Boston Marathon logo
BOSTON MARATHON 2025

Ximena Romero Báez

Bib: 16258•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 28%
Gender (Female)
#0 / 12228
Top 11%
Division (F18-39)
#0 / 5469
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:00
Rank: #11358
Start → 5K
7:24/mi
23:00 split
10K· 6.21 mi
46:01
Rank: #11286 (+72)
5K → 10K
7:25/mi
23:01 split
15K· 9.32 mi
1:09:00
Rank: #11090 (+196)
10K → 15K
7:24/mi
22:59 split
20K· 12.43 mi
1:31:53
Rank: #10703 (+387)
15K → 20K
7:22/mi
22:53 split
Half· 13.11 mi
1:36:44
Rank: #10564 (+139)
20K → Half
7:07/mi
4:51 split
25K· 15.53 mi
1:54:21
Rank: #10106 (+458)
Half → 25K
7:16/mi
17:37 split
30K· 18.64 mi
2:16:54
Rank: #9234 (+872)
25K → 30K
7:15/mi
22:33 split
20M
2:26:46
Rank: #8851 (+383)
30K → 20M
7:16/mi
9:52 split
21M
2:34:17
Rank: #8524 (+327)
20M → 21M
7:31/mi
7:31 split
35K· 21.75 mi
2:39:33
Rank: #8363 (+161)
21M → 35K
7:02/mi
5:16 split
23M
2:48:48
Rank: #8138 (+225)
35K → 23M
7:23/mi
9:15 split
24M
2:56:03
Rank: #7997 (+141)
23M → 24M
7:15/mi
7:15 split
40K· 24.85 mi
3:02:28
Rank: #7911 (+86)
24M → 40K
7:30/mi
6:25 split
25.2M
3:05:22
Rank: #7886 (+25)
40K → 25.2M
8:25/mi
2:54 split
Finish· 26.22 mi
3:13:05
Rank: #7937 (-51)
25.2M → Finish
7:34/mi
7:43 split

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 Half⚖️ Balanced
Distance13.11 mi
Time1:36:44
Pace7:23 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:21
Pace7:21 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:3323:007:2423:00
7:24
-
10K
6.21 mi11:19:3446:017:2423:01
7:25
+0:01
15K
9.32 mi11:42:331:09:007:2422:59
7:24
-0:01
20K
12.43 mi12:05:261:31:537:2422:53
7:22
-0:02
Half
13.11 mi12:10:171:36:447:234:51
7:07
-0:15
25K
15.53 mi12:27:541:54:217:2217:37
7:16
+0:09
30K
18.64 mi12:50:272:16:547:2122:33
7:15
-0:01
20M
20.00 mi13:00:192:26:467:209:52
7:16
+0:01
21M
21.00 mi13:07:502:34:177:217:31
7:31
+0:15
35K
21.75 mi13:13:062:39:337:205:16
7:02
-0:29
23M
23.00 mi13:22:212:48:487:209:15
7:23
+0:21
24M
24.00 mi13:29:362:56:037:207:15
7:15
-0:08
40K
24.85 mi13:36:013:02:287:206:25
7:30
+0:15
25.2M
25.20 mi13:38:553:05:227:212:54
8:25
+0:55
Finish
26.22 mi13:46:383:13:057:227:43
7:34
-0:51

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

7:22 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:11

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:54

2% of race

Average Pace: 7:22 /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 mi10:56:3323:007:2423:00
7:24
#11358
10K
6.21 mi11:19:3446:017:2423:01
7:25
#11286
15K
9.32 mi11:42:331:09:007:2422:59
7:24
#11090
20K
12.43 mi12:05:261:31:537:2422:53
7:22
#10703
Half
13.11 mi12:10:171:36:447:234:51
7:07
#10564
25K
15.53 mi12:27:541:54:217:2217:37
7:16
#10106
30K
18.64 mi12:50:272:16:547:2122:33
7:15
#9234
20M
20.00 mi13:00:192:26:467:209:52
7:16
#8851
21M
21.00 mi13:07:502:34:177:217:31
7:31
#8524
35K
21.75 mi13:13:062:39:337:205:16
7:02
#8363
23M
23.00 mi13:22:212:48:487:209:15
7:23
#8138
24M
24.00 mi13:29:362:56:037:207:15
7:15
#7997
40K
24.85 mi13:36:013:02:287:206:25
7:30
#7911
25.2M
25.20 mi13:38:553:05:227:212:54
8:25
#7886
Finish
26.22 mi13:46:383:13:057:227:43
7:34
#7937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi113582460246010857(Top 38%)2295(Top 19%)2295(Top 42%)
10K6.21 mi3.10 mi11286+722440+202440+2011263(Top 40%)2442(Top 20%)2442(Top 45%)
15K9.32 mi3.11 mi11090+1962360+802360+8010857(Top 38%)2295(Top 19%)2295(Top 42%)
20K12.43 mi3.11 mi10703+3872195+1652195+1659597(Top 34%)1778(Top 15%)1778(Top 33%)
Half13.11 mi0.68 mi10564+1392127+682127+688420(Top 30%)1258(Top 10%)1258(Top 23%)
25K15.53 mi2.42 mi10106+4581962+1651962+1658119(Top 29%)1263(Top 10%)1263(Top 23%)
30K18.64 mi3.11 mi9234+8721612+3501612+3506232(Top 22%)746(Top 6%)746(Top 14%)
20M20.00 mi1.36 mi8851+3831476+1361476+1365589(Top 20%)681(Top 6%)681(Top 12%)
21M21.00 mi1.00 mi8524+3271378+981378+984733(Top 17%)551(Top 5%)551(Top 10%)
35K21.75 mi0.75 mi8363+1611333+451333+455703(Top 20%)838(Top 7%)838(Top 15%)
23M23.00 mi1.25 mi8138+2251294+391294+396021(Top 21%)1031(Top 8%)1031(Top 19%)
24M24.00 mi1.00 mi7997+1411280+141280+146153(Top 22%)1129(Top 9%)1129(Top 21%)
40K24.85 mi0.85 mi7911+861276+41276+46851(Top 24%)1491(Top 12%)1491(Top 27%)
25.2M25.20 mi0.35 mi7886+251278-21278-28291(Top 29%)2171(Top 18%)2171(Top 40%)
Finish26.22 mi1.02 mi7937-511330-521330-529750(Top 34%)2868(Top 23%)2868(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10857

Females

2295

F18-39

2295

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11263

Females

2442

F18-39

2442

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10857

Females

2295

F18-39

2295

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9597

Females

1778

F18-39

1778

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8420

Females

1258

F18-39

1258

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8119

Females

1263

F18-39

1263

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6232

Females

746

F18-39

746

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5589

Females

681

F18-39

681

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4733

Females

551

F18-39

551

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5703

Females

838

F18-39

838

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

6021

Females

1031

F18-39

1031

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

6153

Females

1129

F18-39

1129

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6851

Females

1491

F18-39

1491

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8291

Females

2171

F18-39

2171

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9750

Females

2868

F18-39

2868

Passing Analysis

Category:
Athletes Passed
3940*
Passed By
519
Net Change
+3421
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11358
5K → 10K286214+72#11358#11286
10K → 15K28387+196#11286#11090
15K → 20K41023+387#11090#10703
20K → Half1390+139#10703#10564
Half → 25K4668+458#10564#10106
25K → 30K872*0+872#10106#9234
30K → 20M3863+383#9234#8851
20M → 21M3270+327#8851#8524
21M → 35K1632+161#8524#8363
35K → 23M24015+225#8363#8138
23M → 24M1498+141#8138#7997
24M → 40K11428+86#7997#7911
40K → 25.2M4318+25#7911#7886
25.2M → Finish62113-51#7886#7937
TOTALS3940*519+3421

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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