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BOSTON MARATHON 2023

Tsu-Wei Lin

Bib: 5928•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Male)
#0 / 15176
Top 40%
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
21:38
Rank: #6025
Start → 5K
21:38 | 6:58/mi
10K· 6.21 mi
43:18
Rank: #6327 (-302)
5K → 10K
21:40 | 6:58/mi
15K· 9.32 mi
1:04:55
Rank: #6286 (+41)
10K → 15K
21:37 | 6:57/mi
20K· 12.43 mi
1:26:42
Rank: #6206 (+80)
15K → 20K
21:47 | 7:01/mi
Half· 13.11 mi
1:31:20
Rank: #6154 (+52)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:48:52
Rank: #6271 (-117)
Half → 25K
17:32 | 7:14/mi
30K· 18.64 mi
2:13:25
Rank: #6728 (-457)
25K → 30K
24:33 | 7:54/mi
20M
2:24:01
Rank: #6846 (-118)
30K → 20M
10:36 | 7:48/mi
21M
2:32:04
Rank: #6828 (+18)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:37:39
Rank: #6835 (-7)
21M → 35K
5:35 | 7:28/mi
23M
2:47:26
Rank: #6870 (-35)
35K → 23M
9:47 | 7:49/mi
24M
2:54:52
Rank: #6857 (+13)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
3:01:18
Rank: #6816 (+41)
24M → 40K
6:26 | 7:31/mi
25.2M
3:04:09
Rank: #6807 (+9)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:12:05
Rank: #6924 (-117)
25.2M → Finish
7:56 | 7:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:20
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:40:45
Pace7:41 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3121:386:5821:38
6:58
-
10K
6.21 mi10:46:1143:186:5821:40
6:58
0:00
15K
9.32 mi11:07:481:04:556:5821:37
6:57
-0:01
20K
12.43 mi11:29:351:26:426:5921:47
7:01
+0:04
Half
13.11 mi11:34:131:31:206:584:38
6:47
-0:14
25K
15.53 mi11:51:451:48:527:0017:32
7:14
+0:27
30K
18.64 mi12:16:182:13:257:0924:33
7:54
+0:40
20M
20.00 mi12:26:542:24:017:1210:36
7:48
-0:06
21M
21.00 mi12:34:572:32:047:148:03
8:03
+0:15
35K
21.75 mi12:40:322:37:397:155:35
7:28
-0:35
23M
23.00 mi12:50:192:47:267:179:47
7:49
+0:21
24M
24.00 mi12:57:452:54:527:177:26
7:26
-0:23
40K
24.85 mi13:04:113:01:187:186:26
7:31
+0:05
25.2M
25.20 mi13:07:023:04:097:182:51
8:16
+0:45
Finish
26.22 mi13:14:583:12:057:207:56
7:47
-0:29

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

7:20 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:52

57% of race

Time at Steady Pace

19:27

10% of race

Time at Slower Pace

1:03:46

33% of race

Average Pace: 7:20 /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 mi10:24:3121:386:5821:38
6:58
#6025
10K
6.21 mi10:46:1143:186:5821:40
6:58
#6327
15K
9.32 mi11:07:481:04:556:5821:37
6:57
#6286
20K
12.43 mi11:29:351:26:426:5921:47
7:01
#6206
Half
13.11 mi11:34:131:31:206:584:38
6:47
#6154
25K
15.53 mi11:51:451:48:527:0017:32
7:14
#6271
30K
18.64 mi12:16:182:13:257:0924:33
7:54
#6728
20M
20.00 mi12:26:542:24:017:1210:36
7:48
#6846
21M
21.00 mi12:34:572:32:047:148:03
8:03
#6828
35K
21.75 mi12:40:322:37:397:155:35
7:28
#6835
23M
23.00 mi12:50:192:47:267:179:47
7:49
#6870
24M
24.00 mi12:57:452:54:527:177:26
7:26
#6857
40K
24.85 mi13:04:113:01:187:186:26
7:31
#6816
25.2M
25.20 mi13:07:023:04:097:182:51
8:16
#6807
Finish
26.22 mi13:14:583:12:057:207:56
7:47
#6924
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6025550855086301(Top 24%)5696(Top 38%)5696(Top 108%)
10K6.21 mi3.10 mi6327-3025736-2285736-2286647(Top 25%)5969(Top 39%)5969(Top 113%)
15K9.32 mi3.11 mi6286+415700+365700+366301(Top 24%)5696(Top 38%)5696(Top 108%)
20K12.43 mi3.11 mi6206+805635+655635+656052(Top 23%)5513(Top 36%)5513(Top 104%)
Half13.11 mi0.68 mi6154+525598+375598+375249(Top 20%)4859(Top 32%)4859(Top 92%)
25K15.53 mi2.42 mi6271-1175685-875685-876853(Top 26%)6052(Top 40%)6052(Top 115%)
30K18.64 mi3.11 mi6728-4576012-3276012-32710134(Top 38%)7889(Top 52%)7889(Top 149%)
20M20.00 mi1.36 mi6846-1186085-736085-738822(Top 33%)7081(Top 47%)7081(Top 134%)
21M21.00 mi1.00 mi6828+186069+166069+167638(Top 29%)6264(Top 41%)6264(Top 119%)
35K21.75 mi0.75 mi6835-76066+36066+38193(Top 31%)6594(Top 43%)6594(Top 125%)
23M23.00 mi1.25 mi6870-356067-16067-18476(Top 32%)6677(Top 44%)6677(Top 126%)
24M24.00 mi1.00 mi6857+136035+326035+327245(Top 27%)5858(Top 39%)5858(Top 111%)
40K24.85 mi0.85 mi6816+415985+505985+506836(Top 26%)5534(Top 36%)5534(Top 105%)
25.2M25.20 mi0.35 mi6807+95974+115974+117978(Top 30%)6138(Top 40%)6138(Top 116%)
Finish26.22 mi1.02 mi6924-1176030-566030-5610523(Top 40%)7547(Top 50%)7547(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6301

Males

5696

M18-39

5696

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6647

Males

5969

M18-39

5969

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6301

Males

5696

M18-39

5696

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6052

Males

5513

M18-39

5513

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5249

Males

4859

M18-39

4859

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6853

Males

6052

M18-39

6052

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10134

Males

7889

M18-39

7889

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8822

Males

7081

M18-39

7081

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7638

Males

6264

M18-39

6264

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8193

Males

6594

M18-39

6594

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8476

Males

6677

M18-39

6677

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7245

Males

5858

M18-39

5858

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6836

Males

5534

M18-39

5534

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7978

Males

6138

M18-39

6138

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10523

Males

7547

M18-39

7547

Passing Analysis

Category:
Athletes Passed
861
Passed By
1760
Net Change
-899
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6025
5K → 10K77379-302#6025#6327
10K → 15K12988+41#6327#6286
15K → 20K13858+80#6286#6206
20K → Half586+52#6206#6154
Half → 25K49166-117#6154#6271
25K → 30K31488-457#6271#6728
30K → 20M30148-118#6728#6846
20M → 21M6648+18#6846#6828
21M → 35K3744-7#6828#6835
35K → 23M5590-35#6835#6870
23M → 24M6451+13#6870#6857
24M → 40K6827+41#6857#6816
40K → 25.2M3829+9#6816#6807
25.2M → Finish21138-117#6807#6924
TOTALS8611760-899
📊

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