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BOSTON MARATHON 2023

Cullen Roberts

Bib: 597•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 11%
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
6:09/mi
19:07
↑ 97↓ 3451.5%
10K· 6.21 mi
6:03/mi
37:54
↑ 79↓ 1380.4%
15K· 9.32 mi
6:03/mi
56:41
↑ 67↓ 78
20K· 12.43 mi
6:05/mi
1:15:35
↑ 106↓ 860.1%
Half· 13.11 mi
5:55/mi
1:19:37
↑ 19↓ 370.5%
25K· 15.53 mi
6:03/mi
1:34:18
↑ 66↓ 880.2%
30K· 18.64 mi
6:11/mi
1:53:30
↑ 181↓ 1480.2%
20M
6:12/mi
2:01:55
↑ 64↓ 500.2%
21M
6:48/mi
2:08:43
↑ 106↓ 241.6%
35K· 21.75 mi
6:04/mi
2:13:15
↑ 17↓ 861.7%
23M
6:20/mi
2:21:11
↑ 23↓ 630.6%
24M
6:14/mi
2:27:25
↓ 821.3%
40K· 24.85 mi
6:24/mi
2:32:53
↓ 200.3%
25.2M
6:52/mi
2:35:15
↑ 13↓ 160.2%
Finish· 26.22 mi
6:10/mi
2:41:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:37
Pace6:04 /mi
2nd Half
Distance13.11 mi
Time1:21:55
Pace6:15 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4419:076:0919:07
6:09
-
10K
6.21 mi10:38:3137:546:0618:47
6:03
-0:06
15K
9.32 mi10:57:1856:416:0518:47
6:03
0:00
20K
12.43 mi11:16:121:15:356:0518:54
6:05
+0:02
Half
13.11 mi11:20:141:19:376:044:02
5:55
-0:10
25K
15.53 mi11:34:551:34:186:0414:41
6:03
+0:08
30K
18.64 mi11:54:071:53:306:0519:12
6:11
+0:08
20M
20.00 mi12:02:322:01:556:068:25
6:12
+0:01
21M
21.00 mi12:09:202:08:436:086:48
6:48
+0:36
35K
21.75 mi12:13:522:13:156:084:32
6:04
-0:44
23M
23.00 mi12:21:482:21:116:087:56
6:20
+0:16
24M
24.00 mi12:28:022:27:256:096:14
6:14
-0:06
40K
24.85 mi12:33:302:32:536:095:28
6:24
+0:10
25.2M
25.20 mi12:35:522:35:156:102:22
6:52
+0:28
Finish
26.22 mi12:42:092:41:326:106:17
6:10
-0:42

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

5:55 /mi

Average Pace

6:10 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:22

94% of race

Time at Steady Pace

9:10

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:10 /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 mi10:19:4419:076:0919:07
6:09
#1021
10K
6.21 mi10:38:3137:546:0618:47
6:03
#966
15K
9.32 mi10:57:1856:416:0518:47
6:03
#900
20K
12.43 mi11:16:121:15:356:0518:54
6:05
#855
Half
13.11 mi11:20:141:19:376:044:02
5:55
#838
25K
15.53 mi11:34:551:34:186:0414:41
6:03
#779
30K
18.64 mi11:54:071:53:306:0519:12
6:11
#755
20M
20.00 mi12:02:322:01:556:068:25
6:12
#739
21M
21.00 mi12:09:202:08:436:086:48
6:48
#761
35K
21.75 mi12:13:522:13:156:084:32
6:04
#756
23M
23.00 mi12:21:482:21:116:087:56
6:20
#757
24M
24.00 mi12:28:022:27:256:096:14
6:14
#752
40K
24.85 mi12:33:302:32:536:095:28
6:24
#743
25.2M
25.20 mi12:35:522:35:156:102:22
6:52
#741
Finish
26.22 mi12:42:092:41:326:106:17
6:10
#729
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1021965965815(Top 3%)769(Top 5%)769(Top 15%)
10K6.21 mi3.10 mi966+55912+53912+53915(Top 3%)866(Top 6%)866(Top 16%)
15K9.32 mi3.11 mi900+66850+62850+62815(Top 3%)769(Top 5%)769(Top 15%)
20K12.43 mi3.11 mi855+45808+42808+42743(Top 3%)701(Top 5%)701(Top 13%)
Half13.11 mi0.68 mi838+17792+16792+16577(Top 2%)539(Top 4%)539(Top 10%)
25K15.53 mi2.42 mi779+59734+58734+58641(Top 2%)600(Top 4%)600(Top 11%)
30K18.64 mi3.11 mi755+24713+21713+21644(Top 2%)607(Top 4%)607(Top 11%)
20M20.00 mi1.36 mi739+16697+16697+16639(Top 2%)602(Top 4%)602(Top 11%)
21M21.00 mi1.00 mi761-22719-22719-221383(Top 5%)1317(Top 9%)1317(Top 25%)
35K21.75 mi0.75 mi756+5713+6713+6810(Top 3%)767(Top 5%)767(Top 15%)
23M23.00 mi1.25 mi757-1714-1714-1911(Top 3%)866(Top 6%)866(Top 16%)
24M24.00 mi1.00 mi752+5709+5709+51105(Top 4%)1046(Top 7%)1046(Top 20%)
40K24.85 mi0.85 mi743+9701+8701+81166(Top 4%)1101(Top 7%)1101(Top 21%)
25.2M25.20 mi0.35 mi741+2699+2699+21290(Top 5%)1220(Top 8%)1220(Top 23%)
Finish26.22 mi1.02 mi729+12687+12687+121158(Top 4%)1102(Top 7%)1102(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

815

Males

769

M18-39

769

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

915

Males

866

M18-39

866

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

815

Males

769

M18-39

769

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

743

Males

701

M18-39

701

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

577

Males

539

M18-39

539

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

641

Males

600

M18-39

600

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

644

Males

607

M18-39

607

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

639

Males

602

M18-39

602

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1383

Males

1317

M18-39

1317

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

810

Males

767

M18-39

767

35K→23M

21.8 - 23.0 mi

Top 3%
×5story building
+23ft-63ft

Overall

911

Males

866

M18-39

866

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

1105

Males

1046

M18-39

1046

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1166

Males

1101

M18-39

1101

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1290

Males

1220

M18-39

1220

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1158

Males

1102

M18-39

1102

Passing Analysis

Category:
Athletes Passed
420
Passed By
128
Net Change
+292
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1021
5K → 10K7924+55#1021#966
10K → 15K737+66#966#900
15K → 20K5510+45#900#855
20K → Half170+17#855#838
Half → 25K623+59#838#779
25K → 30K317+24#779#755
30K → 20M237+16#755#739
20M → 21M830-22#739#761
21M → 35K127+5#761#756
35K → 23M1112-1#756#757
23M → 24M138+5#757#752
24M → 40K145+9#752#743
40K → 25.2M53+2#743#741
25.2M → Finish175+12#741#729
TOTALS420128+292
📊

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