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BOSTON MARATHON 2025

Alicia Sanchez Alcorlo

Bib: 20735•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
Masters (Masters Women)
#0 / 6759
Top 20%
Division (F40-44)
#0 / 1718
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:21
Rank: #12395
Start → 5K
23:21 | 7:31/mi
10K· 6.21 mi
47:06
Rank: #12847 (-452)
5K → 10K
23:45 | 7:39/mi
15K· 9.32 mi
1:11:27
Rank: #13466 (-619)
10K → 15K
24:21 | 7:50/mi
20K· 12.43 mi
1:36:15
Rank: #13758 (-292)
15K → 20K
24:48 | 7:59/mi
Half· 13.11 mi
1:41:36
Rank: #13795 (-37)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:01:02
Rank: #13825 (-30)
Half → 25K
19:26 | 8:01/mi
30K· 18.64 mi
2:26:59
Rank: #13764 (+61)
25K → 30K
25:57 | 8:21/mi
20M
2:38:28
Rank: #13699 (+65)
30K → 20M
11:29 | 8:27/mi
21M
2:47:37
Rank: #13716 (-17)
20M → 21M
9:09 | 9:09/mi
35K· 21.75 mi
2:53:55
Rank: #13754 (-38)
21M → 35K
6:18 | 8:25/mi
23M
3:04:36
Rank: #13724 (+30)
35K → 23M
10:41 | 8:32/mi
24M
3:12:59
Rank: #13731 (-7)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:20:21
Rank: #13728 (+3)
24M → 40K
7:22 | 8:37/mi
25.2M
3:23:33
Rank: #13721 (+7)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:32:03
Rank: #13770 (-49)
25.2M → Finish
8:30 | 8:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:36
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:50:27
Pace8:26 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5623:217:3123:21
7:31
-
10K
6.21 mi11:40:4147:067:3523:45
7:39
+0:08
15K
9.32 mi12:05:021:11:277:4024:21
7:50
+0:11
20K
12.43 mi12:29:501:36:157:4524:48
7:59
+0:09
Half
13.11 mi12:35:111:41:367:455:21
7:50
-0:09
25K
15.53 mi12:54:372:01:027:4719:26
8:01
+0:11
30K
18.64 mi13:20:342:26:597:5325:57
8:21
+0:20
20M
20.00 mi13:32:032:38:287:5511:29
8:27
+0:06
21M
21.00 mi13:41:122:47:377:599:09
9:09
+0:42
35K
21.75 mi13:47:302:53:558:006:18
8:25
-0:44
23M
23.00 mi13:58:113:04:368:0210:41
8:32
+0:07
24M
24.00 mi14:06:343:12:598:028:23
8:23
-0:09
40K
24.85 mi14:13:563:20:218:047:22
8:37
+0:14
25.2M
25.20 mi14:17:083:23:338:053:12
9:17
+0:40
Finish
26.22 mi14:25:383:32:038:068:30
8:20
-0:57

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

7:31 /mi

Average Pace

8:06 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:02

57% of race

Time at Steady Pace

1:11:18

34% of race

Time at Slower Pace

19:43

9% of race

Average Pace: 8:05 /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 mi11:16:5623:217:3123:21
7:31
#12395
10K
6.21 mi11:40:4147:067:3523:45
7:39
#12847
15K
9.32 mi12:05:021:11:277:4024:21
7:50
#13466
20K
12.43 mi12:29:501:36:157:4524:48
7:59
#13758
Half
13.11 mi12:35:111:41:367:455:21
7:50
#13795
25K
15.53 mi12:54:372:01:027:4719:26
8:01
#13825
30K
18.64 mi13:20:342:26:597:5325:57
8:21
#13764
20M
20.00 mi13:32:032:38:287:5511:29
8:27
#13699
21M
21.00 mi13:41:122:47:377:599:09
9:09
#13716
35K
21.75 mi13:47:302:53:558:006:18
8:25
#13754
23M
23.00 mi13:58:113:04:368:0210:41
8:32
#13724
24M
24.00 mi14:06:343:12:598:028:23
8:23
#13731
40K
24.85 mi14:13:563:20:218:047:22
8:37
#13728
25.2M
25.20 mi14:17:083:23:338:053:12
9:17
#13721
Finish
26.22 mi14:25:383:32:038:068:30
8:20
#13770
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi123953015301514708(Top 52%)4422(Top 36%)4422(Top 257%)
10K6.21 mi3.10 mi12847-4523259-2443259-24413426(Top 47%)3620(Top 30%)3620(Top 211%)
15K9.32 mi3.11 mi13466-6193668-4093668-40914708(Top 52%)4422(Top 36%)4422(Top 257%)
20K12.43 mi3.11 mi13758-2923872-2043872-20414799(Top 52%)4529(Top 37%)4529(Top 264%)
Half13.11 mi0.68 mi13795-373903-313903-3114655(Top 52%)4422(Top 36%)4422(Top 257%)
25K15.53 mi2.42 mi13825-303945-423945-4214026(Top 49%)4220(Top 35%)4220(Top 246%)
30K18.64 mi3.11 mi13764+613972-273972-2713848(Top 49%)4281(Top 35%)4281(Top 249%)
20M20.00 mi1.36 mi13699+653967+53967+513491(Top 47%)4242(Top 35%)4242(Top 247%)
21M21.00 mi1.00 mi13716-174013-464013-4614362(Top 51%)4816(Top 39%)4816(Top 280%)
35K21.75 mi0.75 mi13754-384054-414054-4115002(Top 53%)5219(Top 43%)5219(Top 304%)
23M23.00 mi1.25 mi13724+304073-194073-1913535(Top 48%)4541(Top 37%)4541(Top 264%)
24M24.00 mi1.00 mi13731-74108-354108-3513779(Top 49%)4702(Top 38%)4702(Top 274%)
40K24.85 mi0.85 mi13728+34135-274135-2714163(Top 50%)5043(Top 41%)5043(Top 294%)
25.2M25.20 mi0.35 mi13721+74147-124147-1213391(Top 47%)4700(Top 38%)4700(Top 274%)
Finish26.22 mi1.02 mi13770-494195-484195-4815199(Top 54%)5584(Top 46%)5584(Top 325%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14708

Females

4422

F40-44

4422

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

13426

Females

3620

F40-44

3620

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14708

Females

4422

F40-44

4422

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14799

Females

4529

F40-44

4529

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

14655

Females

4422

F40-44

4422

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

14026

Females

4220

F40-44

4220

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13848

Females

4281

F40-44

4281

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13491

Females

4242

F40-44

4242

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

14362

Females

4816

F40-44

4816

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

15002

Females

5219

F40-44

5219

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13535

Females

4541

F40-44

4541

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13779

Females

4702

F40-44

4702

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14163

Females

5043

F40-44

5043

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13391

Females

4700

F40-44

4700

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15199

Females

5584

F40-44

5584

Passing Analysis

Category:
Athletes Passed
1442
Passed By
2817
Net Change
-1375
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12395
5K → 10K122574-452#12395#12847
10K → 15K60679-619#12847#13466
15K → 20K121413-292#13466#13758
20K → Half2158-37#13758#13795
Half → 25K174204-30#13795#13825
25K → 30K269208+61#13825#13764
30K → 20M14782+65#13764#13699
20M → 21M99116-17#13699#13716
21M → 35K4583-38#13716#13754
35K → 23M12494+30#13754#13724
23M → 24M8188-7#13724#13731
24M → 40K8885+3#13731#13728
40K → 25.2M3932+7#13728#13721
25.2M → Finish52101-49#13721#13770
TOTALS14422817-1375
📊

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