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BOSTON MARATHON 2024

Marcelo Tosi

Bib: 8015•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 44%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 46%
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:45
Rank: #7055
Start → 5K
21:45 | 7:00/mi
10K· 6.21 mi
43:34
Rank: #6910 (+145)
5K → 10K
21:49 | 7:01/mi
15K· 9.32 mi
1:05:20
Rank: #6661 (+249)
10K → 15K
21:46 | 7:00/mi
20K· 12.43 mi
1:27:37
Rank: #6484 (+177)
15K → 20K
22:17 | 7:10/mi
Half· 13.11 mi
1:32:29
Rank: #6474 (+10)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:50:55
Rank: #6577 (-103)
Half → 25K
18:26 | 7:36/mi
30K· 18.64 mi
2:18:50
Rank: #7768 (-1191)
25K → 30K
27:55 | 8:59/mi
20M
2:31:27
Rank: #8233 (-465)
30K → 20M
12:37 | 9:17/mi
21M
2:42:20
Rank: #8759 (-526)
20M → 21M
10:53 | 10:53/mi
35K· 21.75 mi
2:49:51
Rank: #9155 (-396)
21M → 35K
7:31 | 10:03/mi
23M
3:02:46
Rank: #9753 (-598)
35K → 23M
12:55 | 10:19/mi
24M
3:13:09
Rank: #10218 (-465)
23M → 24M
10:23 | 10:23/mi
40K· 24.85 mi
3:22:17
Rank: #10608 (-390)
24M → 40K
9:08 | 10:41/mi
25.2M
3:26:39
Rank: #10833 (-225)
40K → 25.2M
4:22 | 12:40/mi
Finish· 26.22 mi
3:36:53
Rank: #11204 (-371)
25.2M → Finish
10:14 | 10:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:29
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time2:04:24
Pace9:29 /mi
📊Positive Split: 34.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0121:457:0021:45
7:00
-
10K
6.21 mi11:08:5043:347:0121:49
7:01
+0:01
15K
9.32 mi11:30:361:05:207:0121:46
7:00
-0:01
20K
12.43 mi11:52:531:27:377:0322:17
7:10
+0:10
Half
13.11 mi11:57:451:32:297:034:52
7:08
-0:02
25K
15.53 mi12:16:111:50:557:0818:26
7:36
+0:28
30K
18.64 mi12:44:062:18:507:2727:55
8:59
+1:23
20M
20.00 mi12:56:432:31:277:3412:37
9:17
+0:18
21M
21.00 mi13:07:362:42:207:4410:53
10:53
+1:36
35K
21.75 mi13:15:072:49:517:497:31
10:03
-0:50
23M
23.00 mi13:28:023:02:467:5712:55
10:19
+0:16
24M
24.00 mi13:38:253:13:098:0310:23
10:23
+0:04
40K
24.85 mi13:47:333:22:178:089:08
10:41
+0:18
25.2M
25.20 mi13:51:553:26:398:124:22
12:40
+1:59
Finish
26.22 mi14:02:093:36:538:1710:14
10:03
-2:37

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

7:00 /mi

Average Pace

8:17 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:55

51% of race

Time at Steady Pace

58:17

27% of race

Time at Slower Pace

47:41

22% of race

Average Pace: 8:16 /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 mi10:47:0121:457:0021:45
7:00
#7055
10K
6.21 mi11:08:5043:347:0121:49
7:01
#6910
15K
9.32 mi11:30:361:05:207:0121:46
7:00
#6661
20K
12.43 mi11:52:531:27:377:0322:17
7:10
#6484
Half
13.11 mi11:57:451:32:297:034:52
7:08
#6474
25K
15.53 mi12:16:111:50:557:0818:26
7:36
#6577
30K
18.64 mi12:44:062:18:507:2727:55
8:59
#7768
20M
20.00 mi12:56:432:31:277:3412:37
9:17
#8233
21M
21.00 mi13:07:362:42:207:4410:53
10:53
#8759
35K
21.75 mi13:15:072:49:517:497:31
10:03
#9155
23M
23.00 mi13:28:023:02:467:5712:55
10:19
#9753
24M
24.00 mi13:38:253:13:098:0310:23
10:23
#10218
40K
24.85 mi13:47:333:22:178:089:08
10:41
#10608
25.2M
25.20 mi13:51:553:26:398:124:22
12:40
#10833
Finish
26.22 mi14:02:093:36:538:1710:14
10:03
#11204
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7055621762176254(Top 24%)5574(Top 38%)5574(Top 251%)
10K6.21 mi3.10 mi6910+1456079+1386079+1386811(Top 27%)5988(Top 41%)5988(Top 270%)
15K9.32 mi3.11 mi6661+2495886+1935886+1936254(Top 24%)5574(Top 38%)5574(Top 251%)
20K12.43 mi3.11 mi6484+1775747+1395747+1396212(Top 24%)5464(Top 37%)5464(Top 246%)
Half13.11 mi0.68 mi6474+105728+195728+196553(Top 26%)5706(Top 39%)5706(Top 257%)
25K15.53 mi2.42 mi6577-1035772-445772-447652(Top 30%)6219(Top 43%)6219(Top 280%)
30K18.64 mi3.11 mi7768-11916461-6896461-68913146(Top 51%)8758(Top 60%)8758(Top 395%)
20M20.00 mi1.36 mi8233-4656680-2196680-21913537(Top 53%)8634(Top 59%)8634(Top 389%)
21M21.00 mi1.00 mi8759-5266909-2296909-22916015(Top 63%)9634(Top 66%)9634(Top 434%)
35K21.75 mi0.75 mi9155-3967092-1837092-18317280(Top 68%)10249(Top 70%)10249(Top 462%)
23M23.00 mi1.25 mi9753-5987324-2327324-23216465(Top 64%)9791(Top 67%)9791(Top 441%)
24M24.00 mi1.00 mi10218-4657515-1917515-19117505(Top 69%)10255(Top 70%)10255(Top 462%)
40K24.85 mi0.85 mi10608-3907652-1377652-13717203(Top 67%)10034(Top 69%)10034(Top 452%)
25.2M25.20 mi0.35 mi10833-2257738-867738-8618860(Top 74%)10875(Top 75%)10875(Top 490%)
Finish26.22 mi1.02 mi11204-3717866-1287866-12818516(Top 72%)10728(Top 74%)10728(Top 484%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6254

Males

5574

M45-49

5574

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

6811

Males

5988

M45-49

5988

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6254

Males

5574

M45-49

5574

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6212

Males

5464

M45-49

5464

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6553

Males

5706

M45-49

5706

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

7652

Males

6219

M45-49

6219

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13146

Males

8758

M45-49

8758

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

13537

Males

8634

M45-49

8634

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16015

Males

9634

M45-49

9634

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

17280

Males

10249

M45-49

10249

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

16465

Males

9791

M45-49

9791

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

17505

Males

10255

M45-49

10255

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17203

Males

10034

M45-49

10034

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

18860

Males

10875

M45-49

10875

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

18516

Males

10728

M45-49

10728

Passing Analysis

Category:
Athletes Passed
1213*
Passed By
5360
Net Change
-4149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7055
5K → 10K261116+145#7055#6910
10K → 15K29647+249#6910#6661
15K → 20K24770+177#6661#6484
20K → Half3929+10#6484#6474
Half → 25K117220-103#6474#6577
25K → 30K381229-1191#6577#7768
30K → 20M33498-465#7768#8233
20M → 21M28554-526#8233#8759
21M → 35K18414-396#8759#9155
35K → 23M43640-598#9155#9753
23M → 24M33497-465#9753#10218
24M → 40K27*417-390#10218#10608
40K → 25.2M5230-225#10608#10833
25.2M → Finish28399-371#10833#11204
TOTALS1213*5360-4149

* 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