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BOSTON MARATHON 2023

Weichieh Lin

Bib: 31114•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
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
10:25/mi
32:23
↑ 97↓ 3451.5%
10K· 6.21 mi
10:37/mi
1:05:22
↑ 79↓ 1380.4%
15K· 9.32 mi
10:49/mi
1:38:59
↑ 67↓ 78
20K· 12.43 mi
11:21/mi
2:14:14
↑ 106↓ 860.1%
Half· 13.11 mi
10:16/mi
2:21:14
↑ 19↓ 370.5%
25K· 15.53 mi
11:25/mi
2:48:54
↑ 66↓ 880.2%
30K· 18.64 mi
11:50/mi
3:25:39
↑ 181↓ 1480.2%
20M
12:59/mi
3:43:17
↑ 64↓ 500.2%
21M
13:19/mi
3:56:36
↑ 106↓ 241.6%
35K· 21.75 mi
11:24/mi
4:05:08
↑ 17↓ 861.7%
23M
12:22/mi
4:20:37
↑ 23↓ 630.6%
24M
11:57/mi
4:32:34
↓ 821.3%
40K· 24.85 mi
12:23/mi
4:43:09
↓ 200.3%
25.2M
13:55/mi
4:47:57
↑ 13↓ 160.2%
Finish· 26.22 mi
10:29/mi
4:58:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:14
Pace10:46 /mi
2nd Half
Distance13.11 mi
Time2:37:24
Pace12:00 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:1132:2310:2532:23
10:25
-
10K
6.21 mi12:25:101:05:2210:3132:59
10:37
+0:12
15K
9.32 mi12:58:471:38:5910:3733:37
10:49
+0:12
20K
12.43 mi13:34:022:14:1410:4835:15
11:21
+0:32
Half
13.11 mi13:41:022:21:1410:467:00
10:16
-1:05
25K
15.53 mi14:08:422:48:5410:5227:40
11:25
+1:09
30K
18.64 mi14:45:273:25:3911:0236:45
11:50
+0:25
20M
20.00 mi15:03:053:43:1711:1017:38
12:59
+1:09
21M
21.00 mi15:16:243:56:3611:1613:19
13:19
+0:20
35K
21.75 mi15:24:564:05:0811:168:32
11:24
-1:55
23M
23.00 mi15:40:254:20:3711:2015:29
12:22
+0:58
24M
24.00 mi15:52:224:32:3411:2111:57
11:57
-0:25
40K
24.85 mi16:02:574:43:0911:2410:35
12:23
+0:26
25.2M
25.20 mi16:07:454:47:5711:264:48
13:55
+1:32
Finish
26.22 mi16:18:264:58:3811:2410:41
10:29
-3:26

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

10:16 /mi

Average Pace

11:24 /mi

Slowest Pace

13:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:40

39% of race

Time at Steady Pace

2:00:09

40% of race

Time at Slower Pace

1:01:49

21% of race

Average Pace: 11:23 /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 mi11:52:1132:2310:2532:23
10:25
#24522
10K
6.21 mi12:25:101:05:2210:3132:59
10:37
#24746
15K
9.32 mi12:58:471:38:5910:3733:37
10:49
#24841
20K
12.43 mi13:34:022:14:1410:4835:15
11:21
#24921
Half
13.11 mi13:41:022:21:1410:467:00
10:16
#24879
25K
15.53 mi14:08:422:48:5410:5227:40
11:25
#24811
30K
18.64 mi14:45:273:25:3911:0236:45
11:50
#24728
20M
20.00 mi15:03:053:43:1711:1017:38
12:59
#24794
21M
21.00 mi15:16:243:56:3611:1613:19
13:19
#24782
35K
21.75 mi15:24:564:05:0811:168:32
11:24
#24761
23M
23.00 mi15:40:254:20:3711:2015:29
12:22
#24758
24M
24.00 mi15:52:224:32:3411:2111:57
11:57
#24753
40K
24.85 mi16:02:574:43:0911:2410:35
12:23
#24756
25.2M
25.20 mi16:07:454:47:5711:264:48
13:55
#24773
Finish
26.22 mi16:18:264:58:3811:2410:41
10:29
#24742
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi24522143311433124957(Top 94%)14499(Top 96%)14499(Top 647%)
10K6.21 mi3.10 mi24746-22414431-10014431-10024882(Top 93%)14485(Top 95%)14485(Top 646%)
15K9.32 mi3.11 mi24841-9514461-3014461-3024957(Top 94%)14499(Top 96%)14499(Top 647%)
20K12.43 mi3.11 mi24921-8014487-2614487-2625050(Top 94%)14518(Top 96%)14518(Top 648%)
Half13.11 mi0.68 mi24879+4214467+2014467+2023777(Top 89%)13971(Top 92%)13971(Top 623%)
25K15.53 mi2.42 mi24811+6814428+3914428+3924550(Top 92%)14275(Top 94%)14275(Top 637%)
30K18.64 mi3.11 mi24728+8314373+5514373+5524306(Top 91%)14112(Top 93%)14112(Top 630%)
20M20.00 mi1.36 mi24794-6614390-1714390-1725145(Top 94%)14452(Top 95%)14452(Top 645%)
21M21.00 mi1.00 mi24782+1214383+714383+724411(Top 92%)14092(Top 93%)14092(Top 629%)
35K21.75 mi0.75 mi24761+2114368+1514368+1523974(Top 90%)13837(Top 91%)13837(Top 617%)
23M23.00 mi1.25 mi24758+314354+1414354+1424450(Top 92%)14065(Top 93%)14065(Top 628%)
24M24.00 mi1.00 mi24753+514345+914345+924452(Top 92%)14025(Top 92%)14025(Top 626%)
40K24.85 mi0.85 mi24756-314342+314342+324312(Top 91%)13949(Top 92%)13949(Top 622%)
25.2M25.20 mi0.35 mi24773-1714345-314345-324942(Top 94%)14253(Top 94%)14253(Top 636%)
Finish26.22 mi1.02 mi24742+3114324+2114324+2122971(Top 86%)13317(Top 88%)13317(Top 594%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

24957

Males

14499

M40-44

14499

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24882

Males

14485

M40-44

14485

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

24957

Males

14499

M40-44

14499

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

25050

Males

14518

M40-44

14518

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23777

Males

13971

M40-44

13971

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24550

Males

14275

M40-44

14275

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

24306

Males

14112

M40-44

14112

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

25145

Males

14452

M40-44

14452

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24411

Males

14092

M40-44

14092

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23974

Males

13837

M40-44

13837

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24450

Males

14065

M40-44

14065

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24452

Males

14025

M40-44

14025

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24312

Males

13949

M40-44

13949

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

24942

Males

14253

M40-44

14253

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22971

Males

13317

M40-44

13317

Passing Analysis

Category:
Athletes Passed
772
Passed By
992
Net Change
-220
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24522
5K → 10K99323-224#24522#24746
10K → 15K73168-95#24746#24841
15K → 20K74154-80#24841#24921
20K → Half442+42#24921#24879
Half → 25K10436+68#24879#24811
25K → 30K13653+83#24811#24728
30K → 20M2995-66#24728#24794
20M → 21M3826+12#24794#24782
21M → 35K309+21#24782#24761
35K → 23M4037+3#24761#24758
23M → 24M2520+5#24758#24753
24M → 40K2932-3#24753#24756
40K → 25.2M724-17#24756#24773
25.2M → Finish4413+31#24773#24742
TOTALS772992-220
📊

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