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BOSTON MARATHON 2025

Marylene Lopes

Bib: 20653•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Masters (Masters Women)
#0 / 6759
Top 31%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:36
Rank: #18364
Start → 5K
25:36 | 8:14/mi
10K· 6.21 mi
51:17
Rank: #18328 (+36)
5K → 10K
25:41 | 8:16/mi
15K· 9.32 mi
1:16:43
Rank: #17970 (+358)
10K → 15K
25:26 | 8:11/mi
20K· 12.43 mi
1:42:13
Rank: #17518 (+452)
15K → 20K
25:30 | 8:12/mi
Half· 13.11 mi
1:47:45
Rank: #17462 (+56)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:08:00
Rank: #17209 (+253)
Half → 25K
20:15 | 8:21/mi
30K· 18.64 mi
2:34:58
Rank: #16906 (+303)
25K → 30K
26:58 | 8:41/mi
20M
2:46:44
Rank: #16744 (+162)
30K → 20M
11:46 | 8:40/mi
21M
2:55:52
Rank: #16544 (+200)
20M → 21M
9:08 | 9:08/mi
35K· 21.75 mi
3:02:02
Rank: #16418 (+126)
21M → 35K
6:10 | 8:15/mi
23M
3:12:38
Rank: #16177 (+241)
35K → 23M
10:36 | 8:28/mi
24M
3:21:06
Rank: #16082 (+95)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:28:26
Rank: #15984 (+98)
24M → 40K
7:20 | 8:35/mi
25.2M
3:31:29
Rank: #15889 (+95)
40K → 25.2M
3:03 | 8:49/mi
Finish· 26.22 mi
3:40:28
Rank: #15990 (-101)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:45
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:52:43
Pace8:36 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2225:368:1425:36
8:14
-
10K
6.21 mi11:44:0351:178:1525:41
8:16
+0:02
15K
9.32 mi12:09:291:16:438:1425:26
8:11
-0:05
20K
12.43 mi12:34:591:42:138:1425:30
8:12
+0:01
Half
13.11 mi12:40:311:47:458:135:32
8:07
-0:05
25K
15.53 mi13:00:462:08:008:1420:15
8:21
+0:14
30K
18.64 mi13:27:442:34:588:1926:58
8:41
+0:20
20M
20.00 mi13:39:302:46:448:2011:46
8:40
-0:01
21M
21.00 mi13:48:382:55:528:229:08
9:08
+0:28
35K
21.75 mi13:54:483:02:028:226:10
8:15
-0:53
23M
23.00 mi14:05:243:12:388:2310:36
8:28
+0:13
24M
24.00 mi14:13:523:21:068:238:28
8:28
0:00
40K
24.85 mi14:21:123:28:268:237:20
8:35
+0:07
25.2M
25.20 mi14:24:153:31:298:243:03
8:49
+0:14
Finish
26.22 mi14:33:143:40:288:258:59
8:49
0:00

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

8:07 /mi

Average Pace

8:25 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:20

96% of race

Time at Steady Pace

9:08

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:25 /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 mi11:18:2225:368:1425:36
8:14
#18364
10K
6.21 mi11:44:0351:178:1525:41
8:16
#18328
15K
9.32 mi12:09:291:16:438:1425:26
8:11
#17970
20K
12.43 mi12:34:591:42:138:1425:30
8:12
#17518
Half
13.11 mi12:40:311:47:458:135:32
8:07
#17462
25K
15.53 mi13:00:462:08:008:1420:15
8:21
#17209
30K
18.64 mi13:27:442:34:588:1926:58
8:41
#16906
20M
20.00 mi13:39:302:46:448:2011:46
8:40
#16744
21M
21.00 mi13:48:382:55:528:229:08
9:08
#16544
35K
21.75 mi13:54:483:02:028:226:10
8:15
#16418
23M
23.00 mi14:05:243:12:388:2310:36
8:28
#16177
24M
24.00 mi14:13:523:21:068:238:28
8:28
#16082
40K
24.85 mi14:21:123:28:268:237:20
8:35
#15984
25.2M
25.20 mi14:24:153:31:298:243:03
8:49
#15889
Finish
26.22 mi14:33:143:40:288:258:59
8:49
#15990
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi183646561656117315(Top 61%)5906(Top 48%)5906(Top 344%)
10K6.21 mi3.10 mi18328+366519+426519+4218346(Top 65%)6512(Top 53%)6512(Top 379%)
15K9.32 mi3.11 mi17970+3586310+2096310+20917315(Top 61%)5906(Top 48%)5906(Top 344%)
20K12.43 mi3.11 mi17518+4526042+2686042+26816359(Top 58%)5417(Top 44%)5417(Top 315%)
Half13.11 mi0.68 mi17462+566010+326010+3216722(Top 59%)5597(Top 46%)5597(Top 326%)
25K15.53 mi2.42 mi17209+2535885+1255885+12516256(Top 57%)5455(Top 45%)5455(Top 318%)
30K18.64 mi3.11 mi16906+3035756+1295756+12915882(Top 56%)5390(Top 44%)5390(Top 314%)
20M20.00 mi1.36 mi16744+1625685+715685+7114836(Top 52%)4964(Top 41%)4964(Top 289%)
21M21.00 mi1.00 mi16544+2005604+815604+8114301(Top 50%)4794(Top 39%)4794(Top 279%)
35K21.75 mi0.75 mi16418+1265552+525552+5213949(Top 49%)4661(Top 38%)4661(Top 271%)
23M23.00 mi1.25 mi16177+2415451+1015451+10113139(Top 46%)4348(Top 36%)4348(Top 253%)
24M24.00 mi1.00 mi16082+955427+245427+2414326(Top 50%)4995(Top 41%)4995(Top 291%)
40K24.85 mi0.85 mi15984+985395+325395+3213957(Top 49%)4943(Top 40%)4943(Top 288%)
25.2M25.20 mi0.35 mi15889+955357+385357+3810756(Top 38%)3412(Top 28%)3412(Top 199%)
Finish26.22 mi1.02 mi15990-1015424-675424-6718172(Top 64%)7181(Top 59%)7181(Top 418%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17315

Females

5906

F40-44

5906

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18346

Females

6512

F40-44

6512

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17315

Females

5906

F40-44

5906

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16359

Females

5417

F40-44

5417

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

16722

Females

5597

F40-44

5597

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16256

Females

5455

F40-44

5455

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15882

Females

5390

F40-44

5390

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

14836

Females

4964

F40-44

4964

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14301

Females

4794

F40-44

4794

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13949

Females

4661

F40-44

4661

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13139

Females

4348

F40-44

4348

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14326

Females

4995

F40-44

4995

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13957

Females

4943

F40-44

4943

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10756

Females

3412

F40-44

3412

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18172

Females

7181

F40-44

7181

Passing Analysis

Category:
Athletes Passed
3076
Passed By
702
Net Change
+2374
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18364
5K → 10K274238+36#18364#18328
10K → 15K40547+358#18328#17970
15K → 20K48230+452#17970#17518
20K → Half637+56#17518#17462
Half → 25K30956+253#17462#17209
25K → 30K37673+303#17209#16906
30K → 20M19028+162#16906#16744
20M → 21M21212+200#16744#16544
21M → 35K1348+126#16544#16418
35K → 23M25413+241#16418#16177
23M → 24M12227+95#16177#16082
24M → 40K11820+98#16082#15984
40K → 25.2M994+95#15984#15889
25.2M → Finish38139-101#15889#15990
TOTALS3076702+2374
📊

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