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BOSTON MARATHON 2023

Wei Lu

Bib: 21815•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 (M60-64)
#0 / 1110
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:58
Rank: #16550
Start → 5K
25:58 | 8:21/mi
10K· 6.21 mi
51:53
Rank: #16848 (-298)
5K → 10K
25:55 | 8:21/mi
15K· 9.32 mi
1:16:58
Rank: #16227 (+621)
10K → 15K
25:05 | 8:04/mi
20K· 12.43 mi
1:43:05
Rank: #16241 (-14)
15K → 20K
26:07 | 8:24/mi
Half· 13.11 mi
1:48:43
Rank: #16234 (+7)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:09:18
Rank: #16200 (+34)
Half → 25K
20:35 | 8:29/mi
30K· 18.64 mi
2:36:35
Rank: #16156 (+44)
25K → 30K
27:17 | 8:47/mi
20M
2:48:56
Rank: #16191 (-35)
30K → 20M
12:21 | 9:05/mi
21M
2:58:35
Rank: #16219 (-28)
20M → 21M
9:39 | 9:39/mi
35K· 21.75 mi
3:05:15
Rank: #16263 (-44)
21M → 35K
6:40 | 8:55/mi
23M
3:16:28
Rank: #16204 (+59)
35K → 23M
11:13 | 8:58/mi
24M
3:25:13
Rank: #16183 (+21)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:32:56
Rank: #16178 (+5)
24M → 40K
7:43 | 9:02/mi
25.2M
3:36:09
Rank: #16153 (+25)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:44:44
Rank: #16109 (+44)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:43
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:56:01
Pace8:51 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2025:588:2125:58
8:21
-
10K
6.21 mi11:44:1551:538:2125:55
8:21
0:00
15K
9.32 mi12:09:201:16:588:1525:05
8:04
-0:17
20K
12.43 mi12:35:271:43:058:1826:07
8:24
+0:20
Half
13.11 mi12:41:051:48:438:185:38
8:15
-0:09
25K
15.53 mi13:01:402:09:188:1920:35
8:29
+0:14
30K
18.64 mi13:28:572:36:358:2427:17
8:47
+0:18
20M
20.00 mi13:41:182:48:568:2712:21
9:05
+0:18
21M
21.00 mi13:50:572:58:358:309:39
9:39
+0:34
35K
21.75 mi13:57:373:05:158:316:40
8:55
-0:44
23M
23.00 mi14:08:503:16:288:3311:13
8:58
+0:03
24M
24.00 mi14:17:353:25:138:338:45
8:45
-0:13
40K
24.85 mi14:25:183:32:568:347:43
9:02
+0:17
25.2M
25.20 mi14:28:313:36:098:353:13
9:20
+0:18
Finish
26.22 mi14:37:063:44:448:358:35
8:25
-0:55

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

8:04 /mi

Average Pace

8:35 /mi

Slowest Pace

9:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:55

77% of race

Time at Steady Pace

41:10

18% of race

Time at Slower Pace

9:39

4% of race

Average Pace: 8:34 /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 mi11:18:2025:588:2125:58
8:21
#16550
10K
6.21 mi11:44:1551:538:2125:55
8:21
#16848
15K
9.32 mi12:09:201:16:588:1525:05
8:04
#16227
20K
12.43 mi12:35:271:43:058:1826:07
8:24
#16241
Half
13.11 mi12:41:051:48:438:185:38
8:15
#16234
25K
15.53 mi13:01:402:09:188:1920:35
8:29
#16200
30K
18.64 mi13:28:572:36:358:2427:17
8:47
#16156
20M
20.00 mi13:41:182:48:568:2712:21
9:05
#16191
21M
21.00 mi13:50:572:58:358:309:39
9:39
#16219
35K
21.75 mi13:57:373:05:158:316:40
8:55
#16263
23M
23.00 mi14:08:503:16:288:3311:13
8:58
#16204
24M
24.00 mi14:17:353:25:138:338:45
8:45
#16183
40K
24.85 mi14:25:183:32:568:347:43
9:02
#16178
25.2M
25.20 mi14:28:313:36:098:353:13
9:20
#16153
Finish
26.22 mi14:37:063:44:448:358:35
8:25
#16109
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16550108941089414981(Top 56%)10296(Top 68%)10296(Top 928%)
10K6.21 mi3.10 mi16848-29811021-12711021-12717190(Top 65%)11177(Top 74%)11177(Top 1007%)
15K9.32 mi3.11 mi16227+62110781+24010781+24014981(Top 56%)10296(Top 68%)10296(Top 928%)
20K12.43 mi3.11 mi16241-1410775+610775+616271(Top 61%)10740(Top 71%)10740(Top 968%)
Half13.11 mi0.68 mi16234+710766+910766+916158(Top 61%)10743(Top 71%)10743(Top 968%)
25K15.53 mi2.42 mi16200+3410727+3910727+3916116(Top 61%)10585(Top 70%)10585(Top 954%)
30K18.64 mi3.11 mi16156+4410661+6610661+6615934(Top 60%)10452(Top 69%)10452(Top 942%)
20M20.00 mi1.36 mi16191-3510657+410657+416974(Top 64%)10806(Top 71%)10806(Top 974%)
21M21.00 mi1.00 mi16219-2810649+810649+816623(Top 62%)10623(Top 70%)10623(Top 957%)
35K21.75 mi0.75 mi16263-4410660-1110660-1117472(Top 66%)10910(Top 72%)10910(Top 983%)
23M23.00 mi1.25 mi16204+5910624+3610624+3615828(Top 59%)10160(Top 67%)10160(Top 915%)
24M24.00 mi1.00 mi16183+2110597+2710597+2715915(Top 60%)10133(Top 67%)10133(Top 913%)
40K24.85 mi0.85 mi16178+510579+1810579+1816249(Top 61%)10230(Top 67%)10230(Top 922%)
25.2M25.20 mi0.35 mi16153+2510566+1310566+1314285(Top 54%)9378(Top 62%)9378(Top 845%)
Finish26.22 mi1.02 mi16109+4410533+3310533+3314877(Top 56%)9672(Top 64%)9672(Top 871%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14981

Males

10296

M60-64

10296

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

17190

Males

11177

M60-64

11177

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14981

Males

10296

M60-64

10296

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16271

Males

10740

M60-64

10740

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

16158

Males

10743

M60-64

10743

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16116

Males

10585

M60-64

10585

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

15934

Males

10452

M60-64

10452

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

16974

Males

10806

M60-64

10806

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16623

Males

10623

M60-64

10623

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17472

Males

10910

M60-64

10910

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15828

Males

10160

M60-64

10160

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

15915

Males

10133

M60-64

10133

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16249

Males

10230

M60-64

10230

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14285

Males

9378

M60-64

9378

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14877

Males

9672

M60-64

9672

Passing Analysis

Category:
Athletes Passed
1979
Passed By
1538
Net Change
+441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16550
5K → 10K187485-298#16550#16848
10K → 15K66140+621#16848#16227
15K → 20K168182-14#16227#16241
20K → Half3831+7#16241#16234
Half → 25K163129+34#16234#16200
25K → 30K205161+44#16200#16156
30K → 20M71106-35#16156#16191
20M → 21M74102-28#16191#16219
21M → 35K3781-44#16219#16263
35K → 23M11152+59#16263#16204
23M → 24M7352+21#16204#16183
24M → 40K6358+5#16183#16178
40K → 25.2M3813+25#16178#16153
25.2M → Finish9046+44#16153#16109
TOTALS19791538+441
📊

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