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BOSTON MARATHON 2023

Justin Linder

Bib: 8147•M

IN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:03
Rank: #4415
Start → 5K
21:03 | 6:47/mi
10K· 6.21 mi
42:14
Rank: #4934 (-519)
5K → 10K
21:11 | 6:49/mi
15K· 9.32 mi
1:03:25
Rank: #5027 (-93)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:24:42
Rank: #4977 (+50)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:29:18
Rank: #4966 (+11)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:51
Rank: #4834 (+132)
Half → 25K
16:33 | 6:50/mi
30K· 18.64 mi
2:07:17
Rank: #4548 (+286)
25K → 30K
21:26 | 6:54/mi
20M
2:16:37
Rank: #4430 (+118)
30K → 20M
9:20 | 6:52/mi
21M
2:23:42
Rank: #4243 (+187)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:28:46
Rank: #4218 (+25)
21M → 35K
5:04 | 6:46/mi
23M
2:37:26
Rank: #4155 (+63)
35K → 23M
8:40 | 6:55/mi
24M
2:44:18
Rank: #4133 (+22)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:50:13
Rank: #4100 (+33)
24M → 40K
5:55 | 6:55/mi
25.2M
2:52:43
Rank: #4062 (+38)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:59:20
Rank: #3969 (+93)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:18
Pace6:49 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:02
Pace6:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3521:036:4721:03
6:47
-
10K
6.21 mi11:07:4642:146:4821:11
6:49
+0:02
15K
9.32 mi11:28:571:03:256:4821:11
6:49
0:00
20K
12.43 mi11:50:141:24:426:4921:17
6:51
+0:02
Half
13.11 mi11:54:501:29:186:494:36
6:45
-0:06
25K
15.53 mi12:11:231:45:516:4916:33
6:50
+0:05
30K
18.64 mi12:32:492:07:176:5021:26
6:54
+0:04
20M
20.00 mi12:42:092:16:376:509:20
6:52
-0:02
21M
21.00 mi12:49:142:23:426:517:05
7:05
+0:13
35K
21.75 mi12:54:182:28:466:505:04
6:46
-0:19
23M
23.00 mi13:02:582:37:266:518:40
6:55
+0:09
24M
24.00 mi13:09:502:44:186:516:52
6:52
-0:03
40K
24.85 mi13:15:452:50:136:515:55
6:55
+0:03
25.2M
25.20 mi13:18:152:52:436:512:30
7:15
+0:20
Finish
26.22 mi13:24:522:59:206:516:37
6:30
-0:45

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

6:30 /mi

Average Pace

6:51 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:50

99% of race

Time at Steady Pace

2:30

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:46:3521:036:4721:03
6:47
#4415
10K
6.21 mi11:07:4642:146:4821:11
6:49
#4934
15K
9.32 mi11:28:571:03:256:4821:11
6:49
#5027
20K
12.43 mi11:50:141:24:426:4921:17
6:51
#4977
Half
13.11 mi11:54:501:29:186:494:36
6:45
#4966
25K
15.53 mi12:11:231:45:516:4916:33
6:50
#4834
30K
18.64 mi12:32:492:07:176:5021:26
6:54
#4548
20M
20.00 mi12:42:092:16:376:509:20
6:52
#4430
21M
21.00 mi12:49:142:23:426:517:05
7:05
#4243
35K
21.75 mi12:54:182:28:466:505:04
6:46
#4218
23M
23.00 mi13:02:582:37:266:518:40
6:55
#4155
24M
24.00 mi13:09:502:44:186:516:52
6:52
#4133
40K
24.85 mi13:15:452:50:136:515:55
6:55
#4100
25.2M
25.20 mi13:18:152:52:436:512:30
7:15
#4062
Finish
26.22 mi13:24:522:59:206:516:37
6:30
#3969
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4415412341235278(Top 20%)4875(Top 32%)4875(Top 92%)
10K6.21 mi3.10 mi4934-5194578-4554578-4555449(Top 20%)5019(Top 33%)5019(Top 95%)
15K9.32 mi3.11 mi5027-934667-894667-895278(Top 20%)4875(Top 32%)4875(Top 92%)
20K12.43 mi3.11 mi4977+504629+384629+384899(Top 18%)4548(Top 30%)4548(Top 86%)
Half13.11 mi0.68 mi4966+114620+94620+94694(Top 18%)4356(Top 29%)4356(Top 82%)
25K15.53 mi2.42 mi4834+1324496+1244496+1244369(Top 16%)4073(Top 27%)4073(Top 77%)
30K18.64 mi3.11 mi4548+2864245+2514245+2513656(Top 14%)3435(Top 23%)3435(Top 65%)
20M20.00 mi1.36 mi4430+1184136+1094136+1093233(Top 12%)3030(Top 20%)3030(Top 57%)
21M21.00 mi1.00 mi4243+1873972+1643972+1642571(Top 10%)2429(Top 16%)2429(Top 46%)
35K21.75 mi0.75 mi4218+253947+253947+254003(Top 15%)3678(Top 24%)3678(Top 70%)
23M23.00 mi1.25 mi4155+633890+573890+573377(Top 13%)3130(Top 21%)3130(Top 59%)
24M24.00 mi1.00 mi4133+223870+203870+204003(Top 15%)3651(Top 24%)3651(Top 69%)
40K24.85 mi0.85 mi4100+333837+333837+333433(Top 13%)3134(Top 21%)3134(Top 59%)
25.2M25.20 mi0.35 mi4062+383801+363801+362749(Top 10%)2535(Top 17%)2535(Top 48%)
Finish26.22 mi1.02 mi3969+933714+873714+872458(Top 9%)2266(Top 15%)2266(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5278

Males

4875

M18-39

4875

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5449

Males

5019

M18-39

5019

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5278

Males

4875

M18-39

4875

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4899

Males

4548

M18-39

4548

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4694

Males

4356

M18-39

4356

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4369

Males

4073

M18-39

4073

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3656

Males

3435

M18-39

3435

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3233

Males

3030

M18-39

3030

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2571

Males

2429

M18-39

2429

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4003

Males

3678

M18-39

3678

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3377

Males

3130

M18-39

3130

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4003

Males

3651

M18-39

3651

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3433

Males

3134

M18-39

3134

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2749

Males

2535

M18-39

2535

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2458

Males

2266

M18-39

2266

Passing Analysis

Category:
Athletes Passed
1502
Passed By
1056
Net Change
+446
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4415
5K → 10K53572-519#4415#4934
10K → 15K79172-93#4934#5027
15K → 20K12777+50#5027#4977
20K → Half2514+11#4977#4966
Half → 25K16735+132#4966#4834
25K → 30K31529+286#4834#4548
30K → 20M12911+118#4548#4430
20M → 21M1914+187#4430#4243
21M → 35K4318+25#4243#4218
35K → 23M9027+63#4218#4155
23M → 24M7048+22#4155#4133
24M → 40K6229+33#4133#4100
40K → 25.2M435+38#4100#4062
25.2M → Finish10815+93#4062#3969
TOTALS15021056+446
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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