Boston Marathon logo
BOSTON MARATHON 2025

Ashlee Winslow

Bib: 18684•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

Start
0:00:00
Race begins
5K· 3.11 mi
25:55
Rank: #18981
Start → 5K
25:55 | 8:21/mi
10K· 6.21 mi
51:56
Rank: #18987 (-6)
5K → 10K
26:01 | 8:22/mi
15K· 9.32 mi
1:18:18
Rank: #19029 (-42)
10K → 15K
26:22 | 8:29/mi
20K· 12.43 mi
1:44:38
Rank: #18775 (+254)
15K → 20K
26:20 | 8:29/mi
Half· 13.11 mi
1:50:19
Rank: #18736 (+39)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:10:57
Rank: #18469 (+267)
Half → 25K
20:38 | 8:31/mi
30K· 18.64 mi
2:38:23
Rank: #18087 (+382)
25K → 30K
27:26 | 8:50/mi
20M
2:50:21
Rank: #17896 (+191)
30K → 20M
11:58 | 8:48/mi
21M
2:59:36
Rank: #17710 (+186)
20M → 21M
9:15 | 9:15/mi
35K· 21.75 mi
3:06:11
Rank: #17677 (+33)
21M → 35K
6:35 | 8:48/mi
23M
3:17:34
Rank: #17602 (+75)
35K → 23M
11:23 | 9:05/mi
24M
3:26:31
Rank: #17576 (+26)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:34:16
Rank: #17525 (+51)
24M → 40K
7:45 | 9:04/mi
25.2M
3:37:47
Rank: #17530 (-5)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:46:31
Rank: #17497 (+33)
25.2M → Finish
8:44 | 8:34/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
Time1:50:19
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:56:12
Pace8:52 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1725:558:2125:55
8:21
-
10K
6.21 mi11:43:1851:568:2126:01
8:22
+0:01
15K
9.32 mi12:09:401:18:188:2426:22
8:29
+0:07
20K
12.43 mi12:36:001:44:388:2526:20
8:29
0:00
Half
13.11 mi12:41:411:50:198:255:41
8:20
-0:09
25K
15.53 mi13:02:192:10:578:2620:38
8:31
+0:11
30K
18.64 mi13:29:452:38:238:3027:26
8:50
+0:19
20M
20.00 mi13:41:432:50:218:3111:58
8:48
-0:02
21M
21.00 mi13:50:582:59:368:339:15
9:15
+0:27
35K
21.75 mi13:57:333:06:118:346:35
8:48
-0:27
23M
23.00 mi14:08:563:17:348:3511:23
9:05
+0:17
24M
24.00 mi14:17:533:26:318:368:57
8:57
-0:08
40K
24.85 mi14:25:383:34:168:377:45
9:04
+0:07
25.2M
25.20 mi14:29:093:37:478:393:31
10:12
+1:08
Finish
26.22 mi14:37:533:46:318:398:44
8:34
-1:38

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

8:20 /mi

Average Pace

8:39 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:57

58% of race

Time at Steady Pace

1:03:40

28% of race

Time at Slower Pace

31:54

14% of race

Average Pace: 8:38 /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 mi11:17:1725:558:2125:55
8:21
#18981
10K
6.21 mi11:43:1851:568:2126:01
8:22
#18987
15K
9.32 mi12:09:401:18:188:2426:22
8:29
#19029
20K
12.43 mi12:36:001:44:388:2526:20
8:29
#18775
Half
13.11 mi12:41:411:50:198:255:41
8:20
#18736
25K
15.53 mi13:02:192:10:578:2620:38
8:31
#18469
30K
18.64 mi13:29:452:38:238:3027:26
8:50
#18087
20M
20.00 mi13:41:432:50:218:3111:58
8:48
#17896
21M
21.00 mi13:50:582:59:368:339:15
9:15
#17710
35K
21.75 mi13:57:333:06:118:346:35
8:48
#17677
23M
23.00 mi14:08:563:17:348:3511:23
9:05
#17602
24M
24.00 mi14:17:533:26:318:368:57
8:57
#17576
40K
24.85 mi14:25:383:34:168:377:45
9:04
#17525
25.2M
25.20 mi14:29:093:37:478:393:31
10:12
#17530
Finish
26.22 mi14:37:533:46:318:398:44
8:34
#17497
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi189816897689719252(Top 68%)7032(Top 58%)7032(Top 129%)
10K6.21 mi3.10 mi18987-66895+26895+219042(Top 67%)6908(Top 56%)6908(Top 126%)
15K9.32 mi3.11 mi19029-426929-346929-3419252(Top 68%)7032(Top 58%)7032(Top 129%)
20K12.43 mi3.11 mi18775+2546774+1556774+15518070(Top 64%)6380(Top 52%)6380(Top 117%)
Half13.11 mi0.68 mi18736+396752+226752+2218169(Top 64%)6419(Top 52%)6419(Top 117%)
25K15.53 mi2.42 mi18469+2676620+1326620+13217277(Top 61%)6017(Top 49%)6017(Top 110%)
30K18.64 mi3.11 mi18087+3826448+1726448+17216791(Top 59%)5918(Top 48%)5918(Top 108%)
20M20.00 mi1.36 mi17896+1916365+836365+8315730(Top 55%)5443(Top 45%)5443(Top 100%)
21M21.00 mi1.00 mi17710+1866275+906275+9014921(Top 53%)5137(Top 42%)5137(Top 94%)
35K21.75 mi0.75 mi17677+336277-26277-217270(Top 61%)6505(Top 53%)6505(Top 119%)
23M23.00 mi1.25 mi17602+756278-16278-116792(Top 59%)6331(Top 52%)6331(Top 116%)
24M24.00 mi1.00 mi17576+266291-136291-1317132(Top 60%)6567(Top 54%)6567(Top 120%)
40K24.85 mi0.85 mi17525+516294-36294-316715(Top 59%)6433(Top 53%)6433(Top 118%)
25.2M25.20 mi0.35 mi17530-56310-166310-1617893(Top 63%)7071(Top 58%)7071(Top 129%)
Finish26.22 mi1.02 mi17497+336313-36313-316699(Top 59%)6404(Top 52%)6404(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

19252

Females

7032

F18-39

7032

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

19042

Females

6908

F18-39

6908

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

19252

Females

7032

F18-39

7032

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18070

Females

6380

F18-39

6380

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

18169

Females

6419

F18-39

6419

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17277

Females

6017

F18-39

6017

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16791

Females

5918

F18-39

5918

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15730

Females

5443

F18-39

5443

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14921

Females

5137

F18-39

5137

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17270

Females

6505

F18-39

6505

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16792

Females

6331

F18-39

6331

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17132

Females

6567

F18-39

6567

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16715

Females

6433

F18-39

6433

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17893

Females

7071

F18-39

7071

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16699

Females

6404

F18-39

6404

Passing Analysis

Category:
Athletes Passed
2508
Passed By
1024
Net Change
+1484
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18981
5K → 10K251257-6#18981#18987
10K → 15K186228-42#18987#19029
15K → 20K32773+254#19029#18775
20K → Half6021+39#18775#18736
Half → 25K30235+267#18736#18469
25K → 30K45371+382#18469#18087
30K → 20M21423+191#18087#17896
20M → 21M20923+186#17896#17710
21M → 35K7744+33#17710#17677
35K → 23M14671+75#17677#17602
23M → 24M8862+26#17602#17576
24M → 40K9746+51#17576#17525
40K → 25.2M2328-5#17525#17530
25.2M → Finish7542+33#17530#17497
TOTALS25081024+1484
📊

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