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BOSTON MARATHON 2023

Alexander Perry

Bib: 1635•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:22
Rank: #1214
Start → 5K
19:22 | 6:14/mi
10K· 6.21 mi
38:48
Rank: #1360 (-146)
5K → 10K
19:26 | 6:15/mi
15K· 9.32 mi
58:18
Rank: #1399 (-39)
10K → 15K
19:30 | 6:17/mi
20K· 12.43 mi
1:17:52
Rank: #1365 (+34)
15K → 20K
19:34 | 6:18/mi
Half· 13.11 mi
1:22:08
Rank: #1372 (-7)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:37:24
Rank: #1349 (+23)
Half → 25K
15:16 | 6:18/mi
30K· 18.64 mi
1:57:19
Rank: #1318 (+31)
25K → 30K
19:55 | 6:25/mi
20M
2:06:04
Rank: #1308 (+10)
30K → 20M
8:45 | 6:26/mi
21M
2:12:56
Rank: #1310 (-2)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:17:33
Rank: #1288 (+22)
21M → 35K
4:37 | 6:10/mi
23M
2:25:35
Rank: #1250 (+38)
35K → 23M
8:02 | 6:25/mi
24M
2:31:48
Rank: #1221 (+29)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:37:14
Rank: #1201 (+20)
24M → 40K
5:26 | 6:21/mi
25.2M
2:39:34
Rank: #1199 (+2)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:45:46
Rank: #1175 (+24)
25.2M → Finish
6:12 | 6:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:08
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:23:38
Pace6:23 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4219:226:1419:22
6:14
-
10K
6.21 mi10:39:0838:486:1519:26
6:15
+0:01
15K
9.32 mi10:58:3858:186:1519:30
6:17
+0:02
20K
12.43 mi11:18:121:17:526:1619:34
6:18
+0:01
Half
13.11 mi11:22:281:22:086:164:16
6:15
-0:03
25K
15.53 mi11:37:441:37:246:1615:16
6:18
+0:03
30K
18.64 mi11:57:391:57:196:1819:55
6:25
+0:07
20M
20.00 mi12:06:242:06:046:188:45
6:26
+0:01
21M
21.00 mi12:13:162:12:566:206:52
6:52
+0:26
35K
21.75 mi12:17:532:17:336:194:37
6:10
-0:42
23M
23.00 mi12:25:552:25:356:208:02
6:25
+0:15
24M
24.00 mi12:32:082:31:486:206:13
6:13
-0:12
40K
24.85 mi12:37:342:37:146:205:26
6:21
+0:08
25.2M
25.20 mi12:39:542:39:346:202:20
6:46
+0:25
Finish
26.22 mi12:46:062:45:466:206:12
6:05
-0:41

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

6:05 /mi

Average Pace

6:20 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:34

94% of race

Time at Steady Pace

9:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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 mi10:19:4219:226:1419:22
6:14
#1214
10K
6.21 mi10:39:0838:486:1519:26
6:15
#1360
15K
9.32 mi10:58:3858:186:1519:30
6:17
#1399
20K
12.43 mi11:18:121:17:526:1619:34
6:18
#1365
Half
13.11 mi11:22:281:22:086:164:16
6:15
#1372
25K
15.53 mi11:37:441:37:246:1615:16
6:18
#1349
30K
18.64 mi11:57:391:57:196:1819:55
6:25
#1318
20M
20.00 mi12:06:242:06:046:188:45
6:26
#1308
21M
21.00 mi12:13:162:12:566:206:52
6:52
#1310
35K
21.75 mi12:17:532:17:336:194:37
6:10
#1288
23M
23.00 mi12:25:552:25:356:208:02
6:25
#1250
24M
24.00 mi12:32:082:31:486:206:13
6:13
#1221
40K
24.85 mi12:37:342:37:146:205:26
6:21
#1201
25.2M
25.20 mi12:39:542:39:346:202:20
6:46
#1199
Finish
26.22 mi12:46:062:45:466:206:12
6:05
#1175
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1214115111511546(Top 6%)1475(Top 10%)1475(Top 28%)
10K6.21 mi3.10 mi1360-1461294-1431294-1431574(Top 6%)1504(Top 10%)1504(Top 28%)
15K9.32 mi3.11 mi1399-391334-401334-401546(Top 6%)1475(Top 10%)1475(Top 28%)
20K12.43 mi3.11 mi1365+341299+351299+351365(Top 5%)1304(Top 9%)1304(Top 25%)
Half13.11 mi0.68 mi1372-71308-91308-91566(Top 6%)1501(Top 10%)1501(Top 28%)
25K15.53 mi2.42 mi1349+231287+211287+211324(Top 5%)1264(Top 8%)1264(Top 24%)
30K18.64 mi3.11 mi1318+311258+291258+291235(Top 5%)1179(Top 8%)1179(Top 22%)
20M20.00 mi1.36 mi1308+101250+81250+81241(Top 5%)1182(Top 8%)1182(Top 22%)
21M21.00 mi1.00 mi1310-2125012501626(Top 6%)1547(Top 10%)1547(Top 29%)
35K21.75 mi0.75 mi1288+221229+211229+211156(Top 4%)1100(Top 7%)1100(Top 21%)
23M23.00 mi1.25 mi1250+381193+361193+361146(Top 4%)1082(Top 7%)1082(Top 20%)
24M24.00 mi1.00 mi1221+291165+281165+281073(Top 4%)1015(Top 7%)1015(Top 19%)
40K24.85 mi0.85 mi1201+201145+201145+201052(Top 4%)995(Top 7%)995(Top 19%)
25.2M25.20 mi0.35 mi1199+21142+31142+31052(Top 4%)999(Top 7%)999(Top 19%)
Finish26.22 mi1.02 mi1175+241119+231119+23935(Top 4%)893(Top 6%)893(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1546

Males

1475

M18-39

1475

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1574

Males

1504

M18-39

1504

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1546

Males

1475

M18-39

1475

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1365

Males

1304

M18-39

1304

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1566

Males

1501

M18-39

1501

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1324

Males

1264

M18-39

1264

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1235

Males

1179

M18-39

1179

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1241

Males

1182

M18-39

1182

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1626

Males

1547

M18-39

1547

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1156

Males

1100

M18-39

1100

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1146

Males

1082

M18-39

1082

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1073

Males

1015

M18-39

1015

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1052

Males

995

M18-39

995

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1052

Males

999

M18-39

999

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

935

Males

893

M18-39

893

Passing Analysis

Category:
Athletes Passed
443
Passed By
404
Net Change
+39
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1214
5K → 10K27173-146#1214#1360
10K → 15K3675-39#1360#1399
15K → 20K5622+34#1399#1365
20K → Half815-7#1365#1372
Half → 25K4017+23#1372#1349
25K → 30K5625+31#1349#1318
30K → 20M2515+10#1318#1308
20M → 21M2527-2#1308#1310
21M → 35K264+22#1310#1288
35K → 23M424+38#1288#1250
23M → 24M378+29#1250#1221
24M → 40K244+20#1221#1201
40K → 25.2M97+2#1201#1199
25.2M → Finish328+24#1199#1175
TOTALS443404+39
📊

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