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BOSTON MARATHON 2023

James Dyer

Bib: 6570•M

MA

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
21:01
Rank: #4302
Start → 5K
21:01 | 6:46/mi
10K· 6.21 mi
42:15
Rank: #4948 (-646)
5K → 10K
21:14 | 6:50/mi
15K· 9.32 mi
1:03:20
Rank: #4953 (-5)
10K → 15K
21:05 | 6:47/mi
20K· 12.43 mi
1:24:31
Rank: #4851 (+102)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:29:05
Rank: #4820 (+31)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:45:26
Rank: #4559 (+261)
Half → 25K
16:21 | 6:45/mi
30K· 18.64 mi
2:06:55
Rank: #4380 (+179)
25K → 30K
21:29 | 6:55/mi
20M
2:16:30
Rank: #4369 (+11)
30K → 20M
9:35 | 7:03/mi
21M
2:23:51
Rank: #4311 (+58)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:28:55
Rank: #4281 (+30)
21M → 35K
5:04 | 6:46/mi
23M
2:37:34
Rank: #4191 (+90)
35K → 23M
8:39 | 6:55/mi
24M
2:44:15
Rank: #4117 (+74)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:49:59
Rank: #4018 (+99)
24M → 40K
5:44 | 6:42/mi
25.2M
2:52:29
Rank: #3981 (+37)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:59:14
Rank: #3934 (+47)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:05
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:30:09
Pace6:53 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3021:016:4621:01
6:46
-
10K
6.21 mi10:45:4442:156:4821:14
6:50
+0:04
15K
9.32 mi11:06:491:03:206:4821:05
6:47
-0:03
20K
12.43 mi11:28:001:24:316:4821:11
6:49
+0:02
Half
13.11 mi11:32:341:29:056:484:34
6:42
-0:07
25K
15.53 mi11:48:551:45:266:4716:21
6:45
+0:03
30K
18.64 mi12:10:242:06:556:4921:29
6:55
+0:10
20M
20.00 mi12:19:592:16:306:499:35
7:03
+0:08
21M
21.00 mi12:27:202:23:516:517:21
7:21
+0:18
35K
21.75 mi12:32:242:28:556:515:04
6:46
-0:35
23M
23.00 mi12:41:032:37:346:518:39
6:55
+0:09
24M
24.00 mi12:47:442:44:156:516:41
6:41
-0:14
40K
24.85 mi12:53:282:49:596:505:44
6:42
+0:01
25.2M
25.20 mi12:55:582:52:296:512:30
7:15
+0:33
Finish
26.22 mi13:02:432:59:146:506:45
6:37
-0:38

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

6:37 /mi

Average Pace

6:50 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:53

96% of race

Time at Steady Pace

7:21

4% 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 mi10:24:3021:016:4621:01
6:46
#4302
10K
6.21 mi10:45:4442:156:4821:14
6:50
#4948
15K
9.32 mi11:06:491:03:206:4821:05
6:47
#4953
20K
12.43 mi11:28:001:24:316:4821:11
6:49
#4851
Half
13.11 mi11:32:341:29:056:484:34
6:42
#4820
25K
15.53 mi11:48:551:45:266:4716:21
6:45
#4559
30K
18.64 mi12:10:242:06:556:4921:29
6:55
#4380
20M
20.00 mi12:19:592:16:306:499:35
7:03
#4369
21M
21.00 mi12:27:202:23:516:517:21
7:21
#4311
35K
21.75 mi12:32:242:28:556:515:04
6:46
#4281
23M
23.00 mi12:41:032:37:346:518:39
6:55
#4191
24M
24.00 mi12:47:442:44:156:516:41
6:41
#4117
40K
24.85 mi12:53:282:49:596:505:44
6:42
#4018
25.2M
25.20 mi12:55:582:52:296:512:30
7:15
#3981
Finish
26.22 mi13:02:432:59:146:506:45
6:37
#3934
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4302402040204963(Top 19%)4607(Top 30%)4607(Top 87%)
10K6.21 mi3.10 mi4948-6464590-5704590-5705594(Top 21%)5136(Top 34%)5136(Top 97%)
15K9.32 mi3.11 mi4953-54600-104600-104963(Top 19%)4607(Top 30%)4607(Top 87%)
20K12.43 mi3.11 mi4851+1024517+834517+834591(Top 17%)4276(Top 28%)4276(Top 81%)
Half13.11 mi0.68 mi4820+314490+274490+274248(Top 16%)3972(Top 26%)3972(Top 75%)
25K15.53 mi2.42 mi4559+2614256+2344256+2343699(Top 14%)3484(Top 23%)3484(Top 66%)
30K18.64 mi3.11 mi4380+1794095+1614095+1613763(Top 14%)3529(Top 23%)3529(Top 67%)
20M20.00 mi1.36 mi4369+114079+164079+164323(Top 16%)3983(Top 26%)3983(Top 75%)
21M21.00 mi1.00 mi4311+584030+494030+493871(Top 15%)3579(Top 24%)3579(Top 68%)
35K21.75 mi0.75 mi4281+304004+264004+264001(Top 15%)3676(Top 24%)3676(Top 70%)
23M23.00 mi1.25 mi4191+903924+803924+803299(Top 12%)3068(Top 20%)3068(Top 58%)
24M24.00 mi1.00 mi4117+743854+703854+703031(Top 11%)2815(Top 19%)2815(Top 53%)
40K24.85 mi0.85 mi4018+993761+933761+932394(Top 9%)2224(Top 15%)2224(Top 42%)
25.2M25.20 mi0.35 mi3981+373727+343727+342745(Top 10%)2531(Top 17%)2531(Top 48%)
Finish26.22 mi1.02 mi3934+473685+423685+423111(Top 12%)2806(Top 18%)2806(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4963

Males

4607

M18-39

4607

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5594

Males

5136

M18-39

5136

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4963

Males

4607

M18-39

4607

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4591

Males

4276

M18-39

4276

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4248

Males

3972

M18-39

3972

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3699

Males

3484

M18-39

3484

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3763

Males

3529

M18-39

3529

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4323

Males

3983

M18-39

3983

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3871

Males

3579

M18-39

3579

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4001

Males

3676

M18-39

3676

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3299

Males

3068

M18-39

3068

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3031

Males

2815

M18-39

2815

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2394

Males

2224

M18-39

2224

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2745

Males

2531

M18-39

2531

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3111

Males

2806

M18-39

2806

Passing Analysis

Category:
Athletes Passed
1477
Passed By
1109
Net Change
+368
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4302
5K → 10K38684-646#4302#4948
10K → 15K112117-5#4948#4953
15K → 20K15452+102#4953#4851
20K → Half4312+31#4851#4820
Half → 25K27110+261#4820#4559
25K → 30K21839+179#4559#4380
30K → 20M7261+11#4380#4369
20M → 21M9133+58#4369#4311
21M → 35K5323+30#4311#4281
35K → 23M10818+90#4281#4191
23M → 24M9117+74#4191#4117
24M → 40K11011+99#4117#4018
40K → 25.2M436+37#4018#3981
25.2M → Finish7326+47#3981#3934
TOTALS14771109+368
📊

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