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BOSTON MARATHON 2024

Marcos De Sa

Bib: 14128•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 50%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:32/mi
23:24
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
47:54
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:13:10
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:39:03
↑ 106↓ 860.1%
Half· 13.11 mi
8:11/mi
1:44:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:34/mi
2:05:25
↑ 66↓ 880.2%
30K· 18.64 mi
9:03/mi
2:33:32
↑ 181↓ 1480.2%
20M
9:16/mi
2:46:08
↑ 64↓ 500.2%
21M
10:11/mi
2:56:19
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
3:02:58
↑ 17↓ 861.7%
23M
9:09/mi
3:14:26
↑ 23↓ 630.6%
24M
8:52/mi
3:23:18
↓ 821.3%
40K· 24.85 mi
9:09/mi
3:31:07
↓ 200.3%
25.2M
10:06/mi
3:34:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:31/mi
3:43:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:38
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:58:39
Pace9:03 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5923:247:3223:24
7:32
-
10K
6.21 mi11:19:2947:547:4324:30
7:53
+0:21
15K
9.32 mi11:44:451:13:107:5125:16
8:08
+0:15
20K
12.43 mi12:10:381:39:037:5825:53
8:20
+0:12
Half
13.11 mi12:16:131:44:387:595:35
8:11
-0:09
25K
15.53 mi12:37:002:05:258:0420:47
8:34
+0:23
30K
18.64 mi13:05:072:33:328:1428:07
9:03
+0:29
20M
20.00 mi13:17:432:46:088:1812:36
9:16
+0:13
21M
21.00 mi13:27:542:56:198:2410:11
10:11
+0:55
35K
21.75 mi13:34:333:02:588:256:39
8:53
-1:18
23M
23.00 mi13:46:013:14:268:2711:28
9:09
+0:16
24M
24.00 mi13:54:533:23:188:288:52
8:52
-0:17
40K
24.85 mi14:02:423:31:078:307:49
9:09
+0:17
25.2M
25.20 mi14:06:113:34:368:313:29
10:06
+0:57
Finish
26.22 mi14:14:523:43:178:318:41
8:31
-1:35

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

7:32 /mi

Average Pace

8:31 /mi

Slowest Pace

10:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:38

47% of race

Time at Steady Pace

1:32:23

41% of race

Time at Slower Pace

26:16

12% of race

Average Pace: 8:31 /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 mi10:54:5923:247:3223:24
7:32
#11019
10K
6.21 mi11:19:2947:547:4324:30
7:53
#12171
15K
9.32 mi11:44:451:13:107:5125:16
8:08
#12911
20K
12.43 mi12:10:381:39:037:5825:53
8:20
#13185
Half
13.11 mi12:16:131:44:387:595:35
8:11
#13222
25K
15.53 mi12:37:002:05:258:0420:47
8:34
#13218
30K
18.64 mi13:05:072:33:328:1428:07
9:03
#13197
20M
20.00 mi13:17:432:46:088:1812:36
9:16
#13171
21M
21.00 mi13:27:542:56:198:2410:11
10:11
#13196
35K
21.75 mi13:34:333:02:588:256:39
8:53
#13147
23M
23.00 mi13:46:013:14:268:2711:28
9:09
#13048
24M
24.00 mi13:54:533:23:188:288:52
8:52
#12959
40K
24.85 mi14:02:423:31:078:307:49
9:09
#12871
25.2M
25.20 mi14:06:113:34:368:313:29
10:06
#12825
Finish
26.22 mi14:14:523:43:178:318:41
8:31
#12738
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi110198422842214288(Top 56%)9712(Top 67%)9712(Top 438%)
10K6.21 mi3.10 mi12171-11528882-4608882-46013315(Top 52%)9340(Top 64%)9340(Top 421%)
15K9.32 mi3.11 mi12911-7409180-2989180-29814288(Top 56%)9712(Top 67%)9712(Top 438%)
20K12.43 mi3.11 mi13185-2749266-869266-8613886(Top 54%)9499(Top 65%)9499(Top 428%)
Half13.11 mi0.68 mi13222-379271-59271-513874(Top 54%)9428(Top 65%)9428(Top 425%)
25K15.53 mi2.42 mi13218+49260+119260+1113423(Top 53%)9113(Top 63%)9113(Top 411%)
30K18.64 mi3.11 mi13197+219147+1139147+11313463(Top 53%)8888(Top 61%)8888(Top 401%)
20M20.00 mi1.36 mi13171+269060+879060+8713484(Top 53%)8617(Top 59%)8617(Top 389%)
21M21.00 mi1.00 mi13196-259014+469014+4613657(Top 53%)8499(Top 58%)8499(Top 383%)
35K21.75 mi0.75 mi13147+498961+538961+5312758(Top 50%)8055(Top 55%)8055(Top 363%)
23M23.00 mi1.25 mi13048+998853+1088853+10811942(Top 47%)7540(Top 52%)7540(Top 340%)
24M24.00 mi1.00 mi12959+898782+718782+7111457(Top 45%)7294(Top 50%)7294(Top 329%)
40K24.85 mi0.85 mi12871+888688+948688+9411501(Top 45%)7180(Top 49%)7180(Top 324%)
25.2M25.20 mi0.35 mi12825+468647+418647+4111324(Top 44%)7058(Top 48%)7058(Top 318%)
Finish26.22 mi1.02 mi12738+878567+808567+8011611(Top 45%)7306(Top 50%)7306(Top 329%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14288

Males

9712

M45-49

9712

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13315

Males

9340

M45-49

9340

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14288

Males

9712

M45-49

9712

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

13886

Males

9499

M45-49

9499

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

13874

Males

9428

M45-49

9428

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

13423

Males

9113

M45-49

9113

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

13463

Males

8888

M45-49

8888

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

13484

Males

8617

M45-49

8617

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

13657

Males

8499

M45-49

8499

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

12758

Males

8055

M45-49

8055

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

11942

Males

7540

M45-49

7540

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11457

Males

7294

M45-49

7294

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11501

Males

7180

M45-49

7180

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11324

Males

7058

M45-49

7058

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11611

Males

7306

M45-49

7306

Passing Analysis

Category:
Athletes Passed
1900
Passed By
3619
Net Change
-1719
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11019
5K → 10K441196-1152#11019#12171
10K → 15K59799-740#12171#12911
15K → 20K191465-274#12911#13185
20K → Half4885-37#13185#13222
Half → 25K239235+4#13222#13218
25K → 30K290269+21#13218#13197
30K → 20M167141+26#13197#13171
20M → 21M120145-25#13171#13196
21M → 35K9647+49#13196#13147
35K → 23M18485+99#13147#13048
23M → 24M12738+89#13048#12959
24M → 40K14456+88#12959#12871
40K → 25.2M6115+46#12871#12825
25.2M → Finish13043+87#12825#12738
TOTALS19003619-1719
📊

Passing Visuals

Category:
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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