Boston Marathon logo
BOSTON MARATHON 2025

Haley Smith

Bib: 26310•F

TX

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
28:34
Rank: #23222
Start → 5K
9:12/mi
28:34 split
10K· 6.21 mi
57:03
Rank: #23148 (+74)
5K → 10K
9:10/mi
28:29 split
15K· 9.32 mi
1:25:43
Rank: #23094 (+54)
10K → 15K
9:14/mi
28:40 split
20K· 12.43 mi
1:55:35
Rank: #23140 (-46)
15K → 20K
9:37/mi
29:52 split
Half· 13.11 mi
2:01:50
Rank: #23102 (+38)
20K → Half
9:10/mi
6:15 split
25K· 15.53 mi
2:24:11
Rank: #22727 (+375)
Half → 25K
9:13/mi
22:21 split
30K· 18.64 mi
2:53:29
Rank: #22177 (+550)
25K → 30K
9:26/mi
29:18 split
20M
3:06:21
Rank: #21951 (+226)
30K → 20M
9:28/mi
12:52 split
21M
3:16:58
Rank: #21846 (+105)
20M → 21M
10:37/mi
10:37 split
35K· 21.75 mi
3:23:54
Rank: #21749 (+97)
21M → 35K
9:16/mi
6:56 split
23M
3:36:50
Rank: #21713 (+36)
35K → 23M
10:20/mi
12:56 split
24M
3:48:16
Rank: #21892 (-179)
23M → 24M
11:26/mi
11:26 split
40K· 24.85 mi
3:58:00
Rank: #21988 (-96)
24M → 40K
11:23/mi
9:44 split
25.2M
4:02:13
Rank: #22016 (-28)
40K → 25.2M
12:14/mi
4:13 split
Finish· 26.22 mi
4:12:34
Rank: #22067 (-51)
25.2M → Finish
10:09/mi
10:21 split

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
Time2:01:50
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:10:44
Pace9:58 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4128:349:1228:34
9:12
-
10K
6.21 mi12:12:1057:039:1128:29
9:10
-0:02
15K
9.32 mi12:40:501:25:439:1228:40
9:14
+0:04
20K
12.43 mi13:10:421:55:359:1829:52
9:37
+0:23
Half
13.11 mi13:16:572:01:509:186:15
9:10
-0:27
25K
15.53 mi13:39:182:24:119:1722:21
9:13
+0:03
30K
18.64 mi14:08:362:53:299:1829:18
9:26
+0:13
20M
20.00 mi14:21:283:06:219:1912:52
9:28
+0:02
21M
21.00 mi14:32:053:16:589:2310:37
10:37
+1:09
35K
21.75 mi14:39:013:23:549:236:56
9:16
-1:21
23M
23.00 mi14:51:573:36:509:2612:56
10:20
+1:04
24M
24.00 mi15:03:233:48:169:3111:26
11:26
+1:06
40K
24.85 mi15:13:073:58:009:359:44
11:23
-0:03
25.2M
25.20 mi15:17:204:02:139:374:13
12:14
+0:51
Finish
26.22 mi15:27:414:12:349:3810:21
10:09
-2:05

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

9:10 /mi

Average Pace

9:38 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:13:17

77% of race

Time at Slower Pace

59:17

23% of race

Average Pace: 9:38 /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 mi11:43:4128:349:1228:34
9:12
#23222
10K
6.21 mi12:12:1057:039:1128:29
9:10
#23148
15K
9.32 mi12:40:501:25:439:1228:40
9:14
#23094
20K
12.43 mi13:10:421:55:359:1829:52
9:37
#23140
Half
13.11 mi13:16:572:01:509:186:15
9:10
#23102
25K
15.53 mi13:39:182:24:119:1722:21
9:13
#22727
30K
18.64 mi14:08:362:53:299:1829:18
9:26
#22177
20M
20.00 mi14:21:283:06:219:1912:52
9:28
#21951
21M
21.00 mi14:32:053:16:589:2310:37
10:37
#21846
35K
21.75 mi14:39:013:23:549:236:56
9:16
#21749
23M
23.00 mi14:51:573:36:509:2612:56
10:20
#21713
24M
24.00 mi15:03:233:48:169:3111:26
11:26
#21892
40K
24.85 mi15:13:073:58:009:359:44
11:23
#21988
25.2M
25.20 mi15:17:204:02:139:374:13
12:14
#22016
Finish
26.22 mi15:27:414:12:349:3810:21
10:09
#22067
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi232229286928622955(Top 81%)9078(Top 74%)9078(Top 166%)
10K6.21 mi3.10 mi23148+749228+589228+5823081(Top 81%)9177(Top 75%)9177(Top 168%)
15K9.32 mi3.11 mi23094+549184+449184+4422955(Top 81%)9078(Top 74%)9078(Top 166%)
20K12.43 mi3.11 mi23140-469204-209204-2023256(Top 82%)9278(Top 76%)9278(Top 170%)
Half13.11 mi0.68 mi23102+389182+229182+2222481(Top 79%)8872(Top 73%)8872(Top 162%)
25K15.53 mi2.42 mi22727+3758991+1918991+19120856(Top 73%)8013(Top 66%)8013(Top 147%)
30K18.64 mi3.11 mi22177+5508719+2728719+27219676(Top 69%)7488(Top 61%)7488(Top 137%)
20M20.00 mi1.36 mi21951+2268607+1128607+11219065(Top 67%)7301(Top 60%)7301(Top 133%)
21M21.00 mi1.00 mi21846+1058576+318576+3120376(Top 72%)8122(Top 66%)8122(Top 149%)
35K21.75 mi0.75 mi21749+978538+388538+3819496(Top 69%)7728(Top 63%)7728(Top 141%)
23M23.00 mi1.25 mi21713+368557-198557-1921528(Top 76%)8834(Top 72%)8834(Top 162%)
24M24.00 mi1.00 mi21892-1798682-1258682-12524788(Top 87%)10528(Top 86%)10528(Top 193%)
40K24.85 mi0.85 mi21988-968751-698751-6923939(Top 84%)10137(Top 83%)10137(Top 185%)
25.2M25.20 mi0.35 mi22016-288773-228773-2223676(Top 83%)10008(Top 82%)10008(Top 183%)
Finish26.22 mi1.02 mi22067-518819-468819-4623408(Top 82%)9875(Top 81%)9875(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

22955

Females

9078

F18-39

9078

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

23081

Females

9177

F18-39

9177

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

22955

Females

9078

F18-39

9078

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

23256

Females

9278

F18-39

9278

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

22481

Females

8872

F18-39

8872

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

20856

Females

8013

F18-39

8013

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

19676

Females

7488

F18-39

7488

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

19065

Females

7301

F18-39

7301

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20376

Females

8122

F18-39

8122

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19496

Females

7728

F18-39

7728

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21528

Females

8834

F18-39

8834

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

24788

Females

10528

F18-39

10528

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23939

Females

10137

F18-39

10137

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23676

Females

10008

F18-39

10008

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23408

Females

9875

F18-39

9875

Passing Analysis

Category:
Athletes Passed
2244
Passed By
1089
Net Change
+1155
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23222
5K → 10K264190+74#23222#23148
10K → 15K198144+54#23148#23094
15K → 20K144190-46#23094#23140
20K → Half4810+38#23140#23102
Half → 25K3838+375#23102#22727
25K → 30K5555+550#22727#22177
30K → 20M2348+226#22177#21951
20M → 21M13732+105#21951#21846
21M → 35K1058+97#21846#21749
35K → 23M9357+36#21749#21713
23M → 24M16195-179#21713#21892
24M → 40K21117-96#21892#21988
40K → 25.2M1341-28#21988#22016
25.2M → Finish3384-51#22016#22067
TOTALS22441089+1155
📊

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