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BOSTON MARATHON 2024

Andres Alfaro

Bib: 11882•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 36%
Gender (Male)
#0 / 14578
Top 47%
Masters (Masters Men)
#0 / 9729
Top 37%
Division (M50-54)
#0 / 1935
Top 38%
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
7:55/mi
24:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
49:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:13:26
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:37:52
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:43:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:02:27
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:27:53
↑ 181↓ 1480.2%
20M
8:04/mi
2:38:51
↑ 64↓ 500.2%
21M
8:31/mi
2:47:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:53:21
↑ 17↓ 861.7%
23M
7:59/mi
3:03:21
↑ 23↓ 630.6%
24M
7:50/mi
3:11:11
↓ 821.3%
40K· 24.85 mi
7:51/mi
3:17:54
↓ 200.3%
25.2M
8:30/mi
3:20:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:28:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:14
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:45:11
Pace8:01 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5124:377:5524:37
7:55
-
10K
6.21 mi11:17:2249:087:5424:31
7:53
-0:02
15K
9.32 mi11:41:401:13:267:5324:18
7:49
-0:04
20K
12.43 mi12:06:061:37:527:5324:26
7:52
+0:03
Half
13.11 mi12:11:281:43:147:525:22
7:52
0:00
25K
15.53 mi12:30:412:02:277:5319:13
7:56
+0:04
30K
18.64 mi12:56:072:27:537:5625:26
8:11
+0:15
20M
20.00 mi13:07:052:38:517:5710:58
8:04
-0:07
21M
21.00 mi13:15:362:47:227:588:31
8:31
+0:27
35K
21.75 mi13:21:352:53:217:585:59
8:00
-0:31
23M
23.00 mi13:31:353:03:217:5810:00
7:59
-0:01
24M
24.00 mi13:39:253:11:117:587:50
7:50
-0:09
40K
24.85 mi13:46:083:17:547:586:43
7:51
+0:01
25.2M
25.20 mi13:49:043:20:507:582:56
8:30
+0:39
Finish
26.22 mi13:56:393:28:257:577:35
7:26
-1:04

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

7:26 /mi

Average Pace

7:57 /mi

Slowest Pace

8:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:32

82% of race

Time at Steady Pace

36:53

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi10:52:5124:377:5524:37
7:55
#14038
10K
6.21 mi11:17:2249:087:5424:31
7:53
#13702
15K
9.32 mi11:41:401:13:267:5324:18
7:49
#13132
20K
12.43 mi12:06:061:37:527:5324:26
7:52
#12456
Half
13.11 mi12:11:281:43:147:525:22
7:52
#12402
25K
15.53 mi12:30:412:02:277:5319:13
7:56
#11845
30K
18.64 mi12:56:072:27:537:5625:26
8:11
#11189
20M
20.00 mi13:07:052:38:517:5710:58
8:04
#10779
21M
21.00 mi13:15:362:47:227:588:31
8:31
#10420
35K
21.75 mi13:21:352:53:217:585:59
8:00
#10296
23M
23.00 mi13:31:353:03:217:5810:00
7:59
#9930
24M
24.00 mi13:39:253:11:117:587:50
7:50
#9679
40K
24.85 mi13:46:083:17:547:586:43
7:51
#9441
25.2M
25.20 mi13:49:043:20:507:582:56
8:30
#9325
Finish
26.22 mi13:56:393:28:257:577:35
7:26
#9107
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi140389664966412079(Top 47%)8760(Top 60%)8760(Top 453%)
10K6.21 mi3.10 mi13702+3369518+1469518+14613343(Top 52%)9347(Top 64%)9347(Top 483%)
15K9.32 mi3.11 mi13132+5709271+2479271+24712079(Top 47%)8760(Top 60%)8760(Top 453%)
20K12.43 mi3.11 mi12456+6768967+3048967+30410846(Top 42%)8084(Top 55%)8084(Top 418%)
Half13.11 mi0.68 mi12402+548928+398928+3911739(Top 46%)8501(Top 58%)8501(Top 439%)
25K15.53 mi2.42 mi11845+5578635+2938635+2939692(Top 38%)7336(Top 50%)7336(Top 379%)
30K18.64 mi3.11 mi11189+6568241+3948241+3948928(Top 35%)6737(Top 46%)6737(Top 348%)
20M20.00 mi1.36 mi10779+4107985+2567985+2567172(Top 28%)5540(Top 38%)5540(Top 286%)
21M21.00 mi1.00 mi10420+3597755+2307755+2306302(Top 25%)4869(Top 33%)4869(Top 252%)
35K21.75 mi0.75 mi10296+1247658+977658+977759(Top 30%)5633(Top 39%)5633(Top 291%)
23M23.00 mi1.25 mi9930+3667410+2487410+2485683(Top 22%)4360(Top 30%)4360(Top 225%)
24M24.00 mi1.00 mi9679+2517237+1737237+1735741(Top 22%)4328(Top 30%)4328(Top 224%)
40K24.85 mi0.85 mi9441+2387078+1597078+1595063(Top 20%)3846(Top 26%)3846(Top 199%)
25.2M25.20 mi0.35 mi9325+1167001+777001+774481(Top 18%)3467(Top 24%)3467(Top 179%)
Finish26.22 mi1.02 mi9107+2186840+1616840+1615284(Top 21%)3968(Top 27%)3968(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12079

Males

8760

M50-54

8760

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13343

Males

9347

M50-54

9347

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12079

Males

8760

M50-54

8760

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

10846

Males

8084

M50-54

8084

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

11739

Males

8501

M50-54

8501

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

9692

Males

7336

M50-54

7336

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

8928

Males

6737

M50-54

6737

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7172

Males

5540

M50-54

5540

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6302

Males

4869

M50-54

4869

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7759

Males

5633

M50-54

5633

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5683

Males

4360

M50-54

4360

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5741

Males

4328

M50-54

4328

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5063

Males

3846

M50-54

3846

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4481

Males

3467

M50-54

3467

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5284

Males

3968

M50-54

3968

Passing Analysis

Category:
Athletes Passed
5239*
Passed By
308
Net Change
+4931
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14038
5K → 10K492156+336#14038#13702
10K → 15K59929+570#13702#13132
15K → 20K68913+676#13132#12456
20K → Half7016+54#12456#12402
Half → 25K57518+557#12402#11845
25K → 30K68731+656#11845#11189
30K → 20M4133+410#11189#10779
20M → 21M3645+359#10779#10420
21M → 35K14218+124#10420#10296
35K → 23M371*5+366#10296#9930
23M → 24M255*4+251#9930#9679
24M → 40K2413+238#9679#9441
40K → 25.2M1171+116#9441#9325
25.2M → Finish2246+218#9325#9107
TOTALS5239*308+4931

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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