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BOSTON MARATHON 2024

Juan Calderon

Bib: 10718•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 43%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 44%
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
6:56/mi
21:32
↑ 97↓ 3451.5%
10K· 6.21 mi
7:00/mi
43:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:05:49
↑ 67↓ 78
20K· 12.43 mi
7:33/mi
1:29:15
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:34:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:53:21
↑ 66↓ 880.2%
30K· 18.64 mi
9:45/mi
2:23:40
↑ 181↓ 1480.2%
20M
9:15/mi
2:36:14
↑ 64↓ 500.2%
21M
10:24/mi
2:46:38
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
2:53:12
↑ 17↓ 861.7%
23M
10:07/mi
3:05:52
↑ 23↓ 630.6%
24M
10:32/mi
3:16:24
↓ 821.3%
40K· 24.85 mi
9:19/mi
3:24:22
↓ 200.3%
25.2M
9:17/mi
3:27:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:52/mi
3:35:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time2:01:15
Pace9:15 /mi
📊Positive Split: 28.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2721:326:5621:32
6:56
-
10K
6.21 mi11:10:1243:176:5821:45
7:00
+0:04
15K
9.32 mi11:32:441:05:497:0422:32
7:15
+0:15
20K
12.43 mi11:56:101:29:157:1123:26
7:33
+0:18
Half
13.11 mi12:01:151:34:207:125:05
7:27
-0:06
25K
15.53 mi12:20:161:53:217:1819:01
7:51
+0:24
30K
18.64 mi12:50:352:23:407:4230:19
9:45
+1:54
20M
20.00 mi13:03:092:36:147:4912:34
9:15
-0:30
21M
21.00 mi13:13:332:46:387:5610:24
10:24
+1:09
35K
21.75 mi13:20:072:53:127:586:34
8:47
-1:37
23M
23.00 mi13:32:473:05:528:0512:40
10:07
+1:20
24M
24.00 mi13:43:193:16:248:1110:32
10:32
+0:25
40K
24.85 mi13:51:173:24:228:137:58
9:19
-1:13
25.2M
25.20 mi13:54:293:27:348:143:12
9:17
-0:02
Finish
26.22 mi14:02:303:35:358:148:01
7:52
-1:25

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

8:14 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:22

56% of race

Time at Steady Pace

30:18

14% of race

Time at Slower Pace

1:03:55

30% of race

Average Pace: 8:13 /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 mi10:48:2721:326:5621:32
6:56
#6606
10K
6.21 mi11:10:1243:176:5821:45
7:00
#6615
15K
9.32 mi11:32:441:05:497:0422:32
7:15
#6988
20K
12.43 mi11:56:101:29:157:1123:26
7:33
#7318
Half
13.11 mi12:01:151:34:207:125:05
7:27
#7382
25K
15.53 mi12:20:161:53:217:1819:01
7:51
#7587
30K
18.64 mi12:50:352:23:407:4230:19
9:45
#9583
20M
20.00 mi13:03:092:36:147:4912:34
9:15
#9867
21M
21.00 mi13:13:332:46:387:5610:24
10:24
#10184
35K
21.75 mi13:20:072:53:127:586:34
8:47
#10245
23M
23.00 mi13:32:473:05:528:0512:40
10:07
#10658
24M
24.00 mi13:43:193:16:248:1110:32
10:32
#11117
40K
24.85 mi13:51:173:24:228:137:58
9:19
#11138
25.2M
25.20 mi13:54:293:27:348:143:12
9:17
#11060
Finish
26.22 mi14:02:303:35:358:148:01
7:52
#10899
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6606588758877847(Top 31%)6636(Top 46%)6636(Top 299%)
10K6.21 mi3.10 mi6615-95877+105877+106677(Top 26%)5894(Top 40%)5894(Top 266%)
15K9.32 mi3.11 mi6988-3736108-2316108-2317847(Top 31%)6636(Top 46%)6636(Top 299%)
20K12.43 mi3.11 mi7318-3306308-2006308-2008675(Top 34%)6995(Top 48%)6995(Top 315%)
Half13.11 mi0.68 mi7382-646340-326340-328736(Top 34%)7044(Top 48%)7044(Top 318%)
25K15.53 mi2.42 mi7587-2056438-986438-989200(Top 36%)7083(Top 49%)7083(Top 319%)
30K18.64 mi3.11 mi9583-19967462-10247462-102416458(Top 64%)10202(Top 70%)10202(Top 460%)
20M20.00 mi1.36 mi9867-2847539-777539-7713356(Top 52%)8560(Top 59%)8560(Top 386%)
21M21.00 mi1.00 mi10184-3177639-1007639-10014494(Top 57%)8892(Top 61%)8892(Top 401%)
35K21.75 mi0.75 mi10245-617633+67633+612182(Top 48%)7770(Top 53%)7770(Top 350%)
23M23.00 mi1.25 mi10658-4137775-1427775-14215833(Top 62%)9484(Top 65%)9484(Top 428%)
24M24.00 mi1.00 mi11117-4597949-1747949-17417923(Top 70%)10452(Top 72%)10452(Top 471%)
40K24.85 mi0.85 mi11138-217903+467903+4612314(Top 48%)7597(Top 52%)7597(Top 343%)
25.2M25.20 mi0.35 mi11060+787849+547849+547806(Top 31%)5226(Top 36%)5226(Top 236%)
Finish26.22 mi1.02 mi10899+1617732+1177732+1177724(Top 30%)5276(Top 36%)5276(Top 238%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

7847

Males

6636

M45-49

6636

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

6677

Males

5894

M45-49

5894

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

7847

Males

6636

M45-49

6636

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

8675

Males

6995

M45-49

6995

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8736

Males

7044

M45-49

7044

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9200

Males

7083

M45-49

7083

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16458

Males

10202

M45-49

10202

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13356

Males

8560

M45-49

8560

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

14494

Males

8892

M45-49

8892

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12182

Males

7770

M45-49

7770

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

15833

Males

9484

M45-49

9484

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

17923

Males

10452

M45-49

10452

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12314

Males

7597

M45-49

7597

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

7806

Males

5226

M45-49

5226

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7724

Males

5276

M45-49

5276

Passing Analysis

Category:
Athletes Passed
1125
Passed By
5414
Net Change
-4293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6606
5K → 10K197206-9#6606#6615
10K → 15K56429-373#6615#6988
15K → 20K86416-330#6988#7318
20K → Half1579-64#7318#7382
Half → 25K121326-205#7382#7587
25K → 30K172012-1996#7587#9583
30K → 20M88371-284#9583#9867
20M → 21M46361-317#9867#10184
21M → 35K62123-61#10184#10245
35K → 23M55468-413#10245#10658
23M → 24M28487-459#10658#11117
24M → 40K97118-21#11117#11138
40K → 25.2M879+78#11138#11060
25.2M → Finish1709+161#11060#10899
TOTALS11255414-4293
📊

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