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BOSTON MARATHON 2023

Sean Lilley

TX

Bib: 12212 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
7:54/mi
24:32
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:08/mi
49:47
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:53/mi
1:14:15
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:03/mi
1:39:16
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:58/mi
1:44:42
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:09/mi
2:04:28
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:37/mi
2:31:15
↑ 181↓ 1480.2%
138 ft elev
20M
9:20/mi
2:43:56
↑ 64↓ 500.2%
148 ft elev
21M
10:55/mi
2:54:51
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:48/mi
3:01:26
↑ 17↓ 861.7%
156 ft elev
23M
9:00/mi
3:12:42
↑ 23↓ 630.6%
116 ft elev
24M
9:06/mi
3:21:48
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:16/mi
3:29:43
↓ 200.3%
20 ft elev
25.2M
9:46/mi
3:33:05
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:40/mi
3:41:55
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:42
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:57:13
Pace8:56 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1224:327:5424:32
7:54
-
10K
6.21 mi11:17:2749:478:0125:15
8:08
+0:14
15K
9.32 mi11:41:551:14:157:5824:28
7:53
-0:15
20K
12.43 mi12:06:561:39:167:5925:01
8:03
+0:10
Half
13.11 mi12:12:221:44:427:595:26
7:58
-0:05
25K
15.53 mi12:32:082:04:288:0119:46
8:09
+0:11
30K
18.64 mi12:58:552:31:158:0726:47
8:37
+0:28
20M
20.00 mi13:11:362:43:568:1212:41
9:20
+0:43
21M
21.00 mi13:22:312:54:518:2010:55
10:55
+1:35
35K
21.75 mi13:29:063:01:268:216:35
8:48
-2:07
23M
23.00 mi13:40:223:12:428:2311:16
9:00
+0:12
24M
24.00 mi13:49:283:21:488:259:06
9:06
+0:06
40K
24.85 mi13:57:233:29:438:267:55
9:16
+0:10
25.2M
25.20 mi14:00:453:33:058:273:22
9:46
+0:30
Finish
26.22 mi14:09:353:41:558:288:50
8:40
-1:06

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

7:53 /mi

Average Pace

8:28 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:28

56% of race

Time at Steady Pace

53:28

24% of race

Time at Slower Pace

43:59

20% of race

Average Pace: 8:28 /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 mi10:52:1224:327:5424:32
7:54
#13203
10K
6.21 mi11:17:2749:478:0125:15
8:08
#14467
15K
9.32 mi11:41:551:14:157:5824:28
7:53
#14105
20K
12.43 mi12:06:561:39:167:5925:01
8:03
#14006
Half
13.11 mi12:12:221:44:427:595:26
7:58
#13999
25K
15.53 mi12:32:082:04:288:0119:46
8:09
#13957
30K
18.64 mi12:58:552:31:158:0726:47
8:37
#14202
20M
20.00 mi13:11:362:43:568:1212:41
9:20
#14529
21M
21.00 mi13:22:312:54:518:2010:55
10:55
#15063
35K
21.75 mi13:29:063:01:268:216:35
8:48
#15116
23M
23.00 mi13:40:223:12:428:2311:16
9:00
#15143
24M
24.00 mi13:49:283:21:488:259:06
9:06
#15267
40K
24.85 mi13:57:233:29:438:267:55
9:16
#15377
25.2M
25.20 mi14:00:453:33:058:273:22
9:46
#15380
Finish
26.22 mi14:09:353:41:558:288:50
8:40
#15423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi132039630963013295(Top 50%)9617(Top 63%)9617(Top 469%)
10K6.21 mi3.10 mi14467-126410130-50010130-50015707(Top 59%)10603(Top 70%)10603(Top 517%)
15K9.32 mi3.11 mi14105+3629965+1659965+16513295(Top 50%)9617(Top 63%)9617(Top 469%)
20K12.43 mi3.11 mi14006+999896+699896+6913846(Top 52%)9820(Top 65%)9820(Top 479%)
Half13.11 mi0.68 mi13999+79898-29898-214052(Top 53%)9935(Top 65%)9935(Top 484%)
25K15.53 mi2.42 mi13957+429854+449854+4413885(Top 52%)9723(Top 64%)9723(Top 474%)
30K18.64 mi3.11 mi14202-2459921-679921-6715033(Top 56%)10066(Top 66%)10066(Top 491%)
20M20.00 mi1.36 mi14529-32710024-10310024-10318138(Top 68%)11296(Top 74%)11296(Top 550%)
21M21.00 mi1.00 mi15063-53410207-18310207-18320625(Top 77%)12346(Top 81%)12346(Top 602%)
35K21.75 mi0.75 mi15116-5310210-310210-316903(Top 63%)10652(Top 70%)10652(Top 519%)
23M23.00 mi1.25 mi15143-2710200+1010200+1016052(Top 60%)10257(Top 68%)10257(Top 500%)
24M24.00 mi1.00 mi15267-12410225-2510225-2517654(Top 66%)10912(Top 72%)10912(Top 532%)
40K24.85 mi0.85 mi15377-11010247-2210247-2217321(Top 65%)10717(Top 71%)10717(Top 522%)
25.2M25.20 mi0.35 mi15380-310237+1010237+1016329(Top 61%)10252(Top 68%)10252(Top 500%)
Finish26.22 mi1.02 mi15423-4310240-310240-316318(Top 61%)10298(Top 68%)10298(Top 502%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13295

Males

9617

M50-54

9617

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15707

Males

10603

M50-54

10603

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13295

Males

9617

M50-54

9617

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13846

Males

9820

M50-54

9820

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

14052

Males

9935

M50-54

9935

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13885

Males

9723

M50-54

9723

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15033

Males

10066

M50-54

10066

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

18138

Males

11296

M50-54

11296

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20625

Males

12346

M50-54

12346

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16903

Males

10652

M50-54

10652

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16052

Males

10257

M50-54

10257

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

17654

Males

10912

M50-54

10912

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17321

Males

10717

M50-54

10717

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16329

Males

10252

M50-54

10252

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

16318

Males

10298

M50-54

10298

Passing Analysis

Category:
Athletes Passed
1272
Passed By
3492
Net Change
-2220
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13203
5K → 10K291293-1264#13203#14467
10K → 15K42664+362#14467#14105
15K → 20K226127+99#14105#14006
20K → Half3831+7#14006#13999
Half → 25K147105+42#13999#13957
25K → 30K116361-245#13957#14202
30K → 20M27354-327#14202#14529
20M → 21M11545-534#14529#15063
21M → 35K2881-53#15063#15116
35K → 23M6996-27#15116#15143
23M → 24M39163-124#15143#15267
24M → 40K31141-110#15267#15377
40K → 25.2M2831-3#15377#15380
25.2M → Finish57100-43#15380#15423
TOTALS12723492-2220
📊

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