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BOSTON MARATHON 2024

Matt Lafrance

Bib: 26172•M

UT

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
10:37/mi
32:59
↑ 97↓ 3451.5%
10K· 6.21 mi
10:51/mi
1:06:43
↑ 79↓ 1380.4%
15K· 9.32 mi
10:37/mi
1:39:43
↑ 67↓ 78
20K· 12.43 mi
10:52/mi
2:13:28
↑ 106↓ 860.1%
Half· 13.11 mi
10:24/mi
2:20:34
↑ 19↓ 370.5%
25K· 15.53 mi
11:07/mi
2:47:31
↑ 66↓ 880.2%
30K· 18.64 mi
11:47/mi
3:24:07
↑ 181↓ 1480.2%
20M
12:20/mi
3:40:52
↑ 64↓ 500.2%
21M
13:10/mi
3:54:02
↑ 106↓ 241.6%
35K· 21.75 mi
12:23/mi
4:03:18
↑ 17↓ 861.7%
23M
12:25/mi
4:18:51
↑ 23↓ 630.6%
24M
12:19/mi
4:31:10
↓ 821.3%
40K· 24.85 mi
11:46/mi
4:41:14
↓ 200.3%
25.2M
13:00/mi
4:45:43
↑ 13↓ 160.2%
Finish· 26.22 mi
10:15/mi
4:56:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:34
Pace10:43 /mi
2nd Half
Distance13.11 mi
Time2:35:36
Pace11:52 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3032:5910:3732:59
10:37
-
10K
6.21 mi12:25:141:06:4310:4433:44
10:51
+0:14
15K
9.32 mi12:58:141:39:4310:4233:00
10:37
-0:14
20K
12.43 mi13:31:592:13:2810:4433:45
10:52
+0:15
Half
13.11 mi13:39:052:20:3410:437:06
10:24
-0:28
25K
15.53 mi14:06:022:47:3110:4726:57
11:07
+0:43
30K
18.64 mi14:42:383:24:0710:5736:36
11:47
+0:40
20M
20.00 mi14:59:233:40:5211:0316:45
12:20
+0:33
21M
21.00 mi15:12:333:54:0211:0913:10
13:10
+0:50
35K
21.75 mi15:21:494:03:1811:119:16
12:23
-0:47
23M
23.00 mi15:37:224:18:5111:1515:33
12:25
+0:02
24M
24.00 mi15:49:414:31:1011:1812:19
12:19
-0:06
40K
24.85 mi15:59:454:41:1411:1910:04
11:46
-0:33
25.2M
25.20 mi16:04:144:45:4311:204:29
13:00
+1:14
Finish
26.22 mi16:14:414:56:1011:1810:27
10:15
-2:45

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

10:15 /mi

Average Pace

11:18 /mi

Slowest Pace

13:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:58

60% of race

Time at Steady Pace

46:40

16% of race

Time at Slower Pace

1:11:32

24% of race

Average Pace: 11:18 /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 mi11:51:3032:5910:3732:59
10:37
#24298
10K
6.21 mi12:25:141:06:4310:4433:44
10:51
#24217
15K
9.32 mi12:58:141:39:4310:4233:00
10:37
#23832
20K
12.43 mi13:31:592:13:2810:4433:45
10:52
#23504
Half
13.11 mi13:39:052:20:3410:437:06
10:24
#23451
25K
15.53 mi14:06:022:47:3110:4726:57
11:07
#23163
30K
18.64 mi14:42:383:24:0710:5736:36
11:47
#22876
20M
20.00 mi14:59:233:40:5211:0316:45
12:20
#22812
21M
21.00 mi15:12:333:54:0211:0913:10
13:10
#22747
35K
21.75 mi15:21:494:03:1811:119:16
12:23
#22740
23M
23.00 mi15:37:224:18:5111:1515:33
12:25
#22693
24M
24.00 mi15:49:414:31:1011:1812:19
12:19
#22657
40K
24.85 mi15:59:454:41:1411:1910:04
11:46
#22581
25.2M
25.20 mi16:04:144:45:4311:204:29
13:00
#22546
Finish
26.22 mi16:14:414:56:1011:1810:27
10:15
#22454
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi24298141241412423130(Top 91%)13581(Top 93%)13581(Top 676%)
10K6.21 mi3.10 mi24217+8114091+3314091+3324093(Top 94%)14020(Top 96%)14020(Top 698%)
15K9.32 mi3.11 mi23832+38513918+17313918+17323130(Top 91%)13581(Top 93%)13581(Top 676%)
20K12.43 mi3.11 mi23504+32813758+16013758+16022380(Top 88%)13216(Top 91%)13216(Top 658%)
Half13.11 mi0.68 mi23451+5313727+3113727+3122445(Top 88%)13205(Top 91%)13205(Top 657%)
25K15.53 mi2.42 mi23163+28813574+15313574+15321709(Top 85%)12831(Top 88%)12831(Top 639%)
30K18.64 mi3.11 mi22876+28713401+17313401+17321547(Top 84%)12582(Top 86%)12582(Top 626%)
20M20.00 mi1.36 mi22812+6413349+5213349+5221890(Top 86%)12646(Top 87%)12646(Top 629%)
21M21.00 mi1.00 mi22747+6513299+5013299+5021032(Top 82%)12183(Top 84%)12183(Top 606%)
35K21.75 mi0.75 mi22740+713291+813291+822414(Top 88%)12822(Top 88%)12822(Top 638%)
23M23.00 mi1.25 mi22693+4713255+3613255+3621536(Top 84%)12351(Top 85%)12351(Top 615%)
24M24.00 mi1.00 mi22657+3613223+3213223+3222029(Top 86%)12539(Top 86%)12539(Top 624%)
40K24.85 mi0.85 mi22581+7613170+5313170+5319970(Top 78%)11432(Top 78%)11432(Top 569%)
25.2M25.20 mi0.35 mi22546+3513146+2413146+2419691(Top 77%)11295(Top 77%)11295(Top 562%)
Finish26.22 mi1.02 mi22454+9213082+6413082+6419248(Top 75%)11107(Top 76%)11107(Top 553%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

23130

Males

13581

M40-44

13581

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

24093

Males

14020

M40-44

14020

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

23130

Males

13581

M40-44

13581

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

22380

Males

13216

M40-44

13216

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

22445

Males

13205

M40-44

13205

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

21709

Males

12831

M40-44

12831

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

21547

Males

12582

M40-44

12582

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

21890

Males

12646

M40-44

12646

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21032

Males

12183

M40-44

12183

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

22414

Males

12822

M40-44

12822

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

21536

Males

12351

M40-44

12351

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22029

Males

12539

M40-44

12539

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

19970

Males

11432

M40-44

11432

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

19691

Males

11295

M40-44

11295

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19248

Males

11107

M40-44

11107

Passing Analysis

Category:
Athletes Passed
2236
Passed By
392
Net Change
+1844
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24298
5K → 10K211130+81#24298#24217
10K → 15K39510+385#24217#23832
15K → 20K34214+328#23832#23504
20K → Half607+53#23504#23451
Half → 25K30012+288#23451#23163
25K → 30K32336+287#23163#22876
30K → 20M10440+64#22876#22812
20M → 21M8621+65#22812#22747
21M → 35K4437+7#22747#22740
35K → 23M7831+47#22740#22693
23M → 24M6832+36#22693#22657
24M → 40K859+76#22657#22581
40K → 25.2M394+35#22581#22546
25.2M → Finish1019+92#22546#22454
TOTALS2236392+1844
📊

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