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BOSTON MARATHON 2025

Carolyn Smith

Bib: 11034•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Masters (Masters Women)
#0 / 6759
Top 5%
Division (F50-54)
#0 / 1303
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:03
Rank: #8635
Start → 5K
22:03 | 7:06/mi
10K· 6.21 mi
43:45
Rank: #8185 (+450)
5K → 10K
21:42 | 6:59/mi
15K· 9.32 mi
1:06:17
Rank: #8588 (-403)
10K → 15K
22:32 | 7:15/mi
20K· 12.43 mi
1:29:28
Rank: #8988 (-400)
15K → 20K
23:11 | 7:28/mi
Half· 13.11 mi
1:34:28
Rank: #9044 (-56)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:53:08
Rank: #9426 (-382)
Half → 25K
18:40 | 7:42/mi
30K· 18.64 mi
2:17:05
Rank: #9310 (+116)
25K → 30K
23:57 | 7:43/mi
20M
2:27:42
Rank: #9269 (+41)
30K → 20M
10:37 | 7:49/mi
21M
2:35:57
Rank: #9209 (+60)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:41:37
Rank: #9171 (+38)
21M → 35K
5:40 | 7:34/mi
23M
2:51:31
Rank: #9123 (+48)
35K → 23M
9:54 | 7:54/mi
24M
2:59:20
Rank: #9147 (-24)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
3:06:08
Rank: #9150 (-3)
24M → 40K
6:48 | 7:57/mi
25.2M
3:09:08
Rank: #9146 (+4)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:16:51
Rank: #9152 (-6)
25.2M → Finish
7:43 | 7:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:28
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:42:23
Pace7:49 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5122:037:0622:03
7:06
-
10K
6.21 mi11:10:3343:457:0221:42
6:59
-0:07
15K
9.32 mi11:33:051:06:177:0722:32
7:15
+0:16
20K
12.43 mi11:56:161:29:287:1223:11
7:28
+0:13
Half
13.11 mi12:01:161:34:287:125:00
7:20
-0:08
25K
15.53 mi12:19:561:53:087:1718:40
7:42
+0:22
30K
18.64 mi12:43:532:17:057:2123:57
7:43
+0:01
20M
20.00 mi12:54:302:27:427:2310:37
7:49
+0:06
21M
21.00 mi13:02:452:35:577:268:15
8:15
+0:26
35K
21.75 mi13:08:252:41:377:265:40
7:34
-0:41
23M
23.00 mi13:18:192:51:317:279:54
7:54
+0:20
24M
24.00 mi13:26:082:59:207:287:49
7:49
-0:05
40K
24.85 mi13:32:563:06:087:296:48
7:57
+0:08
25.2M
25.20 mi13:35:563:09:087:303:00
8:42
+0:45
Finish
26.22 mi13:43:393:16:517:317:43
7:34
-1:08

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

6:59 /mi

Average Pace

7:31 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:28

48% of race

Time at Steady Pace

1:24:20

43% of race

Time at Slower Pace

18:03

9% of race

Average Pace: 7:30 /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 mi10:48:5122:037:0622:03
7:06
#8635
10K
6.21 mi11:10:3343:457:0221:42
6:59
#8185
15K
9.32 mi11:33:051:06:177:0722:32
7:15
#8588
20K
12.43 mi11:56:161:29:287:1223:11
7:28
#8988
Half
13.11 mi12:01:161:34:287:125:00
7:20
#9044
25K
15.53 mi12:19:561:53:087:1718:40
7:42
#9426
30K
18.64 mi12:43:532:17:057:2123:57
7:43
#9310
20M
20.00 mi12:54:302:27:427:2310:37
7:49
#9269
21M
21.00 mi13:02:452:35:577:268:15
8:15
#9209
35K
21.75 mi13:08:252:41:377:265:40
7:34
#9171
23M
23.00 mi13:18:192:51:317:279:54
7:54
#9123
24M
24.00 mi13:26:082:59:207:287:49
7:49
#9147
40K
24.85 mi13:32:563:06:087:296:48
7:57
#9150
25.2M
25.20 mi13:35:563:09:087:303:00
8:42
#9146
Finish
26.22 mi13:43:393:16:517:317:43
7:34
#9152
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi8635121712179598(Top 34%)1702(Top 14%)1702(Top 131%)
10K6.21 mi3.10 mi8185+4501063+1541063+1547840(Top 28%)956(Top 8%)956(Top 73%)
15K9.32 mi3.11 mi8588-4031227-1641227-1649598(Top 34%)1702(Top 14%)1702(Top 131%)
20K12.43 mi3.11 mi8988-4001410-1831410-18310439(Top 37%)2177(Top 18%)2177(Top 167%)
Half13.11 mi0.68 mi9044-561439-291439-2910304(Top 36%)2084(Top 17%)2084(Top 160%)
25K15.53 mi2.42 mi9426-3821643-2041643-20411531(Top 41%)2860(Top 23%)2860(Top 219%)
30K18.64 mi3.11 mi9310+116164316439253(Top 33%)1942(Top 16%)1942(Top 149%)
20M20.00 mi1.36 mi9269+411659-161659-169129(Top 32%)2034(Top 17%)2034(Top 156%)
21M21.00 mi1.00 mi9209+601666-71666-78915(Top 31%)2120(Top 17%)2120(Top 163%)
35K21.75 mi0.75 mi9171+381670-41670-49181(Top 32%)2203(Top 18%)2203(Top 169%)
23M23.00 mi1.25 mi9123+481695-251695-259354(Top 33%)2421(Top 20%)2421(Top 186%)
24M24.00 mi1.00 mi9147-241732-371732-379941(Top 35%)2771(Top 23%)2771(Top 213%)
40K24.85 mi0.85 mi9150-31771-391771-399865(Top 35%)2845(Top 23%)2845(Top 218%)
25.2M25.20 mi0.35 mi9146+41792-211792-2110031(Top 35%)3018(Top 25%)3018(Top 232%)
Finish26.22 mi1.02 mi9152-61834-421834-429754(Top 34%)2872(Top 23%)2872(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9598

Females

1702

F50-54

1702

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7840

Females

956

F50-54

956

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9598

Females

1702

F50-54

1702

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

10439

Females

2177

F50-54

2177

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10304

Females

2084

F50-54

2084

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11531

Females

2860

F50-54

2860

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9253

Females

1942

F50-54

1942

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

9129

Females

2034

F50-54

2034

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8915

Females

2120

F50-54

2120

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9181

Females

2203

F50-54

2203

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9354

Females

2421

F50-54

2421

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9941

Females

2771

F50-54

2771

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9865

Females

2845

F50-54

2845

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10031

Females

3018

F50-54

3018

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9754

Females

2872

F50-54

2872

Passing Analysis

Category:
Athletes Passed
1714
Passed By
2231
Net Change
-517
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8635
5K → 10K51464+450#8635#8185
10K → 15K53456-403#8185#8588
15K → 20K74474-400#8588#8988
20K → Half2278-56#8988#9044
Half → 25K75457-382#9044#9426
25K → 30K271155+116#9426#9310
30K → 20M11978+41#9310#9269
20M → 21M12464+60#9269#9209
21M → 35K6527+38#9209#9171
35K → 23M12981+48#9171#9123
23M → 24M7296-24#9123#9147
24M → 40K8386-3#9147#9150
40K → 25.2M3632+4#9150#9146
25.2M → Finish7783-6#9146#9152
TOTALS17142231-517
📊

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