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BOSTON MARATHON 2023

Bayler Boydston

Bib: 5195•M

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0:00
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:15
Rank: #2358
Start → 5K
20:15 | 6:31/mi
10K· 6.21 mi
40:17
Rank: #2399 (-41)
5K → 10K
20:02 | 6:27/mi
15K· 9.32 mi
1:00:12
Rank: #2307 (+92)
10K → 15K
19:55 | 6:25/mi
20K· 12.43 mi
1:20:17
Rank: #2239 (+68)
15K → 20K
20:05 | 6:28/mi
Half· 13.11 mi
1:24:41
Rank: #2245 (-6)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:40:24
Rank: #2215 (+30)
Half → 25K
15:43 | 6:29/mi
30K· 18.64 mi
2:00:47
Rank: #2116 (+99)
25K → 30K
20:23 | 6:34/mi
20M
2:09:41
Rank: #2064 (+52)
30K → 20M
8:54 | 6:33/mi
21M
2:16:26
Rank: #1983 (+81)
20M → 21M
6:45 | 6:45/mi
35K· 21.75 mi
2:21:03
Rank: #1930 (+53)
21M → 35K
4:37 | 6:10/mi
23M
2:29:11
Rank: #1874 (+56)
35K → 23M
8:08 | 6:30/mi
24M
2:35:31
Rank: #1838 (+36)
23M → 24M
6:20 | 6:20/mi
40K· 24.85 mi
2:41:08
Rank: #1826 (+12)
24M → 40K
5:37 | 6:34/mi
25.2M
2:43:29
Rank: #1797 (+29)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:49:42
Rank: #1727 (+70)
25.2M → Finish
6:13 | 6:06/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:41
Pace6:28 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:01
Pace6:29 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4320:156:3120:15
6:31
-
10K
6.21 mi10:42:4540:176:2920:02
6:27
-0:04
15K
9.32 mi11:02:401:00:126:2819:55
6:25
-0:02
20K
12.43 mi11:22:451:20:176:2820:05
6:28
+0:03
Half
13.11 mi11:27:091:24:416:284:24
6:27
-0:01
25K
15.53 mi11:42:521:40:246:2815:43
6:29
+0:02
30K
18.64 mi12:03:152:00:476:2920:23
6:34
+0:05
20M
20.00 mi12:12:092:09:416:298:54
6:33
-0:01
21M
21.00 mi12:18:542:16:266:306:45
6:45
+0:12
35K
21.75 mi12:23:312:21:036:294:37
6:10
-0:35
23M
23.00 mi12:31:392:29:116:298:08
6:30
+0:20
24M
24.00 mi12:37:592:35:316:296:20
6:20
-0:10
40K
24.85 mi12:43:362:41:086:295:37
6:34
+0:14
25.2M
25.20 mi12:45:572:43:296:292:21
6:49
+0:15
Finish
26.22 mi12:52:102:49:426:296:13
6:06
-0:43

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

6:29 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:36

95% of race

Time at Steady Pace

9:06

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /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 mi10:22:4320:156:3120:15
6:31
#2358
10K
6.21 mi10:42:4540:176:2920:02
6:27
#2399
15K
9.32 mi11:02:401:00:126:2819:55
6:25
#2307
20K
12.43 mi11:22:451:20:176:2820:05
6:28
#2239
Half
13.11 mi11:27:091:24:416:284:24
6:27
#2245
25K
15.53 mi11:42:521:40:246:2815:43
6:29
#2215
30K
18.64 mi12:03:152:00:476:2920:23
6:34
#2116
20M
20.00 mi12:12:092:09:416:298:54
6:33
#2064
21M
21.00 mi12:18:542:16:266:306:45
6:45
#1983
35K
21.75 mi12:23:312:21:036:294:37
6:10
#1930
23M
23.00 mi12:31:392:29:116:298:08
6:30
#1874
24M
24.00 mi12:37:592:35:316:296:20
6:20
#1838
40K
24.85 mi12:43:362:41:086:295:37
6:34
#1826
25.2M
25.20 mi12:45:572:43:296:292:21
6:49
#1797
Finish
26.22 mi12:52:102:49:426:296:13
6:06
#1727
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2358224822482151(Top 8%)2064(Top 14%)2064(Top 39%)
10K6.21 mi3.10 mi2399-412290-422290-422473(Top 9%)2364(Top 16%)2364(Top 45%)
15K9.32 mi3.11 mi2307+922209+812209+812151(Top 8%)2064(Top 14%)2064(Top 39%)
20K12.43 mi3.11 mi2239+682144+652144+652090(Top 8%)2005(Top 13%)2005(Top 38%)
Half13.11 mi0.68 mi2245-62151-72151-72433(Top 9%)2332(Top 15%)2332(Top 44%)
25K15.53 mi2.42 mi2215+302123+282123+282075(Top 8%)1989(Top 13%)1989(Top 38%)
30K18.64 mi3.11 mi2116+992029+942029+941799(Top 7%)1722(Top 11%)1722(Top 33%)
20M20.00 mi1.36 mi2064+521979+501979+501634(Top 6%)1558(Top 10%)1558(Top 29%)
21M21.00 mi1.00 mi1983+811899+801899+801263(Top 5%)1205(Top 8%)1205(Top 23%)
35K21.75 mi0.75 mi1930+531848+511848+511176(Top 4%)1120(Top 7%)1120(Top 21%)
23M23.00 mi1.25 mi1874+561794+541794+541407(Top 5%)1335(Top 9%)1335(Top 25%)
24M24.00 mi1.00 mi1838+361758+361758+361443(Top 5%)1366(Top 9%)1366(Top 26%)
40K24.85 mi0.85 mi1826+121748+101748+101781(Top 7%)1676(Top 11%)1676(Top 32%)
25.2M25.20 mi0.35 mi1797+291718+301718+301207(Top 5%)1146(Top 8%)1146(Top 22%)
Finish26.22 mi1.02 mi1727+701651+671651+67988(Top 4%)942(Top 6%)942(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2151

Males

2064

M18-39

2064

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2473

Males

2364

M18-39

2364

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2151

Males

2064

M18-39

2064

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2090

Males

2005

M18-39

2005

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2433

Males

2332

M18-39

2332

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2075

Males

1989

M18-39

1989

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1799

Males

1722

M18-39

1722

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1634

Males

1558

M18-39

1558

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1263

Males

1205

M18-39

1205

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1176

Males

1120

M18-39

1120

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1407

Males

1335

M18-39

1335

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1443

Males

1366

M18-39

1366

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1781

Males

1676

M18-39

1676

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1207

Males

1146

M18-39

1146

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

988

Males

942

M18-39

942

Passing Analysis

Category:
Athletes Passed
981
Passed By
350
Net Change
+631
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2358
5K → 10K113154-41#2358#2399
10K → 15K13139+92#2399#2307
15K → 20K10133+68#2307#2239
20K → Half814-6#2239#2245
Half → 25K5828+30#2245#2215
25K → 30K12324+99#2215#2116
30K → 20M6311+52#2116#2064
20M → 21M843+81#2064#1983
21M → 35K563+53#1983#1930
35K → 23M615+56#1930#1874
23M → 24M459+36#1874#1838
24M → 40K3018+12#1838#1826
40K → 25.2M345+29#1826#1797
25.2M → Finish744+70#1797#1727
TOTALS981350+631
📊

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