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BOSTON MARATHON 2025

Carla De Maria

Bib: 17758•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 36%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:45
Rank: #10611
Start → 5K
7:19/mi
22:45 split
10K· 6.21 mi
45:59
Rank: #11250 (-639)
5K → 10K
7:29/mi
23:14 split
15K· 9.32 mi
1:10:07
Rank: #12195 (-945)
10K → 15K
7:46/mi
24:08 split
20K· 12.43 mi
1:34:55
Rank: #12823 (-628)
15K → 20K
7:59/mi
24:48 split
Half· 13.11 mi
1:40:16
Rank: #12900 (-77)
20K → Half
7:50/mi
5:21 split
25K· 15.53 mi
2:00:02
Rank: #13254 (-354)
Half → 25K
8:09/mi
19:46 split
30K· 18.64 mi
2:26:52
Rank: #13704 (-450)
25K → 30K
8:38/mi
26:50 split
20M
2:38:55
Rank: #13883 (-179)
30K → 20M
8:52/mi
12:03 split
21M
2:48:30
Rank: #14034 (-151)
20M → 21M
9:35/mi
9:35 split
35K· 21.75 mi
2:54:42
Rank: #14045 (-11)
21M → 35K
8:17/mi
6:12 split
23M
3:05:34
Rank: #14091 (-46)
35K → 23M
8:41/mi
10:52 split
24M
3:13:53
Rank: #14050 (+41)
23M → 24M
8:19/mi
8:19 split
40K· 24.85 mi
3:21:10
Rank: #13994 (+56)
24M → 40K
8:31/mi
7:17 split
25.2M
3:24:35
Rank: #14041 (-47)
40K → 25.2M
9:54/mi
3:25 split
Finish· 26.22 mi
3:33:47
Rank: #14237 (-196)
25.2M → Finish
9:02/mi
9:12 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:16
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:53:31
Pace8:40 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2922:457:1922:45
7:19
-
10K
6.21 mi11:36:4345:597:2423:14
7:29
+0:10
15K
9.32 mi12:00:511:10:077:3124:08
7:46
+0:17
20K
12.43 mi12:25:391:34:557:3824:48
7:59
+0:13
Half
13.11 mi12:31:001:40:167:395:21
7:50
-0:09
25K
15.53 mi12:50:462:00:027:4419:46
8:09
+0:19
30K
18.64 mi13:17:362:26:527:5326:50
8:38
+0:29
20M
20.00 mi13:29:392:38:557:5712:03
8:52
+0:14
21M
21.00 mi13:39:142:48:308:019:35
9:35
+0:43
35K
21.75 mi13:45:262:54:428:026:12
8:17
-1:18
23M
23.00 mi13:56:183:05:348:0410:52
8:41
+0:24
24M
24.00 mi14:04:373:13:538:058:19
8:19
-0:22
40K
24.85 mi14:11:543:21:108:067:17
8:31
+0:12
25.2M
25.20 mi14:15:193:24:358:073:25
9:54
+1:23
Finish
26.22 mi14:24:313:33:478:109:12
9:02
-0:52

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

7:19 /mi

Average Pace

8:10 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:28

35% of race

Time at Steady Pace

1:33:12

44% of race

Time at Slower Pace

45:07

21% of race

Average Pace: 8:09 /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 mi11:13:2922:457:1922:45
7:19
#10611
10K
6.21 mi11:36:4345:597:2423:14
7:29
#11250
15K
9.32 mi12:00:511:10:077:3124:08
7:46
#12195
20K
12.43 mi12:25:391:34:557:3824:48
7:59
#12823
Half
13.11 mi12:31:001:40:167:395:21
7:50
#12900
25K
15.53 mi12:50:462:00:027:4419:46
8:09
#13254
30K
18.64 mi13:17:362:26:527:5326:50
8:38
#13704
20M
20.00 mi13:29:392:38:557:5712:03
8:52
#13883
21M
21.00 mi13:39:142:48:308:019:35
9:35
#14034
35K
21.75 mi13:45:262:54:428:026:12
8:17
#14045
23M
23.00 mi13:56:183:05:348:0410:52
8:41
#14091
24M
24.00 mi14:04:373:13:538:058:19
8:19
#14050
40K
24.85 mi14:11:543:21:108:067:17
8:31
#13994
25.2M
25.20 mi14:15:193:24:358:073:25
9:54
#14041
Finish
26.22 mi14:24:313:33:478:109:12
9:02
#14237
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106112101210114113(Top 50%)4085(Top 33%)4085(Top 75%)
10K6.21 mi3.10 mi11250-6392426-3252426-32511932(Top 42%)2784(Top 23%)2784(Top 51%)
15K9.32 mi3.11 mi12195-9452946-5202946-52014113(Top 50%)4085(Top 33%)4085(Top 75%)
20K12.43 mi3.11 mi12823-6283343-3973343-39714808(Top 52%)4538(Top 37%)4538(Top 83%)
Half13.11 mi0.68 mi12900-773394-513394-5114668(Top 52%)4435(Top 36%)4435(Top 81%)
25K15.53 mi2.42 mi13254-3543632-2383632-23814994(Top 53%)4730(Top 39%)4730(Top 86%)
30K18.64 mi3.11 mi13704-4503940-3083940-30815605(Top 55%)5232(Top 43%)5232(Top 96%)
20M20.00 mi1.36 mi13883-1794079-1394079-13916045(Top 56%)5613(Top 46%)5613(Top 103%)
21M21.00 mi1.00 mi14034-1514187-1084187-10816461(Top 58%)5949(Top 49%)5949(Top 109%)
35K21.75 mi0.75 mi14045-114211-244211-2414197(Top 50%)4785(Top 39%)4785(Top 87%)
23M23.00 mi1.25 mi14091-464277-664277-6614432(Top 51%)5021(Top 41%)5021(Top 92%)
24M24.00 mi1.00 mi14050+414292-154292-1513396(Top 47%)4517(Top 37%)4517(Top 83%)
40K24.85 mi0.85 mi13994+564280+124280+1213572(Top 48%)4738(Top 39%)4738(Top 87%)
25.2M25.20 mi0.35 mi14041-474310-304310-3016608(Top 58%)6376(Top 52%)6376(Top 117%)
Finish26.22 mi1.02 mi14237-1964444-1344444-13419197(Top 68%)7713(Top 63%)7713(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14113

Females

4085

F18-39

4085

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11932

Females

2784

F18-39

2784

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14113

Females

4085

F18-39

4085

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

14808

Females

4538

F18-39

4538

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14668

Females

4435

F18-39

4435

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14994

Females

4730

F18-39

4730

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15605

Females

5232

F18-39

5232

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

16045

Females

5613

F18-39

5613

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16461

Females

5949

F18-39

5949

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14197

Females

4785

F18-39

4785

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14432

Females

5021

F18-39

5021

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

13396

Females

4517

F18-39

4517

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13572

Females

4738

F18-39

4738

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16608

Females

6376

F18-39

6376

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19197

Females

7713

F18-39

7713

Passing Analysis

Category:
Athletes Passed
958
Passed By
4584
Net Change
-3626
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10611
5K → 10K67706-639#10611#11250
10K → 15K40985-945#11250#12195
15K → 20K65693-628#12195#12823
20K → Half1895-77#12823#12900
Half → 25K87441-354#12900#13254
25K → 30K126576-450#13254#13704
30K → 20M78257-179#13704#13883
20M → 21M61212-151#13883#14034
21M → 35K6273-11#14034#14045
35K → 23M98144-46#14045#14091
23M → 24M10867+41#14091#14050
24M → 40K9539+56#14050#13994
40K → 25.2M2269-47#13994#14041
25.2M → Finish31227-196#14041#14237
TOTALS9584584-3626
📊

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