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BOSTON MARATHON 2023

George Butcher

Bib: 4505•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Division (M18-39)
#0 / 5285
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:45
Rank: #3469
Start → 5K
20:45 | 6:41/mi
10K· 6.21 mi
41:13
Rank: #3404 (+65)
5K → 10K
20:28 | 6:35/mi
15K· 9.32 mi
1:01:46
Rank: #3400 (+4)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:22:31
Rank: #3377 (+23)
15K → 20K
20:45 | 6:41/mi
Half· 13.11 mi
1:26:55
Rank: #3315 (+62)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:42:44
Rank: #3085 (+230)
Half → 25K
15:49 | 6:31/mi
30K· 18.64 mi
2:04:15
Rank: #3165 (-80)
25K → 30K
21:31 | 6:56/mi
20M
2:13:29
Rank: #3103 (+62)
30K → 20M
9:14 | 6:48/mi
21M
2:20:55
Rank: #3160 (-57)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:26:02
Rank: #3193 (-33)
21M → 35K
5:07 | 6:50/mi
23M
2:35:01
Rank: #3269 (-76)
35K → 23M
8:59 | 7:10/mi
24M
2:42:01
Rank: #3328 (-59)
23M → 24M
7:00 | 7:00/mi
40K· 24.85 mi
2:48:05
Rank: #3365 (-37)
24M → 40K
6:04 | 7:06/mi
25.2M
2:50:43
Rank: #3378 (-13)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:57:41
Rank: #3386 (-8)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:55
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:30:46
Pace6:55 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3720:456:4120:45
6:41
-
10K
6.21 mi10:43:0541:136:3820:28
6:35
-0:06
15K
9.32 mi11:03:381:01:466:3820:33
6:37
+0:02
20K
12.43 mi11:24:231:22:316:3820:45
6:41
+0:04
Half
13.11 mi11:28:471:26:556:384:24
6:27
-0:14
25K
15.53 mi11:44:361:42:446:3715:49
6:31
+0:04
30K
18.64 mi12:06:072:04:156:4021:31
6:56
+0:25
20M
20.00 mi12:15:212:13:296:409:14
6:48
-0:08
21M
21.00 mi12:22:472:20:556:437:26
7:26
+0:38
35K
21.75 mi12:27:542:26:026:435:07
6:50
-0:36
23M
23.00 mi12:36:532:35:016:448:59
7:10
+0:20
24M
24.00 mi12:43:532:42:016:457:00
7:00
-0:10
40K
24.85 mi12:49:572:48:056:466:04
7:06
+0:06
25.2M
25.20 mi12:52:352:50:436:462:38
7:38
+0:32
Finish
26.22 mi12:59:332:57:416:476:58
6:50
-0:48

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

6:27 /mi

Average Pace

6:47 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:34

86% of race

Time at Steady Pace

22:29

13% of race

Time at Slower Pace

2:38

1% of race

Average Pace: 6:47 /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 mi10:22:3720:456:4120:45
6:41
#3469
10K
6.21 mi10:43:0541:136:3820:28
6:35
#3404
15K
9.32 mi11:03:381:01:466:3820:33
6:37
#3400
20K
12.43 mi11:24:231:22:316:3820:45
6:41
#3377
Half
13.11 mi11:28:471:26:556:384:24
6:27
#3315
25K
15.53 mi11:44:361:42:446:3715:49
6:31
#3085
30K
18.64 mi12:06:072:04:156:4021:31
6:56
#3165
20M
20.00 mi12:15:212:13:296:409:14
6:48
#3103
21M
21.00 mi12:22:472:20:556:437:26
7:26
#3160
35K
21.75 mi12:27:542:26:026:435:07
6:50
#3193
23M
23.00 mi12:36:532:35:016:448:59
7:10
#3269
24M
24.00 mi12:43:532:42:016:457:00
7:00
#3328
40K
24.85 mi12:49:572:48:056:466:04
7:06
#3365
25.2M
25.20 mi12:52:352:50:436:462:38
7:38
#3378
Finish
26.22 mi12:59:332:57:416:476:58
6:50
#3386
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3469327032703408(Top 13%)3233(Top 21%)3233(Top 61%)
10K6.21 mi3.10 mi3404+653219+513219+513408(Top 13%)3237(Top 21%)3237(Top 61%)
15K9.32 mi3.11 mi3400+43221-23221-23408(Top 13%)3233(Top 21%)3233(Top 61%)
20K12.43 mi3.11 mi3377+233205+163205+163407(Top 13%)3230(Top 21%)3230(Top 61%)
Half13.11 mi0.68 mi3315+623153+523153+522519(Top 9%)2418(Top 16%)2418(Top 46%)
25K15.53 mi2.42 mi3085+2302942+2112942+2112300(Top 9%)2206(Top 15%)2206(Top 42%)
30K18.64 mi3.11 mi3165-803015-733015-733818(Top 14%)3577(Top 24%)3577(Top 68%)
20M20.00 mi1.36 mi3103+622955+602955+602789(Top 10%)2636(Top 17%)2636(Top 50%)
21M21.00 mi1.00 mi3160-572997-422997-424254(Top 16%)3894(Top 26%)3894(Top 74%)
35K21.75 mi0.75 mi3193-333026-293026-294393(Top 17%)4011(Top 26%)4011(Top 76%)
23M23.00 mi1.25 mi3269-763096-703096-704646(Top 17%)4189(Top 28%)4189(Top 79%)
24M24.00 mi1.00 mi3328-593150-543150-544649(Top 17%)4163(Top 27%)4163(Top 79%)
40K24.85 mi0.85 mi3365-373183-333183-334318(Top 16%)3834(Top 25%)3834(Top 73%)
25.2M25.20 mi0.35 mi3378-133190-73190-74484(Top 17%)3897(Top 26%)3897(Top 74%)
Finish26.22 mi1.02 mi3386-83195-53195-54262(Top 16%)3738(Top 25%)3738(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3408

Males

3233

M18-39

3233

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3408

Males

3237

M18-39

3237

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3408

Males

3233

M18-39

3233

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3407

Males

3230

M18-39

3230

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2519

Males

2418

M18-39

2418

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2300

Males

2206

M18-39

2206

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3818

Males

3577

M18-39

3577

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2789

Males

2636

M18-39

2636

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4254

Males

3894

M18-39

3894

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4393

Males

4011

M18-39

4011

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4646

Males

4189

M18-39

4189

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4649

Males

4163

M18-39

4163

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4318

Males

3834

M18-39

3834

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4484

Males

3897

M18-39

3897

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4262

Males

3738

M18-39

3738

Passing Analysis

Category:
Athletes Passed
1055
Passed By
972
Net Change
+83
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3469
5K → 10K220155+65#3469#3404
10K → 15K9793+4#3404#3400
15K → 20K9471+23#3400#3377
20K → Half653+62#3377#3315
Half → 25K2322+230#3315#3085
25K → 30K68148-80#3085#3165
30K → 20M7917+62#3165#3103
20M → 21M2683-57#3103#3160
21M → 35K1649-33#3160#3193
35K → 23M37113-76#3193#3269
23M → 24M2786-59#3269#3328
24M → 40K2562-37#3328#3365
40K → 25.2M1932-13#3365#3378
25.2M → Finish5058-8#3378#3386
TOTALS1055972+83
📊

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