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BOSTON MARATHON 2023

David Camera

Bib: 31803•M

CT

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

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
9:36/mi
29:50
↑ 97↓ 3451.5%
10K· 6.21 mi
9:36/mi
59:38
↑ 79↓ 1380.4%
15K· 9.32 mi
9:22/mi
1:28:43
↑ 67↓ 78
20K· 12.43 mi
9:40/mi
1:58:46
↑ 106↓ 860.1%
Half· 13.11 mi
9:26/mi
2:05:12
↑ 19↓ 370.5%
25K· 15.53 mi
10:34/mi
2:30:50
↑ 66↓ 880.2%
30K· 18.64 mi
11:02/mi
3:05:08
↑ 181↓ 1480.2%
20M
12:21/mi
3:21:55
↑ 64↓ 500.2%
21M
11:45/mi
3:33:40
↑ 106↓ 241.6%
35K· 21.75 mi
11:27/mi
3:42:14
↑ 17↓ 861.7%
23M
12:19/mi
3:57:39
↑ 23↓ 630.6%
24M
11:55/mi
4:09:34
↓ 821.3%
40K· 24.85 mi
13:07/mi
4:20:47
↓ 200.3%
25.2M
14:07/mi
4:25:39
↑ 13↓ 160.2%
Finish· 26.22 mi
11:16/mi
4:37:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:12
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:31:56
Pace11:35 /mi
📊Positive Split: 21.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4629:509:3629:50
9:36
-
10K
6.21 mi12:23:3459:389:3629:48
9:36
0:00
15K
9.32 mi12:52:391:28:439:3129:05
9:22
-0:14
20K
12.43 mi13:22:421:58:469:3330:03
9:40
+0:18
Half
13.11 mi13:29:082:05:129:336:26
9:26
-0:14
25K
15.53 mi13:54:462:30:509:4325:38
10:34
+1:08
30K
18.64 mi14:29:043:05:089:5634:18
11:02
+0:28
20M
20.00 mi14:45:513:21:5510:0616:47
12:21
+1:19
21M
21.00 mi14:57:363:33:4010:1011:45
11:45
-0:36
35K
21.75 mi15:06:103:42:1410:138:34
11:27
-0:18
23M
23.00 mi15:21:353:57:3910:2015:25
12:19
+0:52
24M
24.00 mi15:33:304:09:3410:2411:55
11:55
-0:24
40K
24.85 mi15:44:434:20:4710:3011:13
13:07
+1:12
25.2M
25.20 mi15:49:354:25:3910:334:52
14:07
+1:00
Finish
26.22 mi16:01:044:37:0810:3511:29
11:16
-2:51

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

9:22 /mi

Average Pace

10:35 /mi

Slowest Pace

14:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:12

45% of race

Time at Steady Pace

1:43:39

37% of race

Time at Slower Pace

48:17

17% of race

Average Pace: 10:34 /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 mi11:53:4629:509:3629:50
9:36
#22380
10K
6.21 mi12:23:3459:389:3629:48
9:36
#22597
15K
9.32 mi12:52:391:28:439:3129:05
9:22
#22373
20K
12.43 mi13:22:421:58:469:3330:03
9:40
#22279
Half
13.11 mi13:29:082:05:129:336:26
9:26
#22251
25K
15.53 mi13:54:462:30:509:4325:38
10:34
#22500
30K
18.64 mi14:29:043:05:089:5634:18
11:02
#22638
20M
20.00 mi14:45:513:21:5510:0616:47
12:21
#22837
21M
21.00 mi14:57:363:33:4010:1011:45
11:45
#22825
35K
21.75 mi15:06:103:42:1410:138:34
11:27
#22879
23M
23.00 mi15:21:353:57:3910:2015:25
12:19
#22982
24M
24.00 mi15:33:304:09:3410:2411:55
11:55
#23072
40K
24.85 mi15:44:434:20:4710:3011:13
13:07
#23191
25.2M
25.20 mi15:49:354:25:3910:334:52
14:07
#23250
Finish
26.22 mi16:01:044:37:0810:3511:29
11:16
#23308
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi22380132961329621840(Top 82%)13120(Top 86%)13120(Top 639%)
10K6.21 mi3.10 mi22597-21713428-13213428-13222778(Top 86%)13534(Top 89%)13534(Top 660%)
15K9.32 mi3.11 mi22373+22413322+10613322+10621840(Top 82%)13120(Top 86%)13120(Top 639%)
20K12.43 mi3.11 mi22279+9413284+3813284+3822071(Top 83%)13205(Top 87%)13205(Top 644%)
Half13.11 mi0.68 mi22251+2813270+1413270+1421909(Top 82%)13161(Top 87%)13161(Top 641%)
25K15.53 mi2.42 mi22500-24913373-10313373-10323303(Top 88%)13723(Top 90%)13723(Top 669%)
30K18.64 mi3.11 mi22638-13813416-4313416-4323147(Top 87%)13585(Top 90%)13585(Top 662%)
20M20.00 mi1.36 mi22837-19913504-8813504-8824587(Top 92%)14179(Top 93%)14179(Top 691%)
21M21.00 mi1.00 mi22825+1213491+1313491+1322319(Top 84%)13124(Top 86%)13124(Top 640%)
35K21.75 mi0.75 mi22879-5413504-1313504-1324022(Top 90%)13860(Top 91%)13860(Top 675%)
23M23.00 mi1.25 mi22982-10313547-4313547-4324374(Top 92%)14024(Top 92%)14024(Top 683%)
24M24.00 mi1.00 mi23072-9013575-2813575-2824411(Top 92%)14006(Top 92%)14006(Top 683%)
40K24.85 mi0.85 mi23191-11913629-5413629-5425021(Top 94%)14312(Top 94%)14312(Top 697%)
25.2M25.20 mi0.35 mi23250-5913656-2713656-2725074(Top 94%)14316(Top 94%)14316(Top 698%)
Finish26.22 mi1.02 mi23308-5813674-1813674-1824383(Top 92%)14012(Top 92%)14012(Top 683%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21840

Males

13120

M50-54

13120

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22778

Males

13534

M50-54

13534

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21840

Males

13120

M50-54

13120

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

22071

Males

13205

M50-54

13205

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

21909

Males

13161

M50-54

13161

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23303

Males

13723

M50-54

13723

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23147

Males

13585

M50-54

13585

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24587

Males

14179

M50-54

14179

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22319

Males

13124

M50-54

13124

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

24022

Males

13860

M50-54

13860

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24374

Males

14024

M50-54

14024

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24411

Males

14006

M50-54

14006

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

25021

Males

14312

M50-54

14312

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25074

Males

14316

M50-54

14316

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

24383

Males

14012

M50-54

14012

Passing Analysis

Category:
Athletes Passed
918
Passed By
1846
Net Change
-928
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22380
5K → 10K142359-217#22380#22597
10K → 15K28056+224#22597#22373
15K → 20K17985+94#22373#22279
20K → Half368+28#22279#22251
Half → 25K43292-249#22251#22500
25K → 30K69207-138#22500#22638
30K → 20M22221-199#22638#22837
20M → 21M5644+12#22837#22825
21M → 35K1771-54#22825#22879
35K → 23M22125-103#22879#22982
23M → 24M20110-90#22982#23072
24M → 40K14133-119#23072#23191
40K → 25.2M564-59#23191#23250
25.2M → Finish1371-58#23250#23308
TOTALS9181846-928
📊

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