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BOSTON MARATHON 2023

Jun Wu

Bib: 11459•M

IL

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
24:41
Rank: #13611
Start → 5K
24:41 | 7:57/mi
10K· 6.21 mi
48:54
Rank: #13344 (+267)
5K → 10K
24:13 | 7:48/mi
15K· 9.32 mi
1:13:28
Rank: #13419 (-75)
10K → 15K
24:34 | 7:54/mi
20K· 12.43 mi
1:42:23
Rank: #15835 (-2416)
15K → 20K
28:55 | 9:18/mi
Half· 13.11 mi
1:47:45
Rank: #15704 (+131)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
2:07:57
Rank: #15593 (+111)
Half → 25K
20:12 | 8:20/mi
30K· 18.64 mi
2:35:36
Rank: #15795 (-202)
25K → 30K
27:39 | 8:54/mi
20M
2:48:00
Rank: #15909 (-114)
30K → 20M
12:24 | 9:07/mi
21M
2:58:15
Rank: #16103 (-194)
20M → 21M
10:15 | 10:15/mi
35K· 21.75 mi
3:04:51
Rank: #16136 (-33)
21M → 35K
6:36 | 8:49/mi
23M
3:16:53
Rank: #16334 (-198)
35K → 23M
12:02 | 9:37/mi
24M
3:26:07
Rank: #16446 (-112)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
3:34:21
Rank: #16546 (-100)
24M → 40K
8:14 | 9:38/mi
25.2M
3:38:09
Rank: #16641 (-95)
40K → 25.2M
3:48 | 11:01/mi
Finish· 26.22 mi
3:47:18
Rank: #16697 (-56)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:45
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:59:33
Pace9:07 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:0224:417:5724:41
7:57
-
10K
6.21 mi12:05:1548:547:5224:13
7:48
-0:09
15K
9.32 mi12:29:491:13:287:5324:34
7:54
+0:06
20K
12.43 mi12:58:441:42:238:1428:55
9:18
+1:24
Half
13.11 mi13:04:061:47:458:135:22
7:52
-1:26
25K
15.53 mi13:24:182:07:578:1420:12
8:20
+0:28
30K
18.64 mi13:51:572:35:368:2127:39
8:54
+0:34
20M
20.00 mi14:04:212:48:008:2412:24
9:07
+0:13
21M
21.00 mi14:14:362:58:158:2910:15
10:15
+1:08
35K
21.75 mi14:21:123:04:518:306:36
8:49
-1:26
23M
23.00 mi14:33:143:16:538:3412:02
9:37
+0:48
24M
24.00 mi14:42:283:26:078:359:14
9:14
-0:23
40K
24.85 mi14:50:423:34:218:378:14
9:38
+0:24
25.2M
25.20 mi14:54:303:38:098:393:48
11:01
+1:23
Finish
26.22 mi15:03:393:47:188:419:09
8:59
-2:02

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

7:48 /mi

Average Pace

8:41 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:02

44% of race

Time at Steady Pace

1:33:57

41% of race

Time at Slower Pace

34:19

15% of race

Average Pace: 8:40 /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 mi11:41:0224:417:5724:41
7:57
#13611
10K
6.21 mi12:05:1548:547:5224:13
7:48
#13344
15K
9.32 mi12:29:491:13:287:5324:34
7:54
#13419
20K
12.43 mi12:58:441:42:238:1428:55
9:18
#15835
Half
13.11 mi13:04:061:47:458:135:22
7:52
#15704
25K
15.53 mi13:24:182:07:578:1420:12
8:20
#15593
30K
18.64 mi13:51:572:35:368:2127:39
8:54
#15795
20M
20.00 mi14:04:212:48:008:2412:24
9:07
#15909
21M
21.00 mi14:14:362:58:158:2910:15
10:15
#16103
35K
21.75 mi14:21:123:04:518:306:36
8:49
#16136
23M
23.00 mi14:33:143:16:538:3412:02
9:37
#16334
24M
24.00 mi14:42:283:26:078:359:14
9:14
#16446
40K
24.85 mi14:50:423:34:218:378:14
9:38
#16546
25.2M
25.20 mi14:54:303:38:098:393:48
11:01
#16641
Finish
26.22 mi15:03:393:47:188:419:09
8:59
#16697
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi136119806980613607(Top 51%)9752(Top 64%)9752(Top 475%)
10K6.21 mi3.10 mi13344+2679675+1319675+13113060(Top 49%)9580(Top 63%)9580(Top 467%)
15K9.32 mi3.11 mi13419-759702-279702-2713607(Top 51%)9752(Top 64%)9752(Top 475%)
20K12.43 mi3.11 mi15835-241610613-91110613-91120981(Top 79%)12736(Top 84%)12736(Top 621%)
Half13.11 mi0.68 mi15704+13110559+5410559+5413297(Top 50%)9627(Top 63%)9627(Top 469%)
25K15.53 mi2.42 mi15593+11110484+7510484+7515138(Top 57%)10191(Top 67%)10191(Top 497%)
30K18.64 mi3.11 mi15795-20210527-4310527-4316643(Top 63%)10762(Top 71%)10762(Top 524%)
20M20.00 mi1.36 mi15909-11410543-1610543-1617175(Top 65%)10883(Top 72%)10883(Top 530%)
21M21.00 mi1.00 mi16103-19410609-6610609-6618861(Top 71%)11576(Top 76%)11576(Top 564%)
35K21.75 mi0.75 mi16136-3310597+1210597+1217021(Top 64%)10713(Top 71%)10713(Top 522%)
23M23.00 mi1.25 mi16334-19810679-8210679-8218757(Top 70%)11462(Top 76%)11462(Top 559%)
24M24.00 mi1.00 mi16446-11210705-2610705-2618164(Top 68%)11151(Top 73%)11151(Top 543%)
40K24.85 mi0.85 mi16546-10010734-2910734-2918779(Top 71%)11381(Top 75%)11381(Top 555%)
25.2M25.20 mi0.35 mi16641-9510763-2910763-2920468(Top 77%)12135(Top 80%)12135(Top 591%)
Finish26.22 mi1.02 mi16697-5610779-1610779-1617851(Top 67%)10993(Top 72%)10993(Top 536%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13607

Males

9752

M50-54

9752

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13060

Males

9580

M50-54

9580

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13607

Males

9752

M50-54

9752

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

20981

Males

12736

M50-54

12736

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13297

Males

9627

M50-54

9627

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15138

Males

10191

M50-54

10191

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16643

Males

10762

M50-54

10762

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

17175

Males

10883

M50-54

10883

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18861

Males

11576

M50-54

11576

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

17021

Males

10713

M50-54

10713

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

18757

Males

11462

M50-54

11462

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

18164

Males

11151

M50-54

11151

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18779

Males

11381

M50-54

11381

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20468

Males

12135

M50-54

12135

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17851

Males

10993

M50-54

10993

Passing Analysis

Category:
Athletes Passed
1355
Passed By
4441
Net Change
-3086
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13611
5K → 10K451184+267#13611#13344
10K → 15K177252-75#13344#13419
15K → 20K102426-2416#13419#15835
20K → Half1343+131#15835#15704
Half → 25K18675+111#15704#15593
25K → 30K104306-202#15593#15795
30K → 20M59173-114#15795#15909
20M → 21M33227-194#15909#16103
21M → 35K4477-33#16103#16136
35K → 23M29227-198#16136#16334
23M → 24M36148-112#16334#16446
24M → 40K36136-100#16446#16546
40K → 25.2M11106-95#16546#16641
25.2M → Finish45101-56#16641#16697
TOTALS13554441-3086
📊

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