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BOSTON MARATHON 2023

Stephen Bailey

Bib: 3511•M

TN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Division (M18-39)
#0 / 5285
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:15
Rank: #2355
Start → 5K
20:15 | 6:31/mi
10K· 6.21 mi
39:38
Rank: #1890 (+465)
5K → 10K
19:23 | 6:14/mi
15K· 9.32 mi
59:12
Rank: #1797 (+93)
10K → 15K
19:34 | 6:18/mi
20K· 12.43 mi
1:19:07
Rank: #1784 (+13)
15K → 20K
19:55 | 6:25/mi
Half· 13.11 mi
1:23:28
Rank: #1805 (-21)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:39:10
Rank: #1825 (-20)
Half → 25K
15:42 | 6:29/mi
30K· 18.64 mi
1:59:34
Rank: #1797 (+28)
25K → 30K
20:24 | 6:34/mi
20M
2:08:22
Rank: #1739 (+58)
30K → 20M
8:48 | 6:29/mi
21M
2:15:14
Rank: #1723 (+16)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:19:53
Rank: #1689 (+34)
21M → 35K
4:39 | 6:13/mi
23M
2:28:04
Rank: #1673 (+16)
35K → 23M
8:11 | 6:32/mi
24M
2:34:23
Rank: #1634 (+39)
23M → 24M
6:19 | 6:19/mi
40K· 24.85 mi
2:39:53
Rank: #1601 (+33)
24M → 40K
5:30 | 6:26/mi
25.2M
2:42:10
Rank: #1576 (+25)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:48:37
Rank: #1559 (+17)
25.2M → Finish
6:27 | 6:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:28
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:25:09
Pace6:30 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3520:156:3120:15
6:31
-
10K
6.21 mi10:40:5839:386:2319:23
6:14
-0:17
15K
9.32 mi11:00:3259:126:2119:34
6:18
+0:04
20K
12.43 mi11:20:271:19:076:2219:55
6:25
+0:07
Half
13.11 mi11:24:481:23:286:224:21
6:23
-0:02
25K
15.53 mi11:40:301:39:106:2315:42
6:29
+0:06
30K
18.64 mi12:00:541:59:346:2520:24
6:34
+0:05
20M
20.00 mi12:09:422:08:226:258:48
6:29
-0:05
21M
21.00 mi12:16:342:15:146:266:52
6:52
+0:23
35K
21.75 mi12:21:132:19:536:264:39
6:13
-0:39
23M
23.00 mi12:29:242:28:046:268:11
6:32
+0:19
24M
24.00 mi12:35:432:34:236:266:19
6:19
-0:13
40K
24.85 mi12:41:132:39:536:265:30
6:26
+0:07
25.2M
25.20 mi12:43:302:42:106:262:17
6:37
+0:11
Finish
26.22 mi12:49:572:48:376:266:27
6:20
-0:17

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

6:13 /mi

Average Pace

6:26 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:45

96% of race

Time at Steady Pace

6:52

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:26 /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 mi10:21:3520:156:3120:15
6:31
#2355
10K
6.21 mi10:40:5839:386:2319:23
6:14
#1890
15K
9.32 mi11:00:3259:126:2119:34
6:18
#1797
20K
12.43 mi11:20:271:19:076:2219:55
6:25
#1784
Half
13.11 mi11:24:481:23:286:224:21
6:23
#1805
25K
15.53 mi11:40:301:39:106:2315:42
6:29
#1825
30K
18.64 mi12:00:541:59:346:2520:24
6:34
#1797
20M
20.00 mi12:09:422:08:226:258:48
6:29
#1739
21M
21.00 mi12:16:342:15:146:266:52
6:52
#1723
35K
21.75 mi12:21:132:19:536:264:39
6:13
#1689
23M
23.00 mi12:29:242:28:046:268:11
6:32
#1673
24M
24.00 mi12:35:432:34:236:266:19
6:19
#1634
40K
24.85 mi12:41:132:39:536:265:30
6:26
#1601
25.2M
25.20 mi12:43:302:42:106:262:17
6:37
#1576
Finish
26.22 mi12:49:572:48:376:266:27
6:20
#1559
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2355224522451642(Top 6%)1568(Top 10%)1568(Top 30%)
10K6.21 mi3.10 mi1890+4651810+4351810+4351503(Top 6%)1436(Top 9%)1436(Top 27%)
15K9.32 mi3.11 mi1797+931718+921718+921642(Top 6%)1568(Top 10%)1568(Top 30%)
20K12.43 mi3.11 mi1784+131707+111707+111835(Top 7%)1758(Top 12%)1758(Top 33%)
Half13.11 mi0.68 mi1805-211727-201727-202064(Top 8%)1980(Top 13%)1980(Top 37%)
25K15.53 mi2.42 mi1825-201745-181745-182038(Top 8%)1952(Top 13%)1952(Top 37%)
30K18.64 mi3.11 mi1797+281720+251720+251817(Top 7%)1740(Top 11%)1740(Top 33%)
20M20.00 mi1.36 mi1739+581663+571663+571361(Top 5%)1298(Top 9%)1298(Top 25%)
21M21.00 mi1.00 mi1723+161649+141649+141636(Top 6%)1557(Top 10%)1557(Top 29%)
35K21.75 mi0.75 mi1689+341616+331616+331301(Top 5%)1238(Top 8%)1238(Top 23%)
23M23.00 mi1.25 mi1673+161600+161600+161551(Top 6%)1473(Top 10%)1473(Top 28%)
24M24.00 mi1.00 mi1634+391563+371563+371382(Top 5%)1308(Top 9%)1308(Top 25%)
40K24.85 mi0.85 mi1601+331530+331530+331317(Top 5%)1244(Top 8%)1244(Top 24%)
25.2M25.20 mi0.35 mi1576+251506+241506+24737(Top 3%)702(Top 5%)702(Top 13%)
Finish26.22 mi1.02 mi1559+171491+151491+151727(Top 6%)1623(Top 11%)1623(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1642

Males

1568

M18-39

1568

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1503

Males

1436

M18-39

1436

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1642

Males

1568

M18-39

1568

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1835

Males

1758

M18-39

1758

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2064

Males

1980

M18-39

1980

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2038

Males

1952

M18-39

1952

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1817

Males

1740

M18-39

1740

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1361

Males

1298

M18-39

1298

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1636

Males

1557

M18-39

1557

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1301

Males

1238

M18-39

1238

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1551

Males

1473

M18-39

1473

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1382

Males

1308

M18-39

1308

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1317

Males

1244

M18-39

1244

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

737

Males

702

M18-39

702

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1727

Males

1623

M18-39

1623

Passing Analysis

Category:
Athletes Passed
1057
Passed By
261
Net Change
+796
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2355
5K → 10K4694+465#2355#1890
10K → 15K12431+93#1890#1797
15K → 20K5643+13#1797#1784
20K → Half425-21#1784#1805
Half → 25K2646-20#1805#1825
25K → 30K6941+28#1825#1797
30K → 20M624+58#1797#1739
20M → 21M3115+16#1739#1723
21M → 35K373+34#1723#1689
35K → 23M4024+16#1689#1673
23M → 24M489+39#1673#1634
24M → 40K374+33#1634#1601
40K → 25.2M250+25#1601#1576
25.2M → Finish2912+17#1576#1559
TOTALS1057261+796
📊

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