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BOSTON MARATHON 2024

Alberto Salazar Brenes

Bib: 8812•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 38%
Gender (Male)
#0 / 14578
Top 49%
Masters (Masters Men)
#0 / 9729
Top 39%
Division (M40-44)
#0 / 2009
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
6:56/mi
21:32
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
43:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:06:06
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:28:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:34:01
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
1:52:45
↑ 66↓ 880.2%
30K· 18.64 mi
8:12/mi
2:18:15
↑ 181↓ 1480.2%
20M
8:40/mi
2:30:01
↑ 64↓ 500.2%
21M
10:32/mi
2:40:33
↑ 106↓ 241.6%
35K· 21.75 mi
9:12/mi
2:47:26
↑ 17↓ 861.7%
23M
9:23/mi
2:59:11
↑ 23↓ 630.6%
24M
9:23/mi
3:08:34
↓ 821.3%
40K· 24.85 mi
10:12/mi
3:17:17
↓ 200.3%
25.2M
10:23/mi
3:20:52
↑ 13↓ 160.2%
Finish· 26.22 mi
9:15/mi
3:30:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:01
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:56:17
Pace8:52 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3621:326:5621:32
6:56
-
10K
6.21 mi11:08:4943:457:0222:13
7:09
+0:13
15K
9.32 mi11:31:101:06:067:0622:21
7:12
+0:03
20K
12.43 mi11:54:021:28:587:1022:52
7:22
+0:10
Half
13.11 mi11:59:051:34:017:105:03
7:24
+0:02
25K
15.53 mi12:17:491:52:457:1518:44
7:44
+0:20
30K
18.64 mi12:43:192:18:157:2525:30
8:12
+0:28
20M
20.00 mi12:55:052:30:017:3011:46
8:40
+0:28
21M
21.00 mi13:05:372:40:337:3910:32
10:32
+1:52
35K
21.75 mi13:12:302:47:267:426:53
9:12
-1:20
23M
23.00 mi13:24:152:59:117:4711:45
9:23
+0:11
24M
24.00 mi13:33:383:08:347:519:23
9:23
0:00
40K
24.85 mi13:42:213:17:177:568:43
10:12
+0:49
25.2M
25.20 mi13:45:563:20:527:583:35
10:23
+0:11
Finish
26.22 mi13:55:223:30:188:029:26
9:15
-1:08

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

6:56 /mi

Average Pace

8:02 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:45

54% of race

Time at Steady Pace

53:35

25% of race

Time at Slower Pace

43:58

21% of race

Average Pace: 8:01 /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 mi10:46:3621:326:5621:32
6:56
#6600
10K
6.21 mi11:08:4943:457:0222:13
7:09
#7085
15K
9.32 mi11:31:101:06:067:0622:21
7:12
#7178
20K
12.43 mi11:54:021:28:587:1022:52
7:22
#7174
Half
13.11 mi11:59:051:34:017:105:03
7:24
#7217
25K
15.53 mi12:17:491:52:457:1518:44
7:44
#7323
30K
18.64 mi12:43:192:18:157:2525:30
8:12
#7565
20M
20.00 mi12:55:052:30:017:3011:46
8:40
#7755
21M
21.00 mi13:05:372:40:337:3910:32
10:32
#8212
35K
21.75 mi13:12:302:47:267:426:53
9:12
#8421
23M
23.00 mi13:24:152:59:117:4711:45
9:23
#8653
24M
24.00 mi13:33:383:08:347:519:23
9:23
#8900
40K
24.85 mi13:42:213:17:177:568:43
10:12
#9272
25.2M
25.20 mi13:45:563:20:527:583:35
10:23
#9338
Finish
26.22 mi13:55:223:30:188:029:26
9:15
#9635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6600588158817437(Top 29%)6361(Top 44%)6361(Top 317%)
10K6.21 mi3.10 mi7085-4856202-3216202-3217594(Top 30%)6513(Top 45%)6513(Top 324%)
15K9.32 mi3.11 mi7178-936243-416243-417437(Top 29%)6361(Top 44%)6361(Top 317%)
20K12.43 mi3.11 mi7174+46209+346209+347356(Top 29%)6215(Top 43%)6215(Top 309%)
Half13.11 mi0.68 mi7217-436231-226231-228396(Top 33%)6846(Top 47%)6846(Top 341%)
25K15.53 mi2.42 mi7323-1066265-346265-348467(Top 33%)6691(Top 46%)6691(Top 333%)
30K18.64 mi3.11 mi7565-2426348-836348-839034(Top 35%)6784(Top 47%)6784(Top 338%)
20M20.00 mi1.36 mi7755-1906404-566404-5610301(Top 40%)7179(Top 49%)7179(Top 357%)
21M21.00 mi1.00 mi8212-4576612-2086612-20814926(Top 58%)9103(Top 62%)9103(Top 453%)
35K21.75 mi0.75 mi8421-2096701-896701-8914225(Top 56%)8737(Top 60%)8737(Top 435%)
23M23.00 mi1.25 mi8653-2326748-476748-4712981(Top 51%)8049(Top 55%)8049(Top 401%)
24M24.00 mi1.00 mi8900-2476849-1016849-10113938(Top 55%)8486(Top 58%)8486(Top 422%)
40K24.85 mi0.85 mi9272-3726994-1456994-14515653(Top 61%)9273(Top 64%)9273(Top 462%)
25.2M25.20 mi0.35 mi9338-667010-167010-1612381(Top 48%)7550(Top 52%)7550(Top 376%)
Finish26.22 mi1.02 mi9635-2977132-1227132-12215363(Top 60%)9139(Top 63%)9139(Top 455%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

7437

Males

6361

M40-44

6361

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

7594

Males

6513

M40-44

6513

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

7437

Males

6361

M40-44

6361

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7356

Males

6215

M40-44

6215

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8396

Males

6846

M40-44

6846

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8467

Males

6691

M40-44

6691

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9034

Males

6784

M40-44

6784

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10301

Males

7179

M40-44

7179

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

14926

Males

9103

M40-44

9103

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14225

Males

8737

M40-44

8737

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

12981

Males

8049

M40-44

8049

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

13938

Males

8486

M40-44

8486

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

15653

Males

9273

M40-44

9273

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12381

Males

7550

M40-44

7550

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15363

Males

9139

M40-44

9139

Passing Analysis

Category:
Athletes Passed
1023
Passed By
4058
Net Change
-3035
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6600
5K → 10K77562-485#6600#7085
10K → 15K120213-93#7085#7178
15K → 20K169165+4#7178#7174
20K → Half1861-43#7174#7217
Half → 25K146252-106#7217#7323
25K → 30K151393-242#7323#7565
30K → 20M78268-190#7565#7755
20M → 21M35492-457#7755#8212
21M → 35K37246-209#8212#8421
35K → 23M77309-232#8421#8653
23M → 24M31278-247#8653#8900
24M → 40K26398-372#8900#9272
40K → 25.2M2995-66#9272#9338
25.2M → Finish29326-297#9338#9635
TOTALS10234058-3035
📊

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