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BOSTON MARATHON 2023

John Bizzell

Bib: 1412•M

KY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Masters (Masters Men)
#0 / 9891
Top 9%
Division (M45-49)
#0 / 2252
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:20
Rank: #5258
Start → 5K
21:20 | 6:52/mi
10K· 6.21 mi
42:06
Rank: #4738 (+520)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:03:02
Rank: #4628 (+110)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:24:09
Rank: #4561 (+67)
15K → 20K
21:07 | 6:48/mi
Half· 13.11 mi
1:28:46
Rank: #4564 (-3)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:10
Rank: #4401 (+163)
Half → 25K
16:24 | 6:46/mi
30K· 18.64 mi
2:06:30
Rank: #4173 (+228)
25K → 30K
21:20 | 6:52/mi
20M
2:15:51
Rank: #4074 (+99)
30K → 20M
9:21 | 6:53/mi
21M
2:22:56
Rank: #3922 (+152)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:27:50
Rank: #3851 (+71)
21M → 35K
4:54 | 6:33/mi
23M
2:36:09
Rank: #3641 (+210)
35K → 23M
8:19 | 6:39/mi
24M
2:42:35
Rank: #3506 (+135)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:48:19
Rank: #3436 (+70)
24M → 40K
5:44 | 6:42/mi
25.2M
2:50:51
Rank: #3427 (+9)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:57:44
Rank: #3407 (+20)
25.2M → Finish
6:53 | 6:45/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:46
Pace6:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:58
Pace6:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5721:206:5221:20
6:52
-
10K
6.21 mi10:45:4342:066:4720:46
6:41
-0:11
15K
9.32 mi11:06:391:03:026:4620:56
6:44
+0:03
20K
12.43 mi11:27:461:24:096:4621:07
6:48
+0:04
Half
13.11 mi11:32:231:28:466:464:37
6:46
-0:02
25K
15.53 mi11:48:471:45:106:4616:24
6:46
0:00
30K
18.64 mi12:10:072:06:306:4721:20
6:52
+0:06
20M
20.00 mi12:19:282:15:516:489:21
6:53
+0:01
21M
21.00 mi12:26:332:22:566:487:05
7:05
+0:12
35K
21.75 mi12:31:272:27:506:484:54
6:33
-0:32
23M
23.00 mi12:39:462:36:096:478:19
6:39
+0:06
24M
24.00 mi12:46:122:42:356:466:26
6:26
-0:13
40K
24.85 mi12:51:562:48:196:465:44
6:42
+0:16
25.2M
25.20 mi12:54:282:50:516:472:32
7:21
+0:39
Finish
26.22 mi13:01:212:57:446:476:53
6:45
-0:36

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

6:26 /mi

Average Pace

6:47 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:07

95% of race

Time at Steady Pace

9:37

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:24:5721:206:5221:20
6:52
#5258
10K
6.21 mi10:45:4342:066:4720:46
6:41
#4738
15K
9.32 mi11:06:391:03:026:4620:56
6:44
#4628
20K
12.43 mi11:27:461:24:096:4621:07
6:48
#4561
Half
13.11 mi11:32:231:28:466:464:37
6:46
#4564
25K
15.53 mi11:48:471:45:106:4616:24
6:46
#4401
30K
18.64 mi12:10:072:06:306:4721:20
6:52
#4173
20M
20.00 mi12:19:282:15:516:489:21
6:53
#4074
21M
21.00 mi12:26:332:22:566:487:05
7:05
#3922
35K
21.75 mi12:31:272:27:506:484:54
6:33
#3851
23M
23.00 mi12:39:462:36:096:478:19
6:39
#3641
24M
24.00 mi12:46:122:42:356:466:26
6:26
#3506
40K
24.85 mi12:51:562:48:196:465:44
6:42
#3436
25.2M
25.20 mi12:54:282:50:516:472:32
7:21
#3427
Finish
26.22 mi13:01:212:57:446:476:53
6:45
#3407
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5258486548654473(Top 17%)4177(Top 28%)4177(Top 185%)
10K6.21 mi3.10 mi4738+5204414+4514414+4514185(Top 16%)3923(Top 26%)3923(Top 174%)
15K9.32 mi3.11 mi4628+1104316+984316+984473(Top 17%)4177(Top 28%)4177(Top 185%)
20K12.43 mi3.11 mi4561+674259+574259+574390(Top 16%)4096(Top 27%)4096(Top 182%)
Half13.11 mi0.68 mi4564-3425942594886(Top 18%)4518(Top 30%)4518(Top 201%)
25K15.53 mi2.42 mi4401+1634116+1434116+1433832(Top 14%)3604(Top 24%)3604(Top 160%)
30K18.64 mi3.11 mi4173+2283920+1963920+1963432(Top 13%)3228(Top 21%)3228(Top 143%)
20M20.00 mi1.36 mi4074+993825+953825+953292(Top 12%)3081(Top 20%)3081(Top 137%)
21M21.00 mi1.00 mi3922+1523691+1343691+1342562(Top 10%)2420(Top 16%)2420(Top 107%)
35K21.75 mi0.75 mi3851+713623+683623+682725(Top 10%)2568(Top 17%)2568(Top 114%)
23M23.00 mi1.25 mi3641+2103437+1863437+1861945(Top 7%)1846(Top 12%)1846(Top 82%)
24M24.00 mi1.00 mi3506+1353313+1243313+1241838(Top 7%)1734(Top 11%)1734(Top 77%)
40K24.85 mi0.85 mi3436+703246+673246+672383(Top 9%)2213(Top 15%)2213(Top 98%)
25.2M25.20 mi0.35 mi3427+93237+93237+93142(Top 12%)2865(Top 19%)2865(Top 127%)
Finish26.22 mi1.02 mi3407+203211+263211+263796(Top 14%)3368(Top 22%)3368(Top 150%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4473

Males

4177

M45-49

4177

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4185

Males

3923

M45-49

3923

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4473

Males

4177

M45-49

4177

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4390

Males

4096

M45-49

4096

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4886

Males

4518

M45-49

4518

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3832

Males

3604

M45-49

3604

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3432

Males

3228

M45-49

3228

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3292

Males

3081

M45-49

3081

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2562

Males

2420

M45-49

2420

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2725

Males

2568

M45-49

2568

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1945

Males

1846

M45-49

1846

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1838

Males

1734

M45-49

1734

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2383

Males

2213

M45-49

2213

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3142

Males

2865

M45-49

2865

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3796

Males

3368

M45-49

3368

Passing Analysis

Category:
Athletes Passed
2183
Passed By
332
Net Change
+1851
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5258
5K → 10K55333+520#5258#4738
10K → 15K17767+110#4738#4628
15K → 20K13366+67#4628#4561
20K → Half2225-3#4561#4564
Half → 25K18320+163#4564#4401
25K → 30K24719+228#4401#4173
30K → 20M11516+99#4173#4074
20M → 21M16412+152#4074#3922
21M → 35K787+71#3922#3851
35K → 23M2144+210#3851#3641
23M → 24M1372+135#3641#3506
24M → 40K8010+70#3506#3436
40K → 25.2M2112+9#3436#3427
25.2M → Finish5939+20#3427#3407
TOTALS2183332+1851
📊

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