Boston Marathon logo
BOSTON MARATHON 2025

Kathryn Griffin

Bib: 24597•F

MI

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Top 23%
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
8:28/mi
26:18
↑ 97↓ 3451.5%
10K· 6.21 mi
9:02/mi
54:22
↑ 79↓ 1380.4%
15K· 9.32 mi
8:44/mi
1:21:31
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:49:51
↑ 106↓ 860.1%
Half· 13.11 mi
8:51/mi
1:55:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:56/mi
2:17:33
↑ 66↓ 880.2%
30K· 18.64 mi
9:21/mi
2:46:36
↑ 181↓ 1480.2%
20M
9:28/mi
2:59:28
↑ 64↓ 500.2%
21M
10:03/mi
3:09:31
↑ 106↓ 241.6%
35K· 21.75 mi
9:15/mi
3:16:26
↑ 17↓ 861.7%
23M
9:34/mi
3:28:25
↑ 23↓ 630.6%
24M
9:19/mi
3:37:44
↓ 821.3%
40K· 24.85 mi
9:34/mi
3:45:55
↓ 200.3%
25.2M
10:12/mi
3:49:26
↑ 13↓ 160.2%
Finish· 26.22 mi
9:02/mi
3:58:38
↑ 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
Time1:55:53
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:02:45
Pace9:22 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0126:188:2826:18
8:28
-
10K
6.21 mi11:54:0554:228:4528:04
9:02
+0:34
15K
9.32 mi12:21:141:21:318:4527:09
8:44
-0:18
20K
12.43 mi12:49:341:49:518:5028:20
9:07
+0:23
Half
13.11 mi12:55:361:55:538:506:02
8:51
-0:16
25K
15.53 mi13:17:162:17:338:5121:40
8:56
+0:05
30K
18.64 mi13:46:192:46:368:5629:03
9:21
+0:25
20M
20.00 mi13:59:112:59:288:5812:52
9:28
+0:07
21M
21.00 mi14:09:143:09:319:0110:03
10:03
+0:35
35K
21.75 mi14:16:093:16:269:026:55
9:15
-0:48
23M
23.00 mi14:28:083:28:259:0411:59
9:34
+0:19
24M
24.00 mi14:37:273:37:449:049:19
9:19
-0:15
40K
24.85 mi14:45:383:45:559:058:11
9:34
+0:15
25.2M
25.20 mi14:49:093:49:269:063:31
10:12
+0:38
Finish
26.22 mi14:58:213:58:389:069:12
9:02
-1:10

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

8:28 /mi

Average Pace

9:06 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:09

34% of race

Time at Steady Pace

2:03:45

52% of race

Time at Slower Pace

33:44

14% of race

Average Pace: 9:06 /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 mi11:26:0126:188:2826:18
8:28
#19697
10K
6.21 mi11:54:0554:228:4528:04
9:02
#21169
15K
9.32 mi12:21:141:21:318:4527:09
8:44
#20981
20K
12.43 mi12:49:341:49:518:5028:20
9:07
#21124
Half
13.11 mi12:55:361:55:538:506:02
8:51
#21134
25K
15.53 mi13:17:162:17:338:5121:40
8:56
#20890
30K
18.64 mi13:46:192:46:368:5629:03
9:21
#20559
20M
20.00 mi13:59:112:59:288:5812:52
9:28
#20433
21M
21.00 mi14:09:143:09:319:0110:03
10:03
#20319
35K
21.75 mi14:16:093:16:269:026:55
9:15
#20267
23M
23.00 mi14:28:083:28:259:0411:59
9:34
#20192
24M
24.00 mi14:37:273:37:449:049:19
9:19
#20159
40K
24.85 mi14:45:383:45:559:058:11
9:34
#20126
25.2M
25.20 mi14:49:093:49:269:063:31
10:12
#20092
Finish
26.22 mi14:58:213:58:389:069:12
9:02
#20086
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi196977327732720700(Top 73%)7830(Top 64%)7830(Top 1255%)
10K6.21 mi3.10 mi21169-14728143-8168143-81622521(Top 79%)8875(Top 73%)8875(Top 1422%)
15K9.32 mi3.11 mi20981+1888031+1128031+11220700(Top 73%)7830(Top 64%)7830(Top 1255%)
20K12.43 mi3.11 mi21124-1438097-668097-6621551(Top 76%)8339(Top 68%)8339(Top 1336%)
Half13.11 mi0.68 mi21134-108097809721144(Top 74%)8115(Top 66%)8115(Top 1300%)
25K15.53 mi2.42 mi20890+2447979+1187979+11819637(Top 69%)7337(Top 60%)7337(Top 1176%)
30K18.64 mi3.11 mi20559+3317844+1357844+13519355(Top 68%)7318(Top 60%)7318(Top 1173%)
20M20.00 mi1.36 mi20433+1267799+457799+4519054(Top 67%)7290(Top 60%)7290(Top 1168%)
21M21.00 mi1.00 mi20319+1147758+417758+4118526(Top 65%)7078(Top 58%)7078(Top 1134%)
35K21.75 mi0.75 mi20267+527745+137745+1319380(Top 68%)7655(Top 63%)7655(Top 1227%)
23M23.00 mi1.25 mi20192+757719+267719+2618991(Top 67%)7514(Top 61%)7514(Top 1204%)
24M24.00 mi1.00 mi20159+337727-87727-818902(Top 67%)7502(Top 61%)7502(Top 1202%)
40K24.85 mi0.85 mi20126+337731-47731-419016(Top 67%)7641(Top 62%)7641(Top 1225%)
25.2M25.20 mi0.35 mi20092+347718+137718+1317947(Top 63%)7125(Top 58%)7125(Top 1142%)
Finish26.22 mi1.02 mi20086+67726-87726-819211(Top 68%)7727(Top 63%)7727(Top 1238%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

20700

Females

7830

F60-64

7830

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22521

Females

8875

F60-64

8875

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

20700

Females

7830

F60-64

7830

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21551

Females

8339

F60-64

8339

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

21144

Females

8115

F60-64

8115

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

19637

Females

7337

F60-64

7337

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19355

Females

7318

F60-64

7318

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

19054

Females

7290

F60-64

7290

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

18526

Females

7078

F60-64

7078

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19380

Females

7655

F60-64

7655

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

18991

Females

7514

F60-64

7514

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

18902

Females

7502

F60-64

7502

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19016

Females

7641

F60-64

7641

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17947

Females

7125

F60-64

7125

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19211

Females

7727

F60-64

7727

Passing Analysis

Category:
Athletes Passed
1928
Passed By
2317
Net Change
-389
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19697
5K → 10K221494-1472#19697#21169
10K → 15K294106+188#21169#20981
15K → 20K148291-143#20981#21124
20K → Half3040-10#21124#21134
Half → 25K27127+244#21134#20890
25K → 30K39261+331#20890#20559
30K → 20M16842+126#20559#20433
20M → 21M14632+114#20433#20319
21M → 35K7523+52#20319#20267
35K → 23M12247+75#20267#20192
23M → 24M7340+33#20192#20159
24M → 40K7542+33#20159#20126
40K → 25.2M439+34#20126#20092
25.2M → Finish6963+6#20092#20086
TOTALS19282317-389
📊

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