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BOSTON MARATHON 2025

Hilary Smith

Bib: 20041•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:33
Rank: #20178
Start → 5K
26:33 | 8:33/mi
10K· 6.21 mi
53:58
Rank: #20851 (-673)
5K → 10K
27:25 | 8:49/mi
15K· 9.32 mi
1:20:39
Rank: #20503 (+348)
10K → 15K
26:41 | 8:35/mi
20K· 12.43 mi
1:47:53
Rank: #20303 (+200)
15K → 20K
27:14 | 8:46/mi
Half· 13.11 mi
1:53:46
Rank: #20289 (+14)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:15:25
Rank: #20167 (+122)
Half → 25K
21:39 | 8:56/mi
30K· 18.64 mi
2:44:08
Rank: #19892 (+275)
25K → 30K
28:43 | 9:15/mi
20M
2:57:31
Rank: #19968 (-76)
30K → 20M
13:23 | 9:51/mi
21M
3:08:41
Rank: #20122 (-154)
20M → 21M
11:10 | 11:10/mi
35K· 21.75 mi
3:15:21
Rank: #20039 (+83)
21M → 35K
6:40 | 8:55/mi
23M
3:27:20
Rank: #19990 (+49)
35K → 23M
11:59 | 9:34/mi
24M
3:37:29
Rank: #20108 (-118)
23M → 24M
10:09 | 10:09/mi
40K· 24.85 mi
3:45:37
Rank: #20049 (+59)
24M → 40K
8:08 | 9:31/mi
25.2M
3:49:13
Rank: #20042 (+7)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:58:24
Rank: #20026 (+16)
25.2M → Finish
9:11 | 9:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:46
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:04:38
Pace9:30 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1326:338:3326:33
8:33
-
10K
6.21 mi11:50:3853:588:4127:25
8:49
+0:16
15K
9.32 mi12:17:191:20:398:3926:41
8:35
-0:14
20K
12.43 mi12:44:331:47:538:4127:14
8:46
+0:11
Half
13.11 mi12:50:261:53:468:415:53
8:37
-0:09
25K
15.53 mi13:12:052:15:258:4321:39
8:56
+0:19
30K
18.64 mi13:40:482:44:088:4828:43
9:15
+0:19
20M
20.00 mi13:54:112:57:318:5313:23
9:51
+0:36
21M
21.00 mi14:05:213:08:418:5911:10
11:10
+1:19
35K
21.75 mi14:12:013:15:218:596:40
8:55
-2:15
23M
23.00 mi14:24:003:27:209:0111:59
9:34
+0:39
24M
24.00 mi14:34:093:37:299:0410:09
10:09
+0:35
40K
24.85 mi14:42:173:45:379:058:08
9:31
-0:38
25.2M
25.20 mi14:45:533:49:139:063:36
10:26
+0:55
Finish
26.22 mi14:55:043:58:249:069:11
9:01
-1:25

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

8:33 /mi

Average Pace

9:06 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:07

25% of race

Time at Steady Pace

2:00:52

51% of race

Time at Slower Pace

58:25

25% of race

Average Pace: 9:06 /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 mi11:23:1326:338:3326:33
8:33
#20178
10K
6.21 mi11:50:3853:588:4127:25
8:49
#20851
15K
9.32 mi12:17:191:20:398:3926:41
8:35
#20503
20K
12.43 mi12:44:331:47:538:4127:14
8:46
#20303
Half
13.11 mi12:50:261:53:468:415:53
8:37
#20289
25K
15.53 mi13:12:052:15:258:4321:39
8:56
#20167
30K
18.64 mi13:40:482:44:088:4828:43
9:15
#19892
20M
20.00 mi13:54:112:57:318:5313:23
9:51
#19968
21M
21.00 mi14:05:213:08:418:5911:10
11:10
#20122
35K
21.75 mi14:12:013:15:218:596:40
8:55
#20039
23M
23.00 mi14:24:003:27:209:0111:59
9:34
#19990
24M
24.00 mi14:34:093:37:299:0410:09
10:09
#20108
40K
24.85 mi14:42:173:45:379:058:08
9:31
#20049
25.2M
25.20 mi14:45:533:49:139:063:36
10:26
#20042
Finish
26.22 mi14:55:043:58:249:069:11
9:01
#20026
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi201787603760319875(Top 70%)7376(Top 60%)7376(Top 407%)
10K6.21 mi3.10 mi20851-6737968-3657968-36521525(Top 76%)8320(Top 68%)8320(Top 459%)
15K9.32 mi3.11 mi20503+3487754+2147754+21419875(Top 70%)7376(Top 60%)7376(Top 407%)
20K12.43 mi3.11 mi20303+2007650+1047650+10419777(Top 70%)7359(Top 60%)7359(Top 406%)
Half13.11 mi0.68 mi20289+147646+47646+419983(Top 70%)7471(Top 61%)7471(Top 412%)
25K15.53 mi2.42 mi20167+1227585+617585+6119591(Top 69%)7312(Top 60%)7312(Top 403%)
30K18.64 mi3.11 mi19892+2757460+1257460+12518873(Top 66%)7053(Top 58%)7053(Top 389%)
20M20.00 mi1.36 mi19968-767529-697529-6920454(Top 72%)8050(Top 66%)8050(Top 444%)
21M21.00 mi1.00 mi20122-1547652-1237652-12321814(Top 77%)8871(Top 73%)8871(Top 489%)
35K21.75 mi0.75 mi20039+837615+377615+3717857(Top 63%)6833(Top 56%)6833(Top 377%)
23M23.00 mi1.25 mi19990+497613+27613+218990(Top 67%)7513(Top 61%)7513(Top 414%)
24M24.00 mi1.00 mi20108-1187696-837696-8321804(Top 77%)9036(Top 74%)9036(Top 498%)
40K24.85 mi0.85 mi20049+597684+127684+1218788(Top 66%)7526(Top 62%)7526(Top 415%)
25.2M25.20 mi0.35 mi20042+77693-97693-918840(Top 66%)7551(Top 62%)7551(Top 416%)
Finish26.22 mi1.02 mi20026+167695-27695-219136(Top 67%)7686(Top 63%)7686(Top 424%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

19875

Females

7376

F45-49

7376

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21525

Females

8320

F45-49

8320

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

19875

Females

7376

F45-49

7376

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19777

Females

7359

F45-49

7359

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19983

Females

7471

F45-49

7471

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19591

Females

7312

F45-49

7312

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18873

Females

7053

F45-49

7053

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

20454

Females

8050

F45-49

8050

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21814

Females

8871

F45-49

8871

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

17857

Females

6833

F45-49

6833

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

18990

Females

7513

F45-49

7513

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21804

Females

9036

F45-49

9036

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18788

Females

7526

F45-49

7526

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18840

Females

7551

F45-49

7551

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

19136

Females

7686

F45-49

7686

Passing Analysis

Category:
Athletes Passed
1965
Passed By
1813
Net Change
+152
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20178
5K → 10K86759-673#20178#20851
10K → 15K41365+348#20851#20503
15K → 20K28181+200#20503#20303
20K → Half3925+14#20303#20289
Half → 25K21694+122#20289#20167
25K → 30K36590+275#20167#19892
30K → 20M86162-76#19892#19968
20M → 21M54208-154#19968#20122
21M → 35K10118+83#20122#20039
35K → 23M10556+49#20039#19990
23M → 24M31149-118#19990#20108
24M → 40K8021+59#20108#20049
40K → 25.2M3326+7#20049#20042
25.2M → Finish7559+16#20042#20026
TOTALS19651813+152
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing