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BOSTON MARATHON 2023

Lewis Ase

Bib: 21388•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
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
8:49/mi
27:22
↑ 97↓ 3451.5%
10K· 6.21 mi
8:41/mi
54:22
↑ 79↓ 1380.4%
15K· 9.32 mi
8:51/mi
1:21:52
↑ 67↓ 78
20K· 12.43 mi
8:57/mi
1:49:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:55:35
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:16:32
↑ 66↓ 880.2%
30K· 18.64 mi
9:18/mi
2:45:27
↑ 181↓ 1480.2%
20M
9:05/mi
2:57:47
↑ 64↓ 500.2%
21M
9:29/mi
3:07:16
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:13:44
↑ 17↓ 861.7%
23M
8:54/mi
3:24:52
↑ 23↓ 630.6%
24M
8:33/mi
3:33:25
↓ 821.3%
40K· 24.85 mi
9:13/mi
3:41:18
↓ 200.3%
25.2M
9:14/mi
3:44:29
↑ 13↓ 160.2%
Finish· 26.22 mi
8:14/mi
3:52:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:35
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time1:57:17
Pace8:57 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1827:228:4927:22
8:49
-
10K
6.21 mi11:47:1854:228:4527:00
8:41
-0:08
15K
9.32 mi12:14:481:21:528:4727:30
8:51
+0:10
20K
12.43 mi12:42:361:49:408:4927:48
8:57
+0:06
Half
13.11 mi12:48:311:55:358:495:55
8:40
-0:17
25K
15.53 mi13:09:282:16:328:4720:57
8:38
-0:02
30K
18.64 mi13:38:232:45:278:5328:55
9:18
+0:40
20M
20.00 mi13:50:432:57:478:5312:20
9:05
-0:13
21M
21.00 mi14:00:123:07:168:559:29
9:29
+0:24
35K
21.75 mi14:06:403:13:448:546:28
8:39
-0:50
23M
23.00 mi14:17:483:24:528:5411:08
8:54
+0:15
24M
24.00 mi14:26:213:33:258:548:33
8:33
-0:21
40K
24.85 mi14:34:143:41:188:547:53
9:13
+0:40
25.2M
25.20 mi14:37:253:44:298:543:11
9:14
+0:01
Finish
26.22 mi14:45:483:52:528:538:23
8:14
-1:00

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

8:14 /mi

Average Pace

8:53 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:04

73% of race

Time at Steady Pace

1:01:48

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:53 /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 mi11:20:1827:228:4927:22
8:49
#19500
10K
6.21 mi11:47:1854:228:4527:00
8:41
#19394
15K
9.32 mi12:14:481:21:528:4727:30
8:51
#19516
20K
12.43 mi12:42:361:49:408:4927:48
8:57
#19445
Half
13.11 mi12:48:311:55:358:495:55
8:40
#19407
25K
15.53 mi13:09:282:16:328:4720:57
8:38
#19029
30K
18.64 mi13:38:232:45:278:5328:55
9:18
#18979
20M
20.00 mi13:50:432:57:478:5312:20
9:05
#18822
21M
21.00 mi14:00:123:07:168:559:29
9:29
#18629
35K
21.75 mi14:06:403:13:448:546:28
8:39
#18532
23M
23.00 mi14:17:483:24:528:5411:08
8:54
#18344
24M
24.00 mi14:26:213:33:258:548:33
8:33
#18205
40K
24.85 mi14:34:143:41:188:547:53
9:13
#18163
25.2M
25.20 mi14:37:253:44:298:543:11
9:14
#18117
Finish
26.22 mi14:45:483:52:528:538:23
8:14
#17949
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19500119661196619792(Top 74%)12208(Top 80%)12208(Top 1100%)
10K6.21 mi3.10 mi19394+10611976-1011976-1019358(Top 73%)12036(Top 79%)12036(Top 1084%)
15K9.32 mi3.11 mi19516-12212039-6312039-6319792(Top 74%)12208(Top 80%)12208(Top 1100%)
20K12.43 mi3.11 mi19445+7112029+1012029+1019443(Top 73%)12071(Top 80%)12071(Top 1087%)
Half13.11 mi0.68 mi19407+3812012+1712012+1718734(Top 70%)11789(Top 78%)11789(Top 1062%)
25K15.53 mi2.42 mi19029+37811873+13911873+13917038(Top 64%)10991(Top 72%)10991(Top 990%)
30K18.64 mi3.11 mi18979+5011832+4111832+4118654(Top 70%)11626(Top 77%)11626(Top 1047%)
20M20.00 mi1.36 mi18822+15711750+8211750+8216912(Top 64%)10794(Top 71%)10794(Top 972%)
21M21.00 mi1.00 mi18629+19311663+8711663+8715875(Top 60%)10303(Top 68%)10303(Top 928%)
35K21.75 mi0.75 mi18532+9711609+5411609+5416080(Top 60%)10330(Top 68%)10330(Top 931%)
23M23.00 mi1.25 mi18344+18811509+10011509+10015492(Top 58%)10032(Top 66%)10032(Top 904%)
24M24.00 mi1.00 mi18205+13911441+6811441+6814767(Top 55%)9658(Top 64%)9658(Top 870%)
40K24.85 mi0.85 mi18163+4211410+3111410+3117165(Top 64%)10652(Top 70%)10652(Top 960%)
25.2M25.20 mi0.35 mi18117+4611385+2511385+2513788(Top 52%)9156(Top 60%)9156(Top 825%)
Finish26.22 mi1.02 mi17949+16811304+8111304+8113612(Top 51%)9071(Top 60%)9071(Top 817%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

19792

Males

12208

M60-64

12208

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19358

Males

12036

M60-64

12036

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

19792

Males

12208

M60-64

12208

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

19443

Males

12071

M60-64

12071

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18734

Males

11789

M60-64

11789

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17038

Males

10991

M60-64

10991

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18654

Males

11626

M60-64

11626

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

16912

Males

10794

M60-64

10794

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15875

Males

10303

M60-64

10303

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

16080

Males

10330

M60-64

10330

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15492

Males

10032

M60-64

10032

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14767

Males

9658

M60-64

9658

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17165

Males

10652

M60-64

10652

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13788

Males

9156

M60-64

9156

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13612

Males

9071

M60-64

9071

Passing Analysis

Category:
Athletes Passed
2459
Passed By
908
Net Change
+1551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19500
5K → 10K389283+106#19500#19394
10K → 15K129251-122#19394#19516
15K → 20K194123+71#19516#19445
20K → Half5416+38#19445#19407
Half → 25K3846+378#19407#19029
25K → 30K192142+50#19029#18979
30K → 20M17922+157#18979#18822
20M → 21M2007+193#18822#18629
21M → 35K1036+97#18629#18532
35K → 23M20012+188#18532#18344
23M → 24M1445+139#18344#18205
24M → 40K6927+42#18205#18163
40K → 25.2M482+46#18163#18117
25.2M → Finish1746+168#18117#17949
TOTALS2459908+1551
📊

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