Boston Marathon logo
BOSTON MARATHON 2025

Katy St. George

Bib: 26630•F

NH

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:45
Rank: #24493
Start → 5K
29:45 | 9:35/mi
10K· 6.21 mi
59:16
Rank: #24290 (+203)
5K → 10K
29:31 | 9:30/mi
15K· 9.32 mi
1:30:12
Rank: #24528 (-238)
10K → 15K
30:56 | 9:57/mi
20K· 12.43 mi
2:00:32
Rank: #24298 (+230)
15K → 20K
30:20 | 9:46/mi
Half· 13.11 mi
2:07:14
Rank: #24306 (-8)
20K → Half
6:42 | 9:49/mi
25K· 15.53 mi
2:31:30
Rank: #24106 (+200)
Half → 25K
24:16 | 10:01/mi
30K· 18.64 mi
3:03:30
Rank: #23802 (+304)
25K → 30K
32:00 | 10:18/mi
20M
3:17:38
Rank: #23672 (+130)
30K → 20M
14:08 | 10:24/mi
21M
3:28:38
Rank: #23541 (+131)
20M → 21M
11:00 | 11:00/mi
35K· 21.75 mi
3:36:22
Rank: #23496 (+45)
21M → 35K
7:44 | 10:20/mi
23M
3:49:36
Rank: #23426 (+70)
35K → 23M
13:14 | 10:34/mi
24M
3:59:53
Rank: #23376 (+50)
23M → 24M
10:17 | 10:17/mi
40K· 24.85 mi
4:08:55
Rank: #23288 (+88)
24M → 40K
9:02 | 10:34/mi
25.2M
4:12:55
Rank: #23279 (+9)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
4:23:27
Rank: #23321 (-42)
25.2M → Finish
10:32 | 10:20/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
Time2:07:14
Pace9:42 /mi
2nd Half
Distance13.11 mi
Time2:16:13
Pace10:23 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4829:459:3529:45
9:35
-
10K
6.21 mi12:15:1959:169:3229:31
9:30
-0:05
15K
9.32 mi12:46:151:30:129:4130:56
9:57
+0:27
20K
12.43 mi13:16:352:00:329:4230:20
9:46
-0:11
Half
13.11 mi13:23:172:07:149:426:42
9:49
+0:03
25K
15.53 mi13:47:332:31:309:4524:16
10:01
+0:12
30K
18.64 mi14:19:333:03:309:5132:00
10:18
+0:17
20M
20.00 mi14:33:413:17:389:5314:08
10:24
+0:06
21M
21.00 mi14:44:413:28:389:5611:00
11:00
+0:36
35K
21.75 mi14:52:253:36:229:577:44
10:20
-0:40
23M
23.00 mi15:05:393:49:369:5913:14
10:34
+0:14
24M
24.00 mi15:15:563:59:5310:0010:17
10:17
-0:17
40K
24.85 mi15:24:584:08:5510:019:02
10:34
+0:17
25.2M
25.20 mi15:28:584:12:5510:024:00
11:36
+1:02
Finish
26.22 mi15:39:304:23:2710:0310:32
10:20
-1:16

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

9:30 /mi

Average Pace

10:03 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:30

58% of race

Time at Steady Pace

1:14:41

28% of race

Time at Slower Pace

37:16

14% of race

Average Pace: 10:03 /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 mi11:45:4829:459:3529:45
9:35
#24493
10K
6.21 mi12:15:1959:169:3229:31
9:30
#24290
15K
9.32 mi12:46:151:30:129:4130:56
9:57
#24528
20K
12.43 mi13:16:352:00:329:4230:20
9:46
#24298
Half
13.11 mi13:23:172:07:149:426:42
9:49
#24306
25K
15.53 mi13:47:332:31:309:4524:16
10:01
#24106
30K
18.64 mi14:19:333:03:309:5132:00
10:18
#23802
20M
20.00 mi14:33:413:17:389:5314:08
10:24
#23672
21M
21.00 mi14:44:413:28:389:5611:00
11:00
#23541
35K
21.75 mi14:52:253:36:229:577:44
10:20
#23496
23M
23.00 mi15:05:393:49:369:5913:14
10:34
#23426
24M
24.00 mi15:15:563:59:5310:0010:17
10:17
#23376
40K
24.85 mi15:24:584:08:5510:019:02
10:34
#23288
25.2M
25.20 mi15:28:584:12:5510:024:00
11:36
#23279
Finish
26.22 mi15:39:304:23:2710:0310:32
10:20
#23321
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi244939957995724916(Top 88%)10169(Top 83%)10169(Top 186%)
10K6.21 mi3.10 mi24290+2039839+1189839+11824109(Top 85%)9747(Top 80%)9747(Top 178%)
15K9.32 mi3.11 mi24528-2389971-1329971-13224916(Top 88%)10169(Top 83%)10169(Top 186%)
20K12.43 mi3.11 mi24298+2309864+1079864+10723668(Top 83%)9524(Top 78%)9524(Top 174%)
Half13.11 mi0.68 mi24306-89872-89872-824434(Top 86%)9955(Top 81%)9955(Top 182%)
25K15.53 mi2.42 mi24106+2009763+1099763+10923282(Top 82%)9354(Top 76%)9354(Top 171%)
30K18.64 mi3.11 mi23802+3049627+1369627+13622458(Top 79%)9029(Top 74%)9029(Top 165%)
20M20.00 mi1.36 mi23672+1309585+429585+4222167(Top 78%)8993(Top 74%)8993(Top 164%)
21M21.00 mi1.00 mi23541+1319522+639522+6321423(Top 75%)8673(Top 71%)8673(Top 159%)
35K21.75 mi0.75 mi23496+459510+129510+1222808(Top 80%)9444(Top 77%)9444(Top 173%)
23M23.00 mi1.25 mi23426+709491+199491+1922195(Top 78%)9170(Top 75%)9170(Top 168%)
24M24.00 mi1.00 mi23376+509479+129479+1222215(Top 78%)9248(Top 76%)9248(Top 169%)
40K24.85 mi0.85 mi23288+889453+269453+2622113(Top 78%)9263(Top 76%)9263(Top 169%)
25.2M25.20 mi0.35 mi23279+99455-29455-222351(Top 79%)9334(Top 76%)9334(Top 171%)
Finish26.22 mi1.02 mi23321-429485-309485-3023887(Top 84%)10115(Top 83%)10115(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

24916

Females

10169

F18-39

10169

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

24109

Females

9747

F18-39

9747

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

24916

Females

10169

F18-39

10169

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

23668

Females

9524

F18-39

9524

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24434

Females

9955

F18-39

9955

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

23282

Females

9354

F18-39

9354

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22458

Females

9029

F18-39

9029

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22167

Females

8993

F18-39

8993

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21423

Females

8673

F18-39

8673

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22808

Females

9444

F18-39

9444

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22195

Females

9170

F18-39

9170

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22215

Females

9248

F18-39

9248

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22113

Females

9263

F18-39

9263

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22351

Females

9334

F18-39

9334

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23887

Females

10115

F18-39

10115

Passing Analysis

Category:
Athletes Passed
1925
Passed By
753
Net Change
+1172
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24493
5K → 10K328125+203#24493#24290
10K → 15K68306-238#24290#24528
15K → 20K26535+230#24528#24298
20K → Half1523-8#24298#24306
Half → 25K22424+200#24306#24106
25K → 30K33935+304#24106#23802
30K → 20M15121+130#23802#23672
20M → 21M14716+131#23672#23541
21M → 35K6419+45#23541#23496
35K → 23M10434+70#23496#23426
23M → 24M7525+50#23426#23376
24M → 40K9810+88#23376#23288
40K → 25.2M178+9#23288#23279
25.2M → Finish3072-42#23279#23321
TOTALS1925753+1172
📊

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