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BOSTON MARATHON 2023

Samuel Dever

Bib: 1273•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:22
Rank: #1215
Start → 5K
19:22 | 6:14/mi
10K· 6.21 mi
38:56
Rank: #1437 (-222)
5K → 10K
19:34 | 6:18/mi
15K· 9.32 mi
58:23
Rank: #1431 (+6)
10K → 15K
19:27 | 6:16/mi
20K· 12.43 mi
1:18:02
Rank: #1419 (+12)
15K → 20K
19:39 | 6:19/mi
Half· 13.11 mi
1:22:16
Rank: #1413 (+6)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:37:39
Rank: #1415 (-2)
Half → 25K
15:23 | 6:21/mi
30K· 18.64 mi
1:57:53
Rank: #1435 (-20)
25K → 30K
20:14 | 6:31/mi
20M
2:06:50
Rank: #1447 (-12)
30K → 20M
8:57 | 6:35/mi
21M
2:13:43
Rank: #1447
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:18:30
Rank: #1457 (-10)
21M → 35K
4:47 | 6:24/mi
23M
2:26:36
Rank: #1426 (+31)
35K → 23M
8:06 | 6:28/mi
24M
2:32:51
Rank: #1391 (+35)
23M → 24M
6:15 | 6:15/mi
40K· 24.85 mi
2:38:14
Rank: #1350 (+41)
24M → 40K
5:23 | 6:18/mi
25.2M
2:40:34
Rank: #1334 (+16)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:46:47
Rank: #1292 (+42)
25.2M → Finish
6:13 | 6:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:16
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:24:31
Pace6:27 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4919:226:1419:22
6:14
-
10K
6.21 mi10:39:2338:566:1619:34
6:18
+0:04
15K
9.32 mi10:58:5058:236:1619:27
6:16
-0:02
20K
12.43 mi11:18:291:18:026:1719:39
6:19
+0:03
Half
13.11 mi11:22:431:22:166:174:14
6:12
-0:07
25K
15.53 mi11:38:061:37:396:1715:23
6:21
+0:09
30K
18.64 mi11:58:201:57:536:1920:14
6:31
+0:10
20M
20.00 mi12:07:172:06:506:208:57
6:35
+0:04
21M
21.00 mi12:14:102:13:436:226:53
6:53
+0:18
35K
21.75 mi12:18:572:18:306:224:47
6:24
-0:29
23M
23.00 mi12:27:032:26:366:228:06
6:28
+0:04
24M
24.00 mi12:33:182:32:516:226:15
6:15
-0:13
40K
24.85 mi12:38:412:38:146:225:23
6:18
+0:03
25.2M
25.20 mi12:41:012:40:346:222:20
6:46
+0:28
Finish
26.22 mi12:47:142:46:476:226:13
6:06
-0:40

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

6:06 /mi

Average Pace

6:22 /mi

Slowest Pace

6:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:34

94% of race

Time at Steady Pace

9:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:19:4919:226:1419:22
6:14
#1215
10K
6.21 mi10:39:2338:566:1619:34
6:18
#1437
15K
9.32 mi10:58:5058:236:1619:27
6:16
#1431
20K
12.43 mi11:18:291:18:026:1719:39
6:19
#1419
Half
13.11 mi11:22:431:22:166:174:14
6:12
#1413
25K
15.53 mi11:38:061:37:396:1715:23
6:21
#1415
30K
18.64 mi11:58:201:57:536:1920:14
6:31
#1435
20M
20.00 mi12:07:172:06:506:208:57
6:35
#1447
21M
21.00 mi12:14:102:13:436:226:53
6:53
#1447
35K
21.75 mi12:18:572:18:306:224:47
6:24
#1457
23M
23.00 mi12:27:032:26:366:228:06
6:28
#1426
24M
24.00 mi12:33:182:32:516:226:15
6:15
#1391
40K
24.85 mi12:38:412:38:146:225:23
6:18
#1350
25.2M
25.20 mi12:41:012:40:346:222:20
6:46
#1334
Finish
26.22 mi12:47:142:46:476:226:13
6:06
#1292
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1215115211521465(Top 6%)1398(Top 9%)1398(Top 26%)
10K6.21 mi3.10 mi1437-2221370-2181370-2181763(Top 7%)1686(Top 11%)1686(Top 32%)
15K9.32 mi3.11 mi1431+61366+41366+41465(Top 6%)1398(Top 9%)1398(Top 26%)
20K12.43 mi3.11 mi1419+121353+131353+131494(Top 6%)1428(Top 9%)1428(Top 27%)
Half13.11 mi0.68 mi1413+61347+61347+61376(Top 5%)1316(Top 9%)1316(Top 25%)
25K15.53 mi2.42 mi1415-21352-51352-51497(Top 6%)1433(Top 9%)1433(Top 27%)
30K18.64 mi3.11 mi1435-201371-191371-191594(Top 6%)1524(Top 10%)1524(Top 29%)
20M20.00 mi1.36 mi1447-121383-121383-121778(Top 7%)1694(Top 11%)1694(Top 32%)
21M21.00 mi1.00 mi1447138313831684(Top 6%)1600(Top 11%)1600(Top 30%)
35K21.75 mi0.75 mi1457-101392-91392-91916(Top 7%)1820(Top 12%)1820(Top 34%)
23M23.00 mi1.25 mi1426+311360+321360+321319(Top 5%)1250(Top 8%)1250(Top 24%)
24M24.00 mi1.00 mi1391+351327+331327+331192(Top 4%)1129(Top 7%)1129(Top 21%)
40K24.85 mi0.85 mi1350+411287+401287+40890(Top 3%)843(Top 6%)843(Top 16%)
25.2M25.20 mi0.35 mi1334+161270+171270+171057(Top 4%)1004(Top 7%)1004(Top 19%)
Finish26.22 mi1.02 mi1292+421231+391231+39978(Top 4%)932(Top 6%)932(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1465

Males

1398

M18-39

1398

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1763

Males

1686

M18-39

1686

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1465

Males

1398

M18-39

1398

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1494

Males

1428

M18-39

1428

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1376

Males

1316

M18-39

1316

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1497

Males

1433

M18-39

1433

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1594

Males

1524

M18-39

1524

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1778

Males

1694

M18-39

1694

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1684

Males

1600

M18-39

1600

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1916

Males

1820

M18-39

1820

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1319

Males

1250

M18-39

1250

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1192

Males

1129

M18-39

1129

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

890

Males

843

M18-39

843

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1057

Males

1004

M18-39

1004

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

978

Males

932

M18-39

932

Passing Analysis

Category:
Athletes Passed
451
Passed By
528
Net Change
-77
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1215
5K → 10K20242-222#1215#1437
10K → 15K4842+6#1437#1431
15K → 20K5038+12#1431#1419
20K → Half104+6#1419#1413
Half → 25K3436-2#1413#1415
25K → 30K4060-20#1415#1435
30K → 20M1628-12#1435#1447
20M → 21M24240#1447#1447
21M → 35K1121-10#1447#1457
35K → 23M4413+31#1457#1426
23M → 24M416+35#1426#1391
24M → 40K443+41#1391#1350
40K → 25.2M182+16#1350#1334
25.2M → Finish519+42#1334#1292
TOTALS451528-77
📊

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