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BOSTON MARATHON 2023

Kevin Leimkuhler

Bib: 3616•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 8%
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
6:00/mi
18:40
↑ 97↓ 3451.5%
10K· 6.21 mi
6:00/mi
37:18
↑ 79↓ 1380.4%
15K· 9.32 mi
5:59/mi
55:53
↑ 67↓ 78
20K· 12.43 mi
6:02/mi
1:14:37
↑ 106↓ 860.1%
Half· 13.11 mi
5:53/mi
1:18:38
↑ 19↓ 370.5%
25K· 15.53 mi
6:00/mi
1:33:12
↑ 66↓ 880.2%
30K· 18.64 mi
6:08/mi
1:52:14
↑ 181↓ 1480.2%
20M
6:06/mi
2:00:32
↑ 64↓ 500.2%
21M
6:22/mi
2:06:54
↑ 106↓ 241.6%
35K· 21.75 mi
5:50/mi
2:11:16
↑ 17↓ 861.7%
23M
6:04/mi
2:18:52
↑ 23↓ 630.6%
24M
6:02/mi
2:24:54
↓ 821.3%
40K· 24.85 mi
6:07/mi
2:30:08
↓ 200.3%
25.2M
6:29/mi
2:32:22
↑ 13↓ 160.2%
Finish· 26.22 mi
6:01/mi
2:38:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:38
Pace6:00 /mi
2nd Half
Distance13.11 mi
Time1:19:52
Pace6:06 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5318:406:0018:40
6:00
-
10K
6.21 mi10:38:3137:186:0018:38
6:00
0:00
15K
9.32 mi10:57:0655:536:0018:35
5:59
-0:01
20K
12.43 mi11:15:501:14:376:0018:44
6:02
+0:03
Half
13.11 mi11:19:511:18:386:004:01
5:53
-0:09
25K
15.53 mi11:34:251:33:126:0014:34
6:00
+0:07
30K
18.64 mi11:53:271:52:146:0119:02
6:08
+0:08
20M
20.00 mi12:01:452:00:326:028:18
6:06
-0:02
21M
21.00 mi12:08:072:06:546:036:22
6:22
+0:16
35K
21.75 mi12:12:292:11:166:024:22
5:50
-0:32
23M
23.00 mi12:20:052:18:526:027:36
6:04
+0:14
24M
24.00 mi12:26:072:24:546:026:02
6:02
-0:02
40K
24.85 mi12:31:212:30:086:025:14
6:07
+0:05
25.2M
25.20 mi12:33:352:32:226:032:14
6:29
+0:22
Finish
26.22 mi12:39:432:38:306:036:08
6:01
-0:28

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

5:50 /mi

Average Pace

6:03 /mi

Slowest Pace

6:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:16

99% of race

Time at Steady Pace

2:14

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:03 /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 mi10:19:5318:406:0018:40
6:00
#699
10K
6.21 mi10:38:3137:186:0018:38
6:00
#734
15K
9.32 mi10:57:0655:536:0018:35
5:59
#708
20K
12.43 mi11:15:501:14:376:0018:44
6:02
#677
Half
13.11 mi11:19:511:18:386:004:01
5:53
#669
25K
15.53 mi11:34:251:33:126:0014:34
6:00
#643
30K
18.64 mi11:53:271:52:146:0119:02
6:08
#608
20M
20.00 mi12:01:452:00:326:028:18
6:06
#595
21M
21.00 mi12:08:072:06:546:036:22
6:22
#578
35K
21.75 mi12:12:292:11:166:024:22
5:50
#567
23M
23.00 mi12:20:052:18:526:027:36
6:04
#551
24M
24.00 mi12:26:072:24:546:026:02
6:02
#544
40K
24.85 mi12:31:212:30:086:025:14
6:07
#536
25.2M
25.20 mi12:33:352:32:226:032:14
6:29
#533
Finish
26.22 mi12:39:432:38:306:036:08
6:01
#534
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi699654654662(Top 2%)619(Top 4%)619(Top 12%)
10K6.21 mi3.10 mi734-35690-36690-36783(Top 3%)738(Top 5%)738(Top 14%)
15K9.32 mi3.11 mi708+26664+26664+26662(Top 2%)619(Top 4%)619(Top 12%)
20K12.43 mi3.11 mi677+31634+30634+30617(Top 2%)577(Top 4%)577(Top 11%)
Half13.11 mi0.68 mi669+8626+8626+8523(Top 2%)485(Top 3%)485(Top 9%)
25K15.53 mi2.42 mi643+26602+24602+24553(Top 2%)514(Top 3%)514(Top 10%)
30K18.64 mi3.11 mi608+35567+35567+35544(Top 2%)510(Top 3%)510(Top 10%)
20M20.00 mi1.36 mi595+13555+12555+12496(Top 2%)462(Top 3%)462(Top 9%)
21M21.00 mi1.00 mi578+17538+17538+17437(Top 2%)404(Top 3%)404(Top 8%)
35K21.75 mi0.75 mi567+11527+11527+11421(Top 2%)390(Top 3%)390(Top 7%)
23M23.00 mi1.25 mi551+16513+14513+14403(Top 2%)375(Top 2%)375(Top 7%)
24M24.00 mi1.00 mi544+7506+7506+7606(Top 2%)573(Top 4%)573(Top 11%)
40K24.85 mi0.85 mi536+8499+7499+7511(Top 2%)482(Top 3%)482(Top 9%)
25.2M25.20 mi0.35 mi533+3496+3496+3459(Top 2%)433(Top 3%)433(Top 8%)
Finish26.22 mi1.02 mi534-1498-2498-2757(Top 3%)724(Top 5%)724(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

662

Males

619

M18-39

619

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

783

Males

738

M18-39

738

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

662

Males

619

M18-39

619

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

617

Males

577

M18-39

577

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

523

Males

485

M18-39

485

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

553

Males

514

M18-39

514

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

544

Males

510

M18-39

510

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

496

Males

462

M18-39

462

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

437

Males

404

M18-39

404

21M→35K

21.0 - 21.8 mi

Top 2%
×7story building
+17ft-86ft

Overall

421

Males

390

M18-39

390

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

403

Males

375

M18-39

375

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

606

Males

573

M18-39

573

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

511

Males

482

M18-39

482

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

459

Males

433

M18-39

433

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

757

Males

724

M18-39

724

Passing Analysis

Category:
Athletes Passed
284
Passed By
119
Net Change
+165
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#699
5K → 10K2156-35#699#734
10K → 15K3913+26#734#708
15K → 20K354+31#708#677
20K → Half80+8#677#669
Half → 25K293+26#669#643
25K → 30K427+35#643#608
30K → 20M218+13#608#595
20M → 21M192+17#595#578
21M → 35K110+11#578#567
35K → 23M204+16#567#551
23M → 24M125+7#551#544
24M → 40K135+8#544#536
40K → 25.2M41+3#536#533
25.2M → Finish1011-1#533#534
TOTALS284119+165
📊

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