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BOSTON MARATHON 2023

Blaine Butterworth

Bib: 20108•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:20
Rank: #21909
Start → 5K
29:20 | 9:26/mi
10K· 6.21 mi
56:43
Rank: #21157 (+752)
5K → 10K
27:23 | 8:49/mi
15K· 9.32 mi
1:24:23
Rank: #20809 (+348)
10K → 15K
27:40 | 8:54/mi
20K· 12.43 mi
1:52:22
Rank: #20543 (+266)
15K → 20K
27:59 | 9:00/mi
Half· 13.11 mi
1:58:15
Rank: #20451 (+92)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:20:50
Rank: #20415 (+36)
Half → 25K
22:35 | 9:19/mi
30K· 18.64 mi
2:49:32
Rank: #20027 (+388)
25K → 30K
28:42 | 9:14/mi
20M
3:02:00
Rank: #19810 (+217)
30K → 20M
12:28 | 9:10/mi
21M
3:11:42
Rank: #19629 (+181)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
3:18:20
Rank: #19560 (+69)
21M → 35K
6:38 | 8:52/mi
23M
3:29:37
Rank: #19366 (+194)
35K → 23M
11:17 | 9:01/mi
24M
3:38:17
Rank: #19213 (+153)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:46:11
Rank: #19143 (+70)
24M → 40K
7:54 | 9:14/mi
25.2M
3:49:26
Rank: #19077 (+66)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:58:11
Rank: #18983 (+94)
25.2M → Finish
8:45 | 8:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:15
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time1:59:56
Pace9:09 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5029:209:2629:20
9:26
-
10K
6.21 mi11:49:1356:439:0827:23
8:49
-0:37
15K
9.32 mi12:16:531:24:239:0327:40
8:54
+0:05
20K
12.43 mi12:44:521:52:229:0327:59
9:00
+0:06
Half
13.11 mi12:50:451:58:159:015:53
8:37
-0:23
25K
15.53 mi13:13:202:20:509:0422:35
9:19
+0:42
30K
18.64 mi13:42:022:49:329:0628:42
9:14
-0:05
20M
20.00 mi13:54:303:02:009:0612:28
9:10
-0:04
21M
21.00 mi14:04:123:11:429:089:42
9:42
+0:32
35K
21.75 mi14:10:503:18:209:076:38
8:52
-0:50
23M
23.00 mi14:22:073:29:379:0711:17
9:01
+0:09
24M
24.00 mi14:30:473:38:179:068:40
8:40
-0:21
40K
24.85 mi14:38:413:46:119:067:54
9:14
+0:34
25.2M
25.20 mi14:41:563:49:269:063:15
9:25
+0:11
Finish
26.22 mi14:50:413:58:119:058:45
8:35
-0:50

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

8:35 /mi

Average Pace

9:05 /mi

Slowest Pace

9:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:48:29

96% of race

Time at Steady Pace

9:42

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:05 /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 mi11:21:5029:209:2629:20
9:26
#21909
10K
6.21 mi11:49:1356:439:0827:23
8:49
#21157
15K
9.32 mi12:16:531:24:239:0327:40
8:54
#20809
20K
12.43 mi12:44:521:52:229:0327:59
9:00
#20543
Half
13.11 mi12:50:451:58:159:015:53
8:37
#20451
25K
15.53 mi13:13:202:20:509:0422:35
9:19
#20415
30K
18.64 mi13:42:022:49:329:0628:42
9:14
#20027
20M
20.00 mi13:54:303:02:009:0612:28
9:10
#19810
21M
21.00 mi14:04:123:11:429:089:42
9:42
#19629
35K
21.75 mi14:10:503:18:209:076:38
8:52
#19560
23M
23.00 mi14:22:073:29:379:0711:17
9:01
#19366
24M
24.00 mi14:30:473:38:179:068:40
8:40
#19213
40K
24.85 mi14:38:413:46:119:067:54
9:14
#19143
25.2M
25.20 mi14:41:563:49:269:063:15
9:25
#19077
Finish
26.22 mi14:50:413:58:119:058:45
8:35
#18983
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21909130481304820056(Top 75%)12321(Top 81%)12321(Top 1110%)
10K6.21 mi3.10 mi21157+75212741+30712741+30719994(Top 75%)12276(Top 81%)12276(Top 1106%)
15K9.32 mi3.11 mi20809+34812608+13312608+13320056(Top 75%)12321(Top 81%)12321(Top 1110%)
20K12.43 mi3.11 mi20543+26612499+10912499+10919727(Top 74%)12196(Top 80%)12196(Top 1099%)
Half13.11 mi0.68 mi20451+9212461+3812461+3818444(Top 69%)11683(Top 77%)11683(Top 1053%)
25K15.53 mi2.42 mi20415+3612450+1112450+1120231(Top 76%)12384(Top 82%)12384(Top 1116%)
30K18.64 mi3.11 mi20027+38812262+18812262+18818335(Top 69%)11485(Top 76%)11485(Top 1035%)
20M20.00 mi1.36 mi19810+21712163+9912163+9917421(Top 65%)10998(Top 72%)10998(Top 991%)
21M21.00 mi1.00 mi19629+18112080+8312080+8316840(Top 63%)10728(Top 71%)10728(Top 966%)
35K21.75 mi0.75 mi19560+6912043+3712043+3717276(Top 65%)10833(Top 71%)10833(Top 976%)
23M23.00 mi1.25 mi19366+19411958+8511958+8516123(Top 61%)10298(Top 68%)10298(Top 928%)
24M24.00 mi1.00 mi19213+15311880+7811880+7815458(Top 58%)9936(Top 65%)9936(Top 895%)
40K24.85 mi0.85 mi19143+7011842+3811842+3817261(Top 65%)10699(Top 70%)10699(Top 964%)
25.2M25.20 mi0.35 mi19077+6611809+3311809+3314814(Top 56%)9618(Top 63%)9618(Top 866%)
Finish26.22 mi1.02 mi18983+9411760+4911760+4915903(Top 60%)10139(Top 67%)10139(Top 913%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

20056

Males

12321

M60-64

12321

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

19994

Males

12276

M60-64

12276

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

20056

Males

12321

M60-64

12321

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

19727

Males

12196

M60-64

12196

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18444

Males

11683

M60-64

11683

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20231

Males

12384

M60-64

12384

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18335

Males

11485

M60-64

11485

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

17421

Males

10998

M60-64

10998

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16840

Males

10728

M60-64

10728

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17276

Males

10833

M60-64

10833

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16123

Males

10298

M60-64

10298

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15458

Males

9936

M60-64

9936

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17261

Males

10699

M60-64

10699

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14814

Males

9618

M60-64

9618

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

15903

Males

10139

M60-64

10139

Passing Analysis

Category:
Athletes Passed
3261
Passed By
335
Net Change
+2926
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21909
5K → 10K80048+752#21909#21157
10K → 15K40860+348#21157#20809
15K → 20K31953+266#20809#20543
20K → Half953+92#20543#20451
Half → 25K12286+36#20451#20415
25K → 30K40113+388#20415#20027
30K → 20M2214+217#20027#19810
20M → 21M19514+181#19810#19629
21M → 35K778+69#19629#19560
35K → 23M20410+194#19560#19366
23M → 24M1574+153#19366#19213
24M → 40K9222+70#19213#19143
40K → 25.2M671+66#19143#19077
25.2M → Finish1039+94#19077#18983
TOTALS3261335+2926
📊

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