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BOSTON MARATHON 2024

Alex Dos Santos

Bib: 3870•M

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Overall
#0 / 25550
Top 38%
Gender (Male)
#0 / 14578
Top 49%
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
20:22
Rank: #3698
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
41:17
Rank: #4114 (-416)
5K → 10K
20:55 | 6:44/mi
15K· 9.32 mi
1:03:45
Rank: #5488 (-1374)
10K → 15K
22:28 | 7:14/mi
20K· 12.43 mi
1:26:29
Rank: #5913 (-425)
15K → 20K
22:44 | 7:19/mi
Half· 13.11 mi
1:31:28
Rank: #5995 (-82)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:50:36
Rank: #6459 (-464)
Half → 25K
19:08 | 7:53/mi
30K· 18.64 mi
2:16:52
Rank: #7095 (-636)
25K → 30K
26:16 | 8:27/mi
20M
2:30:09
Rank: #7812 (-717)
30K → 20M
13:17 | 9:46/mi
21M
2:39:39
Rank: #7920 (-108)
20M → 21M
9:30 | 9:30/mi
35K· 21.75 mi
2:45:41
Rank: #7887 (+33)
21M → 35K
6:02 | 8:04/mi
23M
2:57:06
Rank: #8048 (-161)
35K → 23M
11:25 | 9:07/mi
24M
3:06:02
Rank: #8197 (-149)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:15:35
Rank: #8755 (-558)
24M → 40K
9:33 | 11:10/mi
25.2M
3:20:41
Rank: #9285 (-530)
40K → 25.2M
5:06 | 14:47/mi
Finish· 26.22 mi
3:30:46
Rank: #9740 (-455)
25.2M → Finish
10:05 | 9:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:28
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:59:18
Pace9:06 /mi
📊Positive Split: 30.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1620:226:3320:22
6:33
-
10K
6.21 mi10:46:1141:176:3920:55
6:44
+0:11
15K
9.32 mi11:08:391:03:456:5022:28
7:14
+0:30
20K
12.43 mi11:31:231:26:296:5822:44
7:19
+0:05
Half
13.11 mi11:36:221:31:286:594:59
7:18
-0:01
25K
15.53 mi11:55:301:50:367:0719:08
7:53
+0:35
30K
18.64 mi12:21:462:16:527:2126:16
8:27
+0:34
20M
20.00 mi12:35:032:30:097:3013:17
9:46
+1:19
21M
21.00 mi12:44:332:39:397:369:30
9:30
-0:16
35K
21.75 mi12:50:352:45:417:376:02
8:04
-1:26
23M
23.00 mi13:02:002:57:067:4211:25
9:07
+1:03
24M
24.00 mi13:10:563:06:027:458:56
8:56
-0:11
40K
24.85 mi13:20:293:15:357:529:33
11:10
+2:14
25.2M
25.20 mi13:25:353:20:417:585:06
14:47
+3:37
Finish
26.22 mi13:35:403:30:468:0310:05
9:54
-4:53

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

6:33 /mi

Average Pace

8:03 /mi

Slowest Pace

14:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:28

43% of race

Time at Steady Pace

1:11:47

34% of race

Time at Slower Pace

47:31

23% 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 mi10:25:1620:226:3320:22
6:33
#3698
10K
6.21 mi10:46:1141:176:3920:55
6:44
#4114
15K
9.32 mi11:08:391:03:456:5022:28
7:14
#5488
20K
12.43 mi11:31:231:26:296:5822:44
7:19
#5913
Half
13.11 mi11:36:221:31:286:594:59
7:18
#5995
25K
15.53 mi11:55:301:50:367:0719:08
7:53
#6459
30K
18.64 mi12:21:462:16:527:2126:16
8:27
#7095
20M
20.00 mi12:35:032:30:097:3013:17
9:46
#7812
21M
21.00 mi12:44:332:39:397:369:30
9:30
#7920
35K
21.75 mi12:50:352:45:417:376:02
8:04
#7887
23M
23.00 mi13:02:002:57:067:4211:25
9:07
#8048
24M
24.00 mi13:10:563:06:027:458:56
8:56
#8197
40K
24.85 mi13:20:293:15:357:529:33
11:10
#8755
25.2M
25.20 mi13:25:353:20:417:585:06
14:47
#9285
Finish
26.22 mi13:35:403:30:468:0310:05
9:54
#9740
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3698351135117687(Top 30%)6536(Top 45%)6536(Top 135%)
10K6.21 mi3.10 mi4114-4163881-3703881-3704610(Top 18%)4296(Top 29%)4296(Top 89%)
15K9.32 mi3.11 mi5488-13745034-11535034-11537687(Top 30%)6536(Top 45%)6536(Top 135%)
20K12.43 mi3.11 mi5913-4255331-2975331-2977097(Top 28%)6053(Top 42%)6053(Top 125%)
Half13.11 mi0.68 mi5995-825391-605391-607697(Top 30%)6443(Top 44%)6443(Top 133%)
25K15.53 mi2.42 mi6459-4645683-2925683-2929468(Top 37%)7223(Top 50%)7223(Top 149%)
30K18.64 mi3.11 mi7095-6366064-3816064-38110406(Top 41%)7487(Top 51%)7487(Top 154%)
20M20.00 mi1.36 mi7812-7176435-3716435-37115625(Top 61%)9571(Top 66%)9571(Top 197%)
21M21.00 mi1.00 mi7920-1086453-186453-1810824(Top 42%)7144(Top 49%)7144(Top 147%)
35K21.75 mi0.75 mi7887+336403+506403+508164(Top 32%)5846(Top 40%)5846(Top 121%)
23M23.00 mi1.25 mi8048-1616426-236426-2311751(Top 46%)7439(Top 51%)7439(Top 153%)
24M24.00 mi1.00 mi8197-1496462-366462-3611780(Top 46%)7453(Top 51%)7453(Top 154%)
40K24.85 mi0.85 mi8755-5586732-2706732-27018511(Top 72%)10709(Top 73%)10709(Top 221%)
25.2M25.20 mi0.35 mi9285-5306982-2506982-25022735(Top 89%)12868(Top 88%)12868(Top 265%)
Finish26.22 mi1.02 mi9740-4557181-1997181-19918021(Top 71%)10465(Top 72%)10465(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

7687

Males

6536

M18-39

6536

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4610

Males

4296

M18-39

4296

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

7687

Males

6536

M18-39

6536

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7097

Males

6053

M18-39

6053

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7697

Males

6443

M18-39

6443

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9468

Males

7223

M18-39

7223

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10406

Males

7487

M18-39

7487

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

15625

Males

9571

M18-39

9571

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

10824

Males

7144

M18-39

7144

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8164

Males

5846

M18-39

5846

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

11751

Males

7439

M18-39

7439

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

11780

Males

7453

M18-39

7453

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

18511

Males

10709

M18-39

10709

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

22735

Males

12868

M18-39

12868

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18021

Males

10465

M18-39

10465

Passing Analysis

Category:
Athletes Passed
649
Passed By
6690
Net Change
-6042
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3698
5K → 10K54470-416#3698#4114
10K → 15K61380-1374#4114#5488
15K → 20K70495-425#5488#5913
20K → Half1395-82#5913#5995
Half → 25K50514-464#5995#6459
25K → 30K73709-636#6459#7095
30K → 20M23740-717#7095#7812
20M → 21M91199-108#7812#7920
21M → 35K8047+33#7920#7887
35K → 23M100261-161#7887#8048
23M → 24M53202-149#8048#8197
24M → 40K15573-558#8197#8755
40K → 25.2M2532-530#8755#9285
25.2M → Finish19473-455#9285#9740
TOTALS6496690-6042
📊

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