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BOSTON MARATHON 2025

Alina Valencia-Mosquera

Bib: 13076•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 10%
Division (F18-39)
#0 / 5469
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:24
Rank: #9518
Start → 5K
22:24 | 7:13/mi
10K· 6.21 mi
44:24
Rank: #8977 (+541)
5K → 10K
22:00 | 7:05/mi
15K· 9.32 mi
1:06:42
Rank: #8951 (+26)
10K → 15K
22:18 | 7:11/mi
20K· 12.43 mi
1:29:03
Rank: #8686 (+265)
15K → 20K
22:21 | 7:12/mi
Half· 13.11 mi
1:34:00
Rank: #8703 (-17)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:51:52
Rank: #8679 (+24)
Half → 25K
17:52 | 7:22/mi
30K· 18.64 mi
2:15:12
Rank: #8445 (+234)
25K → 30K
23:20 | 7:31/mi
20M
2:25:28
Rank: #8314 (+131)
30K → 20M
10:16 | 7:33/mi
21M
2:33:24
Rank: #8173 (+141)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:38:40
Rank: #8023 (+150)
21M → 35K
5:16 | 7:02/mi
23M
2:47:54
Rank: #7811 (+212)
35K → 23M
9:14 | 7:22/mi
24M
2:55:06
Rank: #7681 (+130)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
3:01:26
Rank: #7579 (+102)
24M → 40K
6:20 | 7:24/mi
25.2M
3:04:13
Rank: #7543 (+36)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:11:32
Rank: #7479 (+64)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:00
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:37:32
Pace7:26 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0122:247:1322:24
7:13
-
10K
6.21 mi11:15:0144:247:0922:00
7:05
-0:08
15K
9.32 mi11:37:191:06:427:0922:18
7:11
+0:06
20K
12.43 mi11:59:401:29:037:1022:21
7:12
+0:01
Half
13.11 mi12:04:371:34:007:104:57
7:15
+0:03
25K
15.53 mi12:22:291:51:527:1217:52
7:22
+0:07
30K
18.64 mi12:45:492:15:127:1523:20
7:31
+0:09
20M
20.00 mi12:56:052:25:287:1610:16
7:33
+0:02
21M
21.00 mi13:04:012:33:247:187:56
7:56
+0:23
35K
21.75 mi13:09:172:38:407:185:16
7:02
-0:54
23M
23.00 mi13:18:312:47:547:189:14
7:22
+0:20
24M
24.00 mi13:25:432:55:067:187:12
7:12
-0:10
40K
24.85 mi13:32:033:01:267:186:20
7:24
+0:12
25.2M
25.20 mi13:34:503:04:137:192:47
8:04
+0:40
Finish
26.22 mi13:42:093:11:327:197:19
7:11
-0:53

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

7:02 /mi

Average Pace

7:19 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:49

94% of race

Time at Steady Pace

10:43

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:53:0122:247:1322:24
7:13
#9518
10K
6.21 mi11:15:0144:247:0922:00
7:05
#8977
15K
9.32 mi11:37:191:06:427:0922:18
7:11
#8951
20K
12.43 mi11:59:401:29:037:1022:21
7:12
#8686
Half
13.11 mi12:04:371:34:007:104:57
7:15
#8703
25K
15.53 mi12:22:291:51:527:1217:52
7:22
#8679
30K
18.64 mi12:45:492:15:127:1523:20
7:31
#8445
20M
20.00 mi12:56:052:25:287:1610:16
7:33
#8314
21M
21.00 mi13:04:012:33:247:187:56
7:56
#8173
35K
21.75 mi13:09:172:38:407:185:16
7:02
#8023
23M
23.00 mi13:18:312:47:547:189:14
7:22
#7811
24M
24.00 mi13:25:432:55:067:187:12
7:12
#7681
40K
24.85 mi13:32:033:01:267:186:20
7:24
#7579
25.2M
25.20 mi13:34:503:04:137:192:47
8:04
#7543
Finish
26.22 mi13:42:093:11:327:197:19
7:11
#7479
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9518159915998922(Top 31%)1398(Top 11%)1398(Top 26%)
10K6.21 mi3.10 mi8977+5411376+2231376+2238492(Top 30%)1185(Top 10%)1185(Top 22%)
15K9.32 mi3.11 mi8951+261374+21374+28922(Top 31%)1398(Top 11%)1398(Top 26%)
20K12.43 mi3.11 mi8686+2651292+821292+828127(Top 29%)1162(Top 10%)1162(Top 21%)
Half13.11 mi0.68 mi8703-171303-111303-119496(Top 33%)1738(Top 14%)1738(Top 32%)
25K15.53 mi2.42 mi8679+241310-71310-78864(Top 31%)1586(Top 13%)1586(Top 29%)
30K18.64 mi3.11 mi8445+2341278+321278+327794(Top 27%)1311(Top 11%)1311(Top 24%)
20M20.00 mi1.36 mi8314+1311256+221256+227353(Top 26%)1298(Top 11%)1298(Top 24%)
21M21.00 mi1.00 mi8173+1411236+201236+206934(Top 24%)1291(Top 11%)1291(Top 24%)
35K21.75 mi0.75 mi8023+1501204+321204+325550(Top 20%)796(Top 7%)796(Top 15%)
23M23.00 mi1.25 mi7811+2121174+301174+305859(Top 21%)972(Top 8%)972(Top 18%)
24M24.00 mi1.00 mi7681+1301157+171157+175776(Top 20%)997(Top 8%)997(Top 18%)
40K24.85 mi0.85 mi7579+1021154+31154+36184(Top 22%)1224(Top 10%)1224(Top 22%)
25.2M25.20 mi0.35 mi7543+361159-51159-56191(Top 22%)1347(Top 11%)1347(Top 25%)
Finish26.22 mi1.02 mi7479+641166-71166-76868(Top 24%)1613(Top 13%)1613(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8922

Females

1398

F18-39

1398

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8492

Females

1185

F18-39

1185

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8922

Females

1398

F18-39

1398

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

8127

Females

1162

F18-39

1162

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9496

Females

1738

F18-39

1738

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8864

Females

1586

F18-39

1586

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7794

Females

1311

F18-39

1311

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7353

Females

1298

F18-39

1298

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6934

Females

1291

F18-39

1291

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5550

Females

796

F18-39

796

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5859

Females

972

F18-39

972

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5776

Females

997

F18-39

997

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6184

Females

1224

F18-39

1224

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6191

Females

1347

F18-39

1347

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6868

Females

1613

F18-39

1613

Passing Analysis

Category:
Athletes Passed
2710
Passed By
671
Net Change
+2039
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9518
5K → 10K59251+541#9518#8977
10K → 15K182156+26#8977#8951
15K → 20K30742+265#8951#8686
20K → Half2744-17#8686#8703
Half → 25K154130+24#8703#8679
25K → 30K32793+234#8679#8445
30K → 20M16938+131#8445#8314
20M → 21M16625+141#8314#8173
21M → 35K1544+150#8173#8023
35K → 23M2219+212#8023#7811
23M → 24M14313+130#7811#7681
24M → 40K12119+102#7681#7579
40K → 25.2M5115+36#7579#7543
25.2M → Finish9632+64#7543#7479
TOTALS2710671+2039
📊

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