Boston Marathon logo
BOSTON MARATHON 2025

Sarah Howard

Bib: 32203•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 50%
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
27:22
Rank: #21561
Start → 5K
27:22 | 8:49/mi
10K· 6.21 mi
53:22
Rank: #20335 (+1226)
5K → 10K
26:00 | 8:22/mi
15K· 9.32 mi
1:18:45
Rank: #19348 (+987)
10K → 15K
25:23 | 8:10/mi
20K· 12.43 mi
1:43:24
Rank: #18133 (+1215)
15K → 20K
24:39 | 7:56/mi
Half· 13.11 mi
1:48:52
Rank: #18008 (+125)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:08:53
Rank: #17580 (+428)
Half → 25K
20:01 | 8:15/mi
30K· 18.64 mi
2:35:59
Rank: #17254 (+326)
25K → 30K
27:06 | 8:43/mi
20M
2:48:08
Rank: #17178 (+76)
30K → 20M
12:09 | 8:56/mi
21M
2:57:32
Rank: #17056 (+122)
20M → 21M
9:24 | 9:24/mi
35K· 21.75 mi
3:04:19
Rank: #17114 (-58)
21M → 35K
6:47 | 9:04/mi
23M
3:16:03
Rank: #17177 (-63)
35K → 23M
11:44 | 9:22/mi
24M
3:24:54
Rank: #17148 (+29)
23M → 24M
8:51 | 8:51/mi
40K· 24.85 mi
3:33:00
Rank: #17211 (-63)
24M → 40K
8:06 | 9:28/mi
25.2M
3:36:23
Rank: #17192 (+19)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:44:56
Rank: #17120 (+72)
25.2M → Finish
8:33 | 8:23/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
Time1:48:52
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:56:04
Pace8:51 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5127:228:4927:22
8:49
-
10K
6.21 mi12:19:5153:228:3526:00
8:22
-0:27
15K
9.32 mi12:45:141:18:458:2725:23
8:10
-0:12
20K
12.43 mi13:09:531:43:248:1924:39
7:56
-0:14
Half
13.11 mi13:15:211:48:528:185:28
8:01
+0:05
25K
15.53 mi13:35:222:08:538:1820:01
8:15
+0:14
30K
18.64 mi14:02:282:35:598:2227:06
8:43
+0:28
20M
20.00 mi14:14:372:48:088:2412:09
8:56
+0:13
21M
21.00 mi14:24:012:57:328:279:24
9:24
+0:28
35K
21.75 mi14:30:483:04:198:296:47
9:04
-0:20
23M
23.00 mi14:42:323:16:038:3111:44
9:22
+0:18
24M
24.00 mi14:51:233:24:548:328:51
8:51
-0:31
40K
24.85 mi14:59:293:33:008:348:06
9:28
+0:37
25.2M
25.20 mi15:02:523:36:238:353:23
9:49
+0:21
Finish
26.22 mi15:11:253:44:568:358:33
8:23
-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

7:56 /mi

Average Pace

8:35 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:04

49% of race

Time at Steady Pace

1:22:15

37% of race

Time at Slower Pace

32:37

15% of race

Average Pace: 8:35 /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 mi11:53:5127:228:4927:22
8:49
#21561
10K
6.21 mi12:19:5153:228:3526:00
8:22
#20335
15K
9.32 mi12:45:141:18:458:2725:23
8:10
#19348
20K
12.43 mi13:09:531:43:248:1924:39
7:56
#18133
Half
13.11 mi13:15:211:48:528:185:28
8:01
#18008
25K
15.53 mi13:35:222:08:538:1820:01
8:15
#17580
30K
18.64 mi14:02:282:35:598:2227:06
8:43
#17254
20M
20.00 mi14:14:372:48:088:2412:09
8:56
#17178
21M
21.00 mi14:24:012:57:328:279:24
9:24
#17056
35K
21.75 mi14:30:483:04:198:296:47
9:04
#17114
23M
23.00 mi14:42:323:16:038:3111:44
9:22
#17177
24M
24.00 mi14:51:233:24:548:328:51
8:51
#17148
40K
24.85 mi14:59:293:33:008:348:06
9:28
#17211
25.2M
25.20 mi15:02:523:36:238:353:23
9:49
#17192
Finish
26.22 mi15:11:253:44:568:358:33
8:23
#17120
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi215618384838417213(Top 61%)5857(Top 48%)5857(Top 107%)
10K6.21 mi3.10 mi20335+12267671+7137671+71319001(Top 67%)6882(Top 56%)6882(Top 126%)
15K9.32 mi3.11 mi19348+9877090+5817090+58117213(Top 61%)5857(Top 48%)5857(Top 107%)
20K12.43 mi3.11 mi18133+12156413+6776413+67714422(Top 51%)4333(Top 35%)4333(Top 79%)
Half13.11 mi0.68 mi18008+1256342+716342+7116098(Top 57%)5259(Top 43%)5259(Top 96%)
25K15.53 mi2.42 mi17580+4286107+2356107+23515665(Top 55%)5113(Top 42%)5113(Top 93%)
30K18.64 mi3.11 mi17254+3265966+1415966+14116139(Top 57%)5543(Top 45%)5543(Top 101%)
20M20.00 mi1.36 mi17178+765951+155951+1516492(Top 58%)5873(Top 48%)5873(Top 107%)
21M21.00 mi1.00 mi17056+1225910+415910+4115642(Top 55%)5535(Top 45%)5535(Top 101%)
35K21.75 mi0.75 mi17114-585974-645974-6418579(Top 65%)7233(Top 59%)7233(Top 132%)
23M23.00 mi1.25 mi17177-636038-646038-6418116(Top 64%)7040(Top 58%)7040(Top 129%)
24M24.00 mi1.00 mi17148+296040-26040-216610(Top 58%)6272(Top 51%)6272(Top 115%)
40K24.85 mi0.85 mi17211-636112-726112-7218619(Top 66%)7435(Top 61%)7435(Top 136%)
25.2M25.20 mi0.35 mi17192+196108+46108+416206(Top 57%)6191(Top 51%)6191(Top 113%)
Finish26.22 mi1.02 mi17120+726084+246084+2415546(Top 55%)5786(Top 47%)5786(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17213

Females

5857

F18-39

5857

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

19001

Females

6882

F18-39

6882

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17213

Females

5857

F18-39

5857

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

14422

Females

4333

F18-39

4333

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16098

Females

5259

F18-39

5259

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15665

Females

5113

F18-39

5113

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16139

Females

5543

F18-39

5543

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16492

Females

5873

F18-39

5873

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

15642

Females

5535

F18-39

5535

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18579

Females

7233

F18-39

7233

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

18116

Females

7040

F18-39

7040

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16610

Females

6272

F18-39

6272

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18619

Females

7435

F18-39

7435

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16206

Females

6191

F18-39

6191

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15546

Females

5786

F18-39

5786

Passing Analysis

Category:
Athletes Passed
5170
Passed By
729
Net Change
+4441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21561
5K → 10K125731+1226#21561#20335
10K → 15K9903+987#20335#19348
15K → 20K12172+1215#19348#18133
20K → Half1294+125#18133#18008
Half → 25K4357+428#18008#17580
25K → 30K39872+326#17580#17254
30K → 20M14064+76#17254#17178
20M → 21M17250+122#17178#17056
21M → 35K53111-58#17056#17114
35K → 23M94157-63#17114#17177
23M → 24M8859+29#17177#17148
24M → 40K51114-63#17148#17211
40K → 25.2M4425+19#17211#17192
25.2M → Finish10230+72#17192#17120
TOTALS5170729+4441
📊

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