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BOSTON MARATHON 2023

David Brezer

Bib: 18642•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:53
Rank: #14082
Start → 5K
24:53 | 8:01/mi
10K· 6.21 mi
49:40
Rank: #14340 (-258)
5K → 10K
24:47 | 7:59/mi
15K· 9.32 mi
1:14:56
Rank: #14653 (-313)
10K → 15K
25:16 | 8:08/mi
20K· 12.43 mi
1:40:51
Rank: #14983 (-330)
15K → 20K
25:55 | 8:21/mi
Half· 13.11 mi
1:46:34
Rank: #15080 (-97)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:07:08
Rank: #15237 (-157)
Half → 25K
20:34 | 8:29/mi
30K· 18.64 mi
2:35:21
Rank: #15711 (-474)
25K → 30K
28:13 | 9:05/mi
20M
2:48:00
Rank: #15907 (-196)
30K → 20M
12:39 | 9:19/mi
21M
2:58:04
Rank: #16049 (-142)
20M → 21M
10:04 | 10:04/mi
35K· 21.75 mi
3:04:20
Rank: #15981 (+68)
21M → 35K
6:16 | 8:23/mi
23M
3:15:18
Rank: #15891 (+90)
35K → 23M
10:58 | 8:46/mi
24M
3:23:50
Rank: #15834 (+57)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:31:24
Rank: #15807 (+27)
24M → 40K
7:34 | 8:51/mi
25.2M
3:34:37
Rank: #15779 (+28)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:43:06
Rank: #15699 (+80)
25.2M → Finish
8:29 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:34
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:56:32
Pace8:53 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2024:538:0124:53
8:01
-
10K
6.21 mi11:43:0749:408:0024:47
7:59
-0:02
15K
9.32 mi12:08:231:14:568:0225:16
8:08
+0:09
20K
12.43 mi12:34:181:40:518:0725:55
8:21
+0:13
Half
13.11 mi12:40:011:46:348:085:43
8:23
+0:02
25K
15.53 mi13:00:352:07:088:1120:34
8:29
+0:06
30K
18.64 mi13:28:482:35:218:2028:13
9:05
+0:36
20M
20.00 mi13:41:272:48:008:2412:39
9:19
+0:14
21M
21.00 mi13:51:312:58:048:2910:04
10:04
+0:45
35K
21.75 mi13:57:473:04:208:296:16
8:23
-1:41
23M
23.00 mi14:08:453:15:188:2910:58
8:46
+0:23
24M
24.00 mi14:17:173:23:508:308:32
8:32
-0:14
40K
24.85 mi14:24:513:31:248:307:34
8:51
+0:19
25.2M
25.20 mi14:28:043:34:378:313:13
9:20
+0:29
Finish
26.22 mi14:36:333:43:068:318:29
8:19
-1:01

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

7:59 /mi

Average Pace

8:31 /mi

Slowest Pace

10:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:56

34% of race

Time at Steady Pace

1:15:29

34% of race

Time at Slower Pace

1:12:41

33% of race

Average Pace: 8:31 /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 mi11:18:2024:538:0124:53
8:01
#14082
10K
6.21 mi11:43:0749:408:0024:47
7:59
#14340
15K
9.32 mi12:08:231:14:568:0225:16
8:08
#14653
20K
12.43 mi12:34:181:40:518:0725:55
8:21
#14983
Half
13.11 mi12:40:011:46:348:085:43
8:23
#15080
25K
15.53 mi13:00:352:07:088:1120:34
8:29
#15237
30K
18.64 mi13:28:482:35:218:2028:13
9:05
#15711
20M
20.00 mi13:41:272:48:008:2412:39
9:19
#15907
21M
21.00 mi13:51:312:58:048:2910:04
10:04
#16049
35K
21.75 mi13:57:473:04:208:296:16
8:23
#15981
23M
23.00 mi14:08:453:15:188:2910:58
8:46
#15891
24M
24.00 mi14:17:173:23:508:308:32
8:32
#15834
40K
24.85 mi14:24:513:31:248:307:34
8:51
#15807
25.2M
25.20 mi14:28:043:34:378:313:13
9:20
#15779
Finish
26.22 mi14:36:333:43:068:318:29
8:19
#15699
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi140829983998315371(Top 58%)10462(Top 69%)10462(Top 943%)
10K6.21 mi3.10 mi14340-25810070-8710070-8714635(Top 55%)10179(Top 67%)10179(Top 917%)
15K9.32 mi3.11 mi14653-31310185-11510185-11515371(Top 58%)10462(Top 69%)10462(Top 943%)
20K12.43 mi3.11 mi14983-33010291-10610291-10615874(Top 60%)10586(Top 70%)10586(Top 954%)
Half13.11 mi0.68 mi15080-9710325-3410325-3416955(Top 64%)11053(Top 73%)11053(Top 996%)
25K15.53 mi2.42 mi15237-15710358-3310358-3316073(Top 60%)10565(Top 70%)10565(Top 952%)
30K18.64 mi3.11 mi15711-47410495-13710495-13717596(Top 66%)11161(Top 74%)11161(Top 1005%)
20M20.00 mi1.36 mi15907-19610541-4610541-4618040(Top 68%)11252(Top 74%)11252(Top 1014%)
21M21.00 mi1.00 mi16049-14210584-4310584-4318243(Top 69%)11323(Top 75%)11323(Top 1020%)
35K21.75 mi0.75 mi15981+6810537+4710537+4714556(Top 55%)9674(Top 64%)9674(Top 872%)
23M23.00 mi1.25 mi15891+9010476+6110476+6114745(Top 55%)9696(Top 64%)9696(Top 874%)
24M24.00 mi1.00 mi15834+5710435+4110435+4114662(Top 55%)9595(Top 63%)9595(Top 864%)
40K24.85 mi0.85 mi15807+2710418+1710418+1715333(Top 58%)9831(Top 65%)9831(Top 886%)
25.2M25.20 mi0.35 mi15779+2810404+1410404+1414277(Top 54%)9370(Top 62%)9370(Top 844%)
Finish26.22 mi1.02 mi15699+8010368+3610368+3614236(Top 53%)9355(Top 62%)9355(Top 843%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15371

Males

10462

M60-64

10462

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14635

Males

10179

M60-64

10179

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15371

Males

10462

M60-64

10462

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15874

Males

10586

M60-64

10586

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

16955

Males

11053

M60-64

11053

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

16073

Males

10565

M60-64

10565

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17596

Males

11161

M60-64

11161

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18040

Males

11252

M60-64

11252

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

18243

Males

11323

M60-64

11323

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14556

Males

9674

M60-64

9674

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14745

Males

9696

M60-64

9696

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14662

Males

9595

M60-64

9595

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15333

Males

9831

M60-64

9831

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14277

Males

9370

M60-64

9370

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14236

Males

9355

M60-64

9355

Passing Analysis

Category:
Athletes Passed
1159
Passed By
2776
Net Change
-1617
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14082
5K → 10K171429-258#14082#14340
10K → 15K102415-313#14340#14653
15K → 20K94424-330#14653#14983
20K → Half13110-97#14983#15080
Half → 25K91248-157#15080#15237
25K → 30K61535-474#15237#15711
30K → 20M50246-196#15711#15907
20M → 21M43185-142#15907#16049
21M → 35K8719+68#16049#15981
35K → 23M13343+90#15981#15891
23M → 24M10144+57#15891#15834
24M → 40K7346+27#15834#15807
40K → 25.2M3911+28#15807#15779
25.2M → Finish10121+80#15779#15699
TOTALS11592776-1617
📊

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