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BOSTON MARATHON 2023

John Karry

Bib: 5055•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 14%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M50-54)
#0 / 2052
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:43/mi
20:51
↑ 97↓ 3451.5%
10K· 6.21 mi
6:31/mi
41:06
↑ 79↓ 1380.4%
15K· 9.32 mi
6:38/mi
1:01:44
↑ 67↓ 78
20K· 12.43 mi
6:40/mi
1:22:26
↑ 106↓ 860.1%
Half· 13.11 mi
6:36/mi
1:26:56
↑ 19↓ 370.5%
25K· 15.53 mi
6:39/mi
1:43:04
↑ 66↓ 880.2%
30K· 18.64 mi
6:39/mi
2:03:43
↑ 181↓ 1480.2%
20M
6:26/mi
2:12:28
↑ 64↓ 500.2%
21M
6:54/mi
2:19:22
↑ 106↓ 241.6%
35K· 21.75 mi
6:09/mi
2:23:58
↑ 17↓ 861.7%
23M
6:35/mi
2:32:13
↑ 23↓ 630.6%
24M
6:20/mi
2:38:33
↓ 821.3%
40K· 24.85 mi
6:35/mi
2:44:11
↓ 200.3%
25.2M
7:06/mi
2:46:38
↑ 13↓ 160.2%
Finish· 26.22 mi
6:22/mi
2:53:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:26:56
Pace6:38 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:26:11
Pace6:34 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0720:516:4320:51
6:43
-
10K
6.21 mi10:44:2241:066:3720:15
6:31
-0:12
15K
9.32 mi11:05:001:01:446:3720:38
6:38
+0:07
20K
12.43 mi11:25:421:22:266:3820:42
6:40
+0:02
Half
13.11 mi11:30:121:26:566:384:30
6:36
-0:04
25K
15.53 mi11:46:201:43:046:3816:08
6:39
+0:03
30K
18.64 mi12:06:592:03:436:3820:39
6:39
0:00
20M
20.00 mi12:15:442:12:286:378:45
6:26
-0:13
21M
21.00 mi12:22:382:19:226:386:54
6:54
+0:28
35K
21.75 mi12:27:142:23:586:374:36
6:09
-0:45
23M
23.00 mi12:35:292:32:136:378:15
6:35
+0:26
24M
24.00 mi12:41:492:38:336:366:20
6:20
-0:15
40K
24.85 mi12:47:272:44:116:365:38
6:35
+0:15
25.2M
25.20 mi12:49:542:46:386:372:27
7:06
+0:31
Finish
26.22 mi12:56:232:53:076:366:29
6:22
-0:44

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

6:09 /mi

Average Pace

6:36 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:46

95% of race

Time at Steady Pace

9:21

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:36 /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 mi10:24:0720:516:4320:51
6:43
#3748
10K
6.21 mi10:44:2241:066:3720:15
6:31
#3258
15K
9.32 mi11:05:001:01:446:3720:38
6:38
#3369
20K
12.43 mi11:25:421:22:266:3820:42
6:40
#3325
Half
13.11 mi11:30:121:26:566:384:30
6:36
#3327
25K
15.53 mi11:46:201:43:046:3816:08
6:39
#3243
30K
18.64 mi12:06:592:03:436:3820:39
6:39
#2952
20M
20.00 mi12:15:442:12:286:378:45
6:26
#2762
21M
21.00 mi12:22:382:19:226:386:54
6:54
#2657
35K
21.75 mi12:27:142:23:586:374:36
6:09
#2570
23M
23.00 mi12:35:292:32:136:378:15
6:35
#2463
24M
24.00 mi12:41:492:38:336:366:20
6:20
#2408
40K
24.85 mi12:47:272:44:116:365:38
6:35
#2360
25.2M
25.20 mi12:49:542:46:386:372:27
7:06
#2346
Finish
26.22 mi12:56:232:53:076:366:29
6:22
#2296
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi3748352235223610(Top 14%)3405(Top 22%)3405(Top 166%)
10K6.21 mi3.10 mi3258+4903088+4343088+4342900(Top 11%)2770(Top 18%)2770(Top 135%)
15K9.32 mi3.11 mi3369-1113193-1053193-1053610(Top 14%)3405(Top 22%)3405(Top 166%)
20K12.43 mi3.11 mi3325+443160+333160+333252(Top 12%)3086(Top 20%)3086(Top 150%)
Half13.11 mi0.68 mi3327-23163-33163-33326(Top 12%)3157(Top 21%)3157(Top 154%)
25K15.53 mi2.42 mi3243+843090+733090+733013(Top 11%)2871(Top 19%)2871(Top 140%)
30K18.64 mi3.11 mi2952+2912819+2712819+2712170(Top 8%)2071(Top 14%)2071(Top 101%)
20M20.00 mi1.36 mi2762+1902638+1812638+1811255(Top 5%)1196(Top 8%)1196(Top 58%)
21M21.00 mi1.00 mi2657+1052538+1002538+1001767(Top 7%)1680(Top 11%)1680(Top 82%)
35K21.75 mi0.75 mi2570+872457+812457+811112(Top 4%)1060(Top 7%)1060(Top 52%)
23M23.00 mi1.25 mi2463+1072357+1002357+1001738(Top 7%)1648(Top 11%)1648(Top 80%)
24M24.00 mi1.00 mi2408+552304+532304+531461(Top 5%)1384(Top 9%)1384(Top 67%)
40K24.85 mi0.85 mi2360+482257+472257+471876(Top 7%)1767(Top 12%)1767(Top 86%)
25.2M25.20 mi0.35 mi2346+142245+122245+122113(Top 8%)1969(Top 13%)1969(Top 96%)
Finish26.22 mi1.02 mi2296+502198+472198+471866(Top 7%)1744(Top 11%)1744(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

3610

Males

3405

M50-54

3405

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

2900

Males

2770

M50-54

2770

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

3610

Males

3405

M50-54

3405

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3252

Males

3086

M50-54

3086

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3326

Males

3157

M50-54

3157

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

3013

Males

2871

M50-54

2871

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2170

Males

2071

M50-54

2071

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1255

Males

1196

M50-54

1196

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

1767

Males

1680

M50-54

1680

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1112

Males

1060

M50-54

1060

35K→23M

21.8 - 23.0 mi

Top 7%
×5story building
+23ft-63ft

Overall

1738

Males

1648

M50-54

1648

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1461

Males

1384

M50-54

1384

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1876

Males

1767

M50-54

1767

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2113

Males

1969

M50-54

1969

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

1866

Males

1744

M50-54

1744

Passing Analysis

Category:
Athletes Passed
1785
Passed By
333
Net Change
+1452
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3748
5K → 10K52434+490#3748#3258
10K → 15K57168-111#3258#3369
15K → 20K10157+44#3369#3325
20K → Half1820-2#3325#3327
Half → 25K10824+84#3327#3243
25K → 30K2932+291#3243#2952
30K → 20M1900+190#2952#2762
20M → 21M1072+105#2762#2657
21M → 35K881+87#2657#2570
35K → 23M1103+107#2570#2463
23M → 24M594+55#2463#2408
24M → 40K524+48#2408#2360
40K → 25.2M195+14#2360#2346
25.2M → Finish599+50#2346#2296
TOTALS1785333+1452
📊

Passing Visuals

Category:
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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