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BOSTON MARATHON 2023

Alexander Grout

Bib: 524•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:53
Rank: #338
Start → 5K
5:45/mi
17:53 split
10K· 6.21 mi
35:35
Rank: #333 (+5)
5K → 10K
5:42/mi
17:42 split
15K· 9.32 mi
53:34
Rank: #335 (-2)
10K → 15K
5:47/mi
17:59 split
20K· 12.43 mi
1:11:46
Rank: #331 (+4)
15K → 20K
5:51/mi
18:12 split
Half· 13.11 mi
1:15:43
Rank: #330 (+1)
20K → Half
5:47/mi
3:57 split
25K· 15.53 mi
1:29:57
Rank: #335 (-5)
Half → 25K
5:52/mi
14:14 split
30K· 18.64 mi
1:48:41
Rank: #334 (+1)
25K → 30K
6:02/mi
18:44 split
20M
1:57:09
Rank: #347 (-13)
30K → 20M
6:14/mi
8:28 split
21M
2:03:44
Rank: #358 (-11)
20M → 21M
6:35/mi
6:35 split
35K· 21.75 mi
2:08:16
Rank: #369 (-11)
21M → 35K
6:04/mi
4:32 split
23M
2:22:07
Rank: #830 (-461)
35K → 23M
11:04/mi
13:51 split
24M
2:28:43
Rank: #861 (-31)
23M → 24M
6:36/mi
6:36 split
40K· 24.85 mi
2:34:22
Rank: #871 (-10)
24M → 40K
6:36/mi
5:39 split
25.2M
2:36:48
Rank: #875 (-4)
40K → 25.2M
7:03/mi
2:26 split
Finish· 26.22 mi
2:42:50
Rank: #842 (+33)
25.2M → Finish
5:55/mi
6:02 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:43
Pace5:47 /mi
2nd Half
Distance13.11 mi
Time1:27:07
Pace6:39 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0417:535:4517:53
5:45
-
10K
6.21 mi10:35:4635:355:4417:42
5:42
-0:03
15K
9.32 mi10:53:4553:345:4517:59
5:47
+0:05
20K
12.43 mi11:11:571:11:465:4618:12
5:51
+0:04
Half
13.11 mi11:15:541:15:435:473:57
5:47
-0:04
25K
15.53 mi11:30:081:29:575:4714:14
5:52
+0:05
30K
18.64 mi11:48:521:48:415:5018:44
6:02
+0:10
20M
20.00 mi11:57:201:57:095:518:28
6:14
+0:12
21M
21.00 mi12:03:552:03:445:546:35
6:35
+0:21
35K
21.75 mi12:08:272:08:165:544:32
6:04
-0:31
23M
23.00 mi12:22:182:22:076:1113:51
11:04
+5:00
24M
24.00 mi12:28:542:28:436:126:36
6:36
-4:28
40K
24.85 mi12:34:332:34:226:135:39
6:36
0:00
25.2M
25.20 mi12:36:592:36:486:132:26
7:03
+0:27
Finish
26.22 mi12:43:012:42:506:136:02
5:55
-1:08

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

5:42 /mi

Average Pace

6:13 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:26:33

90% of race

Time at Slower Pace

16:17

10% of race

Average Pace: 6:13 /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 mi10:18:0417:535:4517:53
5:45
#338
10K
6.21 mi10:35:4635:355:4417:42
5:42
#333
15K
9.32 mi10:53:4553:345:4517:59
5:47
#335
20K
12.43 mi11:11:571:11:465:4618:12
5:51
#331
Half
13.11 mi11:15:541:15:435:473:57
5:47
#330
25K
15.53 mi11:30:081:29:575:4714:14
5:52
#335
30K
18.64 mi11:48:521:48:415:5018:44
6:02
#334
20M
20.00 mi11:57:201:57:095:518:28
6:14
#347
21M
21.00 mi12:03:552:03:445:546:35
6:35
#358
35K
21.75 mi12:08:272:08:165:544:32
6:04
#369
23M
23.00 mi12:22:182:22:076:1113:51
11:04
#830
24M
24.00 mi12:28:542:28:436:126:36
6:36
#861
40K
24.85 mi12:34:332:34:226:135:39
6:36
#871
25.2M
25.20 mi12:36:592:36:486:132:26
7:03
#875
Finish
26.22 mi12:43:012:42:506:136:02
5:55
#842
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi338310310358(Top 1%)325(Top 2%)325(Top 6%)
10K6.21 mi3.10 mi333+5299+11299+11304(Top 1%)271(Top 2%)271(Top 5%)
15K9.32 mi3.11 mi335-2302-3302-3358(Top 1%)325(Top 2%)325(Top 6%)
20K12.43 mi3.11 mi331+4299+3299+3370(Top 1%)337(Top 2%)337(Top 6%)
Half13.11 mi0.68 mi330+1298+1298+1396(Top 1%)367(Top 2%)367(Top 7%)
25K15.53 mi2.42 mi335-5303-5303-5355(Top 1%)327(Top 2%)327(Top 6%)
30K18.64 mi3.11 mi334+1302+1302+1406(Top 2%)375(Top 2%)375(Top 7%)
20M20.00 mi1.36 mi347-13315-13315-13719(Top 3%)680(Top 4%)680(Top 13%)
21M21.00 mi1.00 mi358-11326-11326-11827(Top 3%)783(Top 5%)783(Top 15%)
35K21.75 mi0.75 mi369-11337-11337-11812(Top 3%)769(Top 5%)769(Top 15%)
23M23.00 mi1.25 mi830-461785-448785-44822439(Top 84%)13125(Top 86%)13125(Top 248%)
24M24.00 mi1.00 mi861-31815-30815-302522(Top 9%)2350(Top 15%)2350(Top 44%)
40K24.85 mi0.85 mi871-10824-9824-91920(Top 7%)1802(Top 12%)1802(Top 34%)
25.2M25.20 mi0.35 mi875-4829-5829-51863(Top 7%)1746(Top 12%)1746(Top 33%)
Finish26.22 mi1.02 mi842+33797+32797+32567(Top 2%)538(Top 4%)538(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

358

Males

325

M18-39

325

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

304

Males

271

M18-39

271

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

358

Males

325

M18-39

325

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

370

Males

337

M18-39

337

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

396

Males

367

M18-39

367

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

355

Males

327

M18-39

327

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

406

Males

375

M18-39

375

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

719

Males

680

M18-39

680

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

827

Males

783

M18-39

783

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

812

Males

769

M18-39

769

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22439

Males

13125

M18-39

13125

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2522

Males

2350

M18-39

2350

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1920

Males

1802

M18-39

1802

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1863

Males

1746

M18-39

1746

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

567

Males

538

M18-39

538

Passing Analysis

Category:
Athletes Passed
123
Passed By
627
Net Change
-504
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#338
5K → 10K2015+5#338#333
10K → 15K810-2#333#335
15K → 20K117+4#335#331
20K → Half32+1#331#330
Half → 25K813-5#330#335
25K → 30K1211+1#335#334
30K → 20M316-13#334#347
20M → 21M516-11#347#358
21M → 35K112-11#358#369
35K → 23M0461-461#369#830
23M → 24M536-31#830#861
24M → 40K717-10#861#871
40K → 25.2M59-4#871#875
25.2M → Finish352+33#875#842
TOTALS123627-504
📊

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