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BOSTON MARATHON 2024

Aleshka Calderon

Bib: 17335•F

PR

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 46%
Gender (Female)
#0 / 10924
Top 32%
Division (F18-39)
#0 / 4660
Top 49%
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
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:13:19
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:38:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:43:37
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:03:21
↑ 66↓ 880.2%
30K· 18.64 mi
8:34/mi
2:29:58
↑ 181↓ 1480.2%
20M
8:47/mi
2:41:54
↑ 64↓ 500.2%
21M
9:12/mi
2:51:06
↑ 106↓ 241.6%
35K· 21.75 mi
8:55/mi
2:57:46
↑ 17↓ 861.7%
23M
9:10/mi
3:09:15
↑ 23↓ 630.6%
24M
9:00/mi
3:18:15
↓ 821.3%
40K· 24.85 mi
9:19/mi
3:26:13
↓ 200.3%
25.2M
10:12/mi
3:29:44
↑ 13↓ 160.2%
Finish· 26.22 mi
8:43/mi
3:38:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:37
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:55:00
Pace8:46 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2424:367:5524:36
7:55
-
10K
6.21 mi11:40:4348:557:5224:19
7:50
-0:05
15K
9.32 mi12:05:071:13:197:5224:24
7:51
+0:01
20K
12.43 mi12:30:001:38:127:5424:53
8:01
+0:10
Half
13.11 mi12:35:251:43:377:545:25
7:56
-0:05
25K
15.53 mi12:55:092:03:217:5619:44
8:08
+0:12
30K
18.64 mi13:21:462:29:588:0326:37
8:34
+0:26
20M
20.00 mi13:33:422:41:548:0611:56
8:47
+0:13
21M
21.00 mi13:42:542:51:068:099:12
9:12
+0:25
35K
21.75 mi13:49:342:57:468:106:40
8:55
-0:17
23M
23.00 mi14:01:033:09:158:1411:29
9:10
+0:15
24M
24.00 mi14:10:033:18:158:169:00
9:00
-0:10
40K
24.85 mi14:18:013:26:138:187:58
9:19
+0:19
25.2M
25.20 mi14:21:323:29:448:193:31
10:12
+0:53
Finish
26.22 mi14:30:253:38:378:218:53
8:43
-1:29

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

7:50 /mi

Average Pace

8:21 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:21

56% of race

Time at Steady Pace

1:03:06

29% of race

Time at Slower Pace

32:10

15% of race

Average Pace: 8:20 /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 mi11:16:2424:367:5524:36
7:55
#14016
10K
6.21 mi11:40:4348:557:5224:19
7:50
#13404
15K
9.32 mi12:05:071:13:197:5224:24
7:51
#13039
20K
12.43 mi12:30:001:38:127:5424:53
8:01
#12662
Half
13.11 mi12:35:251:43:377:545:25
7:56
#12625
25K
15.53 mi12:55:092:03:217:5619:44
8:08
#12273
30K
18.64 mi13:21:462:29:588:0326:37
8:34
#11981
20M
20.00 mi13:33:422:41:548:0611:56
8:47
#11851
21M
21.00 mi13:42:542:51:068:099:12
9:12
#11651
35K
21.75 mi13:49:342:57:468:106:40
8:55
#11683
23M
23.00 mi14:01:033:09:158:1411:29
9:10
#11665
24M
24.00 mi14:10:033:18:158:169:00
9:00
#11638
40K
24.85 mi14:18:013:26:138:187:58
9:19
#11643
25.2M
25.20 mi14:21:323:29:448:193:31
10:12
#11641
Finish
26.22 mi14:30:253:38:378:218:53
8:43
#11647
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi140164320432012361(Top 48%)3437(Top 31%)3437(Top 74%)
10K6.21 mi3.10 mi13404+6123967+3533967+35312890(Top 50%)3699(Top 34%)3699(Top 79%)
15K9.32 mi3.11 mi13039+3653777+1903777+19012361(Top 48%)3437(Top 31%)3437(Top 74%)
20K12.43 mi3.11 mi12662+3773581+1963581+19611904(Top 47%)3266(Top 30%)3266(Top 70%)
Half13.11 mi0.68 mi12625+373569+123569+1212376(Top 48%)3531(Top 32%)3531(Top 76%)
25K15.53 mi2.42 mi12273+3523415+1543415+15411032(Top 43%)2981(Top 27%)2981(Top 64%)
30K18.64 mi3.11 mi11981+2923340+753340+7510995(Top 43%)3178(Top 29%)3178(Top 68%)
20M20.00 mi1.36 mi11851+1303325+153325+1510995(Top 43%)3468(Top 32%)3468(Top 74%)
21M21.00 mi1.00 mi11651+2003279+463279+469520(Top 37%)2967(Top 27%)2967(Top 64%)
35K21.75 mi0.75 mi11683-323323-443323-4412881(Top 50%)4738(Top 43%)4738(Top 102%)
23M23.00 mi1.25 mi11665+183387-643387-6412016(Top 47%)4409(Top 40%)4409(Top 95%)
24M24.00 mi1.00 mi11638+273427-403427-4012175(Top 48%)4500(Top 41%)4500(Top 97%)
40K24.85 mi0.85 mi11643-53471-443471-4412350(Top 48%)4699(Top 43%)4699(Top 101%)
25.2M25.20 mi0.35 mi11641+23496-253496-2511736(Top 46%)4446(Top 41%)4446(Top 95%)
Finish26.22 mi1.02 mi11647-63537-413537-4112728(Top 50%)4816(Top 44%)4816(Top 103%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12361

Females

3437

F18-39

3437

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

12890

Females

3699

F18-39

3699

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12361

Females

3437

F18-39

3437

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

11904

Females

3266

F18-39

3266

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12376

Females

3531

F18-39

3531

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11032

Females

2981

F18-39

2981

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

10995

Females

3178

F18-39

3178

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

10995

Females

3468

F18-39

3468

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9520

Females

2967

F18-39

2967

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

12881

Females

4738

F18-39

4738

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12016

Females

4409

F18-39

4409

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12175

Females

4500

F18-39

4500

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12350

Females

4699

F18-39

4699

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

11736

Females

4446

F18-39

4446

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

12728

Females

4816

F18-39

4816

Passing Analysis

Category:
Athletes Passed
3542
Passed By
1173
Net Change
+2369
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14016
5K → 10K70593+612#14016#13404
10K → 15K43469+365#13404#13039
15K → 20K45881+377#13039#12662
20K → Half6528+37#12662#12625
Half → 25K42068+352#12625#12273
25K → 30K436144+292#12273#11981
30K → 20M21181+130#11981#11851
20M → 21M23939+200#11851#11651
21M → 35K6698-32#11651#11683
35K → 23M157139+18#11683#11665
23M → 24M11588+27#11665#11638
24M → 40K102107-5#11638#11643
40K → 25.2M4644+2#11643#11641
25.2M → Finish8894-6#11641#11647
TOTALS35421173+2369
📊

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