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BOSTON MARATHON 2024

Alexander Greco

Bib: 28979•M

ID

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
24:12
Rank: #13000
Start → 5K
24:12 | 7:47/mi
10K· 6.21 mi
47:24
Rank: #11478 (+1522)
5K → 10K
23:12 | 7:28/mi
15K· 9.32 mi
1:10:36
Rank: #10769 (+709)
10K → 15K
23:12 | 7:28/mi
20K· 12.43 mi
1:34:38
Rank: #10495 (+274)
15K → 20K
24:02 | 7:44/mi
Half· 13.11 mi
1:39:36
Rank: #10333 (+162)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:58:13
Rank: #9867 (+466)
Half → 25K
18:37 | 7:41/mi
30K· 18.64 mi
2:23:51
Rank: #9660 (+207)
25K → 30K
25:38 | 8:15/mi
20M
2:35:30
Rank: #9607 (+53)
30K → 20M
11:39 | 8:34/mi
21M
2:45:12
Rank: #9712 (-105)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
2:54:31
Rank: #10633 (-921)
21M → 35K
9:19 | 12:27/mi
23M
3:15:25
Rank: #13327 (-2694)
35K → 23M
20:54 | 16:42/mi
24M
3:30:47
Rank: #14769 (-1442)
23M → 24M
15:22 | 15:22/mi
40K· 24.85 mi
3:40:43
Rank: #15122 (-353)
24M → 40K
9:56 | 11:37/mi
25.2M
3:45:36
Rank: #15331 (-209)
40K → 25.2M
4:53 | 14:10/mi
Finish· 26.22 mi
3:55:22
Rank: #15375 (-44)
25.2M → Finish
9:46 | 9:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:36
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time2:15:46
Pace10:21 /mi
📊Positive Split: 36.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:2424:127:4724:12
7:47
-
10K
6.21 mi12:07:3647:247:3823:12
7:28
-0:19
15K
9.32 mi12:30:481:10:367:3423:12
7:28
0:00
20K
12.43 mi12:54:501:34:387:3724:02
7:44
+0:16
Half
13.11 mi12:59:481:39:367:364:58
7:17
-0:27
25K
15.53 mi13:18:251:58:137:3718:37
7:41
+0:24
30K
18.64 mi13:44:032:23:517:4325:38
8:15
+0:34
20M
20.00 mi13:55:422:35:307:4611:39
8:34
+0:19
21M
21.00 mi14:05:242:45:127:529:42
9:42
+1:08
35K
21.75 mi14:14:432:54:318:019:19
12:27
+2:45
23M
23.00 mi14:35:373:15:258:3020:54
16:42
+4:15
24M
24.00 mi14:50:593:30:478:4715:22
15:22
-1:20
40K
24.85 mi15:00:553:40:438:539:56
11:37
-3:45
25.2M
25.20 mi15:05:483:45:368:574:53
14:10
+2:33
Finish
26.22 mi15:15:343:55:228:599:46
9:35
-4:35

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

7:17 /mi

Average Pace

8:59 /mi

Slowest Pace

16:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:54:58

74% of race

Time at Slower Pace

1:00:24

26% of race

Average Pace: 8:59 /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 mi11:44:2424:127:4724:12
7:47
#13000
10K
6.21 mi12:07:3647:247:3823:12
7:28
#11478
15K
9.32 mi12:30:481:10:367:3423:12
7:28
#10769
20K
12.43 mi12:54:501:34:387:3724:02
7:44
#10495
Half
13.11 mi12:59:481:39:367:364:58
7:17
#10333
25K
15.53 mi13:18:251:58:137:3718:37
7:41
#9867
30K
18.64 mi13:44:032:23:517:4325:38
8:15
#9660
20M
20.00 mi13:55:422:35:307:4611:39
8:34
#9607
21M
21.00 mi14:05:242:45:127:529:42
9:42
#9712
35K
21.75 mi14:14:432:54:318:019:19
12:27
#10633
23M
23.00 mi14:35:373:15:258:3020:54
16:42
#13327
24M
24.00 mi14:50:593:30:478:4715:22
15:22
#14769
40K
24.85 mi15:00:553:40:438:539:56
11:37
#15122
25.2M
25.20 mi15:05:483:45:368:574:53
14:10
#15331
Finish
26.22 mi15:15:343:55:228:599:46
9:35
#15375
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi13000924592459409(Top 37%)7512(Top 52%)7512(Top 155%)
10K6.21 mi3.10 mi11478+15228583+6628583+6629987(Top 39%)7881(Top 54%)7881(Top 163%)
15K9.32 mi3.11 mi10769+7098241+3428241+3429409(Top 37%)7512(Top 52%)7512(Top 155%)
20K12.43 mi3.11 mi10495+2748070+1718070+1719984(Top 39%)7645(Top 52%)7645(Top 158%)
Half13.11 mi0.68 mi10333+1627968+1027968+1027530(Top 29%)6338(Top 43%)6338(Top 131%)
25K15.53 mi2.42 mi9867+4667687+2817687+2818145(Top 32%)6513(Top 45%)6513(Top 134%)
30K18.64 mi3.11 mi9660+2077503+1847503+1849291(Top 36%)6911(Top 47%)6911(Top 143%)
20M20.00 mi1.36 mi9607+537404+997404+999830(Top 38%)6955(Top 48%)6955(Top 143%)
21M21.00 mi1.00 mi9712-1057412-87412-811700(Top 46%)7568(Top 52%)7568(Top 156%)
35K21.75 mi0.75 mi10633-9217830-4187830-41822501(Top 88%)12867(Top 88%)12867(Top 265%)
23M23.00 mi1.25 mi13327-26948986-11568986-115625250(Top 99%)14376(Top 99%)14376(Top 296%)
24M24.00 mi1.00 mi14769-14429565-5799565-57924941(Top 98%)14157(Top 97%)14157(Top 292%)
40K24.85 mi0.85 mi15122-3539693-1289693-12819584(Top 77%)11247(Top 77%)11247(Top 232%)
25.2M25.20 mi0.35 mi15331-2099773-809773-8021812(Top 85%)12378(Top 85%)12378(Top 255%)
Finish26.22 mi1.02 mi15375-449765+89765+816855(Top 66%)9874(Top 68%)9874(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9409

Males

7512

M18-39

7512

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

9987

Males

7881

M18-39

7881

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9409

Males

7512

M18-39

7512

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

9984

Males

7645

M18-39

7645

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7530

Males

6338

M18-39

6338

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8145

Males

6513

M18-39

6513

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9291

Males

6911

M18-39

6911

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

9830

Males

6955

M18-39

6955

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

11700

Males

7568

M18-39

7568

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

22501

Males

12867

M18-39

12867

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

25250

Males

14376

M18-39

14376

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

24941

Males

14157

M18-39

14157

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

19584

Males

11247

M18-39

11247

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

21812

Males

12378

M18-39

12378

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

16855

Males

9874

M18-39

9874

Passing Analysis

Category:
Athletes Passed
4000*
Passed By
6372
Net Change
-2375
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13000
5K → 10K153513+1522#13000#11478
10K → 15K7189+709#11478#10769
15K → 20K36086+274#10769#10495
20K → Half1631+162#10495#10333
Half → 25K476*10+466#10333#9867
25K → 30K355147+207#9867#9660
30K → 20M180127+53#9660#9607
20M → 21M97202-105#9607#9712
21M → 35K8927-921#9712#10633
35K → 23M42698-2694#10633#13327
23M → 24M81450-1442#13327#14769
24M → 40K28381-353#14769#15122
40K → 25.2M10219-209#15122#15331
25.2M → Finish58102-44#15331#15375
TOTALS4000*6372-2375

* 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