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BOSTON MARATHON 2023

Keith Lindsey

Bib: 9458•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M40-44)
#0 / 2241
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:55
Rank: #6573
Start → 5K
7:03/mi
21:55 split
10K· 6.21 mi
43:39
Rank: #6642 (-69)
5K → 10K
7:00/mi
21:44 split
15K· 9.32 mi
1:04:59
Rank: #6328 (+314)
10K → 15K
6:52/mi
21:20 split
20K· 12.43 mi
1:26:31
Rank: #6116 (+212)
15K → 20K
6:56/mi
21:32 split
Half· 13.11 mi
1:31:18
Rank: #6135 (-19)
20K → Half
7:01/mi
4:47 split
25K· 15.53 mi
1:48:07
Rank: #5970 (+165)
Half → 25K
6:56/mi
16:49 split
30K· 18.64 mi
2:09:46
Rank: #5589 (+381)
25K → 30K
6:58/mi
21:39 split
20M
2:19:03
Rank: #5371 (+218)
30K → 20M
6:50/mi
9:17 split
21M
2:26:05
Rank: #5132 (+239)
20M → 21M
7:02/mi
7:02 split
35K· 21.75 mi
2:30:55
Rank: #4997 (+135)
21M → 35K
6:28/mi
4:50 split
23M
2:39:12
Rank: #4723 (+274)
35K → 23M
6:37/mi
8:17 split
24M
2:45:34
Rank: #4542 (+181)
23M → 24M
6:22/mi
6:22 split
40K· 24.85 mi
2:51:03
Rank: #4362 (+180)
24M → 40K
6:25/mi
5:29 split
25.2M
2:53:21
Rank: #4266 (+96)
40K → 25.2M
6:40/mi
2:18 split
Finish· 26.22 mi
2:59:31
Rank: #4043 (+223)
25.2M → Finish
6:03/mi
6:10 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:31:18
Pace6:58 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:13
Pace6:44 /mi
📊Negative Split: 3.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5621:557:0321:55
7:03
-
10K
6.21 mi11:09:4043:397:0121:44
7:00
-0:03
15K
9.32 mi11:31:001:04:596:5821:20
6:52
-0:08
20K
12.43 mi11:52:321:26:316:5821:32
6:56
+0:04
Half
13.11 mi11:57:191:31:186:584:47
7:01
+0:05
25K
15.53 mi12:14:081:48:076:5816:49
6:56
-0:05
30K
18.64 mi12:35:472:09:466:5821:39
6:58
+0:02
20M
20.00 mi12:45:042:19:036:579:17
6:50
-0:08
21M
21.00 mi12:52:062:26:056:577:02
7:02
+0:12
35K
21.75 mi12:56:562:30:556:564:50
6:28
-0:34
23M
23.00 mi13:05:132:39:126:558:17
6:37
+0:09
24M
24.00 mi13:11:352:45:346:546:22
6:22
-0:15
40K
24.85 mi13:17:042:51:036:535:29
6:25
+0:03
25.2M
25.20 mi13:19:222:53:216:532:18
6:40
+0:15
Finish
26.22 mi13:25:322:59:316:516:10
6:03
-0:37

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

6:03 /mi

Average Pace

6:51 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:08

17% of race

Time at Steady Pace

2:28:23

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:47:5621:557:0321:55
7:03
#6573
10K
6.21 mi11:09:4043:397:0121:44
7:00
#6642
15K
9.32 mi11:31:001:04:596:5821:20
6:52
#6328
20K
12.43 mi11:52:321:26:316:5821:32
6:56
#6116
Half
13.11 mi11:57:191:31:186:584:47
7:01
#6135
25K
15.53 mi12:14:081:48:076:5816:49
6:56
#5970
30K
18.64 mi12:35:472:09:466:5821:39
6:58
#5589
20M
20.00 mi12:45:042:19:036:579:17
6:50
#5371
21M
21.00 mi12:52:062:26:056:577:02
7:02
#5132
35K
21.75 mi12:56:562:30:556:564:50
6:28
#4997
23M
23.00 mi13:05:132:39:126:558:17
6:37
#4723
24M
24.00 mi13:11:352:45:346:546:22
6:22
#4542
40K
24.85 mi13:17:042:51:036:535:29
6:25
#4362
25.2M
25.20 mi13:19:222:53:216:532:18
6:40
#4266
Finish
26.22 mi13:25:322:59:316:516:10
6:03
#4043
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6573593859385687(Top 21%)5218(Top 34%)5218(Top 233%)
10K6.21 mi3.10 mi6642-695986-485986-486776(Top 25%)6069(Top 40%)6069(Top 271%)
15K9.32 mi3.11 mi6328+3145729+2575729+2575687(Top 21%)5218(Top 34%)5218(Top 233%)
20K12.43 mi3.11 mi6116+2125565+1645565+1645539(Top 21%)5094(Top 34%)5094(Top 227%)
Half13.11 mi0.68 mi6135-195581-165581-166534(Top 25%)5874(Top 39%)5874(Top 262%)
25K15.53 mi2.42 mi5970+1655459+1225459+1225162(Top 19%)4760(Top 31%)4760(Top 212%)
30K18.64 mi3.11 mi5589+3815137+3225137+3224135(Top 16%)3856(Top 25%)3856(Top 172%)
20M20.00 mi1.36 mi5371+2184952+1854952+1853043(Top 11%)2863(Top 19%)2863(Top 128%)
21M21.00 mi1.00 mi5132+2394738+2144738+2142331(Top 9%)2204(Top 15%)2204(Top 98%)
35K21.75 mi0.75 mi4997+1354621+1174621+1172270(Top 9%)2157(Top 14%)2157(Top 96%)
23M23.00 mi1.25 mi4723+2744389+2324389+2321855(Top 7%)1759(Top 12%)1759(Top 78%)
24M24.00 mi1.00 mi4542+1814233+1564233+1561594(Top 6%)1510(Top 10%)1510(Top 67%)
40K24.85 mi0.85 mi4362+1804073+1604073+1601277(Top 5%)1205(Top 8%)1205(Top 54%)
25.2M25.20 mi0.35 mi4266+963984+893984+89867(Top 3%)828(Top 5%)828(Top 37%)
Finish26.22 mi1.02 mi4043+2233783+2013783+201873(Top 3%)837(Top 6%)837(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5687

Males

5218

M40-44

5218

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6776

Males

6069

M40-44

6069

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5687

Males

5218

M40-44

5218

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5539

Males

5094

M40-44

5094

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6534

Males

5874

M40-44

5874

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5162

Males

4760

M40-44

4760

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4135

Males

3856

M40-44

3856

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3043

Males

2863

M40-44

2863

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2331

Males

2204

M40-44

2204

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2270

Males

2157

M40-44

2157

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1855

Males

1759

M40-44

1759

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1594

Males

1510

M40-44

1510

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1277

Males

1205

M40-44

1205

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

867

Males

828

M40-44

828

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

873

Males

837

M40-44

837

Passing Analysis

Category:
Athletes Passed
2854
Passed By
324
Net Change
+2530
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6573
5K → 10K163232-69#6573#6642
10K → 15K33218+314#6642#6328
15K → 20K23523+212#6328#6116
20K → Half928-19#6116#6135
Half → 25K17914+165#6135#5970
25K → 30K3876+381#5970#5589
30K → 20M2202+218#5589#5371
20M → 21M2390+239#5371#5132
21M → 35K1361+135#5132#4997
35K → 23M2740+274#4997#4723
23M → 24M1810+181#4723#4542
24M → 40K1800+180#4542#4362
40K → 25.2M960+96#4362#4266
25.2M → Finish2230+223#4266#4043
TOTALS2854324+2530
📊

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