Boston Marathon logo
BOSTON MARATHON 2025

Karina Soto

Bib: 20436•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Masters (Masters Women)
#0 / 6759
Top 11%
Division (F50-54)
#0 / 1303
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:58
Rank: #11266
Start → 5K
22:58 | 7:24/mi
10K· 6.21 mi
46:02
Rank: #11316 (-50)
5K → 10K
23:04 | 7:25/mi
15K· 9.32 mi
1:09:38
Rank: #11723 (-407)
10K → 15K
23:36 | 7:36/mi
20K· 12.43 mi
1:33:33
Rank: #11879 (-156)
15K → 20K
23:55 | 7:42/mi
Half· 13.11 mi
1:38:45
Rank: #11921 (-42)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:57:37
Rank: #11937 (-16)
Half → 25K
18:52 | 7:47/mi
30K· 18.64 mi
2:22:22
Rank: #11715 (+222)
25K → 30K
24:45 | 7:58/mi
20M
2:33:18
Rank: #11595 (+120)
30K → 20M
10:56 | 8:03/mi
21M
2:41:56
Rank: #11580 (+15)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:48:25
Rank: #11777 (-197)
21M → 35K
6:29 | 8:40/mi
23M
2:58:40
Rank: #11713 (+64)
35K → 23M
10:15 | 8:11/mi
24M
3:06:33
Rank: #11614 (+99)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:13:30
Rank: #11557 (+57)
24M → 40K
6:57 | 8:08/mi
25.2M
3:16:34
Rank: #11544 (+13)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:24:37
Rank: #11553 (-9)
25.2M → Finish
8:03 | 7:54/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
Time1:38:45
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:45:52
Pace8:05 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5322:587:2422:58
7:24
-
10K
6.21 mi11:37:5746:027:2523:04
7:25
+0:01
15K
9.32 mi12:01:331:09:387:2823:36
7:36
+0:11
20K
12.43 mi12:25:281:33:337:3223:55
7:42
+0:06
Half
13.11 mi12:30:401:38:457:325:12
7:37
-0:05
25K
15.53 mi12:49:321:57:377:3418:52
7:47
+0:10
30K
18.64 mi13:14:172:22:227:3824:45
7:58
+0:11
20M
20.00 mi13:25:132:33:187:4010:56
8:03
+0:05
21M
21.00 mi13:33:512:41:567:438:38
8:38
+0:35
35K
21.75 mi13:40:202:48:257:456:29
8:40
+0:02
23M
23.00 mi13:50:352:58:407:4610:15
8:11
-0:29
24M
24.00 mi13:58:283:06:337:467:53
7:53
-0:18
40K
24.85 mi14:05:253:13:307:476:57
8:08
+0:15
25.2M
25.20 mi14:08:293:16:347:483:04
8:54
+0:46
Finish
26.22 mi14:16:323:24:377:498:03
7:54
-1:00

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

7:24 /mi

Average Pace

7:49 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:50

37% of race

Time at Steady Pace

1:34:24

46% of race

Time at Slower Pace

35:23

17% of race

Average Pace: 7:48 /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 mi11:14:5322:587:2422:58
7:24
#11266
10K
6.21 mi11:37:5746:027:2523:04
7:25
#11316
15K
9.32 mi12:01:331:09:387:2823:36
7:36
#11723
20K
12.43 mi12:25:281:33:337:3223:55
7:42
#11879
Half
13.11 mi12:30:401:38:457:325:12
7:37
#11921
25K
15.53 mi12:49:321:57:377:3418:52
7:47
#11937
30K
18.64 mi13:14:172:22:227:3824:45
7:58
#11715
20M
20.00 mi13:25:132:33:187:4010:56
8:03
#11595
21M
21.00 mi13:33:512:41:567:438:38
8:38
#11580
35K
21.75 mi13:40:202:48:257:456:29
8:40
#11777
23M
23.00 mi13:50:352:58:407:4610:15
8:11
#11713
24M
24.00 mi13:58:283:06:337:467:53
7:53
#11614
40K
24.85 mi14:05:253:13:307:476:57
8:08
#11557
25.2M
25.20 mi14:08:293:16:347:483:04
8:54
#11544
Finish
26.22 mi14:16:323:24:377:498:03
7:54
#11553
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi112662411241112577(Top 44%)3204(Top 26%)3204(Top 246%)
10K6.21 mi3.10 mi11316-502454-432454-4311424(Top 40%)2525(Top 21%)2525(Top 194%)
15K9.32 mi3.11 mi11723-4072682-2282682-22812577(Top 44%)3204(Top 26%)3204(Top 246%)
20K12.43 mi3.11 mi11879-1562807-1252807-12512399(Top 44%)3220(Top 26%)3220(Top 247%)
Half13.11 mi0.68 mi11921-422838-312838-3112794(Top 45%)3373(Top 28%)3373(Top 259%)
25K15.53 mi2.42 mi11937-162890-522890-5212198(Top 43%)3219(Top 26%)3219(Top 247%)
30K18.64 mi3.11 mi11715+2222852+382852+3811155(Top 39%)2865(Top 23%)2865(Top 220%)
20M20.00 mi1.36 mi11595+1202820+322820+3210772(Top 38%)2819(Top 23%)2819(Top 216%)
21M21.00 mi1.00 mi11580+152859-392859-3911302(Top 40%)3244(Top 27%)3244(Top 249%)
35K21.75 mi0.75 mi11777-1972971-1122971-11216478(Top 58%)6037(Top 49%)6037(Top 463%)
23M23.00 mi1.25 mi11713+642990-192990-1911295(Top 40%)3374(Top 28%)3374(Top 259%)
24M24.00 mi1.00 mi11614+992979+112979+1110467(Top 37%)3033(Top 25%)3033(Top 233%)
40K24.85 mi0.85 mi11557+572977+22977+211112(Top 39%)3457(Top 28%)3457(Top 265%)
25.2M25.20 mi0.35 mi11544+132985-82985-811238(Top 40%)3612(Top 30%)3612(Top 277%)
Finish26.22 mi1.02 mi11553-93033-483033-4812183(Top 43%)4020(Top 33%)4020(Top 309%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12577

Females

3204

F50-54

3204

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11424

Females

2525

F50-54

2525

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12577

Females

3204

F50-54

3204

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12399

Females

3220

F50-54

3220

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12794

Females

3373

F50-54

3373

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12198

Females

3219

F50-54

3219

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11155

Females

2865

F50-54

2865

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10772

Females

2819

F50-54

2819

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11302

Females

3244

F50-54

3244

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

16478

Females

6037

F50-54

6037

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11295

Females

3374

F50-54

3374

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10467

Females

3033

F50-54

3033

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11112

Females

3457

F50-54

3457

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11238

Females

3612

F50-54

3612

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12183

Females

4020

F50-54

4020

Passing Analysis

Category:
Athletes Passed
1749
Passed By
2036
Net Change
-287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11266
5K → 10K221271-50#11266#11316
10K → 15K83490-407#11316#11723
15K → 20K141297-156#11723#11879
20K → Half2466-42#11879#11921
Half → 25K155171-16#11921#11937
25K → 30K331109+222#11937#11715
30K → 20M16545+120#11715#11595
20M → 21M116101+15#11595#11580
21M → 35K17214-197#11580#11777
35K → 23M13773+64#11777#11713
23M → 24M13435+99#11713#11614
24M → 40K10548+57#11614#11557
40K → 25.2M4027+13#11557#11544
25.2M → Finish8089-9#11544#11553
TOTALS17492036-287
📊

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