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BOSTON MARATHON 2025

Paula Calvo

Bib: 13221•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
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
23:35
Rank: #13050
Start → 5K
23:35 | 7:35/mi
10K· 6.21 mi
47:30
Rank: #13450 (-400)
5K → 10K
23:55 | 7:42/mi
15K· 9.32 mi
1:11:25
Rank: #13429 (+21)
10K → 15K
23:55 | 7:42/mi
20K· 12.43 mi
1:35:43
Rank: #13393 (+36)
15K → 20K
24:18 | 7:49/mi
Half· 13.11 mi
1:41:03
Rank: #13440 (-47)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:00:23
Rank: #13431 (+9)
Half → 25K
19:20 | 7:58/mi
30K· 18.64 mi
2:26:50
Rank: #13692 (-261)
25K → 30K
26:27 | 8:31/mi
20M
2:38:43
Rank: #13794 (-102)
30K → 20M
11:53 | 8:45/mi
21M
2:47:56
Rank: #13830 (-36)
20M → 21M
9:13 | 9:13/mi
35K· 21.75 mi
2:54:38
Rank: #14019 (-189)
21M → 35K
6:42 | 8:57/mi
23M
3:05:39
Rank: #14118 (-99)
35K → 23M
11:01 | 8:48/mi
24M
3:14:25
Rank: #14216 (-98)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:22:01
Rank: #14250 (-34)
24M → 40K
7:36 | 8:53/mi
25.2M
3:25:21
Rank: #14254 (-4)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:34:10
Rank: #14339 (-85)
25.2M → Finish
8:49 | 8:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:03
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:53:07
Pace8:38 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1023:357:3523:35
7:35
-
10K
6.21 mi11:16:0547:307:3923:55
7:42
+0:07
15K
9.32 mi11:40:001:11:257:4023:55
7:42
0:00
20K
12.43 mi12:04:181:35:437:4224:18
7:49
+0:07
Half
13.11 mi12:09:381:41:037:425:20
7:49
0:00
25K
15.53 mi12:28:582:00:237:4519:20
7:58
+0:09
30K
18.64 mi12:55:252:26:507:5326:27
8:31
+0:33
20M
20.00 mi13:07:182:38:437:5611:53
8:45
+0:14
21M
21.00 mi13:16:312:47:568:009:13
9:13
+0:28
35K
21.75 mi13:23:132:54:388:026:42
8:57
-0:16
23M
23.00 mi13:34:143:05:398:0411:01
8:48
-0:09
24M
24.00 mi13:43:003:14:258:068:46
8:46
-0:02
40K
24.85 mi13:50:363:22:018:087:36
8:53
+0:07
25.2M
25.20 mi13:53:563:25:218:093:20
9:40
+0:47
Finish
26.22 mi14:02:453:34:108:108:49
8:39
-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

7:35 /mi

Average Pace

8:10 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:23

56% of race

Time at Steady Pace

1:21:14

38% of race

Time at Slower Pace

12:33

6% of race

Average Pace: 8:10 /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 mi10:52:1023:357:3523:35
7:35
#13050
10K
6.21 mi11:16:0547:307:3923:55
7:42
#13450
15K
9.32 mi11:40:001:11:257:4023:55
7:42
#13429
20K
12.43 mi12:04:181:35:437:4224:18
7:49
#13393
Half
13.11 mi12:09:381:41:037:425:20
7:49
#13440
25K
15.53 mi12:28:582:00:237:4519:20
7:58
#13431
30K
18.64 mi12:55:252:26:507:5326:27
8:31
#13692
20M
20.00 mi13:07:182:38:437:5611:53
8:45
#13794
21M
21.00 mi13:16:312:47:568:009:13
9:13
#13830
35K
21.75 mi13:23:132:54:388:026:42
8:57
#14019
23M
23.00 mi13:34:143:05:398:0411:01
8:48
#14118
24M
24.00 mi13:43:003:14:258:068:46
8:46
#14216
40K
24.85 mi13:50:363:22:018:087:36
8:53
#14250
25.2M
25.20 mi13:53:563:25:218:093:20
9:40
#14254
Finish
26.22 mi14:02:453:34:108:108:49
8:39
#14339
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130503344334413503(Top 48%)3741(Top 31%)3741(Top 68%)
10K6.21 mi3.10 mi13450-4003620-2763620-27613900(Top 49%)3901(Top 32%)3901(Top 71%)
15K9.32 mi3.11 mi13429+213645-253645-2513503(Top 48%)3741(Top 31%)3741(Top 68%)
20K12.43 mi3.11 mi13393+363653-83653-813465(Top 47%)3798(Top 31%)3798(Top 69%)
Half13.11 mi0.68 mi13440-473696-433696-4314468(Top 51%)4333(Top 35%)4333(Top 79%)
25K15.53 mi2.42 mi13431+93729-333729-3313702(Top 48%)4062(Top 33%)4062(Top 74%)
30K18.64 mi3.11 mi13692-2613932-2033932-20314845(Top 52%)4817(Top 39%)4817(Top 88%)
20M20.00 mi1.36 mi13794-1024025-934025-9315352(Top 54%)5231(Top 43%)5231(Top 96%)
21M21.00 mi1.00 mi13830-364077-524077-5214726(Top 52%)5013(Top 41%)5013(Top 92%)
35K21.75 mi0.75 mi14019-1894197-1204197-12018021(Top 63%)6903(Top 56%)6903(Top 126%)
23M23.00 mi1.25 mi14118-994295-984295-9815110(Top 53%)5389(Top 44%)5389(Top 99%)
24M24.00 mi1.00 mi14216-984370-754370-7516126(Top 57%)5995(Top 49%)5995(Top 110%)
40K24.85 mi0.85 mi14250-344414-444414-4415707(Top 55%)5891(Top 48%)5891(Top 108%)
25.2M25.20 mi0.35 mi14254-44425-114425-1115473(Top 54%)5797(Top 47%)5797(Top 106%)
Finish26.22 mi1.02 mi14339-854503-784503-7817186(Top 61%)6648(Top 54%)6648(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

13503

Females

3741

F18-39

3741

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13900

Females

3901

F18-39

3901

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

13503

Females

3741

F18-39

3741

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13465

Females

3798

F18-39

3798

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14468

Females

4333

F18-39

4333

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13702

Females

4062

F18-39

4062

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14845

Females

4817

F18-39

4817

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15352

Females

5231

F18-39

5231

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14726

Females

5013

F18-39

5013

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

18021

Females

6903

F18-39

6903

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15110

Females

5389

F18-39

5389

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16126

Females

5995

F18-39

5995

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15707

Females

5891

F18-39

5891

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15473

Females

5797

F18-39

5797

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17186

Females

6648

F18-39

6648

Passing Analysis

Category:
Athletes Passed
1420
Passed By
2709
Net Change
-1289
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13050
5K → 10K144544-400#13050#13450
10K → 15K211190+21#13450#13429
15K → 20K209173+36#13429#13393
20K → Half2269-47#13393#13440
Half → 25K165156+9#13440#13431
25K → 30K180441-261#13431#13692
30K → 20M93195-102#13692#13794
20M → 21M92128-36#13794#13830
21M → 35K33222-189#13830#14019
35K → 23M82181-99#14019#14118
23M → 24M52150-98#14118#14216
24M → 40K5993-34#14216#14250
40K → 25.2M3135-4#14250#14254
25.2M → Finish47132-85#14254#14339
TOTALS14202709-1289
📊

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