Boston Marathon logo
BOSTON MARATHON 2025

Loida Escobar Cordova

Bib: 12981•F

MI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:40
Rank: #10337
Start → 5K
22:40 | 7:18/mi
10K· 6.21 mi
45:24
Rank: #10397 (-60)
5K → 10K
22:44 | 7:19/mi
15K· 9.32 mi
1:07:01
Rank: #9259 (+1138)
10K → 15K
21:37 | 6:57/mi
20K· 12.43 mi
1:28:59
Rank: #8643 (+616)
15K → 20K
21:58 | 7:04/mi
Half· 13.11 mi
1:33:42
Rank: #8518 (+125)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:50:57
Rank: #8239 (+279)
Half → 25K
17:15 | 7:07/mi
30K· 18.64 mi
2:14:50
Rank: #8287 (-48)
25K → 30K
23:53 | 7:41/mi
20M
2:25:40
Rank: #8408 (-121)
30K → 20M
10:50 | 7:58/mi
21M
2:33:36
Rank: #8261 (+147)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:38:56
Rank: #8113 (+148)
21M → 35K
5:20 | 7:08/mi
23M
2:48:04
Rank: #7858 (+255)
35K → 23M
9:08 | 7:18/mi
24M
2:55:15
Rank: #7730 (+128)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
3:01:33
Rank: #7622 (+108)
24M → 40K
6:18 | 7:22/mi
25.2M
3:04:17
Rank: #7564 (+58)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:11:24
Rank: #7446 (+118)
25.2M → Finish
7:07 | 6:59/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
Time1:33:42
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:37:42
Pace7:27 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4122:407:1822:40
7:18
-
10K
6.21 mi11:15:2545:247:1822:44
7:19
+0:01
15K
9.32 mi11:37:021:07:017:1121:37
6:57
-0:22
20K
12.43 mi11:59:001:28:597:1021:58
7:04
+0:07
Half
13.11 mi12:03:431:33:427:094:43
6:55
-0:09
25K
15.53 mi12:20:581:50:577:0917:15
7:07
+0:12
30K
18.64 mi12:44:512:14:507:1423:53
7:41
+0:34
20M
20.00 mi12:55:412:25:407:1710:50
7:58
+0:17
21M
21.00 mi13:03:372:33:367:197:56
7:56
-0:02
35K
21.75 mi13:08:572:38:567:185:20
7:08
-0:48
23M
23.00 mi13:18:052:48:047:189:08
7:18
+0:10
24M
24.00 mi13:25:162:55:157:187:11
7:11
-0:07
40K
24.85 mi13:31:343:01:337:186:18
7:22
+0:11
25.2M
25.20 mi13:34:183:04:177:192:44
7:56
+0:34
Finish
26.22 mi13:41:253:11:247:187:07
6:59
-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

6:55 /mi

Average Pace

7:18 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:01

76% of race

Time at Steady Pace

45:23

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:52:4122:407:1822:40
7:18
#10337
10K
6.21 mi11:15:2545:247:1822:44
7:19
#10397
15K
9.32 mi11:37:021:07:017:1121:37
6:57
#9259
20K
12.43 mi11:59:001:28:597:1021:58
7:04
#8643
Half
13.11 mi12:03:431:33:427:094:43
6:55
#8518
25K
15.53 mi12:20:581:50:577:0917:15
7:07
#8239
30K
18.64 mi12:44:512:14:507:1423:53
7:41
#8287
20M
20.00 mi12:55:412:25:407:1710:50
7:58
#8408
21M
21.00 mi13:03:372:33:367:197:56
7:56
#8261
35K
21.75 mi13:08:572:38:567:185:20
7:08
#8113
23M
23.00 mi13:18:052:48:047:189:08
7:18
#7858
24M
24.00 mi13:25:162:55:157:187:11
7:11
#7730
40K
24.85 mi13:31:343:01:337:186:18
7:22
#7622
25.2M
25.20 mi13:34:183:04:177:192:44
7:56
#7564
Finish
26.22 mi13:41:253:11:247:187:07
6:59
#7446
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10337195619567370(Top 26%)826(Top 7%)826(Top 15%)
10K6.21 mi3.10 mi10397-602004-482004-4810491(Top 37%)2051(Top 17%)2051(Top 38%)
15K9.32 mi3.11 mi9259+11381502+5021502+5027370(Top 26%)826(Top 7%)826(Top 15%)
20K12.43 mi3.11 mi8643+6161268+2341268+2347354(Top 26%)878(Top 7%)878(Top 16%)
Half13.11 mi0.68 mi8518+1251226+421226+427075(Top 25%)800(Top 7%)800(Top 15%)
25K15.53 mi2.42 mi8239+2791141+851141+857083(Top 25%)888(Top 7%)888(Top 16%)
30K18.64 mi3.11 mi8287-481217-761217-769109(Top 32%)1886(Top 15%)1886(Top 34%)
20M20.00 mi1.36 mi8408-1211296-791296-7910257(Top 36%)2558(Top 21%)2558(Top 47%)
21M21.00 mi1.00 mi8261+1471268+281268+287002(Top 25%)1300(Top 11%)1300(Top 24%)
35K21.75 mi0.75 mi8113+1481235+331235+336201(Top 22%)991(Top 8%)991(Top 18%)
23M23.00 mi1.25 mi7858+2551189+461189+465470(Top 19%)816(Top 7%)816(Top 15%)
24M24.00 mi1.00 mi7730+1281174+151174+155755(Top 20%)976(Top 8%)976(Top 18%)
40K24.85 mi0.85 mi7622+1081170+41170+46048(Top 21%)1156(Top 9%)1156(Top 21%)
25.2M25.20 mi0.35 mi7564+581167+31167+35649(Top 20%)1112(Top 9%)1112(Top 20%)
Finish26.22 mi1.02 mi7446+1181156+111156+115654(Top 20%)1120(Top 9%)1120(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7370

Females

826

F18-39

826

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10491

Females

2051

F18-39

2051

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7370

Females

826

F18-39

826

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7354

Females

878

F18-39

878

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7075

Females

800

F18-39

800

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7083

Females

888

F18-39

888

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

9109

Females

1886

F18-39

1886

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10257

Females

2558

F18-39

2558

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

7002

Females

1300

F18-39

1300

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6201

Females

991

F18-39

991

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5470

Females

816

F18-39

816

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5755

Females

976

F18-39

976

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6048

Females

1156

F18-39

1156

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5649

Females

1112

F18-39

1112

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5654

Females

1120

F18-39

1120

Passing Analysis

Category:
Athletes Passed
3711*
Passed By
820
Net Change
+2891
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10337
5K → 10K229289-60#10337#10397
10K → 15K1138*0+1138#10397#9259
15K → 20K6215+616#9259#8643
20K → Half1272+125#8643#8518
Half → 25K29112+279#8518#8239
25K → 30K185233-48#8239#8287
30K → 20M66187-121#8287#8408
20M → 21M16720+147#8408#8261
21M → 35K1546+148#8261#8113
35K → 23M2627+255#8113#7858
23M → 24M14618+128#7858#7730
24M → 40K12719+108#7730#7622
40K → 25.2M657+58#7622#7564
25.2M → Finish13315+118#7564#7446
TOTALS3711*820+2891

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

📊

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