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BOSTON MARATHON 2023

Derek Roseman

Bib: 4427•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Masters (Masters Men)
#0 / 9891
Top 13%
Division (M45-49)
#0 / 2252
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:20
Rank: #5267
Start → 5K
21:20 | 6:52/mi
10K· 6.21 mi
42:44
Rank: #5635 (-368)
5K → 10K
21:24 | 6:53/mi
15K· 9.32 mi
1:03:48
Rank: #5415 (+220)
10K → 15K
21:04 | 6:47/mi
20K· 12.43 mi
1:25:02
Rank: #5249 (+166)
15K → 20K
21:14 | 6:50/mi
Half· 13.11 mi
1:29:41
Rank: #5270 (-21)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:46:15
Rank: #5092 (+178)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:07:58
Rank: #4881 (+211)
25K → 30K
21:43 | 6:59/mi
20M
2:17:26
Rank: #4768 (+113)
30K → 20M
9:28 | 6:58/mi
21M
2:24:49
Rank: #4703 (+65)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:29:50
Rank: #4647 (+56)
21M → 35K
5:01 | 6:42/mi
23M
2:38:32
Rank: #4541 (+106)
35K → 23M
8:42 | 6:57/mi
24M
2:45:18
Rank: #4469 (+72)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:51:10
Rank: #4396 (+73)
24M → 40K
5:52 | 6:52/mi
25.2M
2:53:44
Rank: #4370 (+26)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:00:26
Rank: #4292 (+78)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:41
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:30:45
Pace6:55 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2821:206:5221:20
6:52
-
10K
6.21 mi10:44:5242:446:5321:24
6:53
+0:01
15K
9.32 mi11:05:561:03:486:5121:04
6:47
-0:06
20K
12.43 mi11:27:101:25:026:5121:14
6:50
+0:03
Half
13.11 mi11:31:491:29:416:504:39
6:49
-0:01
25K
15.53 mi11:48:231:46:156:5016:34
6:50
+0:01
30K
18.64 mi12:10:062:07:586:5221:43
6:59
+0:09
20M
20.00 mi12:19:342:17:266:529:28
6:58
-0:01
21M
21.00 mi12:26:572:24:496:547:23
7:23
+0:25
35K
21.75 mi12:31:582:29:506:535:01
6:42
-0:41
23M
23.00 mi12:40:402:38:326:548:42
6:57
+0:15
24M
24.00 mi12:47:262:45:186:536:46
6:46
-0:11
40K
24.85 mi12:53:182:51:106:535:52
6:52
+0:06
25.2M
25.20 mi12:55:522:53:446:542:34
7:27
+0:35
Finish
26.22 mi13:02:343:00:266:536:42
6:34
-0:53

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

6:34 /mi

Average Pace

6:53 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:29

94% of race

Time at Steady Pace

9:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:23:2821:206:5221:20
6:52
#5267
10K
6.21 mi10:44:5242:446:5321:24
6:53
#5635
15K
9.32 mi11:05:561:03:486:5121:04
6:47
#5415
20K
12.43 mi11:27:101:25:026:5121:14
6:50
#5249
Half
13.11 mi11:31:491:29:416:504:39
6:49
#5270
25K
15.53 mi11:48:231:46:156:5016:34
6:50
#5092
30K
18.64 mi12:10:062:07:586:5221:43
6:59
#4881
20M
20.00 mi12:19:342:17:266:529:28
6:58
#4768
21M
21.00 mi12:26:572:24:496:547:23
7:23
#4703
35K
21.75 mi12:31:582:29:506:535:01
6:42
#4647
23M
23.00 mi12:40:402:38:326:548:42
6:57
#4541
24M
24.00 mi12:47:262:45:186:536:46
6:46
#4469
40K
24.85 mi12:53:182:51:106:535:52
6:52
#4396
25.2M
25.20 mi12:55:522:53:446:542:34
7:27
#4370
Finish
26.22 mi13:02:343:00:266:536:42
6:34
#4292
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5267487448744923(Top 18%)4574(Top 30%)4574(Top 203%)
10K6.21 mi3.10 mi5635-3685187-3135187-3136023(Top 23%)5478(Top 36%)5478(Top 243%)
15K9.32 mi3.11 mi5415+2205002+1855002+1854923(Top 18%)4574(Top 30%)4574(Top 203%)
20K12.43 mi3.11 mi5249+1664865+1374865+1374758(Top 18%)4420(Top 29%)4420(Top 196%)
Half13.11 mi0.68 mi5270-214880-154880-155318(Top 20%)4901(Top 32%)4901(Top 218%)
25K15.53 mi2.42 mi5092+1784725+1554725+1554437(Top 17%)4135(Top 27%)4135(Top 184%)
30K18.64 mi3.11 mi4881+2114540+1854540+1854285(Top 16%)3987(Top 26%)3987(Top 177%)
20M20.00 mi1.36 mi4768+1134435+1054435+1053824(Top 14%)3560(Top 23%)3560(Top 158%)
21M21.00 mi1.00 mi4703+654382+534382+534060(Top 15%)3738(Top 25%)3738(Top 166%)
35K21.75 mi0.75 mi4647+564327+554327+553621(Top 14%)3355(Top 22%)3355(Top 149%)
23M23.00 mi1.25 mi4541+1064228+994228+993525(Top 13%)3266(Top 22%)3266(Top 145%)
24M24.00 mi1.00 mi4469+724170+584170+583483(Top 13%)3208(Top 21%)3208(Top 142%)
40K24.85 mi0.85 mi4396+734103+674103+673128(Top 12%)2872(Top 19%)2872(Top 128%)
25.2M25.20 mi0.35 mi4370+264077+264077+263639(Top 14%)3267(Top 22%)3267(Top 145%)
Finish26.22 mi1.02 mi4292+784004+734004+732866(Top 11%)2603(Top 17%)2603(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4923

Males

4574

M45-49

4574

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6023

Males

5478

M45-49

5478

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4923

Males

4574

M45-49

4574

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4758

Males

4420

M45-49

4420

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5318

Males

4901

M45-49

4901

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4437

Males

4135

M45-49

4135

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4285

Males

3987

M45-49

3987

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3824

Males

3560

M45-49

3560

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4060

Males

3738

M45-49

3738

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3621

Males

3355

M45-49

3355

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3525

Males

3266

M45-49

3266

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3483

Males

3208

M45-49

3208

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3128

Males

2872

M45-49

2872

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3639

Males

3267

M45-49

3267

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2866

Males

2603

M45-49

2603

Passing Analysis

Category:
Athletes Passed
1694
Passed By
719
Net Change
+975
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5267
5K → 10K76444-368#5267#5635
10K → 15K25434+220#5635#5415
15K → 20K19731+166#5415#5249
20K → Half1132-21#5249#5270
Half → 25K19820+178#5270#5092
25K → 30K25443+211#5092#4881
30K → 20M12512+113#4881#4768
20M → 21M8924+65#4768#4703
21M → 35K6812+56#4703#4647
35K → 23M12418+106#4647#4541
23M → 24M8513+72#4541#4469
24M → 40K8512+73#4469#4396
40K → 25.2M3610+26#4396#4370
25.2M → Finish9214+78#4370#4292
TOTALS1694719+975
📊

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