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BOSTON MARATHON 2023

David Berndt

Bib: 14237•M

NV

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
23:50
Rank: #11199
Start → 5K
23:50 | 7:40/mi
10K· 6.21 mi
47:30
Rank: #11305 (-106)
5K → 10K
23:40 | 7:37/mi
15K· 9.32 mi
1:11:10
Rank: #11245 (+60)
10K → 15K
23:40 | 7:37/mi
20K· 12.43 mi
1:35:01
Rank: #11072 (+173)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:40:09
Rank: #11035 (+37)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:59:03
Rank: #11015 (+20)
Half → 25K
18:54 | 7:48/mi
30K· 18.64 mi
2:24:08
Rank: #11019 (-4)
25K → 30K
25:05 | 8:04/mi
20M
2:35:17
Rank: #11051 (-32)
30K → 20M
11:09 | 8:12/mi
21M
2:44:07
Rank: #11116 (-65)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:50:06
Rank: #11156 (-40)
21M → 35K
5:59 | 8:00/mi
23M
3:00:37
Rank: #11229 (-73)
35K → 23M
10:31 | 8:24/mi
24M
3:09:32
Rank: #11563 (-334)
23M → 24M
8:55 | 8:55/mi
40K· 24.85 mi
3:21:39
Rank: #13096 (-1533)
24M → 40K
12:07 | 14:10/mi
25.2M
3:27:33
Rank: #13908 (-812)
40K → 25.2M
5:54 | 17:07/mi
Finish· 26.22 mi
3:39:38
Rank: #14841 (-933)
25.2M → Finish
12:05 | 11:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:09
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:59:29
Pace9:07 /mi
📊Positive Split: 19.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1023:507:4023:50
7:40
-
10K
6.21 mi11:16:5047:307:3923:40
7:37
-0:03
15K
9.32 mi11:40:301:11:107:3823:40
7:37
0:00
20K
12.43 mi12:04:211:35:017:3923:51
7:41
+0:04
Half
13.11 mi12:09:291:40:097:385:08
7:31
-0:10
25K
15.53 mi12:28:231:59:037:4018:54
7:48
+0:17
30K
18.64 mi12:53:282:24:087:4425:05
8:04
+0:16
20M
20.00 mi13:04:372:35:177:4611:09
8:12
+0:08
21M
21.00 mi13:13:272:44:077:498:50
8:50
+0:38
35K
21.75 mi13:19:262:50:067:495:59
8:00
-0:50
23M
23.00 mi13:29:573:00:377:5110:31
8:24
+0:24
24M
24.00 mi13:38:523:09:327:548:55
8:55
+0:31
40K
24.85 mi13:50:593:21:398:0712:07
14:10
+5:15
25.2M
25.20 mi13:56:533:27:338:145:54
17:07
+2:57
Finish
26.22 mi14:08:583:39:388:2312:05
11:51
-5:16

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

7:31 /mi

Average Pace

8:23 /mi

Slowest Pace

17:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:09:32

86% of race

Time at Slower Pace

30:06

14% of race

Average Pace: 8:23 /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 mi10:53:1023:507:4023:50
7:40
#11199
10K
6.21 mi11:16:5047:307:3923:40
7:37
#11305
15K
9.32 mi11:40:301:11:107:3823:40
7:37
#11245
20K
12.43 mi12:04:211:35:017:3923:51
7:41
#11072
Half
13.11 mi12:09:291:40:097:385:08
7:31
#11035
25K
15.53 mi12:28:231:59:037:4018:54
7:48
#11015
30K
18.64 mi12:53:282:24:087:4425:05
8:04
#11019
20M
20.00 mi13:04:372:35:177:4611:09
8:12
#11051
21M
21.00 mi13:13:272:44:077:498:50
8:50
#11116
35K
21.75 mi13:19:262:50:067:495:59
8:00
#11156
23M
23.00 mi13:29:573:00:377:5110:31
8:24
#11229
24M
24.00 mi13:38:523:09:327:548:55
8:55
#11563
40K
24.85 mi13:50:593:21:398:0712:07
14:10
#13096
25.2M
25.20 mi13:56:533:27:338:145:54
17:07
#13908
Finish
26.22 mi14:08:583:39:388:2312:05
11:51
#14841
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi111998754875411161(Top 42%)8714(Top 57%)8714(Top 425%)
10K6.21 mi3.10 mi11305-1068797-438797-4311485(Top 43%)8879(Top 59%)8879(Top 433%)
15K9.32 mi3.11 mi11245+608771+268771+2611161(Top 42%)8714(Top 57%)8714(Top 425%)
20K12.43 mi3.11 mi11072+1738692+798692+7910724(Top 40%)8445(Top 56%)8445(Top 412%)
Half13.11 mi0.68 mi11035+378673+198673+1910418(Top 39%)8327(Top 55%)8327(Top 406%)
25K15.53 mi2.42 mi11015+208633+408633+4011056(Top 42%)8536(Top 56%)8536(Top 416%)
30K18.64 mi3.11 mi11019-48588+458588+4511461(Top 43%)8571(Top 56%)8571(Top 418%)
20M20.00 mi1.36 mi11051-328571+178571+1711736(Top 44%)8599(Top 57%)8599(Top 419%)
21M21.00 mi1.00 mi11116-658583-128583-1212442(Top 47%)8779(Top 58%)8779(Top 428%)
35K21.75 mi0.75 mi11156-408590-78590-712102(Top 45%)8611(Top 57%)8611(Top 420%)
23M23.00 mi1.25 mi11229-738597-78597-712569(Top 47%)8724(Top 57%)8724(Top 425%)
24M24.00 mi1.00 mi11563-3348725-1288725-12816818(Top 63%)10540(Top 69%)10540(Top 514%)
40K24.85 mi0.85 mi13096-15339350-6259350-62525772(Top 97%)14686(Top 97%)14686(Top 716%)
25.2M25.20 mi0.35 mi13908-8129664-3149664-31426384(Top 99%)15022(Top 99%)15022(Top 732%)
Finish26.22 mi1.02 mi14841-93310006-34210006-34225099(Top 94%)14361(Top 95%)14361(Top 700%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11161

Males

8714

M50-54

8714

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11485

Males

8879

M50-54

8879

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11161

Males

8714

M50-54

8714

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10724

Males

8445

M50-54

8445

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10418

Males

8327

M50-54

8327

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11056

Males

8536

M50-54

8536

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11461

Males

8571

M50-54

8571

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11736

Males

8599

M50-54

8599

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12442

Males

8779

M50-54

8779

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12102

Males

8611

M50-54

8611

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12569

Males

8724

M50-54

8724

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16818

Males

10540

M50-54

10540

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25772

Males

14686

M50-54

14686

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26384

Males

15022

M50-54

15022

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

25099

Males

14361

M50-54

14361

Passing Analysis

Category:
Athletes Passed
1318*
Passed By
4960
Net Change
-3642
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11199
5K → 10K256362-106#11199#11305
10K → 15K205145+60#11305#11245
15K → 20K25077+173#11245#11072
20K → Half469+37#11072#11035
Half → 25K128108+20#11035#11015
25K → 30K174178-4#11015#11019
30K → 20M84*116-32#11019#11051
20M → 21M60125-65#11051#11116
21M → 35K2868-40#11116#11156
35K → 23M68141-73#11156#11229
23M → 24M15349-334#11229#11563
24M → 40K11534-1533#11563#13096
40K → 25.2M0812-812#13096#13908
25.2M → Finish3936-933#13908#14841
TOTALS1318*4960-3642

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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