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BOSTON MARATHON 2023

Dustin Baker

Bib: 4435•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M50-54)
#0 / 2052
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:41
Rank: #3281
Start → 5K
20:41 | 6:39/mi
10K· 6.21 mi
40:55
Rank: #3036 (+245)
5K → 10K
20:14 | 6:31/mi
15K· 9.32 mi
1:01:10
Rank: #2915 (+121)
10K → 15K
20:15 | 6:31/mi
20K· 12.43 mi
1:21:40
Rank: #2875 (+40)
15K → 20K
20:30 | 6:36/mi
Half· 13.11 mi
1:26:06
Rank: #2865 (+10)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:42:09
Rank: #2834 (+31)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:03:22
Rank: #2841 (-7)
25K → 30K
21:13 | 6:50/mi
20M
2:12:28
Rank: #2763 (+78)
30K → 20M
9:06 | 6:42/mi
21M
2:19:30
Rank: #2699 (+64)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:24:18
Rank: #2651 (+48)
21M → 35K
4:48 | 6:25/mi
23M
2:32:45
Rank: #2596 (+55)
35K → 23M
8:27 | 6:45/mi
24M
2:39:12
Rank: #2529 (+67)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:44:48
Rank: #2473 (+56)
24M → 40K
5:36 | 6:33/mi
25.2M
2:47:15
Rank: #2455 (+18)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:53:56
Rank: #2452 (+3)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:06
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:27:50
Pace6:42 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4520:416:3920:41
6:39
-
10K
6.21 mi10:42:5940:556:3520:14
6:31
-0:08
15K
9.32 mi11:03:141:01:106:3420:15
6:31
0:00
20K
12.43 mi11:23:441:21:406:3420:30
6:36
+0:05
Half
13.11 mi11:28:101:26:066:344:26
6:30
-0:06
25K
15.53 mi11:44:131:42:096:3516:03
6:37
+0:07
30K
18.64 mi12:05:262:03:226:3721:13
6:50
+0:13
20M
20.00 mi12:14:322:12:286:379:06
6:42
-0:08
21M
21.00 mi12:21:342:19:306:397:02
7:02
+0:20
35K
21.75 mi12:26:222:24:186:384:48
6:25
-0:37
23M
23.00 mi12:34:492:32:456:388:27
6:45
+0:20
24M
24.00 mi12:41:162:39:126:386:27
6:27
-0:18
40K
24.85 mi12:46:522:44:486:385:36
6:33
+0:06
25.2M
25.20 mi12:49:192:47:156:382:27
7:06
+0:33
Finish
26.22 mi12:56:002:53:566:386:41
6:34
-0:32

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

6:25 /mi

Average Pace

6:38 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:29

99% of race

Time at Steady Pace

2:27

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:22:4520:416:3920:41
6:39
#3281
10K
6.21 mi10:42:5940:556:3520:14
6:31
#3036
15K
9.32 mi11:03:141:01:106:3420:15
6:31
#2915
20K
12.43 mi11:23:441:21:406:3420:30
6:36
#2875
Half
13.11 mi11:28:101:26:066:344:26
6:30
#2865
25K
15.53 mi11:44:131:42:096:3516:03
6:37
#2834
30K
18.64 mi12:05:262:03:226:3721:13
6:50
#2841
20M
20.00 mi12:14:322:12:286:379:06
6:42
#2763
21M
21.00 mi12:21:342:19:306:397:02
7:02
#2699
35K
21.75 mi12:26:222:24:186:384:48
6:25
#2651
23M
23.00 mi12:34:492:32:456:388:27
6:45
#2596
24M
24.00 mi12:41:162:39:126:386:27
6:27
#2529
40K
24.85 mi12:46:522:44:486:385:36
6:33
#2473
25.2M
25.20 mi12:49:192:47:156:382:27
7:06
#2455
Finish
26.22 mi12:56:002:53:566:386:41
6:34
#2452
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi3281309930992736(Top 10%)2613(Top 17%)2613(Top 127%)
10K6.21 mi3.10 mi3036+2452891+2082891+2082862(Top 11%)2734(Top 18%)2734(Top 133%)
15K9.32 mi3.11 mi2915+1212779+1122779+1122736(Top 10%)2613(Top 17%)2613(Top 127%)
20K12.43 mi3.11 mi2875+402745+342745+342819(Top 11%)2693(Top 18%)2693(Top 131%)
Half13.11 mi0.68 mi2865+102736+92736+92752(Top 10%)2636(Top 17%)2636(Top 128%)
25K15.53 mi2.42 mi2834+312709+272709+272807(Top 11%)2683(Top 18%)2683(Top 131%)
30K18.64 mi3.11 mi2841-72716-72716-73163(Top 12%)2979(Top 20%)2979(Top 145%)
20M20.00 mi1.36 mi2763+782639+772639+772261(Top 8%)2150(Top 14%)2150(Top 105%)
21M21.00 mi1.00 mi2699+642579+602579+602288(Top 9%)2161(Top 14%)2161(Top 105%)
35K21.75 mi0.75 mi2651+482534+452534+452046(Top 8%)1944(Top 13%)1944(Top 95%)
23M23.00 mi1.25 mi2596+552482+522482+522381(Top 9%)2238(Top 15%)2238(Top 109%)
24M24.00 mi1.00 mi2529+672417+652417+651901(Top 7%)1787(Top 12%)1787(Top 87%)
40K24.85 mi0.85 mi2473+562363+542363+541740(Top 7%)1638(Top 11%)1638(Top 80%)
25.2M25.20 mi0.35 mi2455+182344+192344+192121(Top 8%)1977(Top 13%)1977(Top 96%)
Finish26.22 mi1.02 mi2452+32343+12343+12742(Top 10%)2500(Top 16%)2500(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2736

Males

2613

M50-54

2613

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2862

Males

2734

M50-54

2734

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2736

Males

2613

M50-54

2613

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2819

Males

2693

M50-54

2693

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2752

Males

2636

M50-54

2636

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2807

Males

2683

M50-54

2683

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3163

Males

2979

M50-54

2979

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2261

Males

2150

M50-54

2150

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2288

Males

2161

M50-54

2161

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2046

Males

1944

M50-54

1944

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2381

Males

2238

M50-54

2238

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1901

Males

1787

M50-54

1787

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1740

Males

1638

M50-54

1638

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2121

Males

1977

M50-54

1977

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2742

Males

2500

M50-54

2500

Passing Analysis

Category:
Athletes Passed
1220
Passed By
391
Net Change
+829
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3281
5K → 10K30762+245#3281#3036
10K → 15K17049+121#3036#2915
15K → 20K9151+40#2915#2875
20K → Half177+10#2875#2865
Half → 25K7645+31#2865#2834
25K → 30K7380-7#2834#2841
30K → 20M813+78#2841#2763
20M → 21M7915+64#2763#2699
21M → 35K524+48#2699#2651
35K → 23M7318+55#2651#2596
23M → 24M725+67#2596#2529
24M → 40K6610+56#2529#2473
40K → 25.2M246+18#2473#2455
25.2M → Finish3936+3#2455#2452
TOTALS1220391+829
📊

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