Boston Marathon logo
BOSTON MARATHON 2025

María Romo Espinoza

Bib: 19977•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
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
25:55
Rank: #18985
Start → 5K
25:55 | 8:21/mi
10K· 6.21 mi
51:42
Rank: #18748 (+237)
5K → 10K
25:47 | 8:18/mi
15K· 9.32 mi
1:18:38
Rank: #19269 (-521)
10K → 15K
26:56 | 8:40/mi
20K· 12.43 mi
1:46:18
Rank: #19619 (-350)
15K → 20K
27:40 | 8:54/mi
Half· 13.11 mi
1:52:11
Rank: #19625 (-6)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:14:34
Rank: #19855 (-230)
Half → 25K
22:23 | 9:14/mi
30K· 18.64 mi
2:43:38
Rank: #19740 (+115)
25K → 30K
29:04 | 9:21/mi
20M
2:56:14
Rank: #19621 (+119)
30K → 20M
12:36 | 9:16/mi
21M
3:06:26
Rank: #19591 (+30)
20M → 21M
10:12 | 10:12/mi
35K· 21.75 mi
3:13:04
Rank: #19514 (+77)
21M → 35K
6:38 | 8:52/mi
23M
3:24:48
Rank: #19435 (+79)
35K → 23M
11:44 | 9:22/mi
24M
3:33:49
Rank: #19340 (+95)
23M → 24M
9:01 | 9:01/mi
40K· 24.85 mi
3:41:41
Rank: #19264 (+76)
24M → 40K
7:52 | 9:12/mi
25.2M
3:45:10
Rank: #19209 (+55)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:54:18
Rank: #19202 (+7)
25.2M → Finish
9:08 | 8:58/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
Time1:52:11
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:02:07
Pace9:19 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4225:558:2125:55
8:21
-
10K
6.21 mi11:48:2951:428:1925:47
8:18
-0:03
15K
9.32 mi12:15:251:18:388:2626:56
8:40
+0:22
20K
12.43 mi12:43:051:46:188:3327:40
8:54
+0:14
Half
13.11 mi12:48:581:52:118:335:53
8:37
-0:17
25K
15.53 mi13:11:212:14:348:4022:23
9:14
+0:37
30K
18.64 mi13:40:252:43:388:4729:04
9:21
+0:07
20M
20.00 mi13:53:012:56:148:4912:36
9:16
-0:05
21M
21.00 mi14:03:133:06:268:5310:12
10:12
+0:56
35K
21.75 mi14:09:513:13:048:536:38
8:52
-1:20
23M
23.00 mi14:21:353:24:488:5411:44
9:22
+0:30
24M
24.00 mi14:30:363:33:498:559:01
9:01
-0:21
40K
24.85 mi14:38:283:41:418:557:52
9:12
+0:11
25.2M
25.20 mi14:41:573:45:108:563:29
10:06
+0:54
Finish
26.22 mi14:51:053:54:188:579:08
8:58
-1:08

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

8:18 /mi

Average Pace

8:57 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:31

36% of race

Time at Steady Pace

1:35:18

41% of race

Time at Slower Pace

54:29

23% of race

Average Pace: 8:56 /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 mi11:22:4225:558:2125:55
8:21
#18985
10K
6.21 mi11:48:2951:428:1925:47
8:18
#18748
15K
9.32 mi12:15:251:18:388:2626:56
8:40
#19269
20K
12.43 mi12:43:051:46:188:3327:40
8:54
#19619
Half
13.11 mi12:48:581:52:118:335:53
8:37
#19625
25K
15.53 mi13:11:212:14:348:4022:23
9:14
#19855
30K
18.64 mi13:40:252:43:388:4729:04
9:21
#19740
20M
20.00 mi13:53:012:56:148:4912:36
9:16
#19621
21M
21.00 mi14:03:133:06:268:5310:12
10:12
#19591
35K
21.75 mi14:09:513:13:048:536:38
8:52
#19514
23M
23.00 mi14:21:353:24:488:5411:44
9:22
#19435
24M
24.00 mi14:30:363:33:498:559:01
9:01
#19340
40K
24.85 mi14:38:283:41:418:557:52
9:12
#19264
25.2M
25.20 mi14:41:573:45:108:563:29
10:06
#19209
Finish
26.22 mi14:51:053:54:188:579:08
8:58
#19202
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi189856901690120299(Top 71%)7594(Top 62%)7594(Top 442%)
10K6.21 mi3.10 mi18748+2376764+1376764+13718563(Top 65%)6632(Top 54%)6632(Top 386%)
15K9.32 mi3.11 mi19269-5217044-2807044-28020299(Top 71%)7594(Top 62%)7594(Top 442%)
20K12.43 mi3.11 mi19619-3507256-2127256-21220504(Top 72%)7772(Top 64%)7772(Top 452%)
Half13.11 mi0.68 mi19625-67263-77263-719961(Top 70%)7449(Top 61%)7449(Top 434%)
25K15.53 mi2.42 mi19855-2307400-1377400-13720907(Top 74%)8038(Top 66%)8038(Top 468%)
30K18.64 mi3.11 mi19740+1157377+237377+2319375(Top 68%)7327(Top 60%)7327(Top 426%)
20M20.00 mi1.36 mi19621+1197332+457332+4518186(Top 64%)6826(Top 56%)6826(Top 397%)
21M21.00 mi1.00 mi19591+307344-127344-1219032(Top 67%)7344(Top 60%)7344(Top 427%)
35K21.75 mi0.75 mi19514+777311+337311+3317639(Top 62%)6714(Top 55%)6714(Top 391%)
23M23.00 mi1.25 mi19435+797304+77304+718122(Top 64%)7046(Top 58%)7046(Top 410%)
24M24.00 mi1.00 mi19340+957273+317273+3117484(Top 62%)6761(Top 55%)6761(Top 394%)
40K24.85 mi0.85 mi19264+767246+277246+2717386(Top 61%)6804(Top 56%)6804(Top 396%)
25.2M25.20 mi0.35 mi19209+557229+177229+1717534(Top 62%)6888(Top 56%)6888(Top 401%)
Finish26.22 mi1.02 mi19202+77247-187247-1818869(Top 66%)7529(Top 62%)7529(Top 438%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

20299

Females

7594

F40-44

7594

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18563

Females

6632

F40-44

6632

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

20299

Females

7594

F40-44

7594

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20504

Females

7772

F40-44

7772

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19961

Females

7449

F40-44

7449

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

20907

Females

8038

F40-44

8038

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19375

Females

7327

F40-44

7327

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18186

Females

6826

F40-44

6826

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

19032

Females

7344

F40-44

7344

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17639

Females

6714

F40-44

6714

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

18122

Females

7046

F40-44

7046

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17484

Females

6761

F40-44

6761

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17386

Females

6804

F40-44

6804

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17534

Females

6888

F40-44

6888

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18869

Females

7529

F40-44

7529

Passing Analysis

Category:
Athletes Passed
1787
Passed By
2004
Net Change
-217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18985
5K → 10K396159+237#18985#18748
10K → 15K68589-521#18748#19269
15K → 20K100450-350#19269#19619
20K → Half2935-6#19619#19625
Half → 25K87317-230#19625#19855
25K → 30K282167+115#19855#19740
30K → 20M15738+119#19740#19621
20M → 21M11383+30#19621#19591
21M → 35K9215+77#19591#19514
35K → 23M13051+79#19514#19435
23M → 24M11722+95#19435#19340
24M → 40K9721+76#19340#19264
40K → 25.2M627+55#19264#19209
25.2M → Finish5750+7#19209#19202
TOTALS17872004-217
📊

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