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BOSTON MARATHON 2024

Gary Lefebvre

Bib: 13578•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 45%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 47%
Division (M50-54)
#0 / 1935
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
7:51/mi
24:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
48:12
↑ 79↓ 1380.4%
15K· 9.32 mi
7:42/mi
1:12:08
↑ 67↓ 78
20K· 12.43 mi
7:59/mi
1:36:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:42:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:16/mi
2:02:22
↑ 66↓ 880.2%
30K· 18.64 mi
8:40/mi
2:29:17
↑ 181↓ 1480.2%
20M
9:13/mi
2:41:49
↑ 64↓ 500.2%
21M
9:50/mi
2:51:39
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
2:58:13
↑ 17↓ 861.7%
23M
9:01/mi
3:09:30
↑ 23↓ 630.6%
24M
8:54/mi
3:18:24
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:26:05
↓ 200.3%
25.2M
9:25/mi
3:29:20
↑ 13↓ 160.2%
Finish· 26.22 mi
8:28/mi
3:37:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:20
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:55:38
Pace8:49 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1724:237:5124:23
7:51
-
10K
6.21 mi11:18:0648:127:4523:49
7:40
-0:11
15K
9.32 mi11:42:021:12:087:4423:56
7:42
+0:02
20K
12.43 mi12:06:491:36:557:4824:47
7:59
+0:17
Half
13.11 mi12:12:141:42:207:485:25
7:56
-0:03
25K
15.53 mi12:32:162:02:227:5320:02
8:16
+0:20
30K
18.64 mi12:59:112:29:178:0026:55
8:40
+0:24
20M
20.00 mi13:11:432:41:498:0512:32
9:13
+0:33
21M
21.00 mi13:21:332:51:398:109:50
9:50
+0:37
35K
21.75 mi13:28:072:58:138:126:34
8:47
-1:03
23M
23.00 mi13:39:243:09:308:1411:17
9:01
+0:14
24M
24.00 mi13:48:183:18:248:168:54
8:54
-0:07
40K
24.85 mi13:55:593:26:058:177:41
8:59
+0:05
25.2M
25.20 mi13:59:143:29:208:183:15
9:25
+0:26
Finish
26.22 mi14:07:523:37:588:198:38
8:28
-0:57

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

7:40 /mi

Average Pace

8:19 /mi

Slowest Pace

9:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:22

56% of race

Time at Steady Pace

58:42

27% of race

Time at Slower Pace

36:54

17% of race

Average Pace: 8:19 /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 mi10:54:1724:237:5124:23
7:51
#13458
10K
6.21 mi11:18:0648:127:4523:49
7:40
#12527
15K
9.32 mi11:42:021:12:087:4423:56
7:42
#12042
20K
12.43 mi12:06:491:36:557:4824:47
7:59
#11882
Half
13.11 mi12:12:141:42:207:485:25
7:56
#11898
25K
15.53 mi12:32:162:02:227:5320:02
8:16
#11803
30K
18.64 mi12:59:112:29:178:0026:55
8:40
#11715
20M
20.00 mi13:11:432:41:498:0512:32
9:13
#11814
21M
21.00 mi13:21:332:51:398:109:50
9:50
#11818
35K
21.75 mi13:28:072:58:138:126:34
8:47
#11828
23M
23.00 mi13:39:243:09:308:1411:17
9:01
#11732
24M
24.00 mi13:48:183:18:248:168:54
8:54
#11689
40K
24.85 mi13:55:593:26:058:177:41
8:59
#11602
25.2M
25.20 mi13:59:143:29:208:183:15
9:25
#11516
Finish
26.22 mi14:07:523:37:588:198:38
8:28
#11485
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi134589445944511210(Top 44%)8390(Top 58%)8390(Top 434%)
10K6.21 mi3.10 mi12527+9319037+4089037+40811588(Top 45%)8590(Top 59%)8590(Top 444%)
15K9.32 mi3.11 mi12042+4858785+2528785+25211210(Top 44%)8390(Top 58%)8390(Top 434%)
20K12.43 mi3.11 mi11882+1608707+788707+7811656(Top 46%)8485(Top 58%)8485(Top 439%)
Half13.11 mi0.68 mi11898-168704+38704+312251(Top 48%)8752(Top 60%)8752(Top 452%)
25K15.53 mi2.42 mi11803+958618+868618+8611747(Top 46%)8351(Top 57%)8351(Top 432%)
30K18.64 mi3.11 mi11715+888494+1248494+12411499(Top 45%)8023(Top 55%)8023(Top 415%)
20M20.00 mi1.36 mi11814-998487+78487+713236(Top 52%)8506(Top 58%)8506(Top 440%)
21M21.00 mi1.00 mi11818-48424+638424+6312248(Top 48%)7832(Top 54%)7832(Top 405%)
35K21.75 mi0.75 mi11828-108402+228402+2212190(Top 48%)7778(Top 53%)7778(Top 402%)
23M23.00 mi1.25 mi11732+968286+1168286+11611219(Top 44%)7182(Top 49%)7182(Top 371%)
24M24.00 mi1.00 mi11689+438208+788208+7811622(Top 45%)7371(Top 51%)7371(Top 381%)
40K24.85 mi0.85 mi11602+878128+808128+8010796(Top 42%)6801(Top 47%)6801(Top 351%)
25.2M25.20 mi0.35 mi11516+868071+578071+578408(Top 33%)5551(Top 38%)5551(Top 287%)
Finish26.22 mi1.02 mi11485+318006+658006+6511336(Top 44%)7167(Top 49%)7167(Top 370%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11210

Males

8390

M50-54

8390

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

11588

Males

8590

M50-54

8590

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11210

Males

8390

M50-54

8390

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

11656

Males

8485

M50-54

8485

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12251

Males

8752

M50-54

8752

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

11747

Males

8351

M50-54

8351

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11499

Males

8023

M50-54

8023

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13236

Males

8506

M50-54

8506

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12248

Males

7832

M50-54

7832

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12190

Males

7778

M50-54

7778

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11219

Males

7182

M50-54

7182

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11622

Males

7371

M50-54

7371

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

10796

Males

6801

M50-54

6801

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8408

Males

5551

M50-54

5551

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11336

Males

7167

M50-54

7167

Passing Analysis

Category:
Athletes Passed
3398
Passed By
1425
Net Change
+1973
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13458
5K → 10K96736+931#13458#12527
10K → 15K52843+485#12527#12042
15K → 20K301141+160#12042#11882
20K → Half3854-16#11882#11898
Half → 25K266171+95#11898#11803
25K → 30K334246+88#11803#11715
30K → 20M119218-99#11715#11814
20M → 21M135139-4#11814#11818
21M → 35K6979-10#11818#11828
35K → 23M17882+96#11828#11732
23M → 24M11875+43#11732#11689
24M → 40K14154+87#11689#11602
40K → 25.2M948+86#11602#11516
25.2M → Finish11079+31#11516#11485
TOTALS33981425+1973
📊

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