Capital Road Race Management
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BOSTON MARATHON 2023

Aaron Kleinman

CO

Bib: 781 M

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
5:53/mi
18:18
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
5:56/mi
36:44
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
5:53/mi
55:02
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
5:58/mi
1:13:34
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
5:53/mi
1:17:35
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
5:56/mi
1:31:59
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:00/mi
1:50:38
↑ 181↓ 1480.2%
138 ft elev
20M
6:05/mi
1:58:54
↑ 64↓ 500.2%
148 ft elev
21M
6:27/mi
2:05:21
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:02/mi
2:09:52
↑ 17↓ 861.7%
156 ft elev
23M
6:06/mi
2:17:30
↑ 23↓ 630.6%
116 ft elev
24M
5:57/mi
2:23:27
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:14/mi
2:28:47
↓ 200.3%
20 ft elev
25.2M
6:43/mi
2:31:06
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:05/mi
2:37:18
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:17:355:55 /mi⚡ faster
2nd Half
1:19:436:05 /mi+2.7%
Positive split — 2.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

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 mi512472472491454454
10K6.21 mi3.10 mi574-62532-60532-60647604604
15K9.32 mi3.11 mi549+25507+25507+25491454454
20K12.43 mi3.11 mi533+16492+15492+15514474474
Half13.11 mi0.68 mi530+3490+2490+2511473473
25K15.53 mi2.42 mi516+14476+14476+14449415415
30K18.64 mi3.11 mi483+33445+31445+31382351351
20M20.00 mi1.36 mi469+14434+11434+11454420420
21M21.00 mi1.00 mi461+8426+8426+8560526526
35K21.75 mi0.75 mi465-4429-3429-3749708708
23M23.00 mi1.25 mi457+8421+8421+8449419419
24M24.00 mi1.00 mi453+4417+4417+4450423423
40K24.85 mi0.85 mi454-1418-1418-1720681681
25.2M25.20 mi0.35 mi451+3416+2416+2895851851
Finish26.22 mi1.02 mi447+4412+4412+4925883883

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

491

Males

454

M45-49

454

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

647

Males

604

M45-49

604

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

491

Males

454

M45-49

454

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

514

Males

474

M45-49

474

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

511

Males

473

M45-49

473

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

449

Males

415

M45-49

415

25K→30K

15.5 - 18.6 mi

Top 1%
×9story building
+181ft-148ft

Overall

382

Males

351

M45-49

351

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

454

Males

420

M45-49

420

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

560

Males

526

M45-49

526

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

749

Males

708

M45-49

708

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

449

Males

419

M45-49

419

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+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%
×2story building
+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 Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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