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BOSTON MARATHON 2023

Daniel Herron

Bib: 15464•M

WA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:13
Rank: #14827
Start → 5K
25:13 | 8:07/mi
10K· 6.21 mi
50:24
Rank: #15195 (-368)
5K → 10K
25:11 | 8:06/mi
15K· 9.32 mi
1:16:03
Rank: #15537 (-342)
10K → 15K
25:39 | 8:15/mi
20K· 12.43 mi
1:42:22
Rank: #15827 (-290)
15K → 20K
26:19 | 8:28/mi
Half· 13.11 mi
1:48:01
Rank: #15849 (-22)
20K → Half
5:39 | 8:17/mi
25K· 15.53 mi
2:09:07
Rank: #16112 (-263)
Half → 25K
21:06 | 8:42/mi
30K· 18.64 mi
2:38:30
Rank: #16796 (-684)
25K → 30K
29:23 | 9:27/mi
20M
2:51:14
Rank: #16909 (-113)
30K → 20M
12:44 | 9:22/mi
21M
3:01:21
Rank: #16997 (-88)
20M → 21M
10:07 | 10:07/mi
35K· 21.75 mi
3:08:09
Rank: #17063 (-66)
21M → 35K
6:48 | 9:05/mi
23M
3:20:12
Rank: #17194 (-131)
35K → 23M
12:03 | 9:37/mi
24M
3:29:37
Rank: #17309 (-115)
23M → 24M
9:25 | 9:25/mi
40K· 24.85 mi
3:37:53
Rank: #17399 (-90)
24M → 40K
8:16 | 9:40/mi
25.2M
3:41:31
Rank: #17449 (-50)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:51:14
Rank: #17612 (-163)
25.2M → Finish
9:43 | 9:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:01
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time2:03:13
Pace9:24 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5825:138:0725:13
8:07
-
10K
6.21 mi11:20:0950:248:0725:11
8:06
-0:01
15K
9.32 mi11:45:481:16:038:1025:39
8:15
+0:09
20K
12.43 mi12:12:071:42:228:1426:19
8:28
+0:13
Half
13.11 mi12:17:461:48:018:145:39
8:17
-0:11
25K
15.53 mi12:38:522:09:078:1921:06
8:42
+0:25
30K
18.64 mi13:08:152:38:308:3029:23
9:27
+0:45
20M
20.00 mi13:20:592:51:148:3412:44
9:22
-0:05
21M
21.00 mi13:31:063:01:218:3810:07
10:07
+0:45
35K
21.75 mi13:37:543:08:098:396:48
9:05
-1:02
23M
23.00 mi13:49:573:20:128:4212:03
9:37
+0:32
24M
24.00 mi13:59:223:29:378:449:25
9:25
-0:12
40K
24.85 mi14:07:383:37:538:468:16
9:40
+0:15
25.2M
25.20 mi14:11:163:41:318:473:38
10:32
+0:52
Finish
26.22 mi14:20:593:51:148:509:43
9:32
-1:00

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

8:06 /mi

Average Pace

8:50 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:07

56% of race

Time at Steady Pace

1:28:22

38% of race

Time at Slower Pace

13:45

6% of race

Average Pace: 8:49 /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 mi10:54:5825:138:0725:13
8:07
#14827
10K
6.21 mi11:20:0950:248:0725:11
8:06
#15195
15K
9.32 mi11:45:481:16:038:1025:39
8:15
#15537
20K
12.43 mi12:12:071:42:228:1426:19
8:28
#15827
Half
13.11 mi12:17:461:48:018:145:39
8:17
#15849
25K
15.53 mi12:38:522:09:078:1921:06
8:42
#16112
30K
18.64 mi13:08:152:38:308:3029:23
9:27
#16796
20M
20.00 mi13:20:592:51:148:3412:44
9:22
#16909
21M
21.00 mi13:31:063:01:218:3810:07
10:07
#16997
35K
21.75 mi13:37:543:08:098:396:48
9:05
#17063
23M
23.00 mi13:49:573:20:128:4212:03
9:37
#17194
24M
24.00 mi13:59:223:29:378:449:25
9:25
#17309
40K
24.85 mi14:07:383:37:538:468:16
9:40
#17399
25.2M
25.20 mi14:11:163:41:318:473:38
10:32
#17449
Finish
26.22 mi14:20:593:51:148:509:43
9:32
#17612
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi14827102781027816251(Top 61%)10792(Top 71%)10792(Top 526%)
10K6.21 mi3.10 mi15195-36810410-13210410-13215546(Top 58%)10547(Top 69%)10547(Top 514%)
15K9.32 mi3.11 mi15537-34210518-10810518-10816251(Top 61%)10792(Top 71%)10792(Top 526%)
20K12.43 mi3.11 mi15827-29010608-9010608-9016658(Top 63%)10906(Top 72%)10906(Top 531%)
Half13.11 mi0.68 mi15849-2210615-710615-716344(Top 61%)10830(Top 71%)10830(Top 528%)
25K15.53 mi2.42 mi16112-26310689-7410689-7417381(Top 65%)11143(Top 73%)11143(Top 543%)
30K18.64 mi3.11 mi16796-68410932-24310932-24319267(Top 72%)11906(Top 78%)11906(Top 580%)
20M20.00 mi1.36 mi16909-11310971-3910971-3918311(Top 69%)11378(Top 75%)11378(Top 554%)
21M21.00 mi1.00 mi16997-8810988-1710988-1718439(Top 69%)11399(Top 75%)11399(Top 556%)
35K21.75 mi0.75 mi17063-6611005-1711005-1718245(Top 69%)11247(Top 74%)11247(Top 548%)
23M23.00 mi1.25 mi17194-13111043-3811043-3818804(Top 71%)11483(Top 76%)11483(Top 560%)
24M24.00 mi1.00 mi17309-11511079-3611079-3618895(Top 71%)11486(Top 76%)11486(Top 560%)
40K24.85 mi0.85 mi17399-9011098-1911098-1918899(Top 71%)11437(Top 75%)11437(Top 557%)
25.2M25.20 mi0.35 mi17449-5011107-911107-919173(Top 72%)11545(Top 76%)11545(Top 563%)
Finish26.22 mi1.02 mi17612-16311166-5911166-5920234(Top 76%)12069(Top 80%)12069(Top 588%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16251

Males

10792

M50-54

10792

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

15546

Males

10547

M50-54

10547

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16251

Males

10792

M50-54

10792

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16658

Males

10906

M50-54

10906

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

16344

Males

10830

M50-54

10830

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17381

Males

11143

M50-54

11143

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

19267

Males

11906

M50-54

11906

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18311

Males

11378

M50-54

11378

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

18439

Males

11399

M50-54

11399

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18245

Males

11247

M50-54

11247

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18804

Males

11483

M50-54

11483

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18895

Males

11486

M50-54

11486

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18899

Males

11437

M50-54

11437

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19173

Males

11545

M50-54

11545

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

20234

Males

12069

M50-54

12069

Passing Analysis

Category:
Athletes Passed
746
Passed By
3531
Net Change
-2785
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14827
5K → 10K156524-368#14827#15195
10K → 15K73415-342#15195#15537
15K → 20K90380-290#15537#15827
20K → Half2446-22#15827#15849
Half → 25K77340-263#15849#16112
25K → 30K50734-684#16112#16796
30K → 20M49162-113#16796#16909
20M → 21M55143-88#16909#16997
21M → 35K2894-66#16997#17063
35K → 23M45176-131#17063#17194
23M → 24M30145-115#17194#17309
24M → 40K34124-90#17309#17399
40K → 25.2M1767-50#17399#17449
25.2M → Finish18181-163#17449#17612
TOTALS7463531-2785
📊

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