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BOSTON MARATHON 2024

Ben Lacross

Bib: 10949•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 31%
Gender (Male)
#0 / 14578
Top 42%
Masters (Masters Men)
#0 / 9729
Top 31%
Division (M45-49)
#0 / 2218
Top 43%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:11
Rank: #10424
Start → 5K
7:28/mi
23:11 split
10K· 6.21 mi
46:17
Rank: #10017 (+407)
5K → 10K
7:26/mi
23:06 split
15K· 9.32 mi
1:09:17
Rank: #9602 (+415)
10K → 15K
7:24/mi
23:00 split
20K· 12.43 mi
1:32:39
Rank: #9277 (+325)
15K → 20K
7:31/mi
23:22 split
Half· 13.11 mi
1:37:39
Rank: #9199 (+78)
20K → Half
7:20/mi
5:00 split
25K· 15.53 mi
1:56:15
Rank: #8952 (+247)
Half → 25K
7:40/mi
18:36 split
30K· 18.64 mi
2:21:00
Rank: #8583 (+369)
25K → 30K
7:58/mi
24:45 split
20M
2:31:53
Rank: #8373 (+210)
30K → 20M
8:01/mi
10:53 split
21M
2:40:49
Rank: #8302 (+71)
20M → 21M
8:56/mi
8:56 split
35K· 21.75 mi
2:46:43
Rank: #8199 (+103)
21M → 35K
7:53/mi
5:54 split
23M
2:56:58
Rank: #8003 (+196)
35K → 23M
8:11/mi
10:15 split
24M
3:05:04
Rank: #7913 (+90)
23M → 24M
8:06/mi
8:06 split
40K· 24.85 mi
3:12:08
Rank: #7829 (+84)
24M → 40K
8:16/mi
7:04 split
25.2M
3:15:17
Rank: #7780 (+49)
40K → 25.2M
9:08/mi
3:09 split
Finish· 26.22 mi
3:23:35
Rank: #7793 (-13)
25.2M → Finish
8:09/mi
8:18 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:39
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:45:56
Pace8:05 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4923:117:2823:11
7:28
-
10K
6.21 mi11:13:5546:177:2723:06
7:26
-0:02
15K
9.32 mi11:36:551:09:177:2623:00
7:24
-0:02
20K
12.43 mi12:00:171:32:397:2723:22
7:31
+0:07
Half
13.11 mi12:05:171:37:397:275:00
7:20
-0:11
25K
15.53 mi12:23:531:56:157:2918:36
7:40
+0:20
30K
18.64 mi12:48:382:21:007:3424:45
7:58
+0:18
20M
20.00 mi12:59:312:31:537:3610:53
8:01
+0:03
21M
21.00 mi13:08:272:40:497:398:56
8:56
+0:55
35K
21.75 mi13:14:212:46:437:405:54
7:53
-1:03
23M
23.00 mi13:24:362:56:587:4210:15
8:11
+0:18
24M
24.00 mi13:32:423:05:047:438:06
8:06
-0:05
40K
24.85 mi13:39:463:12:087:447:04
8:16
+0:10
25.2M
25.20 mi13:42:553:15:177:453:09
9:08
+0:52
Finish
26.22 mi13:51:133:23:357:468:18
8:09
-0:59

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

7:20 /mi

Average Pace

7:46 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:15

57% of race

Time at Steady Pace

1:08:11

33% of race

Time at Slower Pace

19:09

9% of race

Average Pace: 7:46 /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 mi10:50:4923:117:2823:11
7:28
#10424
10K
6.21 mi11:13:5546:177:2723:06
7:26
#10017
15K
9.32 mi11:36:551:09:177:2623:00
7:24
#9602
20K
12.43 mi12:00:171:32:397:2723:22
7:31
#9277
Half
13.11 mi12:05:171:37:397:275:00
7:20
#9199
25K
15.53 mi12:23:531:56:157:2918:36
7:40
#8952
30K
18.64 mi12:48:382:21:007:3424:45
7:58
#8583
20M
20.00 mi12:59:312:31:537:3610:53
8:01
#8373
21M
21.00 mi13:08:272:40:497:398:56
8:56
#8302
35K
21.75 mi13:14:212:46:437:405:54
7:53
#8199
23M
23.00 mi13:24:362:56:587:4210:15
8:11
#8003
24M
24.00 mi13:32:423:05:047:438:06
8:06
#7913
40K
24.85 mi13:39:463:12:087:447:04
8:16
#7829
25.2M
25.20 mi13:42:553:15:177:453:09
9:08
#7780
Finish
26.22 mi13:51:133:23:357:468:18
8:09
#7793
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10424815681568906(Top 35%)7231(Top 50%)7231(Top 326%)
10K6.21 mi3.10 mi10017+4077938+2187938+2189678(Top 38%)7697(Top 53%)7697(Top 347%)
15K9.32 mi3.11 mi9602+4157671+2677671+2678906(Top 35%)7231(Top 50%)7231(Top 326%)
20K12.43 mi3.11 mi9277+3257468+2037468+2038510(Top 33%)6897(Top 47%)6897(Top 311%)
Half13.11 mi0.68 mi9199+787415+537415+537842(Top 31%)6527(Top 45%)6527(Top 294%)
25K15.53 mi2.42 mi8952+2477244+1717244+1718091(Top 32%)6475(Top 44%)6475(Top 292%)
30K18.64 mi3.11 mi8583+3696938+3066938+3067664(Top 30%)6013(Top 41%)6013(Top 271%)
20M20.00 mi1.36 mi8373+2106755+1836755+1836813(Top 27%)5334(Top 37%)5334(Top 240%)
21M21.00 mi1.00 mi8302+716661+946661+948236(Top 32%)5908(Top 41%)5908(Top 266%)
35K21.75 mi0.75 mi8199+1036570+916570+917068(Top 28%)5274(Top 36%)5274(Top 238%)
23M23.00 mi1.25 mi8003+1966398+1726398+1726716(Top 26%)4933(Top 34%)4933(Top 222%)
24M24.00 mi1.00 mi7913+906308+906308+907173(Top 28%)5078(Top 35%)5078(Top 229%)
40K24.85 mi0.85 mi7829+846218+906218+907132(Top 28%)4933(Top 34%)4933(Top 222%)
25.2M25.20 mi0.35 mi7780+496171+476171+477128(Top 28%)4870(Top 33%)4870(Top 220%)
Finish26.22 mi1.02 mi7793-136124+476124+479428(Top 37%)6157(Top 42%)6157(Top 278%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

8906

Males

7231

M45-49

7231

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

9678

Males

7697

M45-49

7697

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

8906

Males

7231

M45-49

7231

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8510

Males

6897

M45-49

6897

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

7842

Males

6527

M45-49

6527

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8091

Males

6475

M45-49

6475

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7664

Males

6013

M45-49

6013

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

6813

Males

5334

M45-49

5334

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8236

Males

5908

M45-49

5908

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7068

Males

5274

M45-49

5274

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6716

Males

4933

M45-49

4933

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7173

Males

5078

M45-49

5078

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7132

Males

4933

M45-49

4933

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7128

Males

4870

M45-49

4870

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9428

Males

6157

M45-49

6157

Passing Analysis

Category:
Athletes Passed
3369*
Passed By
738
Net Change
+2631
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10424
5K → 10K507*100+407#10424#10017
10K → 15K451*36+415#10017#9602
15K → 20K38156+325#9602#9277
20K → Half802+78#9277#9199
Half → 25K32073+247#9199#8952
25K → 30K45889+369#8952#8583
30K → 20M24131+210#8583#8373
20M → 21M16796+71#8373#8302
21M → 35K12219+103#8302#8199
35K → 23M23236+196#8199#8003
23M → 24M13444+90#8003#7913
24M → 40K12642+84#7913#7829
40K → 25.2M6415+49#7829#7780
25.2M → Finish8699-13#7780#7793
TOTALS3369*738+2631

* 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