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BOSTON MARATHON 2024

Guillaume Lacroix

Bib: 28495•M

NY

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:20
Rank: #19254
Start → 5K
27:20 | 8:48/mi
10K· 6.21 mi
54:15
Rank: #18757 (+497)
5K → 10K
26:55 | 8:40/mi
15K· 9.32 mi
1:22:11
Rank: #18779 (-22)
10K → 15K
27:56 | 8:59/mi
20K· 12.43 mi
1:50:40
Rank: #18524 (+255)
15K → 20K
28:29 | 9:10/mi
Half· 13.11 mi
1:56:47
Rank: #18494 (+30)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:20:04
Rank: #18384 (+110)
Half → 25K
23:17 | 9:36/mi
30K· 18.64 mi
2:52:32
Rank: #18480 (-96)
25K → 30K
32:28 | 10:27/mi
20M
3:07:27
Rank: #18575 (-95)
30K → 20M
14:55 | 10:59/mi
21M
3:19:22
Rank: #18568 (+7)
20M → 21M
11:55 | 11:55/mi
35K· 21.75 mi
3:26:45
Rank: #18473 (+95)
21M → 35K
7:23 | 9:52/mi
23M
3:41:21
Rank: #18578 (-105)
35K → 23M
14:36 | 11:40/mi
24M
3:51:52
Rank: #18525 (+53)
23M → 24M
10:31 | 10:31/mi
40K· 24.85 mi
4:00:16
Rank: #18380 (+145)
24M → 40K
8:24 | 9:49/mi
25.2M
4:03:56
Rank: #18269 (+111)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
4:13:43
Rank: #18197 (+72)
25.2M → Finish
9:47 | 9:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:47
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:16:56
Pace10:27 /mi
📊Positive Split: 17.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0127:208:4827:20
8:48
-
10K
6.21 mi12:16:5654:158:4426:55
8:40
-0:08
15K
9.32 mi12:44:521:22:118:4927:56
8:59
+0:19
20K
12.43 mi13:13:211:50:408:5428:29
9:10
+0:11
Half
13.11 mi13:19:281:56:478:546:07
8:58
-0:12
25K
15.53 mi13:42:452:20:049:0123:17
9:36
+0:38
30K
18.64 mi14:15:132:52:329:1532:28
10:27
+0:51
20M
20.00 mi14:30:083:07:279:2214:55
10:59
+0:32
21M
21.00 mi14:42:033:19:229:3011:55
11:55
+0:56
35K
21.75 mi14:49:263:26:459:307:23
9:52
-2:03
23M
23.00 mi15:04:023:41:219:3714:36
11:40
+1:48
24M
24.00 mi15:14:333:51:529:4010:31
10:31
-1:09
40K
24.85 mi15:22:574:00:169:408:24
9:49
-0:42
25.2M
25.20 mi15:26:374:03:569:413:40
10:38
+0:49
Finish
26.22 mi15:36:244:13:439:419:47
9:36
-1:02

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

8:40 /mi

Average Pace

9:41 /mi

Slowest Pace

11:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:47

46% of race

Time at Steady Pace

48:51

19% of race

Time at Slower Pace

1:28:05

35% of race

Average Pace: 9:41 /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 mi11:50:0127:208:4827:20
8:48
#19254
10K
6.21 mi12:16:5654:158:4426:55
8:40
#18757
15K
9.32 mi12:44:521:22:118:4927:56
8:59
#18779
20K
12.43 mi13:13:211:50:408:5428:29
9:10
#18524
Half
13.11 mi13:19:281:56:478:546:07
8:58
#18494
25K
15.53 mi13:42:452:20:049:0123:17
9:36
#18384
30K
18.64 mi14:15:132:52:329:1532:28
10:27
#18480
20M
20.00 mi14:30:083:07:279:2214:55
10:59
#18575
21M
21.00 mi14:42:033:19:229:3011:55
11:55
#18568
35K
21.75 mi14:49:263:26:459:307:23
9:52
#18473
23M
23.00 mi15:04:023:41:219:3714:36
11:40
#18578
24M
24.00 mi15:14:333:51:529:4010:31
10:31
#18525
40K
24.85 mi15:22:574:00:169:408:24
9:49
#18380
25.2M
25.20 mi15:26:374:03:569:413:40
10:38
#18269
Finish
26.22 mi15:36:244:13:439:419:47
9:36
#18197
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19254117151171518865(Top 74%)11648(Top 80%)11648(Top 240%)
10K6.21 mi3.10 mi18757+49711525+19011525+19018168(Top 71%)11306(Top 78%)11306(Top 233%)
15K9.32 mi3.11 mi18779-2211552-2711552-2718865(Top 74%)11648(Top 80%)11648(Top 240%)
20K12.43 mi3.11 mi18524+25511457+9511457+9518063(Top 71%)11289(Top 77%)11289(Top 233%)
Half13.11 mi0.68 mi18494+3011441+1611441+1618072(Top 71%)11203(Top 77%)11203(Top 231%)
25K15.53 mi2.42 mi18384+11011368+7311368+7317878(Top 70%)11086(Top 76%)11086(Top 229%)
30K18.64 mi3.11 mi18480-9611348+2011348+2018651(Top 73%)11229(Top 77%)11229(Top 232%)
20M20.00 mi1.36 mi18575-9511367-1911367-1919228(Top 75%)11365(Top 78%)11365(Top 234%)
21M21.00 mi1.00 mi18568+711342+2511342+2518609(Top 73%)10939(Top 75%)10939(Top 226%)
35K21.75 mi0.75 mi18473+9511280+6211280+6216737(Top 66%)9979(Top 68%)9979(Top 206%)
23M23.00 mi1.25 mi18578-10511298-1811298-1820018(Top 78%)11571(Top 79%)11571(Top 239%)
24M24.00 mi1.00 mi18525+5311254+4411254+4417874(Top 70%)10438(Top 72%)10438(Top 215%)
40K24.85 mi0.85 mi18380+14511172+8211172+8214355(Top 56%)8630(Top 59%)8630(Top 178%)
25.2M25.20 mi0.35 mi18269+11111106+6611106+6613268(Top 52%)8039(Top 55%)8039(Top 166%)
Finish26.22 mi1.02 mi18197+7211041+6511041+6516922(Top 66%)9917(Top 68%)9917(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

18865

Males

11648

M18-39

11648

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18168

Males

11306

M18-39

11306

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

18865

Males

11648

M18-39

11648

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18063

Males

11289

M18-39

11289

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18072

Males

11203

M18-39

11203

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

17878

Males

11086

M18-39

11086

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

18651

Males

11229

M18-39

11229

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19228

Males

11365

M18-39

11365

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

18609

Males

10939

M18-39

10939

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

16737

Males

9979

M18-39

9979

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20018

Males

11571

M18-39

11571

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

17874

Males

10438

M18-39

10438

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14355

Males

8630

M18-39

8630

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13268

Males

8039

M18-39

8039

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

16922

Males

9917

M18-39

9917

Passing Analysis

Category:
Athletes Passed
2522
Passed By
1465
Net Change
+1057
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19254
5K → 10K58588+497#19254#18757
10K → 15K208230-22#18757#18779
15K → 20K384129+255#18779#18524
20K → Half4919+30#18524#18494
Half → 25K262152+110#18494#18384
25K → 30K207303-96#18384#18480
30K → 20M72167-95#18480#18575
20M → 21M9689+7#18575#18568
21M → 35K11116+95#18568#18473
35K → 23M89194-105#18473#18578
23M → 24M9643+53#18578#18525
24M → 40K1472+145#18525#18380
40K → 25.2M1143+111#18380#18269
25.2M → Finish10230+72#18269#18197
TOTALS25221465+1057
📊

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