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BOSTON MARATHON 2024

Jean-Pierre Lacasse

Bib: 9314•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 38%
Gender (Male)
#0 / 14578
Top 49%
Masters (Masters Men)
#0 / 9729
Top 40%
Division (M50-54)
#0 / 1935
Top 41%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:21
Rank: #6210
Start → 5K
6:52/mi
21:21 split
10K· 6.21 mi
42:44
Rank: #6017 (+193)
5K → 10K
6:53/mi
21:23 split
15K· 9.32 mi
1:04:47
Rank: #6266 (-249)
10K → 15K
7:06/mi
22:03 split
20K· 12.43 mi
1:29:00
Rank: #7188 (-922)
15K → 20K
7:48/mi
24:13 split
Half· 13.11 mi
1:34:07
Rank: #7274 (-86)
20K → Half
7:30/mi
5:07 split
25K· 15.53 mi
1:54:04
Rank: #7919 (-645)
Half → 25K
8:14/mi
19:57 split
30K· 18.64 mi
2:23:15
Rank: #9433 (-1514)
25K → 30K
9:24/mi
29:11 split
20M
2:34:35
Rank: #9297 (+136)
30K → 20M
8:20/mi
11:20 split
21M
2:44:55
Rank: #9604 (-307)
20M → 21M
10:20/mi
10:20 split
35K· 21.75 mi
2:51:16
Rank: #9610 (-6)
21M → 35K
8:29/mi
6:21 split
23M
3:02:27
Rank: #9650 (-40)
35K → 23M
8:56/mi
11:11 split
24M
3:11:01
Rank: #9628 (+22)
23M → 24M
8:34/mi
8:34 split
40K· 24.85 mi
3:18:41
Rank: #9676 (-48)
24M → 40K
8:58/mi
7:40 split
25.2M
3:22:07
Rank: #9694 (-18)
40K → 25.2M
9:57/mi
3:26 split
Finish· 26.22 mi
3:30:35
Rank: #9710 (-16)
25.2M → Finish
8:19/mi
8:28 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:07
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:56:28
Pace8:53 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1121:216:5221:21
6:52
-
10K
6.21 mi11:08:3442:446:5321:23
6:53
+0:01
15K
9.32 mi11:30:371:04:476:5722:03
7:06
+0:13
20K
12.43 mi11:54:501:29:007:1024:13
7:48
+0:42
Half
13.11 mi11:59:571:34:077:115:07
7:30
-0:18
25K
15.53 mi12:19:541:54:047:2119:57
8:14
+0:44
30K
18.64 mi12:49:052:23:157:4129:11
9:24
+1:10
20M
20.00 mi13:00:252:34:357:4411:20
8:20
-1:04
21M
21.00 mi13:10:452:44:557:5110:20
10:20
+2:00
35K
21.75 mi13:17:062:51:167:536:21
8:29
-1:51
23M
23.00 mi13:28:173:02:277:5611:11
8:56
+0:27
24M
24.00 mi13:36:513:11:017:588:34
8:34
-0:22
40K
24.85 mi13:44:313:18:418:007:40
8:58
+0:24
25.2M
25.20 mi13:47:573:22:078:013:26
9:57
+0:59
Finish
26.22 mi13:56:253:30:358:028:28
8:19
-1:38

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

6:52 /mi

Average Pace

8:02 /mi

Slowest Pace

10:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:07

45% of race

Time at Steady Pace

54:40

26% of race

Time at Slower Pace

1:01:48

29% of race

Average Pace: 8:02 /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 mi10:47:1121:216:5221:21
6:52
#6210
10K
6.21 mi11:08:3442:446:5321:23
6:53
#6017
15K
9.32 mi11:30:371:04:476:5722:03
7:06
#6266
20K
12.43 mi11:54:501:29:007:1024:13
7:48
#7188
Half
13.11 mi11:59:571:34:077:115:07
7:30
#7274
25K
15.53 mi12:19:541:54:047:2119:57
8:14
#7919
30K
18.64 mi12:49:052:23:157:4129:11
9:24
#9433
20M
20.00 mi13:00:252:34:357:4411:20
8:20
#9297
21M
21.00 mi13:10:452:44:557:5110:20
10:20
#9604
35K
21.75 mi13:17:062:51:167:536:21
8:29
#9610
23M
23.00 mi13:28:173:02:277:5611:11
8:56
#9650
24M
24.00 mi13:36:513:11:017:588:34
8:34
#9628
40K
24.85 mi13:44:313:18:418:007:40
8:58
#9676
25.2M
25.20 mi13:47:573:22:078:013:26
9:57
#9694
Finish
26.22 mi13:56:253:30:358:028:28
8:19
#9710
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6210560856086776(Top 27%)5922(Top 41%)5922(Top 306%)
10K6.21 mi3.10 mi6017+1935441+1675441+1675874(Top 23%)5315(Top 36%)5315(Top 275%)
15K9.32 mi3.11 mi6266-2495620-1795620-1796776(Top 27%)5922(Top 41%)5922(Top 306%)
20K12.43 mi3.11 mi7188-9226221-6016221-60110395(Top 41%)7844(Top 54%)7844(Top 405%)
Half13.11 mi0.68 mi7274-866272-516272-519082(Top 36%)7209(Top 49%)7209(Top 373%)
25K15.53 mi2.42 mi7919-6456647-3756647-37511523(Top 45%)8249(Top 57%)8249(Top 426%)
30K18.64 mi3.11 mi9433-15147384-7377384-73715011(Top 59%)9558(Top 66%)9558(Top 494%)
20M20.00 mi1.36 mi9297+1367264+1207264+1208591(Top 34%)6299(Top 43%)6299(Top 326%)
21M21.00 mi1.00 mi9604-3077359-957359-9514232(Top 56%)8766(Top 60%)8766(Top 453%)
35K21.75 mi0.75 mi9610-67315+447315+4410633(Top 42%)7042(Top 48%)7042(Top 364%)
23M23.00 mi1.25 mi9650-407272+437272+4310792(Top 42%)6970(Top 48%)6970(Top 360%)
24M24.00 mi1.00 mi9628+227211+617211+619832(Top 38%)6458(Top 44%)6458(Top 334%)
40K24.85 mi0.85 mi9676-487201+107201+1010692(Top 42%)6743(Top 46%)6743(Top 348%)
25.2M25.20 mi0.35 mi9694-187195+67195+610713(Top 42%)6730(Top 46%)6730(Top 348%)
Finish26.22 mi1.02 mi9710-167168+277168+2710375(Top 41%)6670(Top 46%)6670(Top 345%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

6776

Males

5922

M50-54

5922

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

5874

Males

5315

M50-54

5315

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

6776

Males

5922

M50-54

5922

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10395

Males

7844

M50-54

7844

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9082

Males

7209

M50-54

7209

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11523

Males

8249

M50-54

8249

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15011

Males

9558

M50-54

9558

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

8591

Males

6299

M50-54

6299

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14232

Males

8766

M50-54

8766

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

10633

Males

7042

M50-54

7042

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

10792

Males

6970

M50-54

6970

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

9832

Males

6458

M50-54

6458

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

10692

Males

6743

M50-54

6743

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

10713

Males

6730

M50-54

6730

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10375

Males

6670

M50-54

6670

Passing Analysis

Category:
Athletes Passed
1258*
Passed By
4756
Net Change
-3500
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6210
5K → 10K28895+193#6210#6017
10K → 15K73322-249#6017#6266
15K → 20K37959-922#6266#7188
20K → Half1096-86#7188#7274
Half → 25K57702-645#7274#7919
25K → 30K341548-1514#7919#9433
30K → 20M20468+136#9433#9297
20M → 21M53360-307#9297#9604
21M → 35K8288-6#9604#9610
35K → 23M141180-40#9610#9650
23M → 24M108*86+22#9650#9628
24M → 40K67115-48#9628#9676
40K → 25.2M3856-18#9676#9694
25.2M → Finish6681-16#9694#9710
TOTALS1258*4756-3500

* 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