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BOSTON MARATHON 2025

Rebecca Mullins

Bib: 20977•F

IL

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
26:56
Rank: #20870
Start → 5K
26:56 | 8:40/mi
10K· 6.21 mi
53:40
Rank: #20592 (+278)
5K → 10K
26:44 | 8:36/mi
15K· 9.32 mi
1:20:59
Rank: #20704 (-112)
10K → 15K
27:19 | 8:48/mi
20K· 12.43 mi
1:48:27
Rank: #20564 (+140)
15K → 20K
27:28 | 8:50/mi
Half· 13.11 mi
1:54:29
Rank: #20588 (-24)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:16:10
Rank: #20438 (+150)
Half → 25K
21:41 | 8:57/mi
30K· 18.64 mi
2:44:29
Rank: #20008 (+430)
25K → 30K
28:19 | 9:07/mi
20M
2:56:50
Rank: #19788 (+220)
30K → 20M
12:21 | 9:05/mi
21M
3:06:10
Rank: #19514 (+274)
20M → 21M
9:20 | 9:20/mi
35K· 21.75 mi
3:12:51
Rank: #19457 (+57)
21M → 35K
6:41 | 8:56/mi
23M
3:24:08
Rank: #19285 (+172)
35K → 23M
11:17 | 9:01/mi
24M
3:33:10
Rank: #19204 (+81)
23M → 24M
9:02 | 9:02/mi
40K· 24.85 mi
3:41:04
Rank: #19135 (+69)
24M → 40K
7:54 | 9:14/mi
25.2M
3:44:30
Rank: #19082 (+53)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:53:40
Rank: #19071 (+11)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:29
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time1:59:11
Pace9:06 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3526:568:4026:56
8:40
-
10K
6.21 mi11:50:1953:408:3826:44
8:36
-0:04
15K
9.32 mi12:17:381:20:598:4127:19
8:48
+0:12
20K
12.43 mi12:45:061:48:278:4427:28
8:50
+0:02
Half
13.11 mi12:51:081:54:298:446:02
8:51
+0:01
25K
15.53 mi13:12:492:16:108:4621:41
8:57
+0:06
30K
18.64 mi13:41:082:44:298:4928:19
9:07
+0:10
20M
20.00 mi13:53:292:56:508:5012:21
9:05
-0:02
21M
21.00 mi14:02:493:06:108:529:20
9:20
+0:15
35K
21.75 mi14:09:303:12:518:526:41
8:56
-0:24
23M
23.00 mi14:20:473:24:088:5311:17
9:01
+0:05
24M
24.00 mi14:29:493:33:108:539:02
9:02
+0:01
40K
24.85 mi14:37:433:41:048:547:54
9:14
+0:12
25.2M
25.20 mi14:41:093:44:308:553:26
9:57
+0:43
Finish
26.22 mi14:50:193:53:408:559:10
9:00
-0:57

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

8:36 /mi

Average Pace

8:55 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:50:14

99% of race

Time at Steady Pace

3:26

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:55 /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 mi11:23:3526:568:4026:56
8:40
#20870
10K
6.21 mi11:50:1953:408:3826:44
8:36
#20592
15K
9.32 mi12:17:381:20:598:4127:19
8:48
#20704
20K
12.43 mi12:45:061:48:278:4427:28
8:50
#20564
Half
13.11 mi12:51:081:54:298:446:02
8:51
#20588
25K
15.53 mi13:12:492:16:108:4621:41
8:57
#20438
30K
18.64 mi13:41:082:44:298:4928:19
9:07
#20008
20M
20.00 mi13:53:292:56:508:5012:21
9:05
#19788
21M
21.00 mi14:02:493:06:108:529:20
9:20
#19514
35K
21.75 mi14:09:303:12:518:526:41
8:56
#19457
23M
23.00 mi14:20:473:24:088:5311:17
9:01
#19285
24M
24.00 mi14:29:493:33:108:539:02
9:02
#19204
40K
24.85 mi14:37:433:41:048:547:54
9:14
#19135
25.2M
25.20 mi14:41:093:44:308:553:26
9:57
#19082
Finish
26.22 mi14:50:193:53:408:559:10
9:00
#19071
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi208708007800720991(Top 74%)7995(Top 65%)7995(Top 441%)
10K6.21 mi3.10 mi20592+2787822+1857822+18520382(Top 72%)7677(Top 63%)7677(Top 423%)
15K9.32 mi3.11 mi20704-1127864-427864-4220991(Top 74%)7995(Top 65%)7995(Top 441%)
20K12.43 mi3.11 mi20564+1407794+707794+7020162(Top 71%)7570(Top 62%)7570(Top 418%)
Half13.11 mi0.68 mi20588-247808-147808-1421123(Top 74%)8094(Top 66%)8094(Top 446%)
25K15.53 mi2.42 mi20438+1507735+737735+7319663(Top 69%)7344(Top 60%)7344(Top 405%)
30K18.64 mi3.11 mi20008+4307531+2047531+20418253(Top 64%)6719(Top 55%)6719(Top 371%)
20M20.00 mi1.36 mi19788+2207426+1057426+10517278(Top 61%)6302(Top 52%)6302(Top 348%)
21M21.00 mi1.00 mi19514+2747294+1327294+13215354(Top 54%)5384(Top 44%)5384(Top 297%)
35K21.75 mi0.75 mi19457+577277+177277+1717952(Top 63%)6878(Top 56%)6878(Top 379%)
23M23.00 mi1.25 mi19285+1727210+677210+6716366(Top 58%)6103(Top 50%)6103(Top 337%)
24M24.00 mi1.00 mi19204+817186+247186+2417564(Top 62%)6800(Top 56%)6800(Top 375%)
40K24.85 mi0.85 mi19135+697167+197167+1917573(Top 62%)6906(Top 56%)6906(Top 381%)
25.2M25.20 mi0.35 mi19082+537156+117156+1116897(Top 59%)6551(Top 54%)6551(Top 361%)
Finish26.22 mi1.02 mi19071+117168-127168-1219044(Top 67%)7623(Top 62%)7623(Top 420%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

20991

Females

7995

F45-49

7995

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20382

Females

7677

F45-49

7677

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

20991

Females

7995

F45-49

7995

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20162

Females

7570

F45-49

7570

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21123

Females

8094

F45-49

8094

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19663

Females

7344

F45-49

7344

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18253

Females

6719

F45-49

6719

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

17278

Females

6302

F45-49

6302

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15354

Females

5384

F45-49

5384

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

17952

Females

6878

F45-49

6878

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16366

Females

6103

F45-49

6103

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17564

Females

6800

F45-49

6800

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17573

Females

6906

F45-49

6906

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16897

Females

6551

F45-49

6551

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

19044

Females

7623

F45-49

7623

Passing Analysis

Category:
Athletes Passed
2676
Passed By
877
Net Change
+1799
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20870
5K → 10K449171+278#20870#20592
10K → 15K151263-112#20592#20704
15K → 20K252112+140#20704#20564
20K → Half2751-24#20564#20588
Half → 25K22171+150#20588#20438
25K → 30K47646+430#20438#20008
30K → 20M23717+220#20008#19788
20M → 21M2795+274#19788#19514
21M → 35K8225+57#19514#19457
35K → 23M18311+172#19457#19285
23M → 24M10827+81#19285#19204
24M → 40K10031+69#19204#19135
40K → 25.2M618+53#19135#19082
25.2M → Finish5039+11#19082#19071
TOTALS2676877+1799
📊

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