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BOSTON MARATHON 2024

Luke Lesaffre

Bib: 25507•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M40-44)
#0 / 2009
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
8:14/mi
25:35
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
51:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:42/mi
1:18:11
↑ 67↓ 78
20K· 12.43 mi
8:56/mi
1:45:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:51:46
↑ 19↓ 370.5%
25K· 15.53 mi
9:06/mi
2:13:49
↑ 66↓ 880.2%
30K· 18.64 mi
9:41/mi
2:43:54
↑ 181↓ 1480.2%
20M
10:02/mi
2:57:32
↑ 64↓ 500.2%
21M
10:56/mi
3:08:28
↑ 106↓ 241.6%
35K· 21.75 mi
9:33/mi
3:15:37
↑ 17↓ 861.7%
23M
9:45/mi
3:27:50
↑ 23↓ 630.6%
24M
10:19/mi
3:38:09
↓ 821.3%
40K· 24.85 mi
10:49/mi
3:47:24
↓ 200.3%
25.2M
12:19/mi
3:51:39
↑ 13↓ 160.2%
Finish· 26.22 mi
9:57/mi
4:01:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:46
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:10:01
Pace9:55 /mi
📊Positive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:4525:358:1425:35
8:14
-
10K
6.21 mi12:07:1951:098:1425:34
8:14
0:00
15K
9.32 mi12:34:211:18:118:2327:02
8:42
+0:28
20K
12.43 mi13:02:061:45:568:3127:45
8:56
+0:14
Half
13.11 mi13:07:561:51:468:325:50
8:33
-0:23
25K
15.53 mi13:29:592:13:498:3722:03
9:06
+0:33
30K
18.64 mi14:00:042:43:548:4830:05
9:41
+0:35
20M
20.00 mi14:13:422:57:328:5313:38
10:02
+0:21
21M
21.00 mi14:24:383:08:288:5810:56
10:56
+0:54
35K
21.75 mi14:31:473:15:379:007:09
9:33
-1:23
23M
23.00 mi14:44:003:27:509:0212:13
9:45
+0:12
24M
24.00 mi14:54:193:38:099:0510:19
10:19
+0:34
40K
24.85 mi15:03:343:47:249:099:15
10:49
+0:30
25.2M
25.20 mi15:07:493:51:399:124:15
12:19
+1:30
Finish
26.22 mi15:17:574:01:479:1410:08
9:57
-2:22

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

9:14 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:49

55% of race

Time at Steady Pace

1:13:13

30% of race

Time at Slower Pace

34:45

14% of race

Average Pace: 9:13 /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 mi11:41:4525:358:1425:35
8:14
#16234
10K
6.21 mi12:07:1951:098:1425:34
8:14
#15939
15K
9.32 mi12:34:211:18:118:2327:02
8:42
#16441
20K
12.43 mi13:02:061:45:568:3127:45
8:56
#16553
Half
13.11 mi13:07:561:51:468:325:50
8:33
#16515
25K
15.53 mi13:29:592:13:498:3722:03
9:06
#16371
30K
18.64 mi14:00:042:43:548:4830:05
9:41
#16361
20M
20.00 mi14:13:422:57:328:5313:38
10:02
#16383
21M
21.00 mi14:24:383:08:288:5810:56
10:56
#16411
35K
21.75 mi14:31:473:15:379:007:09
9:33
#16388
23M
23.00 mi14:44:003:27:509:0212:13
9:45
#16277
24M
24.00 mi14:54:193:38:099:0510:19
10:19
#16338
40K
24.85 mi15:03:343:47:249:099:15
10:49
#16384
25.2M
25.20 mi15:07:493:51:399:124:15
12:19
#16452
Finish
26.22 mi15:17:574:01:479:1410:08
9:57
#16491
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi16234104921049217486(Top 68%)11024(Top 76%)11024(Top 549%)
10K6.21 mi3.10 mi15939+29510407+8510407+8515714(Top 62%)10321(Top 71%)10321(Top 514%)
15K9.32 mi3.11 mi16441-50210579-17210579-17217486(Top 68%)11024(Top 76%)11024(Top 549%)
20K12.43 mi3.11 mi16553-11210625-4610625-4617034(Top 67%)10812(Top 74%)10812(Top 538%)
Half13.11 mi0.68 mi16515+3810596+2910596+2915981(Top 63%)10330(Top 71%)10330(Top 514%)
25K15.53 mi2.42 mi16371+14410514+8210514+8215941(Top 62%)10226(Top 70%)10226(Top 509%)
30K18.64 mi3.11 mi16361+1010436+7810436+7816173(Top 63%)10080(Top 69%)10080(Top 502%)
20M20.00 mi1.36 mi16383-2210411+2510411+2516586(Top 65%)10044(Top 69%)10044(Top 500%)
21M21.00 mi1.00 mi16411-2810399+1210399+1216165(Top 63%)9725(Top 67%)9725(Top 484%)
35K21.75 mi0.75 mi16388+2310370+2910370+2915683(Top 61%)9468(Top 65%)9468(Top 471%)
23M23.00 mi1.25 mi16277+11110284+8610284+8614578(Top 57%)8844(Top 61%)8844(Top 440%)
24M24.00 mi1.00 mi16338-6110274+1010274+1017327(Top 68%)10170(Top 70%)10170(Top 506%)
40K24.85 mi0.85 mi16384-4610261+1310261+1317598(Top 69%)10239(Top 70%)10239(Top 510%)
25.2M25.20 mi0.35 mi16452-6810279-1810279-1818067(Top 71%)10460(Top 72%)10460(Top 521%)
Finish26.22 mi1.02 mi16491-3910261+1810261+1818186(Top 71%)10547(Top 72%)10547(Top 525%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

17486

Males

11024

M40-44

11024

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

15714

Males

10321

M40-44

10321

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

17486

Males

11024

M40-44

11024

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17034

Males

10812

M40-44

10812

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

15981

Males

10330

M40-44

10330

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

15941

Males

10226

M40-44

10226

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16173

Males

10080

M40-44

10080

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

16586

Males

10044

M40-44

10044

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16165

Males

9725

M40-44

9725

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

15683

Males

9468

M40-44

9468

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

14578

Males

8844

M40-44

8844

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

17327

Males

10170

M40-44

10170

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

17598

Males

10239

M40-44

10239

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18067

Males

10460

M40-44

10460

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18186

Males

10547

M40-44

10547

Passing Analysis

Category:
Athletes Passed
2055
Passed By
2312
Net Change
-257
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16234
5K → 10K443148+295#16234#15939
10K → 15K104606-502#15939#16441
15K → 20K231343-112#16441#16553
20K → Half6123+38#16553#16515
Half → 25K286142+144#16515#16371
25K → 30K249239+10#16371#16361
30K → 20M116138-22#16361#16383
20M → 21M90118-28#16383#16411
21M → 35K8360+23#16411#16388
35K → 23M16150+111#16388#16277
23M → 24M72133-61#16277#16338
24M → 40K75121-46#16338#16384
40K → 25.2M2290-68#16384#16452
25.2M → Finish62101-39#16452#16491
TOTALS20552312-257
📊

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