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BOSTON MARATHON 2025

Margarita Mera

Bib: 24447•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:52
Rank: #22302
Start → 5K
27:52 | 8:58/mi
10K· 6.21 mi
55:50
Rank: #22374 (-72)
5K → 10K
27:58 | 9:00/mi
15K· 9.32 mi
1:24:12
Rank: #22425 (-51)
10K → 15K
28:22 | 9:08/mi
20K· 12.43 mi
1:53:12
Rank: #22394 (+31)
15K → 20K
29:00 | 9:20/mi
Half· 13.11 mi
1:59:28
Rank: #22394
20K → Half
6:16 | 9:11/mi
25K· 15.53 mi
2:23:00
Rank: #22453 (-59)
Half → 25K
23:32 | 9:42/mi
30K· 18.64 mi
2:53:54
Rank: #22266 (+187)
25K → 30K
30:54 | 9:57/mi
20M
3:07:45
Rank: #22209 (+57)
30K → 20M
13:51 | 10:12/mi
21M
3:18:29
Rank: #22092 (+117)
20M → 21M
10:44 | 10:44/mi
35K· 21.75 mi
3:25:34
Rank: #22009 (+83)
21M → 35K
7:05 | 9:28/mi
23M
3:38:08
Rank: #21901 (+108)
35K → 23M
12:34 | 10:02/mi
24M
3:48:14
Rank: #21889 (+12)
23M → 24M
10:06 | 10:06/mi
40K· 24.85 mi
3:57:04
Rank: #21872 (+17)
24M → 40K
8:50 | 10:20/mi
25.2M
4:00:57
Rank: #21852 (+20)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
4:11:14
Rank: #21895 (-43)
25.2M → Finish
10:17 | 10:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:28
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:11:46
Pace10:03 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:3727:528:5827:52
8:58
-
10K
6.21 mi11:53:3555:508:5927:58
9:00
+0:02
15K
9.32 mi12:21:571:24:129:0228:22
9:08
+0:08
20K
12.43 mi12:50:571:53:129:0729:00
9:20
+0:12
Half
13.11 mi12:57:131:59:289:076:16
9:11
-0:09
25K
15.53 mi13:20:452:23:009:1223:32
9:42
+0:31
30K
18.64 mi13:51:392:53:549:2030:54
9:57
+0:15
20M
20.00 mi14:05:303:07:459:2313:51
10:12
+0:15
21M
21.00 mi14:16:143:18:299:2710:44
10:44
+0:32
35K
21.75 mi14:23:193:25:349:277:05
9:28
-1:16
23M
23.00 mi14:35:533:38:089:2912:34
10:02
+0:34
24M
24.00 mi14:45:593:48:149:3110:06
10:06
+0:04
40K
24.85 mi14:54:493:57:049:328:50
10:20
+0:14
25.2M
25.20 mi14:58:424:00:579:343:53
11:16
+0:56
Finish
26.22 mi15:08:594:11:149:3510:17
10:05
-1:11

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

8:58 /mi

Average Pace

9:35 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:33

50% of race

Time at Steady Pace

1:41:14

40% of race

Time at Slower Pace

23:27

9% of race

Average Pace: 9:35 /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 mi11:25:3727:528:5827:52
8:58
#22302
10K
6.21 mi11:53:3555:508:5927:58
9:00
#22374
15K
9.32 mi12:21:571:24:129:0228:22
9:08
#22425
20K
12.43 mi12:50:571:53:129:0729:00
9:20
#22394
Half
13.11 mi12:57:131:59:289:076:16
9:11
#22394
25K
15.53 mi13:20:452:23:009:1223:32
9:42
#22453
30K
18.64 mi13:51:392:53:549:2030:54
9:57
#22266
20M
20.00 mi14:05:303:07:459:2313:51
10:12
#22209
21M
21.00 mi14:16:143:18:299:2710:44
10:44
#22092
35K
21.75 mi14:23:193:25:349:277:05
9:28
#22009
23M
23.00 mi14:35:533:38:089:2912:34
10:02
#21901
24M
24.00 mi14:45:593:48:149:3110:06
10:06
#21889
40K
24.85 mi14:54:493:57:049:328:50
10:20
#21872
25.2M
25.20 mi14:58:424:00:579:343:53
11:16
#21852
Finish
26.22 mi15:08:594:11:149:3510:17
10:05
#21895
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi223028797879722596(Top 80%)8888(Top 73%)8888(Top 894%)
10K6.21 mi3.10 mi22374-728825-288825-2822401(Top 79%)8815(Top 72%)8815(Top 887%)
15K9.32 mi3.11 mi22425-518822+38822+322596(Top 80%)8888(Top 73%)8888(Top 894%)
20K12.43 mi3.11 mi22394+318811+118811+1122379(Top 79%)8793(Top 72%)8793(Top 885%)
Half13.11 mi0.68 mi223948816-58816-522559(Top 79%)8910(Top 73%)8910(Top 896%)
25K15.53 mi2.42 mi22453-598841-258841-2522519(Top 79%)8942(Top 73%)8942(Top 900%)
30K18.64 mi3.11 mi22266+1878774+678774+6721446(Top 76%)8480(Top 69%)8480(Top 853%)
20M20.00 mi1.36 mi22209+578758+168758+1621555(Top 76%)8660(Top 71%)8660(Top 871%)
21M21.00 mi1.00 mi22092+1178715+438715+4320695(Top 73%)8294(Top 68%)8294(Top 834%)
35K21.75 mi0.75 mi22009+838681+348681+3420257(Top 71%)8115(Top 66%)8115(Top 816%)
23M23.00 mi1.25 mi21901+1088660+218660+2120622(Top 73%)8366(Top 68%)8366(Top 842%)
24M24.00 mi1.00 mi21889+128679-198679-1921653(Top 76%)8941(Top 73%)8941(Top 899%)
40K24.85 mi0.85 mi21872+178690-118690-1121485(Top 76%)8919(Top 73%)8919(Top 897%)
25.2M25.20 mi0.35 mi21852+208685+58685+521450(Top 76%)8883(Top 73%)8883(Top 894%)
Finish26.22 mi1.02 mi21895-438722-378722-3723199(Top 82%)9765(Top 80%)9765(Top 982%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22596

Females

8888

F55-59

8888

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22401

Females

8815

F55-59

8815

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22596

Females

8888

F55-59

8888

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22379

Females

8793

F55-59

8793

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

22559

Females

8910

F55-59

8910

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22519

Females

8942

F55-59

8942

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21446

Females

8480

F55-59

8480

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21555

Females

8660

F55-59

8660

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

20695

Females

8294

F55-59

8294

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20257

Females

8115

F55-59

8115

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20622

Females

8366

F55-59

8366

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21653

Females

8941

F55-59

8941

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21485

Females

8919

F55-59

8919

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21450

Females

8883

F55-59

8883

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23199

Females

9765

F55-59

9765

Passing Analysis

Category:
Athletes Passed
1661
Passed By
1254
Net Change
+407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22302
5K → 10K229301-72#22302#22374
10K → 15K158209-51#22374#22425
15K → 20K191160+31#22425#22394
20K → Half30300#22394#22394
Half → 25K128187-59#22394#22453
25K → 30K27386+187#22453#22266
30K → 20M9538+57#22266#22209
20M → 21M14326+117#22209#22092
21M → 35K929+83#22092#22009
35K → 23M13830+108#22009#21901
23M → 24M6048+12#21901#21889
24M → 40K5740+17#21889#21872
40K → 25.2M3414+20#21872#21852
25.2M → Finish3376-43#21852#21895
TOTALS16611254+407
📊

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