Boston Marathon logo
BOSTON MARATHON 2025

Carmen Palacios Chaparro

Bib: 18192•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 42%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:13
Rank: #14783
Start → 5K
24:13 | 7:48/mi
10K· 6.21 mi
48:05
Rank: #14239 (+544)
5K → 10K
23:52 | 7:41/mi
15K· 9.32 mi
1:12:34
Rank: #14509 (-270)
10K → 15K
24:29 | 7:53/mi
20K· 12.43 mi
1:38:28
Rank: #15312 (-803)
15K → 20K
25:54 | 8:20/mi
Half· 13.11 mi
1:44:02
Rank: #15406 (-94)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:05:27
Rank: #16143 (-737)
Half → 25K
21:25 | 8:50/mi
30K· 18.64 mi
2:35:12
Rank: #16988 (-845)
25K → 30K
29:45 | 9:35/mi
20M
2:47:41
Rank: #17039 (-51)
30K → 20M
12:29 | 9:11/mi
21M
2:59:30
Rank: #17677 (-638)
20M → 21M
11:49 | 11:49/mi
35K· 21.75 mi
3:05:58
Rank: #17616 (+61)
21M → 35K
6:28 | 8:39/mi
23M
3:18:28
Rank: #17849 (-233)
35K → 23M
12:30 | 9:59/mi
24M
3:27:14
Rank: #17733 (+116)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:35:08
Rank: #17730 (+3)
24M → 40K
7:54 | 9:14/mi
25.2M
3:38:47
Rank: #17765 (-35)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
3:47:26
Rank: #17718 (+47)
25.2M → Finish
8:39 | 8:29/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:02
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time2:03:24
Pace9:25 /mi
📊Positive Split: 18.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2324:137:4824:13
7:48
-
10K
6.21 mi11:38:1548:057:4423:52
7:41
-0:07
15K
9.32 mi12:02:441:12:347:4724:29
7:53
+0:12
20K
12.43 mi12:28:381:38:287:5525:54
8:20
+0:27
Half
13.11 mi12:34:121:44:027:565:34
8:10
-0:10
25K
15.53 mi12:55:372:05:278:0521:25
8:50
+0:40
30K
18.64 mi13:25:222:35:128:2029:45
9:35
+0:45
20M
20.00 mi13:37:512:47:418:2312:29
9:11
-0:24
21M
21.00 mi13:49:402:59:308:3311:49
11:49
+2:38
35K
21.75 mi13:56:083:05:588:336:28
8:39
-3:10
23M
23.00 mi14:08:383:18:288:3812:30
9:59
+1:20
24M
24.00 mi14:17:243:27:148:388:46
8:46
-1:13
40K
24.85 mi14:25:183:35:088:397:54
9:14
+0:28
25.2M
25.20 mi14:28:573:38:478:413:39
10:35
+1:21
Finish
26.22 mi14:37:363:47:268:418:39
8:29
-2:06

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

7:41 /mi

Average Pace

8:41 /mi

Slowest Pace

11:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:08

34% of race

Time at Steady Pace

1:31:35

40% of race

Time at Slower Pace

57:43

25% of race

Average Pace: 8:40 /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 mi11:14:2324:137:4824:13
7:48
#14783
10K
6.21 mi11:38:1548:057:4423:52
7:41
#14239
15K
9.32 mi12:02:441:12:347:4724:29
7:53
#14509
20K
12.43 mi12:28:381:38:287:5525:54
8:20
#15312
Half
13.11 mi12:34:121:44:027:565:34
8:10
#15406
25K
15.53 mi12:55:372:05:278:0521:25
8:50
#16143
30K
18.64 mi13:25:222:35:128:2029:45
9:35
#16988
20M
20.00 mi13:37:512:47:418:2312:29
9:11
#17039
21M
21.00 mi13:49:402:59:308:3311:49
11:49
#17677
35K
21.75 mi13:56:083:05:588:336:28
8:39
#17616
23M
23.00 mi14:08:383:18:288:3812:30
9:59
#17849
24M
24.00 mi14:17:243:27:148:388:46
8:46
#17733
40K
24.85 mi14:25:183:35:088:397:54
9:14
#17730
25.2M
25.20 mi14:28:573:38:478:413:39
10:35
#17765
Finish
26.22 mi14:37:363:47:268:418:39
8:29
#17718
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi147834404440415109(Top 53%)4649(Top 38%)4649(Top 271%)
10K6.21 mi3.10 mi14239+5444081+3234081+32313736(Top 48%)3803(Top 31%)3803(Top 221%)
15K9.32 mi3.11 mi14509-2704262-1814262-18115109(Top 53%)4649(Top 38%)4649(Top 271%)
20K12.43 mi3.11 mi15312-8034759-4974759-49717152(Top 60%)5858(Top 48%)5858(Top 341%)
Half13.11 mi0.68 mi15406-944812-534812-5317091(Top 60%)5829(Top 48%)5829(Top 339%)
25K15.53 mi2.42 mi16143-7375243-4315243-43119107(Top 67%)7027(Top 57%)7027(Top 409%)
30K18.64 mi3.11 mi16988-8455811-5685811-56820245(Top 71%)7788(Top 64%)7788(Top 453%)
20M20.00 mi1.36 mi17039-515868-575868-5717738(Top 62%)6550(Top 54%)6550(Top 381%)
21M21.00 mi1.00 mi17677-6386258-3906258-39023248(Top 82%)9626(Top 79%)9626(Top 560%)
35K21.75 mi0.75 mi17616+616249+96249+916380(Top 58%)6000(Top 49%)6000(Top 349%)
23M23.00 mi1.25 mi17849-2336413-1646413-16420433(Top 72%)8254(Top 68%)8254(Top 480%)
24M24.00 mi1.00 mi17733+1166386+276386+2716156(Top 57%)6025(Top 49%)6025(Top 351%)
40K24.85 mi0.85 mi17730+36404-186404-1817552(Top 62%)6885(Top 56%)6885(Top 401%)
25.2M25.20 mi0.35 mi17765-356430-266430-2619317(Top 68%)7805(Top 64%)7805(Top 454%)
Finish26.22 mi1.02 mi17718+476421+96421+916186(Top 57%)6130(Top 50%)6130(Top 357%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15109

Females

4649

F40-44

4649

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

13736

Females

3803

F40-44

3803

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15109

Females

4649

F40-44

4649

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

17152

Females

5858

F40-44

5858

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17091

Females

5829

F40-44

5829

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19107

Females

7027

F40-44

7027

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

20245

Females

7788

F40-44

7788

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17738

Females

6550

F40-44

6550

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23248

Females

9626

F40-44

9626

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

16380

Females

6000

F40-44

6000

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20433

Females

8254

F40-44

8254

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16156

Females

6025

F40-44

6025

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17552

Females

6885

F40-44

6885

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19317

Females

7805

F40-44

7805

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16186

Females

6130

F40-44

6130

Passing Analysis

Category:
Athletes Passed
1524
Passed By
4459
Net Change
-2935
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14783
5K → 10K64096+544#14783#14239
10K → 15K124394-270#14239#14509
15K → 20K73876-803#14509#15312
20K → Half13107-94#15312#15406
Half → 25K42779-737#15406#16143
25K → 30K66911-845#16143#16988
30K → 20M76127-51#16988#17039
20M → 21M25663-638#17039#17677
21M → 35K9231+61#17677#17616
35K → 23M54287-233#17616#17849
23M → 24M14731+116#17849#17733
24M → 40K6057+3#17733#17730
40K → 25.2M2560-35#17730#17765
25.2M → Finish8740+47#17765#17718
TOTALS15244459-2935
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing