Boston Marathon logo
BOSTON MARATHON 2025

Viviana Yock

Bib: 13804•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Masters (Masters Women)
#0 / 6759
Top 3%
Division (F40-44)
#0 / 1718
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:45
Rank: #10583
Start → 5K
22:45 | 7:19/mi
10K· 6.21 mi
45:31
Rank: #10552 (+31)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:07:58
Rank: #10144 (+408)
10K → 15K
22:27 | 7:14/mi
20K· 12.43 mi
1:30:38
Rank: #9815 (+329)
15K → 20K
22:40 | 7:18/mi
Half· 13.11 mi
1:35:30
Rank: #9741 (+74)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:53:01
Rank: #9361 (+380)
Half → 25K
17:31 | 7:13/mi
30K· 18.64 mi
2:15:52
Rank: #8736 (+625)
25K → 30K
22:51 | 7:21/mi
20M
2:25:59
Rank: #8514 (+222)
30K → 20M
10:07 | 7:27/mi
21M
2:33:53
Rank: #8363 (+151)
20M → 21M
7:54 | 7:54/mi
35K· 21.75 mi
2:39:07
Rank: #8193 (+170)
21M → 35K
5:14 | 7:00/mi
23M
2:48:07
Rank: #7876 (+317)
35K → 23M
9:00 | 7:11/mi
24M
2:55:11
Rank: #7704 (+172)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
3:01:23
Rank: #7568 (+136)
24M → 40K
6:12 | 7:15/mi
25.2M
3:04:11
Rank: #7536 (+32)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:11:14
Rank: #7392 (+144)
25.2M → Finish
7:03 | 6:55/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 Half⚖️ Balanced
Distance13.11 mi
Time1:35:30
Pace7:17 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:44
Pace7:18 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0622:457:1922:45
7:19
-
10K
6.21 mi11:14:5245:317:2022:46
7:20
+0:01
15K
9.32 mi11:37:191:07:587:1822:27
7:14
-0:06
20K
12.43 mi11:59:591:30:387:1822:40
7:18
+0:04
Half
13.11 mi12:04:511:35:307:174:52
7:08
-0:10
25K
15.53 mi12:22:221:53:017:1717:31
7:13
+0:05
30K
18.64 mi12:45:132:15:527:1722:51
7:21
+0:08
20M
20.00 mi12:55:202:25:597:1810:07
7:27
+0:06
21M
21.00 mi13:03:142:33:537:207:54
7:54
+0:27
35K
21.75 mi13:08:282:39:077:195:14
7:00
-0:54
23M
23.00 mi13:17:282:48:077:199:00
7:11
+0:11
24M
24.00 mi13:24:322:55:117:187:04
7:04
-0:07
40K
24.85 mi13:30:443:01:237:186:12
7:15
+0:11
25.2M
25.20 mi13:33:323:04:117:192:48
8:07
+0:52
Finish
26.22 mi13:40:353:11:147:187:03
6:55
-1:12

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

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:32

94% of race

Time at Steady Pace

10:42

6% 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 mi10:52:0622:457:1922:45
7:19
#10583
10K
6.21 mi11:14:5245:317:2022:46
7:20
#10552
15K
9.32 mi11:37:191:07:587:1822:27
7:14
#10144
20K
12.43 mi11:59:591:30:387:1822:40
7:18
#9815
Half
13.11 mi12:04:511:35:307:174:52
7:08
#9741
25K
15.53 mi12:22:221:53:017:1717:31
7:13
#9361
30K
18.64 mi12:45:132:15:527:1722:51
7:21
#8736
20M
20.00 mi12:55:202:25:597:1810:07
7:27
#8514
21M
21.00 mi13:03:142:33:537:207:54
7:54
#8363
35K
21.75 mi13:08:282:39:077:195:14
7:00
#8193
23M
23.00 mi13:17:282:48:077:199:00
7:11
#7876
24M
24.00 mi13:24:322:55:117:187:04
7:04
#7704
40K
24.85 mi13:30:443:01:237:186:12
7:15
#7568
25.2M
25.20 mi13:33:323:04:117:192:48
8:07
#7536
Finish
26.22 mi13:40:353:11:147:187:03
6:55
#7392
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi10583207320739343(Top 33%)1578(Top 13%)1578(Top 92%)
10K6.21 mi3.10 mi10552+312075-22075-210568(Top 37%)2089(Top 17%)2089(Top 122%)
15K9.32 mi3.11 mi10144+4081901+1741901+1749343(Top 33%)1578(Top 13%)1578(Top 92%)
20K12.43 mi3.11 mi9815+3291780+1211780+1219028(Top 32%)1535(Top 13%)1535(Top 89%)
Half13.11 mi0.68 mi9741+741749+311749+318594(Top 30%)1315(Top 11%)1315(Top 77%)
25K15.53 mi2.42 mi9361+3801609+1401609+1407793(Top 27%)1139(Top 9%)1139(Top 66%)
30K18.64 mi3.11 mi8736+6251389+2201389+2206791(Top 24%)933(Top 8%)933(Top 54%)
20M20.00 mi1.36 mi8514+2221338+511338+516681(Top 24%)1033(Top 8%)1033(Top 60%)
21M21.00 mi1.00 mi8363+1511314+241314+246810(Top 24%)1225(Top 10%)1225(Top 71%)
35K21.75 mi0.75 mi8193+1701262+521262+525384(Top 19%)738(Top 6%)738(Top 43%)
23M23.00 mi1.25 mi7876+3171197+651197+654831(Top 17%)629(Top 5%)629(Top 37%)
24M24.00 mi1.00 mi7704+1721164+331164+335074(Top 18%)758(Top 6%)758(Top 44%)
40K24.85 mi0.85 mi7568+1361150+141150+145416(Top 19%)910(Top 7%)910(Top 53%)
25.2M25.20 mi0.35 mi7536+321154-41154-46656(Top 23%)1484(Top 12%)1484(Top 86%)
Finish26.22 mi1.02 mi7392+1441129+251129+255247(Top 18%)951(Top 8%)951(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9343

Females

1578

F40-44

1578

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10568

Females

2089

F40-44

2089

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9343

Females

1578

F40-44

1578

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9028

Females

1535

F40-44

1535

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8594

Females

1315

F40-44

1315

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7793

Females

1139

F40-44

1139

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6791

Females

933

F40-44

933

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6681

Females

1033

F40-44

1033

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6810

Females

1225

F40-44

1225

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5384

Females

738

F40-44

738

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4831

Females

629

F40-44

629

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5074

Females

758

F40-44

758

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5416

Females

910

F40-44

910

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6656

Females

1484

F40-44

1484

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5247

Females

951

F40-44

951

Passing Analysis

Category:
Athletes Passed
3615*
Passed By
424
Net Change
+3191
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10583
5K → 10K273242+31#10583#10552
10K → 15K43224+408#10552#10144
15K → 20K370*41+329#10144#9815
20K → Half8511+74#9815#9741
Half → 25K39111+380#9741#9361
25K → 30K64116+625#9361#8736
30K → 20M2242+222#8736#8514
20M → 21M17827+151#8514#8363
21M → 35K1722+170#8363#8193
35K → 23M3181+317#8193#7876
23M → 24M18210+172#7876#7704
24M → 40K14610+136#7704#7568
40K → 25.2M4816+32#7568#7536
25.2M → Finish15511+144#7536#7392
TOTALS3615*424+3191

* 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