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BOSTON MARATHON 2025

Alessa Moscoso

Bib: 17033•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
23:58
Rank: #14114
Start → 5K
23:58 | 7:43/mi
10K· 6.21 mi
47:12
Rank: #13018 (+1096)
5K → 10K
23:14 | 7:29/mi
15K· 9.32 mi
1:10:45
Rank: #12793 (+225)
10K → 15K
23:33 | 7:35/mi
20K· 12.43 mi
1:35:20
Rank: #13123 (-330)
15K → 20K
24:35 | 7:55/mi
Half· 13.11 mi
1:40:54
Rank: #13329 (-206)
20K → Half
5:34 | 8:09/mi
25K· 15.53 mi
2:00:39
Rank: #13600 (-271)
Half → 25K
19:45 | 8:09/mi
30K· 18.64 mi
2:31:18
Rank: #15639 (-2039)
25K → 30K
30:39 | 9:52/mi
20M
2:43:37
Rank: #15713 (-74)
30K → 20M
12:19 | 9:04/mi
21M
2:54:43
Rank: #16211 (-498)
20M → 21M
11:06 | 11:06/mi
35K· 21.75 mi
3:04:08
Rank: #17052 (-841)
21M → 35K
9:25 | 12:35/mi
23M
3:14:38
Rank: #16767 (+285)
35K → 23M
10:30 | 8:23/mi
24M
3:25:52
Rank: #17401 (-634)
23M → 24M
11:14 | 11:14/mi
40K· 24.85 mi
3:34:24
Rank: #17553 (-152)
24M → 40K
8:32 | 9:59/mi
25.2M
3:37:53
Rank: #17550 (+3)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:46:35
Rank: #17512 (+38)
25.2M → Finish
8:42 | 8:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:54
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time2:05:41
Pace9:35 /mi
📊Positive Split: 24.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0923:587:4323:58
7:43
-
10K
6.21 mi11:40:2347:127:3623:14
7:29
-0:14
15K
9.32 mi12:03:561:10:457:3523:33
7:35
+0:06
20K
12.43 mi12:28:311:35:207:4024:35
7:55
+0:20
Half
13.11 mi12:34:051:40:547:425:34
8:09
+0:14
25K
15.53 mi12:53:502:00:397:4619:45
8:09
0:00
30K
18.64 mi13:24:292:31:188:0730:39
9:52
+1:43
20M
20.00 mi13:36:482:43:378:1112:19
9:04
-0:48
21M
21.00 mi13:47:542:54:438:1911:06
11:06
+2:02
35K
21.75 mi13:57:193:04:088:289:25
12:35
+1:29
23M
23.00 mi14:07:493:14:388:2810:30
8:23
-4:12
24M
24.00 mi14:19:033:25:528:3511:14
11:14
+2:51
40K
24.85 mi14:27:353:34:248:388:32
9:59
-1:15
25.2M
25.20 mi14:31:043:37:538:393:29
10:06
+0:07
Finish
26.22 mi14:39:463:46:358:398:42
8:32
-1:34

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

7:29 /mi

Average Pace

8:39 /mi

Slowest Pace

12:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:45

31% of race

Time at Steady Pace

1:21:25

36% of race

Time at Slower Pace

1:14:25

33% of race

Average Pace: 8:38 /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 mi11:17:0923:587:4323:58
7:43
#14114
10K
6.21 mi11:40:2347:127:3623:14
7:29
#13018
15K
9.32 mi12:03:561:10:457:3523:33
7:35
#12793
20K
12.43 mi12:28:311:35:207:4024:35
7:55
#13123
Half
13.11 mi12:34:051:40:547:425:34
8:09
#13329
25K
15.53 mi12:53:502:00:397:4619:45
8:09
#13600
30K
18.64 mi13:24:292:31:188:0730:39
9:52
#15639
20M
20.00 mi13:36:482:43:378:1112:19
9:04
#15713
21M
21.00 mi13:47:542:54:438:1911:06
11:06
#16211
35K
21.75 mi13:57:193:04:088:289:25
12:35
#17052
23M
23.00 mi14:07:493:14:388:2810:30
8:23
#16767
24M
24.00 mi14:19:033:25:528:3511:14
11:14
#17401
40K
24.85 mi14:27:353:34:248:388:32
9:59
#17553
25.2M
25.20 mi14:31:043:37:538:393:29
10:06
#17550
Finish
26.22 mi14:39:463:46:358:398:42
8:32
#17512
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi141143985398512450(Top 44%)3143(Top 26%)3143(Top 57%)
10K6.21 mi3.10 mi13018+10963351+6343351+63411934(Top 42%)2786(Top 23%)2786(Top 51%)
15K9.32 mi3.11 mi12793+2253267+843267+8412450(Top 44%)3143(Top 26%)3143(Top 57%)
20K12.43 mi3.11 mi13123-3303514-2473514-24714223(Top 50%)4216(Top 34%)4216(Top 77%)
Half13.11 mi0.68 mi13329-2063628-1143628-11416954(Top 60%)5757(Top 47%)5757(Top 105%)
25K15.53 mi2.42 mi13600-2713819-1913819-19114966(Top 53%)4724(Top 39%)4724(Top 86%)
30K18.64 mi3.11 mi15639-20395015-11965015-119621204(Top 75%)8342(Top 68%)8342(Top 153%)
20M20.00 mi1.36 mi15713-745104-895104-8917156(Top 60%)6227(Top 51%)6227(Top 114%)
21M21.00 mi1.00 mi16211-4985418-3145418-31421663(Top 76%)8792(Top 72%)8792(Top 161%)
35K21.75 mi0.75 mi17052-8415933-5155933-51526558(Top 94%)11365(Top 93%)11365(Top 208%)
23M23.00 mi1.25 mi16767+2855793+1405793+14012631(Top 44%)4080(Top 33%)4080(Top 75%)
24M24.00 mi1.00 mi17401-6346189-3966189-39624454(Top 86%)10350(Top 85%)10350(Top 189%)
40K24.85 mi0.85 mi17553-1526306-1176306-11720419(Top 72%)8367(Top 68%)8367(Top 153%)
25.2M25.20 mi0.35 mi17550+36319-136319-1317508(Top 62%)6862(Top 56%)6862(Top 125%)
Finish26.22 mi1.02 mi17512+386321-26321-216484(Top 58%)6294(Top 51%)6294(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12450

Females

3143

F18-39

3143

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11934

Females

2786

F18-39

2786

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12450

Females

3143

F18-39

3143

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14223

Females

4216

F18-39

4216

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

16954

Females

5757

F18-39

5757

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14966

Females

4724

F18-39

4724

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21204

Females

8342

F18-39

8342

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

17156

Females

6227

F18-39

6227

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21663

Females

8792

F18-39

8792

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

26558

Females

11365

F18-39

11365

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

12631

Females

4080

F18-39

4080

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24454

Females

10350

F18-39

10350

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20419

Females

8367

F18-39

8367

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17508

Females

6862

F18-39

6862

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16484

Females

6294

F18-39

6294

Passing Analysis

Category:
Athletes Passed
2264
Passed By
5662
Net Change
-3398
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14114
5K → 10K111923+1096#14114#13018
10K → 15K331106+225#13018#12793
15K → 20K108438-330#12793#13123
20K → Half6212-206#13123#13329
Half → 25K97368-271#13329#13600
25K → 30K272066-2039#13600#15639
30K → 20M106180-74#15639#15713
20M → 21M20518-498#15713#16211
21M → 35K3844-841#16211#17052
35K → 23M2905+285#17052#16767
23M → 24M15649-634#16767#17401
24M → 40K31183-152#17401#17553
40K → 25.2M3431+3#17553#17550
25.2M → Finish7739+38#17550#17512
TOTALS22645662-3398
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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