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BOSTON MARATHON 2023

Ken Boyett

Bib: 15140•M

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/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:50/mi
24:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
48:46
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:13:27
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:38:59
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:44:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:21/mi
2:04:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:36/mi
2:31:30
↑ 181↓ 1480.2%
20M
9:04/mi
2:43:49
↑ 64↓ 500.2%
21M
9:04/mi
2:52:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:21/mi
2:59:07
↑ 17↓ 861.7%
23M
8:54/mi
3:10:15
↑ 23↓ 630.6%
24M
8:35/mi
3:18:50
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:26:25
↓ 200.3%
25.2M
9:34/mi
3:29:43
↑ 13↓ 160.2%
Finish· 26.22 mi
8:28/mi
3:38:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:31
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:53:50
Pace8:41 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0424:197:5024:19
7:50
-
10K
6.21 mi11:18:3148:467:5124:27
7:52
+0:02
15K
9.32 mi11:43:121:13:277:5324:41
7:57
+0:05
20K
12.43 mi12:08:441:38:597:5825:32
8:13
+0:16
Half
13.11 mi12:14:161:44:317:585:32
8:07
-0:06
25K
15.53 mi12:34:312:04:468:0220:15
8:21
+0:14
30K
18.64 mi13:01:152:31:308:0826:44
8:36
+0:15
20M
20.00 mi13:13:342:43:498:1112:19
9:04
+0:28
21M
21.00 mi13:22:372:52:528:149:03
9:04
0:00
35K
21.75 mi13:28:522:59:078:146:15
8:21
-0:43
23M
23.00 mi13:40:003:10:158:1611:08
8:54
+0:33
24M
24.00 mi13:48:353:18:508:178:35
8:35
-0:19
40K
24.85 mi13:56:103:26:258:187:35
8:52
+0:17
25.2M
25.20 mi13:59:283:29:438:193:18
9:34
+0:42
Finish
26.22 mi14:08:063:38:218:208:38
8:28
-1:06

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

7:50 /mi

Average Pace

8:20 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:31

48% of race

Time at Steady Pace

1:10:27

32% of race

Time at Slower Pace

43:23

20% of race

Average Pace: 8:20 /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 mi10:54:0424:197:5024:19
7:50
#12605
10K
6.21 mi11:18:3148:467:5124:27
7:52
#13170
15K
9.32 mi11:43:121:13:277:5324:41
7:57
#13408
20K
12.43 mi12:08:441:38:597:5825:32
8:13
#13817
Half
13.11 mi12:14:161:44:317:585:32
8:07
#13878
25K
15.53 mi12:34:312:04:468:0220:15
8:21
#14111
30K
18.64 mi13:01:152:31:308:0826:44
8:36
#14303
20M
20.00 mi13:13:342:43:498:1112:19
9:04
#14481
21M
21.00 mi13:22:372:52:528:149:03
9:04
#14424
35K
21.75 mi13:28:522:59:078:146:15
8:21
#14422
23M
23.00 mi13:40:003:10:158:1611:08
8:54
#14483
24M
24.00 mi13:48:353:18:508:178:35
8:35
#14473
40K
24.85 mi13:56:103:26:258:187:35
8:52
#14501
25.2M
25.20 mi13:59:283:29:438:193:18
9:34
#14508
Finish
26.22 mi14:08:063:38:218:208:38
8:28
#14512
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi126059373937313940(Top 52%)9876(Top 65%)9876(Top 695%)
10K6.21 mi3.10 mi13170-5659604-2319604-23113713(Top 52%)9828(Top 65%)9828(Top 691%)
15K9.32 mi3.11 mi13408-2389697-939697-9313940(Top 52%)9876(Top 65%)9876(Top 695%)
20K12.43 mi3.11 mi13817-4099831-1349831-13415073(Top 57%)10297(Top 68%)10297(Top 724%)
Half13.11 mi0.68 mi13878-619851-209851-2015163(Top 57%)10356(Top 68%)10356(Top 728%)
25K15.53 mi2.42 mi14111-2339914-639914-6315252(Top 57%)10242(Top 67%)10242(Top 720%)
30K18.64 mi3.11 mi14303-1929950-369950-3614942(Top 56%)10030(Top 66%)10030(Top 705%)
20M20.00 mi1.36 mi14481-1789995-459995-4516847(Top 63%)10760(Top 71%)10760(Top 757%)
21M21.00 mi1.00 mi14424+579956+399956+3913748(Top 52%)9360(Top 62%)9360(Top 658%)
35K21.75 mi0.75 mi14422+29946+109946+1014404(Top 54%)9599(Top 63%)9599(Top 675%)
23M23.00 mi1.25 mi14483-619948-29948-215480(Top 58%)10020(Top 66%)10020(Top 705%)
24M24.00 mi1.00 mi14473+109919+299919+2914944(Top 56%)9722(Top 64%)9722(Top 684%)
40K24.85 mi0.85 mi14501-289908+119908+1115430(Top 58%)9863(Top 65%)9863(Top 694%)
25.2M25.20 mi0.35 mi14508-79899+99899+915451(Top 58%)9872(Top 65%)9872(Top 694%)
Finish26.22 mi1.02 mi14512-49889+109889+1015212(Top 57%)9818(Top 65%)9818(Top 690%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13940

Males

9876

M55-59

9876

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13713

Males

9828

M55-59

9828

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13940

Males

9876

M55-59

9876

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15073

Males

10297

M55-59

10297

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15163

Males

10356

M55-59

10356

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15252

Males

10242

M55-59

10242

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14942

Males

10030

M55-59

10030

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16847

Males

10760

M55-59

10760

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13748

Males

9360

M55-59

9360

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14404

Males

9599

M55-59

9599

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15480

Males

10020

M55-59

10020

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14944

Males

9722

M55-59

9722

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15430

Males

9863

M55-59

9863

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15451

Males

9872

M55-59

9872

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15212

Males

9818

M55-59

9818

Passing Analysis

Category:
Athletes Passed
1015
Passed By
2922
Net Change
-1907
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12605
5K → 10K119684-565#12605#13170
10K → 15K129367-238#13170#13408
15K → 20K75484-409#13408#13817
20K → Half2081-61#13817#13878
Half → 25K65298-233#13878#14111
25K → 30K132324-192#14111#14303
30K → 20M44222-178#14303#14481
20M → 21M10851+57#14481#14424
21M → 35K4644+2#14424#14422
35K → 23M63124-61#14422#14483
23M → 24M8272+10#14483#14473
24M → 40K4876-28#14473#14501
40K → 25.2M2128-7#14501#14508
25.2M → Finish6367-4#14508#14512
TOTALS10152922-1907
📊

Passing Visuals

Category:
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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