Boston Marathon logo
BOSTON MARATHON 2023

Corey Milne

Bib: 25014•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:14
Rank: #22739
Start → 5K
30:14 | 9:44/mi
10K· 6.21 mi
59:50
Rank: #22693 (+46)
5K → 10K
29:36 | 9:32/mi
15K· 9.32 mi
1:29:34
Rank: #22620 (+73)
10K → 15K
29:44 | 9:34/mi
20K· 12.43 mi
1:59:25
Rank: #22424 (+196)
15K → 20K
29:51 | 9:36/mi
Half· 13.11 mi
2:05:49
Rank: #22392 (+32)
20K → Half
6:24 | 9:23/mi
25K· 15.53 mi
2:29:26
Rank: #22251 (+141)
Half → 25K
23:37 | 9:44/mi
30K· 18.64 mi
3:00:29
Rank: #22006 (+245)
25K → 30K
31:03 | 10:00/mi
20M
3:14:36
Rank: #21962 (+44)
30K → 20M
14:07 | 10:23/mi
21M
3:25:12
Rank: #21853 (+109)
20M → 21M
10:36 | 10:36/mi
35K· 21.75 mi
3:32:51
Rank: #21860 (-7)
21M → 35K
7:39 | 10:14/mi
23M
3:45:58
Rank: #21824 (+36)
35K → 23M
13:07 | 10:29/mi
24M
3:56:09
Rank: #21799 (+25)
23M → 24M
10:11 | 10:11/mi
40K· 24.85 mi
4:04:54
Rank: #21743 (+56)
24M → 40K
8:45 | 10:14/mi
25.2M
4:08:45
Rank: #21724 (+19)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
4:18:31
Rank: #21687 (+37)
25.2M → Finish
9:46 | 9:35/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
Time2:05:49
Pace9:36 /mi
2nd Half
Distance13.11 mi
Time2:12:42
Pace10:07 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2230:149:4430:14
9:44
-
10K
6.21 mi12:15:5859:509:3829:36
9:32
-0:12
15K
9.32 mi12:45:421:29:349:3729:44
9:34
+0:02
20K
12.43 mi13:15:331:59:259:3729:51
9:36
+0:02
Half
13.11 mi13:21:572:05:499:366:24
9:23
-0:13
25K
15.53 mi13:45:342:29:269:3723:37
9:44
+0:21
30K
18.64 mi14:16:373:00:299:4131:03
10:00
+0:16
20M
20.00 mi14:30:443:14:369:4414:07
10:23
+0:23
21M
21.00 mi14:41:203:25:129:4610:36
10:36
+0:13
35K
21.75 mi14:48:593:32:519:477:39
10:14
-0:22
23M
23.00 mi15:02:063:45:589:4913:07
10:29
+0:15
24M
24.00 mi15:12:173:56:099:5010:11
10:11
-0:18
40K
24.85 mi15:21:024:04:549:518:45
10:14
+0:03
25.2M
25.20 mi15:24:534:08:459:523:51
11:10
+0:56
Finish
26.22 mi15:34:394:18:319:529:46
9:35
-1:35

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

9:23 /mi

Average Pace

9:52 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:50

84% of race

Time at Steady Pace

37:50

15% of race

Time at Slower Pace

3:51

1% of race

Average Pace: 9:52 /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 mi11:46:2230:149:4430:14
9:44
#22739
10K
6.21 mi12:15:5859:509:3829:36
9:32
#22693
15K
9.32 mi12:45:421:29:349:3729:44
9:34
#22620
20K
12.43 mi13:15:331:59:259:3729:51
9:36
#22424
Half
13.11 mi13:21:572:05:499:366:24
9:23
#22392
25K
15.53 mi13:45:342:29:269:3723:37
9:44
#22251
30K
18.64 mi14:16:373:00:299:4131:03
10:00
#22006
20M
20.00 mi14:30:443:14:369:4414:07
10:23
#21962
21M
21.00 mi14:41:203:25:129:4610:36
10:36
#21853
35K
21.75 mi14:48:593:32:519:477:39
10:14
#21860
23M
23.00 mi15:02:063:45:589:4913:07
10:29
#21824
24M
24.00 mi15:12:173:56:099:5010:11
10:11
#21799
40K
24.85 mi15:21:024:04:549:518:45
10:14
#21743
25.2M
25.20 mi15:24:534:08:459:523:51
11:10
#21724
Finish
26.22 mi15:34:394:18:319:529:46
9:35
#21687
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi227399253925322448(Top 84%)9038(Top 79%)9038(Top 185%)
10K6.21 mi3.10 mi22693+469195+589195+5822592(Top 85%)9137(Top 80%)9137(Top 187%)
15K9.32 mi3.11 mi22620+739149+469149+4622448(Top 84%)9038(Top 79%)9038(Top 185%)
20K12.43 mi3.11 mi22424+1969043+1069043+10621892(Top 82%)8739(Top 77%)8739(Top 179%)
Half13.11 mi0.68 mi22392+329024+199024+1921787(Top 82%)8683(Top 76%)8683(Top 178%)
25K15.53 mi2.42 mi22251+1418973+518973+5121591(Top 81%)8612(Top 75%)8612(Top 176%)
30K18.64 mi3.11 mi22006+2458839+1348839+13421022(Top 79%)8358(Top 73%)8358(Top 171%)
20M20.00 mi1.36 mi21962+448822+178822+1721509(Top 81%)8704(Top 76%)8704(Top 178%)
21M21.00 mi1.00 mi21853+1098771+518771+5119906(Top 75%)7883(Top 69%)7883(Top 161%)
35K21.75 mi0.75 mi21860-78784-138784-1321845(Top 82%)8961(Top 78%)8961(Top 183%)
23M23.00 mi1.25 mi21824+368777+78777+721273(Top 80%)8667(Top 76%)8667(Top 177%)
24M24.00 mi1.00 mi21799+258774+38774+321301(Top 80%)8726(Top 76%)8726(Top 179%)
40K24.85 mi0.85 mi21743+568760+148760+1420597(Top 77%)8382(Top 73%)8382(Top 172%)
25.2M25.20 mi0.35 mi21724+198754+68754+620861(Top 78%)8513(Top 75%)8513(Top 174%)
Finish26.22 mi1.02 mi21687+378739+158739+1520441(Top 77%)8270(Top 72%)8270(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22448

Females

9038

F18-39

9038

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22592

Females

9137

F18-39

9137

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22448

Females

9038

F18-39

9038

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21892

Females

8739

F18-39

8739

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21787

Females

8683

F18-39

8683

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21591

Females

8612

F18-39

8612

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

21022

Females

8358

F18-39

8358

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21509

Females

8704

F18-39

8704

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19906

Females

7883

F18-39

7883

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21845

Females

8961

F18-39

8961

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21273

Females

8667

F18-39

8667

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21301

Females

8726

F18-39

8726

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20597

Females

8382

F18-39

8382

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20861

Females

8513

F18-39

8513

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20441

Females

8270

F18-39

8270

Passing Analysis

Category:
Athletes Passed
1684
Passed By
632
Net Change
+1052
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22739
5K → 10K264218+46#22739#22693
10K → 15K180107+73#22693#22620
15K → 20K24448+196#22620#22424
20K → Half4311+32#22424#22392
Half → 25K18039+141#22392#22251
25K → 30K27227+245#22251#22006
30K → 20M8642+44#22006#21962
20M → 21M12314+109#21962#21853
21M → 35K2532-7#21853#21860
35K → 23M7842+36#21860#21824
23M → 24M4621+25#21824#21799
24M → 40K7115+56#21799#21743
40K → 25.2M245+19#21743#21724
25.2M → Finish4811+37#21724#21687
TOTALS1684632+1052
📊

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