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BOSTON MARATHON 2025

Molly Roudebush

Bib: 21629•F

KS

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 38%
Division (F50-54)
#0 / 1303
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:20
Rank: #19759
Start → 5K
26:20 | 8:29/mi
10K· 6.21 mi
52:41
Rank: #19708 (+51)
5K → 10K
26:21 | 8:29/mi
15K· 9.32 mi
1:18:48
Rank: #19379 (+329)
10K → 15K
26:07 | 8:24/mi
20K· 12.43 mi
1:44:30
Rank: #18711 (+668)
15K → 20K
25:42 | 8:16/mi
Half· 13.11 mi
1:50:01
Rank: #18594 (+117)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:09:41
Rank: #17921 (+673)
Half → 25K
19:40 | 8:07/mi
30K· 18.64 mi
2:36:29
Rank: #17436 (+485)
25K → 30K
26:48 | 8:38/mi
20M
2:48:27
Rank: #17290 (+146)
30K → 20M
11:58 | 8:48/mi
21M
2:57:28
Rank: #17023 (+267)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
3:04:02
Rank: #17026 (-3)
21M → 35K
6:34 | 8:47/mi
23M
3:15:37
Rank: #17052 (-26)
35K → 23M
11:35 | 9:15/mi
24M
3:24:40
Rank: #17080 (-28)
23M → 24M
9:03 | 9:03/mi
40K· 24.85 mi
3:32:23
Rank: #17057 (+23)
24M → 40K
7:43 | 9:02/mi
25.2M
3:35:41
Rank: #17010 (+47)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:44:22
Rank: #16988 (+22)
25.2M → Finish
8:41 | 8:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:01
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:54:21
Pace8:43 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1926:208:2926:20
8:29
-
10K
6.21 mi11:48:4052:418:2926:21
8:29
0:00
15K
9.32 mi12:14:471:18:488:2726:07
8:24
-0:05
20K
12.43 mi12:40:291:44:308:2525:42
8:16
-0:08
Half
13.11 mi12:46:001:50:018:245:31
8:05
-0:11
25K
15.53 mi13:05:402:09:418:2119:40
8:07
+0:02
30K
18.64 mi13:32:282:36:298:2426:48
8:38
+0:31
20M
20.00 mi13:44:262:48:278:2511:58
8:48
+0:10
21M
21.00 mi13:53:272:57:288:279:01
9:01
+0:13
35K
21.75 mi14:00:013:04:028:286:34
8:47
-0:14
23M
23.00 mi14:11:363:15:378:3011:35
9:15
+0:28
24M
24.00 mi14:20:393:24:408:329:03
9:03
-0:12
40K
24.85 mi14:28:223:32:238:337:43
9:02
-0:01
25.2M
25.20 mi14:31:403:35:418:343:18
9:34
+0:32
Finish
26.22 mi14:40:213:44:228:348:41
8:31
-1:03

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

8:05 /mi

Average Pace

8:34 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:42

82% of race

Time at Steady Pace

37:22

17% of race

Time at Slower Pace

3:18

1% of race

Average Pace: 8:33 /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 mi11:22:1926:208:2926:20
8:29
#19759
10K
6.21 mi11:48:4052:418:2926:21
8:29
#19708
15K
9.32 mi12:14:471:18:488:2726:07
8:24
#19379
20K
12.43 mi12:40:291:44:308:2525:42
8:16
#18711
Half
13.11 mi12:46:001:50:018:245:31
8:05
#18594
25K
15.53 mi13:05:402:09:418:2119:40
8:07
#17921
30K
18.64 mi13:32:282:36:298:2426:48
8:38
#17436
20M
20.00 mi13:44:262:48:278:2511:58
8:48
#17290
21M
21.00 mi13:53:272:57:288:279:01
9:01
#17023
35K
21.75 mi14:00:013:04:028:286:34
8:47
#17026
23M
23.00 mi14:11:363:15:378:3011:35
9:15
#17052
24M
24.00 mi14:20:393:24:408:329:03
9:03
#17080
40K
24.85 mi14:28:223:32:238:337:43
9:02
#17057
25.2M
25.20 mi14:31:403:35:418:343:18
9:34
#17010
Finish
26.22 mi14:40:213:44:228:348:41
8:31
#16988
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi197597364736418747(Top 66%)6751(Top 55%)6751(Top 518%)
10K6.21 mi3.10 mi19708+517302+627302+6219693(Top 69%)7297(Top 60%)7297(Top 560%)
15K9.32 mi3.11 mi19379+3297110+1927110+19218747(Top 66%)6751(Top 55%)6751(Top 518%)
20K12.43 mi3.11 mi18711+6686742+3686742+36816786(Top 59%)5660(Top 46%)5660(Top 434%)
Half13.11 mi0.68 mi18594+1176674+686674+6816588(Top 58%)5534(Top 45%)5534(Top 425%)
25K15.53 mi2.42 mi17921+6736308+3666308+36614734(Top 52%)4609(Top 38%)4609(Top 354%)
30K18.64 mi3.11 mi17436+4856077+2316077+23115549(Top 55%)5208(Top 43%)5208(Top 400%)
20M20.00 mi1.36 mi17290+1466018+596018+5915728(Top 55%)5441(Top 44%)5441(Top 418%)
21M21.00 mi1.00 mi17023+2675891+1275891+12713665(Top 48%)4460(Top 36%)4460(Top 342%)
35K21.75 mi0.75 mi17026-35915-245915-2417156(Top 60%)6435(Top 53%)6435(Top 494%)
23M23.00 mi1.25 mi17052-265965-505965-5017568(Top 62%)6765(Top 55%)6765(Top 519%)
24M24.00 mi1.00 mi17080-286006-416006-4117622(Top 62%)6827(Top 56%)6827(Top 524%)
40K24.85 mi0.85 mi17057+236021-156021-1516475(Top 58%)6298(Top 52%)6298(Top 483%)
25.2M25.20 mi0.35 mi17010+476006+156006+1515022(Top 53%)5569(Top 46%)5569(Top 427%)
Finish26.22 mi1.02 mi16988+226008-26008-216375(Top 58%)6235(Top 51%)6235(Top 479%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

18747

Females

6751

F50-54

6751

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19693

Females

7297

F50-54

7297

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

18747

Females

6751

F50-54

6751

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

16786

Females

5660

F50-54

5660

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16588

Females

5534

F50-54

5534

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14734

Females

4609

F50-54

4609

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

15549

Females

5208

F50-54

5208

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15728

Females

5441

F50-54

5441

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13665

Females

4460

F50-54

4460

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

17156

Females

6435

F50-54

6435

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17568

Females

6765

F50-54

6765

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17622

Females

6827

F50-54

6827

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16475

Females

6298

F50-54

6298

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15022

Females

5569

F50-54

5569

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16375

Females

6235

F50-54

6235

Passing Analysis

Category:
Athletes Passed
3578
Passed By
807
Net Change
+2771
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19759
5K → 10K284233+51#19759#19708
10K → 15K39364+329#19708#19379
15K → 20K6779+668#19379#18711
20K → Half1247+117#18711#18594
Half → 25K6763+673#18594#17921
25K → 30K51530+485#17921#17436
30K → 20M18438+146#17436#17290
20M → 21M2736+267#17290#17023
21M → 35K6467-3#17023#17026
35K → 23M107133-26#17026#17052
23M → 24M73101-28#17052#17080
24M → 40K7552+23#17080#17057
40K → 25.2M569+47#17057#17010
25.2M → Finish7755+22#17010#16988
TOTALS3578807+2771
📊

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