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BOSTON MARATHON 2023

Brian Shrout

Bib: 1884•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
Masters (Masters Men)
#0 / 9891
Top 17%
Division (M45-49)
#0 / 2252
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:46
Rank: #1667
Start → 5K
19:46 | 6:22/mi
10K· 6.21 mi
39:09
Rank: #1575 (+92)
5K → 10K
19:23 | 6:14/mi
15K· 9.32 mi
58:40
Rank: #1564 (+11)
10K → 15K
19:31 | 6:17/mi
20K· 12.43 mi
1:21:18
Rank: #2687 (-1123)
15K → 20K
22:38 | 7:17/mi
Half· 13.11 mi
1:25:58
Rank: #2795 (-108)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:42:58
Rank: #3198 (-403)
Half → 25K
17:00 | 7:01/mi
30K· 18.64 mi
2:05:02
Rank: #3502 (-304)
25K → 30K
22:04 | 7:06/mi
20M
2:15:59
Rank: #4151 (-649)
30K → 20M
10:57 | 8:03/mi
21M
2:23:37
Rank: #4214 (-63)
20M → 21M
7:38 | 7:38/mi
35K· 21.75 mi
2:29:51
Rank: #4653 (-439)
21M → 35K
6:14 | 8:20/mi
23M
2:39:14
Rank: #4739 (-86)
35K → 23M
9:23 | 7:30/mi
24M
2:47:59
Rank: #5138 (-399)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
2:54:31
Rank: #5174 (-36)
24M → 40K
6:32 | 7:38/mi
25.2M
2:57:09
Rank: #5138 (+36)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:04:40
Rank: #5179 (-41)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:58
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:38:42
Pace7:32 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1419:466:2219:46
6:22
-
10K
6.21 mi10:39:3739:096:1819:23
6:14
-0:08
15K
9.32 mi10:59:0858:406:1819:31
6:17
+0:03
20K
12.43 mi11:21:461:21:186:3322:38
7:17
+1:00
Half
13.11 mi11:26:261:25:586:334:40
6:50
-0:27
25K
15.53 mi11:43:261:42:586:3817:00
7:01
+0:11
30K
18.64 mi12:05:302:05:026:4222:04
7:06
+0:05
20M
20.00 mi12:16:272:15:596:4810:57
8:03
+0:57
21M
21.00 mi12:24:052:23:376:507:38
7:38
-0:25
35K
21.75 mi12:30:192:29:516:536:14
8:20
+0:42
23M
23.00 mi12:39:422:39:146:559:23
7:30
-0:50
24M
24.00 mi12:48:272:47:597:008:45
8:45
+1:15
40K
24.85 mi12:54:592:54:317:016:32
7:38
-1:07
25.2M
25.20 mi12:57:372:57:097:022:38
7:38
0:00
Finish
26.22 mi13:05:083:04:407:037:31
7:23
-0:15

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

6:14 /mi

Average Pace

7:03 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:20

44% of race

Time at Steady Pace

1:18:24

42% of race

Time at Slower Pace

25:56

14% of race

Average Pace: 7:03 /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 mi10:20:1419:466:2219:46
6:22
#1667
10K
6.21 mi10:39:3739:096:1819:23
6:14
#1575
15K
9.32 mi10:59:0858:406:1819:31
6:17
#1564
20K
12.43 mi11:21:461:21:186:3322:38
7:17
#2687
Half
13.11 mi11:26:261:25:586:334:40
6:50
#2795
25K
15.53 mi11:43:261:42:586:3817:00
7:01
#3198
30K
18.64 mi12:05:302:05:026:4222:04
7:06
#3502
20M
20.00 mi12:16:272:15:596:4810:57
8:03
#4151
21M
21.00 mi12:24:052:23:376:507:38
7:38
#4214
35K
21.75 mi12:30:192:29:516:536:14
8:20
#4653
23M
23.00 mi12:39:422:39:146:559:23
7:30
#4739
24M
24.00 mi12:48:272:47:597:008:45
8:45
#5138
40K
24.85 mi12:54:592:54:317:016:32
7:38
#5174
25.2M
25.20 mi12:57:372:57:097:022:38
7:38
#5138
Finish
26.22 mi13:05:083:04:407:037:31
7:23
#5179
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1667158815881582(Top 6%)1510(Top 10%)1510(Top 67%)
10K6.21 mi3.10 mi1575+921503+851503+851512(Top 6%)1445(Top 10%)1445(Top 64%)
15K9.32 mi3.11 mi1564+111494+91494+91582(Top 6%)1510(Top 10%)1510(Top 67%)
20K12.43 mi3.11 mi2687-11232567-10732567-10737650(Top 29%)6653(Top 44%)6653(Top 295%)
Half13.11 mi0.68 mi2795-1082674-1072674-1075571(Top 21%)5131(Top 34%)5131(Top 228%)
25K15.53 mi2.42 mi3198-4033046-3723046-3725634(Top 21%)5166(Top 34%)5166(Top 229%)
30K18.64 mi3.11 mi3502-3043315-2693315-2694949(Top 19%)4553(Top 30%)4553(Top 202%)
20M20.00 mi1.36 mi4151-6493896-5813896-58110659(Top 40%)8070(Top 53%)8070(Top 358%)
21M21.00 mi1.00 mi4214-633945-493945-495257(Top 20%)4653(Top 31%)4653(Top 207%)
35K21.75 mi0.75 mi4653-4394333-3884333-38814224(Top 53%)9502(Top 63%)9502(Top 422%)
23M23.00 mi1.25 mi4739-864404-714404-716359(Top 24%)5409(Top 36%)5409(Top 240%)
24M24.00 mi1.00 mi5138-3994721-3174721-31715898(Top 60%)10116(Top 67%)10116(Top 449%)
40K24.85 mi0.85 mi5174-364745-244745-247511(Top 28%)5923(Top 39%)5923(Top 263%)
25.2M25.20 mi0.35 mi5138+364715+304715+304675(Top 18%)4030(Top 27%)4030(Top 179%)
Finish26.22 mi1.02 mi5179-414743-284743-287578(Top 28%)5907(Top 39%)5907(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1582

Males

1510

M45-49

1510

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1512

Males

1445

M45-49

1445

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1582

Males

1510

M45-49

1510

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7650

Males

6653

M45-49

6653

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5571

Males

5131

M45-49

5131

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5634

Males

5166

M45-49

5166

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

4949

Males

4553

M45-49

4553

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10659

Males

8070

M45-49

8070

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5257

Males

4653

M45-49

4653

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14224

Males

9502

M45-49

9502

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6359

Males

5409

M45-49

5409

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

15898

Males

10116

M45-49

10116

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7511

Males

5923

M45-49

5923

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4675

Males

4030

M45-49

4030

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7578

Males

5907

M45-49

5907

Passing Analysis

Category:
Athletes Passed
443
Passed By
3955
Net Change
-3512
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1667
5K → 10K13745+92#1667#1575
10K → 15K5847+11#1575#1564
15K → 20K31126-1123#1564#2687
20K → Half2110-108#2687#2795
Half → 25K8411-403#2795#3198
25K → 30K30334-304#3198#3502
30K → 20M3652-649#3502#4151
20M → 21M51114-63#4151#4214
21M → 35K3442-439#4214#4653
35K → 23M48134-86#4653#4739
23M → 24M5404-399#4739#5138
24M → 40K2864-36#5138#5174
40K → 25.2M415+36#5174#5138
25.2M → Finish2667-41#5138#5179
TOTALS4433955-3512
📊

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