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BOSTON MARATHON 2023

Aaron Kleinman

Bib: 781•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Masters (Masters Men)
#0 / 9891
Top 0.5%
Division (M45-49)
#0 / 2252
Top 0.4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:18
Rank: #512
Start → 5K
18:18 | 5:53/mi
10K· 6.21 mi
36:44
Rank: #574 (-62)
5K → 10K
18:26 | 5:56/mi
15K· 9.32 mi
55:02
Rank: #549 (+25)
10K → 15K
18:18 | 5:53/mi
20K· 12.43 mi
1:13:34
Rank: #533 (+16)
15K → 20K
18:32 | 5:58/mi
Half· 13.11 mi
1:17:35
Rank: #530 (+3)
20K → Half
4:01 | 5:53/mi
25K· 15.53 mi
1:31:59
Rank: #516 (+14)
Half → 25K
14:24 | 5:56/mi
30K· 18.64 mi
1:50:38
Rank: #483 (+33)
25K → 30K
18:39 | 6:00/mi
20M
1:58:54
Rank: #469 (+14)
30K → 20M
8:16 | 6:05/mi
21M
2:05:21
Rank: #461 (+8)
20M → 21M
6:27 | 6:27/mi
35K· 21.75 mi
2:09:52
Rank: #465 (-4)
21M → 35K
4:31 | 6:02/mi
23M
2:17:30
Rank: #457 (+8)
35K → 23M
7:38 | 6:06/mi
24M
2:23:27
Rank: #453 (+4)
23M → 24M
5:57 | 5:57/mi
40K· 24.85 mi
2:28:47
Rank: #454 (-1)
24M → 40K
5:20 | 6:14/mi
25.2M
2:31:06
Rank: #451 (+3)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:37:18
Rank: #447 (+4)
25.2M → Finish
6:12 | 6:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:35
Pace5:55 /mi
2nd Half
Distance13.11 mi
Time1:19:43
Pace6:05 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2418:185:5318:18
5:53
-
10K
6.21 mi10:36:5036:445:5518:26
5:56
+0:03
15K
9.32 mi10:55:0855:025:5418:18
5:53
-0:03
20K
12.43 mi11:13:401:13:345:5518:32
5:58
+0:05
Half
13.11 mi11:17:411:17:355:554:01
5:53
-0:05
25K
15.53 mi11:32:051:31:595:5514:24
5:56
+0:03
30K
18.64 mi11:50:441:50:385:5618:39
6:00
+0:04
20M
20.00 mi11:59:001:58:545:578:16
6:05
+0:05
21M
21.00 mi12:05:272:05:215:586:27
6:27
+0:22
35K
21.75 mi12:09:582:09:525:584:31
6:02
-0:25
23M
23.00 mi12:17:362:17:305:597:38
6:06
+0:04
24M
24.00 mi12:23:332:23:275:595:57
5:57
-0:09
40K
24.85 mi12:28:532:28:475:595:20
6:14
+0:17
25.2M
25.20 mi12:31:122:31:066:002:19
6:43
+0:29
Finish
26.22 mi12:37:242:37:186:006:12
6:05
-0:38

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

5:53 /mi

Average Pace

6:00 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:59

99% of race

Time at Steady Pace

2:19

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:00 /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 mi10:18:2418:185:5318:18
5:53
#512
10K
6.21 mi10:36:5036:445:5518:26
5:56
#574
15K
9.32 mi10:55:0855:025:5418:18
5:53
#549
20K
12.43 mi11:13:401:13:345:5518:32
5:58
#533
Half
13.11 mi11:17:411:17:355:554:01
5:53
#530
25K
15.53 mi11:32:051:31:595:5514:24
5:56
#516
30K
18.64 mi11:50:441:50:385:5618:39
6:00
#483
20M
20.00 mi11:59:001:58:545:578:16
6:05
#469
21M
21.00 mi12:05:272:05:215:586:27
6:27
#461
35K
21.75 mi12:09:582:09:525:584:31
6:02
#465
23M
23.00 mi12:17:362:17:305:597:38
6:06
#457
24M
24.00 mi12:23:332:23:275:595:57
5:57
#453
40K
24.85 mi12:28:532:28:475:595:20
6:14
#454
25.2M
25.20 mi12:31:122:31:066:002:19
6:43
#451
Finish
26.22 mi12:37:242:37:186:006:12
6:05
#447
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi512472472491(Top 2%)454(Top 3%)454(Top 20%)
10K6.21 mi3.10 mi574-62532-60532-60647(Top 2%)604(Top 4%)604(Top 27%)
15K9.32 mi3.11 mi549+25507+25507+25491(Top 2%)454(Top 3%)454(Top 20%)
20K12.43 mi3.11 mi533+16492+15492+15514(Top 2%)474(Top 3%)474(Top 21%)
Half13.11 mi0.68 mi530+3490+2490+2511(Top 2%)473(Top 3%)473(Top 21%)
25K15.53 mi2.42 mi516+14476+14476+14449(Top 2%)415(Top 3%)415(Top 18%)
30K18.64 mi3.11 mi483+33445+31445+31382(Top 1%)351(Top 2%)351(Top 16%)
20M20.00 mi1.36 mi469+14434+11434+11454(Top 2%)420(Top 3%)420(Top 19%)
21M21.00 mi1.00 mi461+8426+8426+8560(Top 2%)526(Top 3%)526(Top 23%)
35K21.75 mi0.75 mi465-4429-3429-3749(Top 3%)708(Top 5%)708(Top 31%)
23M23.00 mi1.25 mi457+8421+8421+8449(Top 2%)419(Top 3%)419(Top 19%)
24M24.00 mi1.00 mi453+4417+4417+4450(Top 2%)423(Top 3%)423(Top 19%)
40K24.85 mi0.85 mi454-1418-1418-1720(Top 3%)681(Top 4%)681(Top 30%)
25.2M25.20 mi0.35 mi451+3416+2416+2895(Top 3%)851(Top 6%)851(Top 38%)
Finish26.22 mi1.02 mi447+4412+4412+4925(Top 3%)883(Top 6%)883(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

491

Males

454

M45-49

454

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

647

Males

604

M45-49

604

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

491

Males

454

M45-49

454

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

514

Males

474

M45-49

474

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

511

Males

473

M45-49

473

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

449

Males

415

M45-49

415

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

382

Males

351

M45-49

351

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

454

Males

420

M45-49

420

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

560

Males

526

M45-49

526

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

749

Males

708

M45-49

708

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

449

Males

419

M45-49

419

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

450

Males

423

M45-49

423

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

720

Males

681

M45-49

681

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

895

Males

851

M45-49

851

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

925

Males

883

M45-49

883

Passing Analysis

Category:
Athletes Passed
205
Passed By
140
Net Change
+65
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#512
5K → 10K971-62#512#574
10K → 15K305+25#574#549
15K → 20K259+16#549#533
20K → Half63+3#533#530
Half → 25K184+14#530#516
25K → 30K396+33#516#483
30K → 20M173+14#483#469
20M → 21M102+8#469#461
21M → 35K15-4#461#465
35K → 23M168+8#465#457
23M → 24M84+4#457#453
24M → 40K56-1#453#454
40K → 25.2M85+3#454#451
25.2M → Finish139+4#451#447
TOTALS205140+65
📊

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