Boston Marathon logo
BOSTON MARATHON 2025

Kristin Perdue

Bib: 26566•F

MA

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

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
11:43/mi
36:23
↑ 97↓ 3451.5%
10K· 6.21 mi
11:25/mi
1:11:51
↑ 79↓ 1380.4%
15K· 9.32 mi
11:20/mi
1:47:03
↑ 67↓ 78
20K· 12.43 mi
11:37/mi
2:23:08
↑ 106↓ 860.1%
Half· 13.11 mi
11:04/mi
2:30:41
↑ 19↓ 370.5%
25K· 15.53 mi
11:35/mi
2:58:45
↑ 66↓ 880.2%
30K· 18.64 mi
11:34/mi
3:34:40
↑ 181↓ 1480.2%
20M
11:29/mi
3:50:16
↑ 64↓ 500.2%
21M
11:34/mi
4:01:50
↑ 106↓ 241.6%
35K· 21.75 mi
10:44/mi
4:09:52
↑ 17↓ 861.7%
23M
10:48/mi
4:23:23
↑ 23↓ 630.6%
24M
10:30/mi
4:33:53
↓ 821.3%
40K· 24.85 mi
10:23/mi
4:42:46
↓ 200.3%
25.2M
11:16/mi
4:46:39
↑ 13↓ 160.2%
Finish· 26.22 mi
10:13/mi
4:57:04
↑ 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 Half
Distance13.11 mi
Time2:30:41
Pace11:30 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:26:23
Pace11:10 /mi
📊Negative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2036:2311:4336:23
11:43
-
10K
6.21 mi12:27:481:11:5111:3435:28
11:25
-0:18
15K
9.32 mi13:03:001:47:0311:2935:12
11:20
-0:05
20K
12.43 mi13:39:052:23:0811:3136:05
11:37
+0:17
Half
13.11 mi13:46:382:30:4111:307:33
11:04
-0:33
25K
15.53 mi14:14:422:58:4511:3028:04
11:35
+0:31
30K
18.64 mi14:50:373:34:4011:3135:55
11:34
-0:01
20M
20.00 mi15:06:133:50:1611:3115:36
11:29
-0:05
21M
21.00 mi15:17:474:01:5011:3111:34
11:34
+0:05
35K
21.75 mi15:25:494:09:5211:298:02
10:44
-0:50
23M
23.00 mi15:39:204:23:2311:2713:31
10:48
+0:04
24M
24.00 mi15:49:504:33:5311:2510:30
10:30
-0:18
40K
24.85 mi15:58:434:42:4611:238:53
10:23
-0:07
25.2M
25.20 mi16:02:364:46:3911:233:53
11:16
+0:53
Finish
26.22 mi16:13:014:57:0411:2010:25
10:13
-1:03

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

10:13 /mi

Average Pace

11:20 /mi

Slowest Pace

11:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:54

20% of race

Time at Steady Pace

3:58:10

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:20 /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 mi11:52:2036:2311:4336:23
11:43
#28133
10K
6.21 mi12:27:481:11:5111:3435:28
11:25
#27864
15K
9.32 mi13:03:001:47:0311:2935:12
11:20
#27606
20K
12.43 mi13:39:052:23:0811:3136:05
11:37
#27399
Half
13.11 mi13:46:382:30:4111:307:33
11:04
#27359
25K
15.53 mi14:14:422:58:4511:3028:04
11:35
#27120
30K
18.64 mi14:50:373:34:4011:3135:55
11:34
#26798
20M
20.00 mi15:06:133:50:1611:3115:36
11:29
#26655
21M
21.00 mi15:17:474:01:5011:3111:34
11:34
#26503
35K
21.75 mi15:25:494:09:5211:298:02
10:44
#26417
23M
23.00 mi15:39:204:23:2311:2713:31
10:48
#26264
24M
24.00 mi15:49:504:33:5311:2510:30
10:30
#26157
40K
24.85 mi15:58:434:42:4611:238:53
10:23
#26065
25.2M
25.20 mi16:02:364:46:3911:233:53
11:16
#26023
Finish
26.22 mi16:13:014:57:0411:2010:25
10:13
#25976
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28133120511205127059(Top 95%)11412(Top 93%)11412(Top 209%)
10K6.21 mi3.10 mi27864+26911867+18411867+18427510(Top 97%)11671(Top 95%)11671(Top 213%)
15K9.32 mi3.11 mi27606+25811721+14611721+14627059(Top 95%)11412(Top 93%)11412(Top 209%)
20K12.43 mi3.11 mi27399+20711596+12511596+12526757(Top 94%)11248(Top 92%)11248(Top 206%)
Half13.11 mi0.68 mi27359+4011580+1611580+1626570(Top 94%)11161(Top 91%)11161(Top 204%)
25K15.53 mi2.42 mi27120+23911452+12811452+12825952(Top 91%)10837(Top 89%)10837(Top 198%)
30K18.64 mi3.11 mi26798+32211284+16811284+16824933(Top 88%)10371(Top 85%)10371(Top 190%)
20M20.00 mi1.36 mi26655+14311209+7511209+7524493(Top 86%)10221(Top 84%)10221(Top 187%)
21M21.00 mi1.00 mi26503+15211127+8211127+8222732(Top 80%)9365(Top 77%)9365(Top 171%)
35K21.75 mi0.75 mi26417+8611090+3711090+3723643(Top 83%)9879(Top 81%)9879(Top 181%)
23M23.00 mi1.25 mi26264+15311018+7211018+7222728(Top 80%)9464(Top 77%)9464(Top 173%)
24M24.00 mi1.00 mi26157+10710962+5610962+5622798(Top 80%)9544(Top 78%)9544(Top 175%)
40K24.85 mi0.85 mi26065+9210913+4910913+4921600(Top 76%)8992(Top 74%)8992(Top 164%)
25.2M25.20 mi0.35 mi26023+4210891+2210891+2221340(Top 75%)8849(Top 72%)8849(Top 162%)
Finish26.22 mi1.02 mi25976+4710881+1010881+1023564(Top 83%)9963(Top 81%)9963(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

27059

Females

11412

F18-39

11412

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

27510

Females

11671

F18-39

11671

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

27059

Females

11412

F18-39

11412

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

26757

Females

11248

F18-39

11248

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

26570

Females

11161

F18-39

11161

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25952

Females

10837

F18-39

10837

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

24933

Females

10371

F18-39

10371

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24493

Females

10221

F18-39

10221

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22732

Females

9365

F18-39

9365

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23643

Females

9879

F18-39

9879

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22728

Females

9464

F18-39

9464

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22798

Females

9544

F18-39

9544

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21600

Females

8992

F18-39

8992

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21340

Females

8849

F18-39

8849

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23564

Females

9963

F18-39

9963

Passing Analysis

Category:
Athletes Passed
2200
Passed By
43
Net Change
+2157
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28133
5K → 10K2723+269#28133#27864
10K → 15K26911+258#27864#27606
15K → 20K2158+207#27606#27399
20K → Half411+40#27399#27359
Half → 25K2445+239#27359#27120
25K → 30K3264+322#27120#26798
30K → 20M1441+143#26798#26655
20M → 21M1531+152#26655#26503
21M → 35K860+86#26503#26417
35K → 23M1541+153#26417#26264
23M → 24M1070+107#26264#26157
24M → 40K931+92#26157#26065
40K → 25.2M420+42#26065#26023
25.2M → Finish547+47#26023#25976
TOTALS220043+2157
📊

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