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BOSTON MARATHON 2023

Cameron Dumais

Bib: 29751•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
28:16
Rank: #20856
Start → 5K
28:16 | 9:06/mi
10K· 6.21 mi
55:08
Rank: #20047 (+809)
5K → 10K
26:52 | 8:39/mi
15K· 9.32 mi
1:23:02
Rank: #20157 (-110)
10K → 15K
27:54 | 8:59/mi
20K· 12.43 mi
1:50:23
Rank: #19765 (+392)
15K → 20K
27:21 | 8:48/mi
Half· 13.11 mi
1:56:09
Rank: #19655 (+110)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:17:43
Rank: #19430 (+225)
Half → 25K
21:34 | 8:54/mi
30K· 18.64 mi
2:49:39
Rank: #20064 (-634)
25K → 30K
31:56 | 10:17/mi
20M
3:03:36
Rank: #20183 (-119)
30K → 20M
13:57 | 10:16/mi
21M
3:15:21
Rank: #20340 (-157)
20M → 21M
11:45 | 11:45/mi
35K· 21.75 mi
3:22:47
Rank: #20354 (-14)
21M → 35K
7:26 | 9:56/mi
23M
3:38:32
Rank: #20807 (-453)
35K → 23M
15:45 | 12:35/mi
24M
3:50:35
Rank: #21062 (-255)
23M → 24M
12:03 | 12:03/mi
40K· 24.85 mi
4:00:58
Rank: #21255 (-193)
24M → 40K
10:23 | 12:09/mi
25.2M
4:06:16
Rank: #21448 (-193)
40K → 25.2M
5:18 | 15:22/mi
Finish· 26.22 mi
4:16:13
Rank: #21415 (+33)
25.2M → Finish
9:57 | 9:46/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:09
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:20:04
Pace10:41 /mi
📊Positive Split: 20.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5228:169:0628:16
9:06
-
10K
6.21 mi12:16:4455:088:5226:52
8:39
-0:27
15K
9.32 mi12:44:381:23:028:5527:54
8:59
+0:20
20K
12.43 mi13:11:591:50:238:5327:21
8:48
-0:11
Half
13.11 mi13:17:451:56:098:525:46
8:27
-0:21
25K
15.53 mi13:39:192:17:438:5221:34
8:54
+0:27
30K
18.64 mi14:11:152:49:399:0631:56
10:17
+1:23
20M
20.00 mi14:25:123:03:369:1113:57
10:16
-0:01
21M
21.00 mi14:36:573:15:219:1811:45
11:45
+1:29
35K
21.75 mi14:44:233:22:479:197:26
9:56
-1:49
23M
23.00 mi15:00:083:38:329:3015:45
12:35
+2:39
24M
24.00 mi15:12:113:50:359:3612:03
12:03
-0:32
40K
24.85 mi15:22:344:00:589:4210:23
12:09
+0:06
25.2M
25.20 mi15:27:524:06:169:465:18
15:22
+3:13
Finish
26.22 mi15:37:494:16:139:479:57
9:46
-5:36

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

8:27 /mi

Average Pace

9:47 /mi

Slowest Pace

15:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:49:27

43% of race

Time at Steady Pace

1:31:32

36% of race

Time at Slower Pace

55:14

22% of race

Average Pace: 9:46 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:49:5228:169:0628:16
9:06
#20856
10K
6.21 mi12:16:4455:088:5226:52
8:39
#20047
15K
9.32 mi12:44:381:23:028:5527:54
8:59
#20157
20K
12.43 mi13:11:591:50:238:5327:21
8:48
#19765
Half
13.11 mi13:17:451:56:098:525:46
8:27
#19655
25K
15.53 mi13:39:192:17:438:5221:34
8:54
#19430
30K
18.64 mi14:11:152:49:399:0631:56
10:17
#20064
20M
20.00 mi14:25:123:03:369:1113:57
10:16
#20183
21M
21.00 mi14:36:573:15:219:1811:45
11:45
#20340
35K
21.75 mi14:44:233:22:479:197:26
9:56
#20354
23M
23.00 mi15:00:083:38:329:3015:45
12:35
#20807
24M
24.00 mi15:12:113:50:359:3612:03
12:03
#21062
40K
24.85 mi15:22:344:00:589:4210:23
12:09
#21255
25.2M
25.20 mi15:27:524:06:169:465:18
15:22
#21448
Finish
26.22 mi15:37:494:16:139:479:57
9:46
#21415
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20856125361253620405(Top 77%)12483(Top 82%)12483(Top 236%)
10K6.21 mi3.10 mi20047+80912235+30112235+30119115(Top 72%)11945(Top 79%)11945(Top 226%)
15K9.32 mi3.11 mi20157-11012314-7912314-7920405(Top 77%)12483(Top 82%)12483(Top 236%)
20K12.43 mi3.11 mi19765+39212163+15112163+15118697(Top 70%)11773(Top 78%)11773(Top 223%)
Half13.11 mi0.68 mi19655+11012120+4312120+4317461(Top 66%)11295(Top 74%)11295(Top 214%)
25K15.53 mi2.42 mi19430+22512034+8612034+8618433(Top 69%)11610(Top 77%)11610(Top 220%)
30K18.64 mi3.11 mi20064-63412282-24812282-24821726(Top 82%)12952(Top 85%)12952(Top 245%)
20M20.00 mi1.36 mi20183-11912315-3312315-3321169(Top 80%)12645(Top 83%)12645(Top 239%)
21M21.00 mi1.00 mi20340-15712374-5912374-5922312(Top 84%)13117(Top 86%)13117(Top 248%)
35K21.75 mi0.75 mi20354-1412373+112373+121099(Top 79%)12537(Top 83%)12537(Top 237%)
23M23.00 mi1.25 mi20807-45312565-19212565-19224652(Top 93%)14166(Top 93%)14166(Top 268%)
24M24.00 mi1.00 mi21062-25512662-9712662-9724588(Top 92%)14083(Top 93%)14083(Top 266%)
40K24.85 mi0.85 mi21255-19312744-8212744-8224051(Top 90%)13826(Top 91%)13826(Top 262%)
25.2M25.20 mi0.35 mi21448-19312825-8112825-8125862(Top 97%)14732(Top 97%)14732(Top 279%)
Finish26.22 mi1.02 mi21415+3312796+2912796+2921023(Top 79%)12430(Top 82%)12430(Top 235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20405

Males

12483

M18-39

12483

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

19115

Males

11945

M18-39

11945

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20405

Males

12483

M18-39

12483

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18697

Males

11773

M18-39

11773

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17461

Males

11295

M18-39

11295

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

18433

Males

11610

M18-39

11610

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21726

Males

12952

M18-39

12952

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21169

Males

12645

M18-39

12645

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22312

Males

13117

M18-39

13117

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

21099

Males

12537

M18-39

12537

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

24652

Males

14166

M18-39

14166

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24588

Males

14083

M18-39

14083

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24051

Males

13826

M18-39

13826

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25862

Males

14732

M18-39

14732

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

21023

Males

12430

M18-39

12430

Passing Analysis

Category:
Athletes Passed
2082
Passed By
2641
Net Change
-559
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20856
5K → 10K89485+809#20856#20047
10K → 15K136246-110#20047#20157
15K → 20K42230+392#20157#19765
20K → Half1133+110#19765#19655
Half → 25K24924+225#19655#19430
25K → 30K48682-634#19430#20064
30K → 20M53172-119#20064#20183
20M → 21M31188-157#20183#20340
21M → 35K4054-14#20340#20354
35K → 23M6459-453#20354#20807
23M → 24M6261-255#20807#21062
24M → 40K12205-193#21062#21255
40K → 25.2M1194-193#21255#21448
25.2M → Finish7138+33#21448#21415
TOTALS20822641-559
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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