Boston Marathon logo
BOSTON MARATHON 2025

Louise Cockrell

Bib: 17962•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 33%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:51
Rank: #13754
Start → 5K
23:51 | 7:41/mi
10K· 6.21 mi
48:08
Rank: #14296 (-542)
5K → 10K
24:17 | 7:49/mi
15K· 9.32 mi
1:11:49
Rank: #13789 (+507)
10K → 15K
23:41 | 7:37/mi
20K· 12.43 mi
1:35:05
Rank: #12934 (+855)
15K → 20K
23:16 | 7:29/mi
Half· 13.11 mi
1:40:01
Rank: #12744 (+190)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:57:58
Rank: #12122 (+622)
Half → 25K
17:57 | 7:24/mi
30K· 18.64 mi
2:20:58
Rank: #11135 (+987)
25K → 30K
23:00 | 7:24/mi
20M
2:31:06
Rank: #10741 (+394)
30K → 20M
10:08 | 7:27/mi
21M
2:38:49
Rank: #10356 (+385)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:44:06
Rank: #10137 (+219)
21M → 35K
5:17 | 7:04/mi
23M
2:53:30
Rank: #9888 (+249)
35K → 23M
9:24 | 7:30/mi
24M
3:00:45
Rank: #9647 (+241)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
3:07:11
Rank: #9507 (+140)
24M → 40K
6:26 | 7:31/mi
25.2M
3:09:54
Rank: #9399 (+108)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:17:10
Rank: #9264 (+135)
25.2M → Finish
7:16 | 7:08/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
Distance13.11 mi
Time1:40:01
Pace7:38 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:09
Pace7:25 /mi
📊Negative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0523:517:4123:51
7:41
-
10K
6.21 mi11:38:2248:087:4524:17
7:49
+0:08
15K
9.32 mi12:02:031:11:497:4223:41
7:37
-0:12
20K
12.43 mi12:25:191:35:057:3923:16
7:29
-0:08
Half
13.11 mi12:30:151:40:017:384:56
7:14
-0:15
25K
15.53 mi12:48:121:57:587:3617:57
7:24
+0:10
30K
18.64 mi13:11:122:20:587:3423:00
7:24
0:00
20M
20.00 mi13:21:202:31:067:3310:08
7:27
+0:03
21M
21.00 mi13:29:032:38:497:347:43
7:43
+0:16
35K
21.75 mi13:34:202:44:067:335:17
7:04
-0:39
23M
23.00 mi13:43:442:53:307:339:24
7:30
+0:26
24M
24.00 mi13:50:593:00:457:327:15
7:15
-0:15
40K
24.85 mi13:57:253:07:117:326:26
7:31
+0:16
25.2M
25.20 mi14:00:083:09:547:322:43
7:53
+0:22
Finish
26.22 mi14:07:243:17:107:327:16
7:08
-0:45

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

7:04 /mi

Average Pace

7:32 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:10

86% of race

Time at Steady Pace

27:00

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi11:14:0523:517:4123:51
7:41
#13754
10K
6.21 mi11:38:2248:087:4524:17
7:49
#14296
15K
9.32 mi12:02:031:11:497:4223:41
7:37
#13789
20K
12.43 mi12:25:191:35:057:3923:16
7:29
#12934
Half
13.11 mi12:30:151:40:017:384:56
7:14
#12744
25K
15.53 mi12:48:121:57:587:3617:57
7:24
#12122
30K
18.64 mi13:11:122:20:587:3423:00
7:24
#11135
20M
20.00 mi13:21:202:31:067:3310:08
7:27
#10741
21M
21.00 mi13:29:032:38:497:347:43
7:43
#10356
35K
21.75 mi13:34:202:44:067:335:17
7:04
#10137
23M
23.00 mi13:43:442:53:307:339:24
7:30
#9888
24M
24.00 mi13:50:593:00:457:327:15
7:15
#9647
40K
24.85 mi13:57:253:07:117:326:26
7:31
#9507
25.2M
25.20 mi14:00:083:09:547:322:43
7:53
#9399
Finish
26.22 mi14:07:243:17:107:327:16
7:08
#9264
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137543739373912797(Top 45%)3322(Top 27%)3322(Top 61%)
10K6.21 mi3.10 mi14296-5424113-3744113-37414965(Top 53%)4510(Top 37%)4510(Top 82%)
15K9.32 mi3.11 mi13789+5073841+2723841+27212797(Top 45%)3322(Top 27%)3322(Top 61%)
20K12.43 mi3.11 mi12934+8553406+4353406+43510672(Top 38%)2295(Top 19%)2295(Top 42%)
Half13.11 mi0.68 mi12744+1903303+1033303+1039461(Top 33%)1704(Top 14%)1704(Top 31%)
25K15.53 mi2.42 mi12122+6222982+3212982+3219208(Top 32%)1731(Top 14%)1731(Top 32%)
30K18.64 mi3.11 mi11135+9872534+4482534+4487088(Top 25%)1045(Top 9%)1045(Top 19%)
20M20.00 mi1.36 mi10741+3942379+1552379+1556770(Top 24%)1069(Top 9%)1069(Top 20%)
21M21.00 mi1.00 mi10356+3852219+1602219+1605786(Top 20%)861(Top 7%)861(Top 16%)
35K21.75 mi0.75 mi10137+2192130+892130+895843(Top 21%)885(Top 7%)885(Top 16%)
23M23.00 mi1.25 mi9888+2492058+722058+726701(Top 24%)1276(Top 10%)1276(Top 23%)
24M24.00 mi1.00 mi9647+2411969+891969+896165(Top 22%)1141(Top 9%)1141(Top 21%)
40K24.85 mi0.85 mi9507+1401935+341935+346971(Top 25%)1542(Top 13%)1542(Top 28%)
25.2M25.20 mi0.35 mi9399+1081906+291906+295413(Top 19%)1043(Top 9%)1043(Top 19%)
Finish26.22 mi1.02 mi9264+1351885+211885+216616(Top 23%)1502(Top 12%)1502(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12797

Females

3322

F18-39

3322

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14965

Females

4510

F18-39

4510

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12797

Females

3322

F18-39

3322

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10672

Females

2295

F18-39

2295

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9461

Females

1704

F18-39

1704

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

9208

Females

1731

F18-39

1731

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7088

Females

1045

F18-39

1045

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6770

Females

1069

F18-39

1069

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5786

Females

861

F18-39

861

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5843

Females

885

F18-39

885

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6701

Females

1276

F18-39

1276

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6165

Females

1141

F18-39

1141

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6971

Females

1542

F18-39

1542

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5413

Females

1043

F18-39

1043

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6616

Females

1502

F18-39

1502

Passing Analysis

Category:
Athletes Passed
5241*
Passed By
751
Net Change
+4490
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13754
5K → 10K119661-542#13754#14296
10K → 15K54033+507#14296#13789
15K → 20K8605+855#13789#12934
20K → Half1900+190#12934#12744
Half → 25K6242+622#12744#12122
25K → 30K9870+987#12122#11135
30K → 20M3962+394#11135#10741
20M → 21M3850+385#10741#10356
21M → 35K2212+219#10356#10137
35K → 23M257*8+249#10137#9888
23M → 24M2476+241#9888#9647
24M → 40K15414+140#9647#9507
40K → 25.2M1091+108#9507#9399
25.2M → Finish15217+135#9399#9264
TOTALS5241*751+4490

* 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