Boston Marathon logo
BOSTON MARATHON 2025

Otilia Rivera Dominguez

Bib: 21805•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 (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:23/mi
26:03
↑ 97↓ 3451.5%
10K· 6.21 mi
8:26/mi
52:15
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:19:06
↑ 67↓ 78
20K· 12.43 mi
9:11/mi
1:47:38
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:53:45
↑ 19↓ 370.5%
25K· 15.53 mi
9:26/mi
2:16:38
↑ 66↓ 880.2%
30K· 18.64 mi
10:36/mi
2:49:34
↑ 181↓ 1480.2%
20M
11:26/mi
3:05:06
↑ 64↓ 500.2%
21M
11:26/mi
3:16:32
↑ 106↓ 241.6%
35K· 21.75 mi
9:36/mi
3:23:43
↑ 17↓ 861.7%
23M
10:07/mi
3:36:23
↑ 23↓ 630.6%
24M
9:54/mi
3:46:17
↓ 821.3%
40K· 24.85 mi
10:00/mi
3:54:50
↓ 200.3%
25.2M
12:51/mi
3:59:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:33/mi
4:09:00
↑ 22↓ 21

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
Time1:53:45
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:15:15
Pace10:19 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5426:038:2326:03
8:23
-
10K
6.21 mi11:48:0652:158:2526:12
8:26
+0:03
15K
9.32 mi12:14:571:19:068:2926:51
8:39
+0:13
20K
12.43 mi12:43:291:47:388:4028:32
9:11
+0:32
Half
13.11 mi12:49:361:53:458:416:07
8:58
-0:13
25K
15.53 mi13:12:292:16:388:4822:53
9:26
+0:28
30K
18.64 mi13:45:252:49:349:0632:56
10:36
+1:10
20M
20.00 mi14:00:573:05:069:1515:32
11:26
+0:50
21M
21.00 mi14:12:233:16:329:2211:26
11:26
0:00
35K
21.75 mi14:19:343:23:439:227:11
9:36
-1:50
23M
23.00 mi14:32:143:36:239:2412:40
10:07
+0:31
24M
24.00 mi14:42:083:46:179:269:54
9:54
-0:13
40K
24.85 mi14:50:413:54:509:278:33
10:00
+0:06
25.2M
25.20 mi14:55:073:59:169:304:26
12:51
+2:51
Finish
26.22 mi15:04:514:09:009:309:44
9:33
-3:18

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

8:23 /mi

Average Pace

9:30 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:13

34% of race

Time at Steady Pace

1:39:27

40% of race

Time at Slower Pace

1:04:20

26% of race

Average Pace: 9:30 /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 mi11:21:5426:038:2326:03
8:23
#19232
10K
6.21 mi11:48:0652:158:2526:12
8:26
#19299
15K
9.32 mi12:14:571:19:068:2926:51
8:39
#19583
20K
12.43 mi12:43:291:47:388:4028:32
9:11
#20201
Half
13.11 mi12:49:361:53:458:416:07
8:58
#20283
25K
15.53 mi13:12:292:16:388:4822:53
9:26
#20610
30K
18.64 mi13:45:252:49:349:0632:56
10:36
#21319
20M
20.00 mi14:00:573:05:069:1515:32
11:26
#21702
21M
21.00 mi14:12:233:16:329:2211:26
11:26
#21756
35K
21.75 mi14:19:343:23:439:227:11
9:36
#21713
23M
23.00 mi14:32:143:36:239:2412:40
10:07
#21649
24M
24.00 mi14:42:083:46:179:269:54
9:54
#21617
40K
24.85 mi14:50:413:54:509:278:33
10:00
#21557
25.2M
25.20 mi14:55:073:59:169:304:26
12:51
#21631
Finish
26.22 mi15:04:514:09:009:309:44
9:33
#21610
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi192327045704520186(Top 71%)7540(Top 62%)7540(Top 416%)
10K6.21 mi3.10 mi19299-677068-237068-2319417(Top 68%)7126(Top 58%)7126(Top 393%)
15K9.32 mi3.11 mi19583-2847225-1577225-15720186(Top 71%)7540(Top 62%)7540(Top 416%)
20K12.43 mi3.11 mi20201-6187592-3677592-36721832(Top 77%)8499(Top 70%)8499(Top 469%)
Half13.11 mi0.68 mi20283-827643-517643-5121712(Top 76%)8431(Top 69%)8431(Top 465%)
25K15.53 mi2.42 mi20610-3277830-1877830-18721672(Top 76%)8468(Top 69%)8468(Top 467%)
30K18.64 mi3.11 mi21319-7098259-4298259-42923168(Top 82%)9421(Top 77%)9421(Top 520%)
20M20.00 mi1.36 mi21702-3838468-2098468-20924429(Top 86%)10183(Top 83%)10183(Top 562%)
21M21.00 mi1.00 mi21756-548528-608528-6022488(Top 79%)9232(Top 75%)9232(Top 509%)
35K21.75 mi0.75 mi21713+438516+128516+1220713(Top 73%)8359(Top 68%)8359(Top 461%)
23M23.00 mi1.25 mi21649+648518-28518-220882(Top 74%)8497(Top 69%)8497(Top 469%)
24M24.00 mi1.00 mi21617+328519-18519-121081(Top 74%)8646(Top 71%)8646(Top 477%)
40K24.85 mi0.85 mi21557+608504+158504+1520474(Top 72%)8394(Top 69%)8394(Top 463%)
25.2M25.20 mi0.35 mi21631-748563-598563-5924844(Top 87%)10593(Top 87%)10593(Top 584%)
Finish26.22 mi1.02 mi21610+218563856321377(Top 75%)8848(Top 72%)8848(Top 488%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

20186

Females

7540

F45-49

7540

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19417

Females

7126

F45-49

7126

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

20186

Females

7540

F45-49

7540

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21832

Females

8499

F45-49

8499

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21712

Females

8431

F45-49

8431

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21672

Females

8468

F45-49

8468

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23168

Females

9421

F45-49

9421

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24429

Females

10183

F45-49

10183

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22488

Females

9232

F45-49

9232

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20713

Females

8359

F45-49

8359

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

20882

Females

8497

F45-49

8497

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

21081

Females

8646

F45-49

8646

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20474

Females

8394

F45-49

8394

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24844

Females

10593

F45-49

10593

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

21377

Females

8848

F45-49

8848

Passing Analysis

Category:
Athletes Passed
1013
Passed By
3391
Net Change
-2378
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19232
5K → 10K222289-67#19232#19299
10K → 15K97381-284#19299#19583
15K → 20K63681-618#19583#20201
20K → Half1496-82#20201#20283
Half → 25K75402-327#20283#20610
25K → 30K67776-709#20610#21319
30K → 20M23406-383#21319#21702
20M → 21M62116-54#21702#21756
21M → 35K6522+43#21756#21713
35K → 23M10743+64#21713#21649
23M → 24M7139+32#21649#21617
24M → 40K8525+60#21617#21557
40K → 25.2M882-74#21557#21631
25.2M → Finish5433+21#21631#21610
TOTALS10133391-2378
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing