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BOSTON MARATHON 2024

Jonathan Zacarias

Bib: 4237•M

OR

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 8%
Gender (Male)
#0 / 14578
Top 13%
Division (M18-39)
#0 / 4849
Top 29%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:43
Rank: #995
Start → 5K
18:43 | 6:01/mi
10K· 6.21 mi
37:11
Rank: #837 (+158)
5K → 10K
18:28 | 5:57/mi
15K· 9.32 mi
55:46
Rank: #797 (+40)
10K → 15K
18:35 | 5:59/mi
20K· 12.43 mi
1:14:54
Rank: #824 (-27)
15K → 20K
19:08 | 6:10/mi
Half· 13.11 mi
1:19:02
Rank: #826 (-2)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:35:06
Rank: #982 (-156)
Half → 25K
16:04 | 6:38/mi
30K· 18.64 mi
1:57:36
Rank: #1318 (-336)
25K → 30K
22:30 | 7:15/mi
20M
2:07:46
Rank: #1443 (-125)
30K → 20M
10:10 | 7:29/mi
21M
2:15:44
Rank: #1535 (-92)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:21:06
Rank: #1594 (-59)
21M → 35K
5:22 | 7:10/mi
23M
2:30:27
Rank: #1668 (-74)
35K → 23M
9:21 | 7:28/mi
24M
2:37:47
Rank: #1713 (-45)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
2:44:22
Rank: #1777 (-64)
24M → 40K
6:35 | 7:42/mi
25.2M
2:47:29
Rank: #1826 (-49)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
2:55:18
Rank: #1945 (-119)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:02
Pace6:02 /mi
2nd Half
Distance13.11 mi
Time1:36:16
Pace7:21 /mi
📊Positive Split: 21.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5018:436:0118:43
6:01
-
10K
6.21 mi10:40:1837:115:5918:28
5:57
-0:04
15K
9.32 mi10:58:5355:465:5918:35
5:59
+0:02
20K
12.43 mi11:18:011:14:546:0219:08
6:10
+0:11
Half
13.11 mi11:22:091:19:026:024:08
6:03
-0:07
25K
15.53 mi11:38:131:35:066:0716:04
6:38
+0:35
30K
18.64 mi12:00:431:57:366:1922:30
7:15
+0:37
20M
20.00 mi12:10:532:07:466:2310:10
7:29
+0:14
21M
21.00 mi12:18:512:15:446:287:58
7:58
+0:29
35K
21.75 mi12:24:132:21:066:295:22
7:10
-0:48
23M
23.00 mi12:33:342:30:276:329:21
7:28
+0:18
24M
24.00 mi12:40:542:37:476:347:20
7:20
-0:08
40K
24.85 mi12:47:292:44:226:376:35
7:42
+0:22
25.2M
25.20 mi12:50:362:47:296:393:07
9:02
+1:20
Finish
26.22 mi12:58:252:55:186:417:49
7:40
-1:22

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

5:57 /mi

Average Pace

6:41 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:06

54% of race

Time at Steady Pace

1:02:32

36% of race

Time at Slower Pace

17:40

10% of race

Average Pace: 6:41 /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 mi10:21:5018:436:0118:43
6:01
#995
10K
6.21 mi10:40:1837:115:5918:28
5:57
#837
15K
9.32 mi10:58:5355:465:5918:35
5:59
#797
20K
12.43 mi11:18:011:14:546:0219:08
6:10
#824
Half
13.11 mi11:22:091:19:026:024:08
6:03
#826
25K
15.53 mi11:38:131:35:066:0716:04
6:38
#982
30K
18.64 mi12:00:431:57:366:1922:30
7:15
#1318
20M
20.00 mi12:10:532:07:466:2310:10
7:29
#1443
21M
21.00 mi12:18:512:15:446:287:58
7:58
#1535
35K
21.75 mi12:24:132:21:066:295:22
7:10
#1594
23M
23.00 mi12:33:342:30:276:329:21
7:28
#1668
24M
24.00 mi12:40:542:37:476:347:20
7:20
#1713
40K
24.85 mi12:47:292:44:226:376:35
7:42
#1777
25.2M
25.20 mi12:50:362:47:296:393:07
9:02
#1826
Finish
26.22 mi12:58:252:55:186:417:49
7:40
#1945
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi995958958735(Top 3%)712(Top 5%)712(Top 15%)
10K6.21 mi3.10 mi837+158809+149809+149742(Top 3%)716(Top 5%)716(Top 15%)
15K9.32 mi3.11 mi797+40770+39770+39735(Top 3%)712(Top 5%)712(Top 15%)
20K12.43 mi3.11 mi824-27791-21791-21949(Top 4%)915(Top 6%)915(Top 19%)
Half13.11 mi0.68 mi826-2792-1792-1956(Top 4%)923(Top 6%)923(Top 19%)
25K15.53 mi2.42 mi982-156947-155947-1552247(Top 9%)2147(Top 15%)2147(Top 44%)
30K18.64 mi3.11 mi1318-3361273-3261273-3263942(Top 15%)3570(Top 24%)3570(Top 74%)
20M20.00 mi1.36 mi1443-1251390-1171390-1174227(Top 17%)3711(Top 25%)3711(Top 77%)
21M21.00 mi1.00 mi1535-921479-891479-894011(Top 16%)3442(Top 24%)3442(Top 71%)
35K21.75 mi0.75 mi1594-591533-541533-543665(Top 14%)3210(Top 22%)3210(Top 66%)
23M23.00 mi1.25 mi1668-741601-681601-683476(Top 14%)3016(Top 21%)3016(Top 62%)
24M24.00 mi1.00 mi1713-451642-411642-413462(Top 14%)2945(Top 20%)2945(Top 61%)
40K24.85 mi0.85 mi1777-641701-591701-594304(Top 17%)3377(Top 23%)3377(Top 70%)
25.2M25.20 mi0.35 mi1826-491744-431744-436619(Top 26%)4590(Top 31%)4590(Top 95%)
Finish26.22 mi1.02 mi1945-1191852-1081852-1086529(Top 26%)4596(Top 32%)4596(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

735

Males

712

M18-39

712

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

742

Males

716

M18-39

716

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

735

Males

712

M18-39

712

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

949

Males

915

M18-39

915

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

956

Males

923

M18-39

923

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2247

Males

2147

M18-39

2147

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

3942

Males

3570

M18-39

3570

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4227

Males

3711

M18-39

3711

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4011

Males

3442

M18-39

3442

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3665

Males

3210

M18-39

3210

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3476

Males

3016

M18-39

3016

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3462

Males

2945

M18-39

2945

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4304

Males

3377

M18-39

3377

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6619

Males

4590

M18-39

4590

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6529

Males

4596

M18-39

4596

Passing Analysis

Category:
Athletes Passed
398
Passed By
1348
Net Change
-950
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#995
5K → 10K1635+158#995#837
10K → 15K5414+40#837#797
15K → 20K3158-27#797#824
20K → Half46-2#824#826
Half → 25K13169-156#826#982
25K → 30K10346-336#982#1318
30K → 20M14139-125#1318#1443
20M → 21M18110-92#1443#1535
21M → 35K1574-59#1535#1594
35K → 23M2397-74#1594#1668
23M → 24M2570-45#1668#1713
24M → 40K771-64#1713#1777
40K → 25.2M756-49#1777#1826
25.2M → Finish14133-119#1826#1945
TOTALS3981348-950
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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