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BOSTON MARATHON 2024

Maria Calderon

Bib: 21986•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:21
Rank: #17678
Start → 5K
26:21 | 8:29/mi
10K· 6.21 mi
52:57
Rank: #17634 (+44)
5K → 10K
26:36 | 8:34/mi
15K· 9.32 mi
1:19:58
Rank: #17552 (+82)
10K → 15K
27:01 | 8:42/mi
20K· 12.43 mi
1:47:45
Rank: #17336 (+216)
15K → 20K
27:47 | 8:57/mi
Half· 13.11 mi
1:53:49
Rank: #17349 (-13)
20K → Half
6:04 | 8:54/mi
25K· 15.53 mi
2:17:02
Rank: #17470 (-121)
Half → 25K
23:13 | 9:35/mi
30K· 18.64 mi
2:48:24
Rank: #17509 (-39)
25K → 30K
31:22 | 10:06/mi
20M
3:02:06
Rank: #17479 (+30)
30K → 20M
13:42 | 10:05/mi
21M
3:12:28
Rank: #17290 (+189)
20M → 21M
10:22 | 10:22/mi
35K· 21.75 mi
3:19:27
Rank: #17182 (+108)
21M → 35K
6:59 | 9:20/mi
23M
3:32:58
Rank: #17259 (-77)
35K → 23M
13:31 | 10:48/mi
24M
3:44:12
Rank: #17430 (-171)
23M → 24M
11:14 | 11:14/mi
40K· 24.85 mi
3:53:43
Rank: #17464 (-34)
24M → 40K
9:31 | 11:08/mi
25.2M
3:57:29
Rank: #17386 (+78)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:07:34
Rank: #17370 (+16)
25.2M → Finish
10:05 | 9:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:49
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:13:45
Pace10:12 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5926:218:2926:21
8:29
-
10K
6.21 mi11:50:3552:578:3126:36
8:34
+0:05
15K
9.32 mi12:17:361:19:588:3527:01
8:42
+0:08
20K
12.43 mi12:45:231:47:458:4027:47
8:57
+0:15
Half
13.11 mi12:51:271:53:498:416:04
8:54
-0:03
25K
15.53 mi13:14:402:17:028:4923:13
9:35
+0:41
30K
18.64 mi13:46:022:48:249:0231:22
10:06
+0:31
20M
20.00 mi13:59:443:02:069:0613:42
10:05
-0:01
21M
21.00 mi14:10:063:12:289:1010:22
10:22
+0:17
35K
21.75 mi14:17:053:19:279:106:59
9:20
-1:02
23M
23.00 mi14:30:363:32:589:1613:31
10:48
+1:28
24M
24.00 mi14:41:503:44:129:2111:14
11:14
+0:26
40K
24.85 mi14:51:213:53:439:249:31
11:08
-0:06
25.2M
25.20 mi14:55:073:57:299:253:46
10:55
-0:13
Finish
26.22 mi15:05:124:07:349:2710:05
9:54
-1:01

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

8:29 /mi

Average Pace

9:27 /mi

Slowest Pace

11:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:48

49% of race

Time at Steady Pace

1:18:22

32% of race

Time at Slower Pace

48:24

20% of race

Average Pace: 9:27 /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 mi11:23:5926:218:2926:21
8:29
#17678
10K
6.21 mi11:50:3552:578:3126:36
8:34
#17634
15K
9.32 mi12:17:361:19:588:3527:01
8:42
#17552
20K
12.43 mi12:45:231:47:458:4027:47
8:57
#17336
Half
13.11 mi12:51:271:53:498:416:04
8:54
#17349
25K
15.53 mi13:14:402:17:028:4923:13
9:35
#17470
30K
18.64 mi13:46:022:48:249:0231:22
10:06
#17509
20M
20.00 mi13:59:443:02:069:0613:42
10:05
#17479
21M
21.00 mi14:10:063:12:289:1010:22
10:22
#17290
35K
21.75 mi14:17:053:19:279:106:59
9:20
#17182
23M
23.00 mi14:30:363:32:589:1613:31
10:48
#17259
24M
24.00 mi14:41:503:44:129:2111:14
11:14
#17430
40K
24.85 mi14:51:213:53:439:249:31
11:08
#17464
25.2M
25.20 mi14:55:073:57:299:253:46
10:55
#17386
Finish
26.22 mi15:05:124:07:349:2710:05
9:54
#17370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi176786571657117475(Top 68%)6417(Top 59%)6417(Top 541%)
10K6.21 mi3.10 mi17634+446521+506521+5017652(Top 69%)6522(Top 60%)6522(Top 549%)
15K9.32 mi3.11 mi17552+826459+626459+6217475(Top 68%)6417(Top 59%)6417(Top 541%)
20K12.43 mi3.11 mi17336+2166370+896370+8917105(Top 67%)6225(Top 57%)6225(Top 524%)
Half13.11 mi0.68 mi17349-136384-146384-1417802(Top 70%)6694(Top 61%)6694(Top 564%)
25K15.53 mi2.42 mi17470-1216475-916475-9117787(Top 70%)6705(Top 61%)6705(Top 565%)
30K18.64 mi3.11 mi17509-396537-626537-6217653(Top 69%)6867(Top 63%)6867(Top 579%)
20M20.00 mi1.36 mi17479+306560-236560-2316766(Top 66%)6593(Top 60%)6593(Top 555%)
21M21.00 mi1.00 mi17290+1896489+716489+7114401(Top 56%)5520(Top 51%)5520(Top 465%)
35K21.75 mi0.75 mi17182+1086449+406449+4014887(Top 58%)5791(Top 53%)5791(Top 488%)
23M23.00 mi1.25 mi17259-776515-666515-6617833(Top 70%)7325(Top 67%)7325(Top 617%)
24M24.00 mi1.00 mi17430-1716633-1186633-11819827(Top 78%)8349(Top 76%)8349(Top 703%)
40K24.85 mi0.85 mi17464-346688-556688-5518434(Top 72%)7717(Top 71%)7717(Top 650%)
25.2M25.20 mi0.35 mi17386+786663+256663+2514289(Top 56%)5712(Top 52%)5712(Top 481%)
Finish26.22 mi1.02 mi17370+166683-206683-2018052(Top 71%)7526(Top 69%)7526(Top 634%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

17475

Females

6417

F50-54

6417

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

17652

Females

6522

F50-54

6522

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

17475

Females

6417

F50-54

6417

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17105

Females

6225

F50-54

6225

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

17802

Females

6694

F50-54

6694

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

17787

Females

6705

F50-54

6705

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

17653

Females

6867

F50-54

6867

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

16766

Females

6593

F50-54

6593

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14401

Females

5520

F50-54

5520

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

14887

Females

5791

F50-54

5791

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

17833

Females

7325

F50-54

7325

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

19827

Females

8349

F50-54

8349

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

18434

Females

7717

F50-54

7717

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14289

Females

5712

F50-54

5712

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18052

Females

7526

F50-54

7526

Passing Analysis

Category:
Athletes Passed
2200
Passed By
1892
Net Change
+308
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17678
5K → 10K309265+44#17678#17634
10K → 15K282200+82#17634#17552
15K → 20K360144+216#17552#17336
20K → Half4154-13#17336#17349
Half → 25K166287-121#17349#17470
25K → 30K244283-39#17470#17509
30K → 20M11888+30#17509#17479
20M → 21M21324+189#17479#17290
21M → 35K12820+108#17290#17182
35K → 23M86163-77#17182#17259
23M → 24M36207-171#17259#17430
24M → 40K5993-34#17430#17464
40K → 25.2M879+78#17464#17386
25.2M → Finish7155+16#17386#17370
TOTALS22001892+308
📊

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