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BOSTON MARATHON 2023

Jason Lakes

Bib: 11522•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 40%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:27
Rank: #10047
Start → 5K
23:27 | 7:33/mi
10K· 6.21 mi
46:25
Rank: #9746 (+301)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:09:34
Rank: #9713 (+33)
10K → 15K
23:09 | 7:27/mi
20K· 12.43 mi
1:33:08
Rank: #9770 (-57)
15K → 20K
23:34 | 7:35/mi
Half· 13.11 mi
1:38:16
Rank: #9810 (-40)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:56:42
Rank: #9755 (+55)
Half → 25K
18:26 | 7:36/mi
30K· 18.64 mi
2:21:08
Rank: #9742 (+13)
25K → 30K
24:26 | 7:52/mi
20M
2:31:48
Rank: #9665 (+77)
30K → 20M
10:40 | 7:51/mi
21M
2:40:03
Rank: #9609 (+56)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:45:42
Rank: #9559 (+50)
21M → 35K
5:39 | 7:33/mi
23M
2:55:42
Rank: #9524 (+35)
35K → 23M
10:00 | 7:59/mi
24M
3:03:21
Rank: #9477 (+47)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
3:10:03
Rank: #9430 (+47)
24M → 40K
6:42 | 7:50/mi
25.2M
3:13:17
Rank: #9483 (-53)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:22:13
Rank: #9798 (-315)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:16
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:43:57
Pace7:56 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2323:277:3323:27
7:33
-
10K
6.21 mi11:13:2146:257:2822:58
7:24
-0:09
15K
9.32 mi11:36:301:09:347:2823:09
7:27
+0:03
20K
12.43 mi12:00:041:33:087:3023:34
7:35
+0:08
Half
13.11 mi12:05:121:38:167:305:08
7:31
-0:04
25K
15.53 mi12:23:381:56:427:3118:26
7:36
+0:05
30K
18.64 mi12:48:042:21:087:3424:26
7:52
+0:16
20M
20.00 mi12:58:442:31:487:3510:40
7:51
-0:01
21M
21.00 mi13:06:592:40:037:378:15
8:15
+0:24
35K
21.75 mi13:12:382:45:427:375:39
7:33
-0:42
23M
23.00 mi13:22:382:55:427:3810:00
7:59
+0:26
24M
24.00 mi13:30:173:03:217:387:39
7:39
-0:20
40K
24.85 mi13:36:593:10:037:396:42
7:50
+0:11
25.2M
25.20 mi13:40:133:13:177:403:14
9:23
+1:33
Finish
26.22 mi13:49:093:22:137:438:56
8:46
-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

7:24 /mi

Average Pace

7:43 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:51:48

85% of race

Time at Slower Pace

30:25

15% of race

Average Pace: 7:43 /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 mi10:50:2323:277:3323:27
7:33
#10047
10K
6.21 mi11:13:2146:257:2822:58
7:24
#9746
15K
9.32 mi11:36:301:09:347:2823:09
7:27
#9713
20K
12.43 mi12:00:041:33:087:3023:34
7:35
#9770
Half
13.11 mi12:05:121:38:167:305:08
7:31
#9810
25K
15.53 mi12:23:381:56:427:3118:26
7:36
#9755
30K
18.64 mi12:48:042:21:087:3424:26
7:52
#9742
20M
20.00 mi12:58:442:31:487:3510:40
7:51
#9665
21M
21.00 mi13:06:592:40:037:378:15
8:15
#9609
35K
21.75 mi13:12:382:45:427:375:39
7:33
#9559
23M
23.00 mi13:22:382:55:427:3810:00
7:59
#9524
24M
24.00 mi13:30:173:03:217:387:39
7:39
#9477
40K
24.85 mi13:36:593:10:037:396:42
7:50
#9430
25.2M
25.20 mi13:40:133:13:177:403:14
9:23
#9483
Finish
26.22 mi13:49:093:22:137:438:56
8:46
#9798
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10047815181519770(Top 37%)8018(Top 53%)8018(Top 356%)
10K6.21 mi3.10 mi9746+3018011+1408011+1409544(Top 36%)7894(Top 52%)7894(Top 351%)
15K9.32 mi3.11 mi9713+337986+257986+259770(Top 37%)8018(Top 53%)8018(Top 356%)
20K12.43 mi3.11 mi9770-578021-358021-359968(Top 37%)8055(Top 53%)8055(Top 358%)
Half13.11 mi0.68 mi9810-408039-188039-1810372(Top 39%)8281(Top 55%)8281(Top 368%)
25K15.53 mi2.42 mi9755+558001+388001+389554(Top 36%)7740(Top 51%)7740(Top 344%)
30K18.64 mi3.11 mi9742+137952+497952+499846(Top 37%)7746(Top 51%)7746(Top 344%)
20M20.00 mi1.36 mi9665+777874+787874+789210(Top 35%)7314(Top 48%)7314(Top 325%)
21M21.00 mi1.00 mi9609+567829+457829+458895(Top 33%)7009(Top 46%)7009(Top 311%)
35K21.75 mi0.75 mi9559+507780+497780+498899(Top 33%)7023(Top 46%)7023(Top 312%)
23M23.00 mi1.25 mi9524+357736+447736+449634(Top 36%)7307(Top 48%)7307(Top 324%)
24M24.00 mi1.00 mi9477+477678+587678+588742(Top 33%)6760(Top 45%)6760(Top 300%)
40K24.85 mi0.85 mi9430+477614+647614+648896(Top 33%)6758(Top 45%)6758(Top 300%)
25.2M25.20 mi0.35 mi9483-537640-267640-2614483(Top 54%)9439(Top 62%)9439(Top 419%)
Finish26.22 mi1.02 mi9798-3157778-1387778-13816820(Top 63%)10521(Top 69%)10521(Top 467%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9770

Males

8018

M45-49

8018

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9544

Males

7894

M45-49

7894

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9770

Males

8018

M45-49

8018

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9968

Males

8055

M45-49

8055

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10372

Males

8281

M45-49

8281

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9554

Males

7740

M45-49

7740

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9846

Males

7746

M45-49

7746

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9210

Males

7314

M45-49

7314

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8895

Males

7009

M45-49

7009

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8899

Males

7023

M45-49

7023

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9634

Males

7307

M45-49

7307

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8742

Males

6760

M45-49

6760

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8896

Males

6758

M45-49

6758

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14483

Males

9439

M45-49

9439

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16820

Males

10521

M45-49

10521

Passing Analysis

Category:
Athletes Passed
1714*
Passed By
1465
Net Change
+249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10047
5K → 10K477*176+301#10047#9746
10K → 15K183150+33#9746#9713
15K → 20K127184-57#9713#9770
20K → Half1757-40#9770#9810
Half → 25K14287+55#9810#9755
25K → 30K169*156+13#9755#9742
30K → 20M12649+77#9742#9665
20M → 21M9640+56#9665#9609
21M → 35K7222+50#9609#9559
35K → 23M10267+35#9559#9524
23M → 24M9346+47#9524#9477
24M → 40K86*39+47#9477#9430
40K → 25.2M1063-53#9430#9483
25.2M → Finish14329-315#9483#9798
TOTALS1714*1465+249

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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