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BOSTON MARATHON 2023

Andy Shewen

Bib: 12865•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 42%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:22
Rank: #9793
Start → 5K
23:22 | 7:31/mi
10K· 6.21 mi
46:06
Rank: #9335 (+458)
5K → 10K
22:44 | 7:19/mi
15K· 9.32 mi
1:08:43
Rank: #8997 (+338)
10K → 15K
22:37 | 7:17/mi
20K· 12.43 mi
1:31:52
Rank: #8938 (+59)
15K → 20K
23:09 | 7:27/mi
Half· 13.11 mi
1:36:59
Rank: #9007 (-69)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:55:28
Rank: #9091 (-84)
Half → 25K
18:29 | 7:37/mi
30K· 18.64 mi
2:19:53
Rank: #9195 (-104)
25K → 30K
24:25 | 7:52/mi
20M
2:30:43
Rank: #9239 (-44)
30K → 20M
10:50 | 7:58/mi
21M
2:39:24
Rank: #9346 (-107)
20M → 21M
8:41 | 8:41/mi
35K· 21.75 mi
2:45:21
Rank: #9435 (-89)
21M → 35K
5:57 | 7:57/mi
23M
2:55:49
Rank: #9561 (-126)
35K → 23M
10:28 | 8:22/mi
24M
3:04:23
Rank: #9792 (-231)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:12:01
Rank: #10039 (-247)
24M → 40K
7:38 | 8:56/mi
25.2M
3:15:12
Rank: #10091 (-52)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:23:30
Rank: #10194 (-103)
25.2M → Finish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:59
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:46:31
Pace8:08 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0723:227:3123:22
7:31
-
10K
6.21 mi11:13:5146:067:2522:44
7:19
-0:12
15K
9.32 mi11:36:281:08:437:2222:37
7:17
-0:02
20K
12.43 mi11:59:371:31:527:2423:09
7:27
+0:10
Half
13.11 mi12:04:441:36:597:245:07
7:30
+0:03
25K
15.53 mi12:23:131:55:287:2618:29
7:37
+0:07
30K
18.64 mi12:47:382:19:537:3024:25
7:52
+0:15
20M
20.00 mi12:58:282:30:437:3210:50
7:58
+0:06
21M
21.00 mi13:07:092:39:247:358:41
8:41
+0:43
35K
21.75 mi13:13:062:45:217:365:57
7:57
-0:44
23M
23.00 mi13:23:342:55:497:3910:28
8:22
+0:25
24M
24.00 mi13:32:083:04:237:418:34
8:34
+0:12
40K
24.85 mi13:39:463:12:017:447:38
8:56
+0:22
25.2M
25.20 mi13:42:573:15:127:453:11
9:14
+0:18
Finish
26.22 mi13:51:153:23:307:468:18
8:09
-1:05

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

7:17 /mi

Average Pace

7:46 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:28

57% of race

Time at Steady Pace

49:30

24% of race

Time at Slower Pace

38:32

19% of race

Average Pace: 7:46 /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 mi10:51:0723:227:3123:22
7:31
#9793
10K
6.21 mi11:13:5146:067:2522:44
7:19
#9335
15K
9.32 mi11:36:281:08:437:2222:37
7:17
#8997
20K
12.43 mi11:59:371:31:527:2423:09
7:27
#8938
Half
13.11 mi12:04:441:36:597:245:07
7:30
#9007
25K
15.53 mi12:23:131:55:287:2618:29
7:37
#9091
30K
18.64 mi12:47:382:19:537:3024:25
7:52
#9195
20M
20.00 mi12:58:282:30:437:3210:50
7:58
#9239
21M
21.00 mi13:07:092:39:247:358:41
8:41
#9346
35K
21.75 mi13:13:062:45:217:365:57
7:57
#9435
23M
23.00 mi13:23:342:55:497:3910:28
8:22
#9561
24M
24.00 mi13:32:083:04:237:418:34
8:34
#9792
40K
24.85 mi13:39:463:12:017:447:38
8:56
#10039
25.2M
25.20 mi13:42:573:15:127:453:11
9:14
#10091
Finish
26.22 mi13:51:153:23:307:468:18
8:09
#10194
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9793802880288403(Top 32%)7181(Top 47%)7181(Top 319%)
10K6.21 mi3.10 mi9335+4587781+2477781+2478975(Top 34%)7570(Top 50%)7570(Top 336%)
15K9.32 mi3.11 mi8997+3387564+2177564+2178403(Top 32%)7181(Top 47%)7181(Top 319%)
20K12.43 mi3.11 mi8938+597512+527512+528920(Top 34%)7459(Top 49%)7459(Top 331%)
Half13.11 mi0.68 mi9007-697550-387550-3810199(Top 38%)8211(Top 54%)8211(Top 365%)
25K15.53 mi2.42 mi9091-847605-557605-559723(Top 37%)7836(Top 52%)7836(Top 348%)
30K18.64 mi3.11 mi9195-1047622-177622-179815(Top 37%)7731(Top 51%)7731(Top 343%)
20M20.00 mi1.36 mi9239-447618+47618+410047(Top 38%)7780(Top 51%)7780(Top 345%)
21M21.00 mi1.00 mi9346-1077662-447662-4411532(Top 43%)8351(Top 55%)8351(Top 371%)
35K21.75 mi0.75 mi9435-897699-377699-3711725(Top 44%)8425(Top 56%)8425(Top 374%)
23M23.00 mi1.25 mi9561-1267755-567755-5612281(Top 46%)8586(Top 57%)8586(Top 381%)
24M24.00 mi1.00 mi9792-2317848-937848-9314831(Top 56%)9672(Top 64%)9672(Top 429%)
40K24.85 mi0.85 mi10039-2477950-1027950-10215714(Top 59%)9999(Top 66%)9999(Top 444%)
25.2M25.20 mi0.35 mi10091-527966-167966-1613707(Top 51%)9075(Top 60%)9075(Top 403%)
Finish26.22 mi1.02 mi10194-1037987-217987-2113037(Top 49%)8782(Top 58%)8782(Top 390%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8403

Males

7181

M45-49

7181

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8975

Males

7570

M45-49

7570

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8403

Males

7181

M45-49

7181

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8920

Males

7459

M45-49

7459

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10199

Males

8211

M45-49

8211

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9723

Males

7836

M45-49

7836

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9815

Males

7731

M45-49

7731

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10047

Males

7780

M45-49

7780

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11532

Males

8351

M45-49

8351

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11725

Males

8425

M45-49

8425

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12281

Males

8586

M45-49

8586

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14831

Males

9672

M45-49

9672

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15714

Males

9999

M45-49

9999

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13707

Males

9075

M45-49

9075

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13037

Males

8782

M45-49

8782

Passing Analysis

Category:
Athletes Passed
1619*
Passed By
2019
Net Change
-401
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9793
5K → 10K571113+458#9793#9335
10K → 15K36931+338#9335#8997
15K → 20K15596+59#8997#8938
20K → Half877-69#8938#9007
Half → 25K83167-84#9007#9091
25K → 30K133237-104#9091#9195
30K → 20M63107-44#9195#9239
20M → 21M58165-107#9239#9346
21M → 35K27116-89#9346#9435
35K → 23M53179-126#9435#9561
23M → 24M17248-231#9561#9792
24M → 40K19265-247#9792#10039
40K → 25.2M25*77-52#10039#10091
25.2M → Finish38141-103#10091#10194
TOTALS1619*2019-401

* 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