Boston Marathon logo
BOSTON MARATHON 2025

Natalie Wilson

Bib: 15325•F

CO

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Division (F18-39)
#0 / 5469
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:24
Rank: #12539
Start → 5K
23:24 | 7:32/mi
10K· 6.21 mi
46:44
Rank: #12329 (+210)
5K → 10K
23:20 | 7:31/mi
15K· 9.32 mi
1:10:18
Rank: #12358 (-29)
10K → 15K
23:34 | 7:35/mi
20K· 12.43 mi
1:34:23
Rank: #12454 (-96)
15K → 20K
24:05 | 7:45/mi
Half· 13.11 mi
1:39:42
Rank: #12545 (-91)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
1:59:10
Rank: #12770 (-225)
Half → 25K
19:28 | 8:02/mi
30K· 18.64 mi
2:25:02
Rank: #12908 (-138)
25K → 30K
25:52 | 8:20/mi
20M
2:36:35
Rank: #12977 (-69)
30K → 20M
11:33 | 8:30/mi
21M
2:45:38
Rank: #12980 (-3)
20M → 21M
9:03 | 9:03/mi
35K· 21.75 mi
2:51:53
Rank: #13044 (-64)
21M → 35K
6:15 | 8:21/mi
23M
3:02:46
Rank: #13125 (-81)
35K → 23M
10:53 | 8:42/mi
24M
3:11:11
Rank: #13155 (-30)
23M → 24M
8:25 | 8:25/mi
40K· 24.85 mi
3:18:27
Rank: #13150 (+5)
24M → 40K
7:16 | 8:30/mi
25.2M
3:21:35
Rank: #13135 (+15)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:29:23
Rank: #13043 (+92)
25.2M → Finish
7:48 | 7:39/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
Time1:39:42
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:49:41
Pace8:22 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1523:247:3223:24
7:32
-
10K
6.21 mi11:19:3546:447:3123:20
7:31
-0:01
15K
9.32 mi11:43:091:10:187:3323:34
7:35
+0:04
20K
12.43 mi12:07:141:34:237:3624:05
7:45
+0:10
Half
13.11 mi12:12:331:39:427:365:19
7:48
+0:03
25K
15.53 mi12:32:011:59:107:4019:28
8:02
+0:14
30K
18.64 mi12:57:532:25:027:4725:52
8:20
+0:18
20M
20.00 mi13:09:262:36:357:5011:33
8:30
+0:10
21M
21.00 mi13:18:292:45:387:539:03
9:03
+0:33
35K
21.75 mi13:24:442:51:537:546:15
8:21
-0:42
23M
23.00 mi13:35:373:02:467:5710:53
8:42
+0:21
24M
24.00 mi13:44:023:11:117:588:25
8:25
-0:17
40K
24.85 mi13:51:183:18:277:597:16
8:30
+0:05
25.2M
25.20 mi13:54:263:21:358:003:08
9:05
+0:35
Finish
26.22 mi14:02:143:29:238:007:48
7:39
-1:26

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

7:31 /mi

Average Pace

8:00 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:58

61% of race

Time at Steady Pace

59:21

28% of race

Time at Slower Pace

23:04

11% of race

Average Pace: 7:59 /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 mi10:56:1523:247:3223:24
7:32
#12539
10K
6.21 mi11:19:3546:447:3123:20
7:31
#12329
15K
9.32 mi11:43:091:10:187:3323:34
7:35
#12358
20K
12.43 mi12:07:141:34:237:3624:05
7:45
#12454
Half
13.11 mi12:12:331:39:427:365:19
7:48
#12545
25K
15.53 mi12:32:011:59:107:4019:28
8:02
#12770
30K
18.64 mi12:57:532:25:027:4725:52
8:20
#12908
20M
20.00 mi13:09:262:36:357:5011:33
8:30
#12977
21M
21.00 mi13:18:292:45:387:539:03
9:03
#12980
35K
21.75 mi13:24:442:51:537:546:15
8:21
#13044
23M
23.00 mi13:35:373:02:467:5710:53
8:42
#13125
24M
24.00 mi13:44:023:11:117:588:25
8:25
#13155
40K
24.85 mi13:51:183:18:277:597:16
8:30
#13150
25.2M
25.20 mi13:54:263:21:358:003:08
9:05
#13135
Finish
26.22 mi14:02:143:29:238:007:48
7:39
#13043
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi125393086308612489(Top 44%)3163(Top 26%)3163(Top 58%)
10K6.21 mi3.10 mi12329+2102977+1092977+10912217(Top 43%)2942(Top 24%)2942(Top 54%)
15K9.32 mi3.11 mi12358-293029-523029-5212489(Top 44%)3163(Top 26%)3163(Top 58%)
20K12.43 mi3.11 mi12454-963120-913120-9112878(Top 45%)3484(Top 28%)3484(Top 64%)
Half13.11 mi0.68 mi12545-913175-553175-5514234(Top 50%)4185(Top 34%)4185(Top 77%)
25K15.53 mi2.42 mi12770-2253348-1733348-17314130(Top 50%)4264(Top 35%)4264(Top 78%)
30K18.64 mi3.11 mi12908-1383493-1453493-14513659(Top 48%)4172(Top 34%)4172(Top 76%)
20M20.00 mi1.36 mi12977-693564-713564-7113792(Top 49%)4400(Top 36%)4400(Top 80%)
21M21.00 mi1.00 mi12980-33601-373601-3713817(Top 49%)4523(Top 37%)4523(Top 83%)
35K21.75 mi0.75 mi13044-643646-453646-4514612(Top 51%)5015(Top 41%)5015(Top 92%)
23M23.00 mi1.25 mi13125-813744-983744-9814510(Top 51%)5068(Top 41%)5068(Top 93%)
24M24.00 mi1.00 mi13155-303793-493793-4914002(Top 49%)4821(Top 39%)4821(Top 88%)
40K24.85 mi0.85 mi13150+53810-173810-1713441(Top 47%)4668(Top 38%)4668(Top 85%)
25.2M25.20 mi0.35 mi13135+153813-33813-312340(Top 43%)4139(Top 34%)4139(Top 76%)
Finish26.22 mi1.02 mi13043+923782+313782+3110388(Top 37%)3174(Top 26%)3174(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12489

Females

3163

F18-39

3163

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

12217

Females

2942

F18-39

2942

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12489

Females

3163

F18-39

3163

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

12878

Females

3484

F18-39

3484

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14234

Females

4185

F18-39

4185

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14130

Females

4264

F18-39

4264

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13659

Females

4172

F18-39

4172

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

13792

Females

4400

F18-39

4400

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13817

Females

4523

F18-39

4523

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

14612

Females

5015

F18-39

5015

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14510

Females

5068

F18-39

5068

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

14002

Females

4821

F18-39

4821

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13441

Females

4668

F18-39

4668

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12340

Females

4139

F18-39

4139

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10388

Females

3174

F18-39

3174

Passing Analysis

Category:
Athletes Passed
1646
Passed By
2150
Net Change
-504
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12539
5K → 10K391181+210#12539#12329
10K → 15K172201-29#12329#12358
15K → 20K157253-96#12358#12454
20K → Half899-91#12454#12545
Half → 25K107332-225#12545#12770
25K → 30K187325-138#12770#12908
30K → 20M106175-69#12908#12977
20M → 21M105108-3#12977#12980
21M → 35K3397-64#12980#13044
35K → 23M92173-81#13044#13125
23M → 24M6292-30#13125#13155
24M → 40K7570+5#13155#13150
40K → 25.2M3924+15#13150#13135
25.2M → Finish11220+92#13135#13043
TOTALS16462150-504
📊

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