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BOSTON MARATHON 2023

Jeff Musgrave

Bib: 8257•M

NB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:48
Rank: #8378
Start → 5K
22:48 | 7:20/mi
10K· 6.21 mi
46:01
Rank: #9220 (-842)
5K → 10K
23:13 | 7:28/mi
15K· 9.32 mi
1:09:35
Rank: #9747 (-527)
10K → 15K
23:34 | 7:35/mi
20K· 12.43 mi
1:33:35
Rank: #10093 (-346)
15K → 20K
24:00 | 7:43/mi
Half· 13.11 mi
1:38:48
Rank: #10163 (-70)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:58:07
Rank: #10506 (-343)
Half → 25K
19:19 | 7:58/mi
30K· 18.64 mi
2:23:22
Rank: #10689 (-183)
25K → 30K
25:15 | 8:08/mi
20M
2:34:50
Rank: #10860 (-171)
30K → 20M
11:28 | 8:26/mi
21M
2:43:54
Rank: #11049 (-189)
20M → 21M
9:04 | 9:04/mi
35K· 21.75 mi
2:50:08
Rank: #11172 (-123)
21M → 35K
6:14 | 8:20/mi
23M
3:01:07
Rank: #11429 (-257)
35K → 23M
10:59 | 8:46/mi
24M
3:09:50
Rank: #11663 (-234)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:17:42
Rank: #11923 (-260)
24M → 40K
7:52 | 9:12/mi
25.2M
3:21:02
Rank: #11998 (-75)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:30:03
Rank: #12276 (-278)
25.2M → Finish
9:01 | 8:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:48
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:51:15
Pace8:29 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1322:487:2022:48
7:20
-
10K
6.21 mi11:11:2646:017:2423:13
7:28
+0:08
15K
9.32 mi11:35:001:09:357:2823:34
7:35
+0:07
20K
12.43 mi11:59:001:33:357:3224:00
7:43
+0:08
Half
13.11 mi12:04:131:38:487:325:13
7:39
-0:04
25K
15.53 mi12:23:321:58:077:3619:19
7:58
+0:19
30K
18.64 mi12:48:472:23:227:4125:15
8:08
+0:10
20M
20.00 mi13:00:152:34:507:4411:28
8:26
+0:18
21M
21.00 mi13:09:192:43:547:489:04
9:04
+0:38
35K
21.75 mi13:15:332:50:087:496:14
8:20
-0:44
23M
23.00 mi13:26:323:01:077:5210:59
8:46
+0:26
24M
24.00 mi13:35:153:09:507:558:43
8:43
-0:03
40K
24.85 mi13:43:073:17:427:577:52
9:12
+0:29
25.2M
25.20 mi13:46:273:21:027:593:20
9:40
+0:28
Finish
26.22 mi13:55:283:30:038:019:01
8:51
-0:49

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

7:20 /mi

Average Pace

8:01 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:07

56% of race

Time at Steady Pace

42:57

20% of race

Time at Slower Pace

48:59

23% of race

Average Pace: 8:01 /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 mi10:48:1322:487:2022:48
7:20
#8378
10K
6.21 mi11:11:2646:017:2423:13
7:28
#9220
15K
9.32 mi11:35:001:09:357:2823:34
7:35
#9747
20K
12.43 mi11:59:001:33:357:3224:00
7:43
#10093
Half
13.11 mi12:04:131:38:487:325:13
7:39
#10163
25K
15.53 mi12:23:321:58:077:3619:19
7:58
#10506
30K
18.64 mi12:48:472:23:227:4125:15
8:08
#10689
20M
20.00 mi13:00:152:34:507:4411:28
8:26
#10860
21M
21.00 mi13:09:192:43:547:489:04
9:04
#11049
35K
21.75 mi13:15:332:50:087:496:14
8:20
#11172
23M
23.00 mi13:26:323:01:077:5210:59
8:46
#11429
24M
24.00 mi13:35:153:09:507:558:43
8:43
#11663
40K
24.85 mi13:43:073:17:427:577:52
9:12
#11923
25.2M
25.20 mi13:46:273:21:027:593:20
9:40
#11998
Finish
26.22 mi13:55:283:30:038:019:01
8:51
#12276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi83787222722210878(Top 41%)8594(Top 57%)8594(Top 383%)
10K6.21 mi3.10 mi9220-8427704-4827704-48210237(Top 38%)8299(Top 55%)8299(Top 370%)
15K9.32 mi3.11 mi9747-5278008-3048008-30410878(Top 41%)8594(Top 57%)8594(Top 383%)
20K12.43 mi3.11 mi10093-3468202-1948202-19411105(Top 42%)8630(Top 57%)8630(Top 385%)
Half13.11 mi0.68 mi10163-708234-328234-3211370(Top 43%)8803(Top 58%)8803(Top 393%)
25K15.53 mi2.42 mi10506-3438395-1618395-16112451(Top 47%)9103(Top 60%)9103(Top 406%)
30K18.64 mi3.11 mi10689-1838424-298424-2911828(Top 44%)8734(Top 58%)8734(Top 390%)
20M20.00 mi1.36 mi10860-1718483-598483-5913223(Top 50%)9224(Top 61%)9224(Top 412%)
21M21.00 mi1.00 mi11049-1898549-668549-6613764(Top 52%)9376(Top 62%)9376(Top 418%)
35K21.75 mi0.75 mi11172-1238599-508599-5014243(Top 54%)9521(Top 63%)9521(Top 425%)
23M23.00 mi1.25 mi11429-2578681-828681-8214808(Top 56%)9716(Top 64%)9716(Top 434%)
24M24.00 mi1.00 mi11663-2348771-908771-9015719(Top 59%)10042(Top 66%)10042(Top 448%)
40K24.85 mi0.85 mi11923-2608853-828853-8217075(Top 64%)10603(Top 70%)10603(Top 473%)
25.2M25.20 mi0.35 mi11998-758881-288881-2815895(Top 60%)10059(Top 66%)10059(Top 449%)
Finish26.22 mi1.02 mi12276-2788981-1008981-10017237(Top 65%)10709(Top 71%)10709(Top 478%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

10878

Males

8594

M40-44

8594

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10237

Males

8299

M40-44

8299

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

10878

Males

8594

M40-44

8594

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11105

Males

8630

M40-44

8630

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11370

Males

8803

M40-44

8803

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12451

Males

9103

M40-44

9103

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11828

Males

8734

M40-44

8734

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13223

Males

9224

M40-44

9224

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13764

Males

9376

M40-44

9376

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14243

Males

9521

M40-44

9521

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14808

Males

9716

M40-44

9716

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15719

Males

10042

M40-44

10042

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17075

Males

10603

M40-44

10603

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15895

Males

10059

M40-44

10059

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17237

Males

10709

M40-44

10709

Passing Analysis

Category:
Athletes Passed
556*
Passed By
4454
Net Change
-3898
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8378
5K → 10K49891-842#8378#9220
10K → 15K45572-527#9220#9747
15K → 20K72418-346#9747#10093
20K → Half1585-70#10093#10163
Half → 25K53396-343#10163#10506
25K → 30K124307-183#10506#10689
30K → 20M43*214-171#10689#10860
20M → 21M25214-189#10860#11049
21M → 35K17140-123#11049#11172
35K → 23M40297-257#11172#11429
23M → 24M20254-234#11429#11663
24M → 40K22282-260#11663#11923
40K → 25.2M1287-75#11923#11998
25.2M → Finish19297-278#11998#12276
TOTALS556*4454-3898

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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