Boston Marathon logo
BOSTON MARATHON 2025

April Kilpatrick

Bib: 14459•F

TX

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 29%
Gender (Female)
#0 / 12228
Top 11%
Division (F18-39)
#0 / 5469
Top 21%
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
7:14/mi
22:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:12/mi
44:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:06:58
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:29:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:34:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:51:56
↑ 66↓ 880.2%
30K· 18.64 mi
7:39/mi
2:15:43
↑ 181↓ 1480.2%
20M
7:55/mi
2:26:28
↑ 64↓ 500.2%
21M
8:14/mi
2:34:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:40:05
↑ 17↓ 861.7%
23M
7:37/mi
2:49:37
↑ 23↓ 630.6%
24M
7:28/mi
2:57:05
↓ 821.3%
40K· 24.85 mi
7:24/mi
3:03:25
↓ 200.3%
25.2M
8:13/mi
3:06:15
↑ 13↓ 160.2%
Finish· 26.22 mi
7:19/mi
3:13:42
↑ 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
Time1:34:09
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:39:33
Pace7:36 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3522:297:1422:29
7:14
-
10K
6.21 mi11:14:5844:527:1322:23
7:12
-0:02
15K
9.32 mi11:37:041:06:587:1122:06
7:07
-0:05
20K
12.43 mi11:59:231:29:177:1122:19
7:11
+0:04
Half
13.11 mi12:04:151:34:097:114:52
7:08
-0:03
25K
15.53 mi12:22:021:51:567:1217:47
7:20
+0:12
30K
18.64 mi12:45:492:15:437:1723:47
7:39
+0:19
20M
20.00 mi12:56:342:26:287:1910:45
7:55
+0:16
21M
21.00 mi13:04:482:34:427:228:14
8:14
+0:19
35K
21.75 mi13:10:112:40:057:225:23
7:12
-1:02
23M
23.00 mi13:19:432:49:377:229:32
7:37
+0:25
24M
24.00 mi13:27:112:57:057:237:28
7:28
-0:09
40K
24.85 mi13:33:313:03:257:236:20
7:24
-0:04
25.2M
25.20 mi13:36:213:06:157:232:50
8:13
+0:49
Finish
26.22 mi13:43:483:13:427:247:27
7:19
-0:54

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

7:07 /mi

Average Pace

7:24 /mi

Slowest Pace

8:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:53

89% of race

Time at Steady Pace

21:49

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:23 /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 mi10:52:3522:297:1422:29
7:14
#9805
10K
6.21 mi11:14:5844:527:1322:23
7:12
#9638
15K
9.32 mi11:37:041:06:587:1122:06
7:07
#9207
20K
12.43 mi11:59:231:29:177:1122:19
7:11
#8842
Half
13.11 mi12:04:151:34:097:114:52
7:08
#8817
25K
15.53 mi12:22:021:51:567:1217:47
7:20
#8726
30K
18.64 mi12:45:492:15:437:1723:47
7:39
#8678
20M
20.00 mi12:56:342:26:287:1910:45
7:55
#8731
21M
21.00 mi13:04:482:34:427:228:14
8:14
#8699
35K
21.75 mi13:10:112:40:057:225:23
7:12
#8571
23M
23.00 mi13:19:432:49:377:229:32
7:37
#8419
24M
24.00 mi13:27:112:57:057:237:28
7:28
#8320
40K
24.85 mi13:33:313:03:257:236:20
7:24
#8208
25.2M
25.20 mi13:36:213:06:157:232:50
8:13
#8176
Finish
26.22 mi13:43:483:13:427:247:27
7:19
#8125
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9805171817188438(Top 30%)1214(Top 10%)1214(Top 22%)
10K6.21 mi3.10 mi9638+1671633+851633+859539(Top 34%)1615(Top 13%)1615(Top 30%)
15K9.32 mi3.11 mi9207+4311483+1501483+1508438(Top 30%)1214(Top 10%)1214(Top 22%)
20K12.43 mi3.11 mi8842+3651352+1311352+1318071(Top 28%)1137(Top 9%)1137(Top 21%)
Half13.11 mi0.68 mi8817+251347+51347+58611(Top 30%)1332(Top 11%)1332(Top 24%)
25K15.53 mi2.42 mi8726+911328+191328+198648(Top 30%)1486(Top 12%)1486(Top 27%)
30K18.64 mi3.11 mi8678+481365-371365-378865(Top 31%)1771(Top 14%)1771(Top 32%)
20M20.00 mi1.36 mi8731-531433-681433-689823(Top 35%)2348(Top 19%)2348(Top 43%)
21M21.00 mi1.00 mi8699+321450-171450-178797(Top 31%)2063(Top 17%)2063(Top 38%)
35K21.75 mi0.75 mi8571+1281419+311419+316623(Top 23%)1147(Top 9%)1147(Top 21%)
23M23.00 mi1.25 mi8419+1521401+181401+187353(Top 26%)1552(Top 13%)1552(Top 28%)
24M24.00 mi1.00 mi8320+991394+71394+77481(Top 26%)1649(Top 13%)1649(Top 30%)
40K24.85 mi0.85 mi8208+1121383+111383+116292(Top 22%)1252(Top 10%)1252(Top 23%)
25.2M25.20 mi0.35 mi8176+32138313837207(Top 25%)1723(Top 14%)1723(Top 32%)
Finish26.22 mi1.02 mi8125+511403-201403-207870(Top 28%)2011(Top 16%)2011(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8438

Females

1214

F18-39

1214

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9539

Females

1615

F18-39

1615

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8438

Females

1214

F18-39

1214

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

8071

Females

1137

F18-39

1137

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8611

Females

1332

F18-39

1332

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8648

Females

1486

F18-39

1486

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8865

Females

1771

F18-39

1771

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9823

Females

2348

F18-39

2348

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8797

Females

2063

F18-39

2063

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6623

Females

1147

F18-39

1147

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7353

Females

1552

F18-39

1552

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7481

Females

1649

F18-39

1649

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6292

Females

1252

F18-39

1252

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7207

Females

1723

F18-39

1723

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7870

Females

2011

F18-39

2011

Passing Analysis

Category:
Athletes Passed
2510
Passed By
829
Net Change
+1680
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9805
5K → 10K312144+167#9805#9638
10K → 15K45221+431#9638#9207
15K → 20K38419+365#9207#8842
20K → Half4318+25#8842#8817
Half → 25K19099+91#8817#8726
25K → 30K225177+48#8726#8678
30K → 20M87140-53#8678#8731
20M → 21M10169+32#8731#8699
21M → 35K13810+128#8699#8571
35K → 23M18533+152#8571#8419
23M → 24M12829+99#8419#8320
24M → 40K12715+112#8320#8208
40K → 25.2M4210+32#8208#8176
25.2M → Finish9645+51#8176#8125
TOTALS2510829+1680
📊

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