4860

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5238

Males

4848

M18-39

4848

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5152

Males

4755

M18-39

4755

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

4984

Males

4583

M18-39

4583

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6092

Males

5365

M18-39

5365

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7634

Males

6260

M18-39

6260

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7434

Males

6138

M18-39

6138

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8385

Males

6627

M18-39

6627

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9614

Males

7193

M18-39

7193

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12783

Males

8658

M18-39

8658

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19592

Males

11716

M18-39

11716

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17167

Males

10669

M18-39

10669

Passing Analysis

Category:
Athletes Passed
1212
Passed By
1649
Net Change
-437
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5982
5K → 10K280129+151#5982#5831
10K → 15K24935+214#5831#5617
15K → 20K15753+104#5617#5513
20K → Half2218+4#5513#5509
Half → 25K12046+74#5509#5435
25K → 30K19660+136#5435#5299
30K → 20M5193-42#5299#5341
20M → 21M33116-83#5341#5424
21M → 35K2062-42#5424#5466
35K → 23M45131-86#5466#5552
23M → 24M23116-93#5552#5645
24M → 40K11190-179#5645#5824
40K → 25.2M1208-207#5824#6031
25.2M → Finish4392-388#6031#6419
TOTALS12121649-437
📊

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