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BOSTON MARATHON 2025

Molly Romero

Bib: 21858•F

OR

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
26:12
Rank: #19501
Start → 5K
26:12 | 8:26/mi
10K· 6.21 mi
53:12
Rank: #20206 (-705)
5K → 10K
27:00 | 8:41/mi
15K· 9.32 mi
1:20:30
Rank: #20406 (-200)
10K → 15K
27:18 | 8:47/mi
20K· 12.43 mi
1:47:55
Rank: #20315 (+91)
15K → 20K
27:25 | 8:49/mi
Half· 13.11 mi
1:53:42
Rank: #20264 (+51)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:15:30
Rank: #20196 (+68)
Half → 25K
21:48 | 8:59/mi
30K· 18.64 mi
2:45:45
Rank: #20336 (-140)
25K → 30K
30:15 | 9:44/mi
20M
2:58:47
Rank: #20264 (+72)
30K → 20M
13:02 | 9:35/mi
21M
3:08:38
Rank: #20105 (+159)
20M → 21M
9:51 | 9:51/mi
35K· 21.75 mi
3:15:46
Rank: #20136 (-31)
21M → 35K
7:08 | 9:32/mi
23M
3:27:14
Rank: #19968 (+168)
35K → 23M
11:28 | 9:09/mi
24M
3:36:36
Rank: #19928 (+40)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
3:44:40
Rank: #19864 (+64)
24M → 40K
8:04 | 9:26/mi
25.2M
3:48:27
Rank: #19886 (-22)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:57:25
Rank: #19823 (+63)
25.2M → Finish
8:58 | 8:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:42
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:03:43
Pace9:26 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4926:128:2626:12
8:26
-
10K
6.21 mi11:47:4953:128:3427:00
8:41
+0:15
15K
9.32 mi12:15:071:20:308:3827:18
8:47
+0:06
20K
12.43 mi12:42:321:47:558:4127:25
8:49
+0:02
Half
13.11 mi12:48:191:53:428:405:47
8:29
-0:20
25K
15.53 mi13:10:072:15:308:4321:48
8:59
+0:30
30K
18.64 mi13:40:222:45:458:5330:15
9:44
+0:45
20M
20.00 mi13:53:242:58:478:5613:02
9:35
-0:09
21M
21.00 mi14:03:153:08:388:599:51
9:51
+0:16
35K
21.75 mi14:10:233:15:469:007:08
9:32
-0:19
23M
23.00 mi14:21:513:27:149:0111:28
9:09
-0:23
24M
24.00 mi14:31:133:36:369:029:22
9:22
+0:13
40K
24.85 mi14:39:173:44:409:028:04
9:26
+0:04
25.2M
25.20 mi14:43:043:48:279:043:47
10:58
+1:32
Finish
26.22 mi14:52:023:57:259:048:58
8:48
-2:10

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

8:26 /mi

Average Pace

9:04 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:40

52% of race

Time at Steady Pace

50:42

21% of race

Time at Slower Pace

1:04:03

27% of race

Average Pace: 9:03 /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 mi11:20:4926:128:2626:12
8:26
#19501
10K
6.21 mi11:47:4953:128:3427:00
8:41
#20206
15K
9.32 mi12:15:071:20:308:3827:18
8:47
#20406
20K
12.43 mi12:42:321:47:558:4127:25
8:49
#20315
Half
13.11 mi12:48:191:53:428:405:47
8:29
#20264
25K
15.53 mi13:10:072:15:308:4321:48
8:59
#20196
30K
18.64 mi13:40:222:45:458:5330:15
9:44
#20336
20M
20.00 mi13:53:242:58:478:5613:02
9:35
#20264
21M
21.00 mi14:03:153:08:388:599:51
9:51
#20105
35K
21.75 mi14:10:233:15:469:007:08
9:32
#20136
23M
23.00 mi14:21:513:27:149:0111:28
9:09
#19968
24M
24.00 mi14:31:133:36:369:029:22
9:22
#19928
40K
24.85 mi14:39:173:44:409:028:04
9:26
#19864
25.2M
25.20 mi14:43:043:48:279:043:47
10:58
#19886
Finish
26.22 mi14:52:023:57:259:048:58
8:48
#19823
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi195017195719520971(Top 74%)7985(Top 65%)7985(Top 440%)
10K6.21 mi3.10 mi20206-7057596-4017596-40120828(Top 73%)7932(Top 65%)7932(Top 438%)
15K9.32 mi3.11 mi20406-2007704-1087704-10820971(Top 74%)7985(Top 65%)7985(Top 440%)
20K12.43 mi3.11 mi20315+917658+467658+4620083(Top 71%)7526(Top 62%)7526(Top 415%)
Half13.11 mi0.68 mi20264+517633+257633+2519123(Top 67%)6982(Top 57%)6982(Top 385%)
25K15.53 mi2.42 mi20196+687604+297604+2919861(Top 70%)7457(Top 61%)7457(Top 411%)
30K18.64 mi3.11 mi20336-1407720-1167720-11620799(Top 73%)8117(Top 66%)8117(Top 448%)
20M20.00 mi1.36 mi20264+727703+177703+1719585(Top 69%)7573(Top 62%)7573(Top 418%)
21M21.00 mi1.00 mi20105+1597641+627641+6217727(Top 62%)6660(Top 54%)6660(Top 367%)
35K21.75 mi0.75 mi20136-317668-277668-2720459(Top 72%)8221(Top 67%)8221(Top 453%)
23M23.00 mi1.25 mi19968+1687604+647604+6417166(Top 60%)6544(Top 54%)6544(Top 361%)
24M24.00 mi1.00 mi19928+407606-27606-219112(Top 67%)7605(Top 62%)7605(Top 419%)
40K24.85 mi0.85 mi19864+647590+167590+1618457(Top 65%)7365(Top 60%)7365(Top 406%)
25.2M25.20 mi0.35 mi19886-227604-147604-1420559(Top 72%)8437(Top 69%)8437(Top 465%)
Finish26.22 mi1.02 mi19823+637583+217583+2118073(Top 64%)7130(Top 58%)7130(Top 393%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

20971

Females

7985

F45-49

7985

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20828

Females

7932

F45-49

7932

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

20971

Females

7985

F45-49

7985

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20083

Females

7526

F45-49

7526

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

19123

Females

6982

F45-49

6982

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

19861

Females

7457

F45-49

7457

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20799

Females

8117

F45-49

8117

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19585

Females

7573

F45-49

7573

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17727

Females

6660

F45-49

6660

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

20459

Females

8221

F45-49

8221

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

17166

Females

6544

F45-49

6544

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

19112

Females

7605

F45-49

7605

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18457

Females

7365

F45-49

7365

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20559

Females

8437

F45-49

8437

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18073

Females

7130

F45-49

7130

Passing Analysis

Category:
Athletes Passed
1673
Passed By
1995
Net Change
-322
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19501
5K → 10K69774-705#19501#20206
10K → 15K125325-200#20206#20406
15K → 20K217126+91#20406#20315
20K → Half6211+51#20315#20264
Half → 25K194126+68#20264#20196
25K → 30K186326-140#20196#20336
30K → 20M12957+72#20336#20264
20M → 21M17920+159#20264#20105
21M → 35K4778-31#20105#20136
35K → 23M18416+168#20136#19968
23M → 24M8141+40#19968#19928
24M → 40K9329+64#19928#19864
40K → 25.2M2042-22#19864#19886
25.2M → Finish8724+63#19886#19823
TOTALS16731995-322
📊

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