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BOSTON MARATHON 2025

Laura Montemayor

Bib: 20889•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 44%
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
25:13
Rank: #17495
Start → 5K
25:13 | 8:07/mi
10K· 6.21 mi
50:55
Rank: #17954 (-459)
5K → 10K
25:42 | 8:16/mi
15K· 9.32 mi
1:16:59
Rank: #18156 (-202)
10K → 15K
26:04 | 8:23/mi
20K· 12.43 mi
1:43:29
Rank: #18171 (-15)
15K → 20K
26:30 | 8:32/mi
Half· 13.11 mi
1:49:13
Rank: #18178 (-7)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:10:15
Rank: #18172 (+6)
Half → 25K
21:02 | 8:41/mi
30K· 18.64 mi
2:38:22
Rank: #18082 (+90)
25K → 30K
28:07 | 9:03/mi
20M
2:50:51
Rank: #18045 (+37)
30K → 20M
12:29 | 9:11/mi
21M
3:00:39
Rank: #18028 (+17)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
3:07:25
Rank: #18041 (-13)
21M → 35K
6:46 | 9:03/mi
23M
3:18:58
Rank: #17981 (+60)
35K → 23M
11:33 | 9:13/mi
24M
3:28:03
Rank: #17953 (+28)
23M → 24M
9:05 | 9:05/mi
40K· 24.85 mi
3:35:54
Rank: #17932 (+21)
24M → 40K
7:51 | 9:11/mi
25.2M
3:39:20
Rank: #17916 (+16)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:48:19
Rank: #17918 (-2)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:13
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:59:06
Pace9:05 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0925:138:0725:13
8:07
-
10K
6.21 mi11:44:5150:558:1225:42
8:16
+0:09
15K
9.32 mi12:10:551:16:598:1626:04
8:23
+0:07
20K
12.43 mi12:37:251:43:298:2026:30
8:32
+0:09
Half
13.11 mi12:43:091:49:138:205:44
8:24
-0:08
25K
15.53 mi13:04:112:10:158:2321:02
8:41
+0:17
30K
18.64 mi13:32:182:38:228:3028:07
9:03
+0:22
20M
20.00 mi13:44:472:50:518:3312:29
9:11
+0:08
21M
21.00 mi13:54:353:00:398:369:48
9:48
+0:37
35K
21.75 mi14:01:213:07:258:376:46
9:03
-0:45
23M
23.00 mi14:12:543:18:588:3911:33
9:13
+0:10
24M
24.00 mi14:21:593:28:038:409:05
9:05
-0:08
40K
24.85 mi14:29:503:35:548:417:51
9:11
+0:06
25.2M
25.20 mi14:33:163:39:208:423:26
9:57
+0:46
Finish
26.22 mi14:42:153:48:198:438:59
8:49
-1:08

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

8:43 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:15

57% of race

Time at Steady Pace

1:24:50

37% of race

Time at Slower Pace

13:14

6% of race

Average Pace: 8:42 /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 mi11:19:0925:138:0725:13
8:07
#17495
10K
6.21 mi11:44:5150:558:1225:42
8:16
#17954
15K
9.32 mi12:10:551:16:598:1626:04
8:23
#18156
20K
12.43 mi12:37:251:43:298:2026:30
8:32
#18171
Half
13.11 mi12:43:091:49:138:205:44
8:24
#18178
25K
15.53 mi13:04:112:10:158:2321:02
8:41
#18172
30K
18.64 mi13:32:182:38:228:3028:07
9:03
#18082
20M
20.00 mi13:44:472:50:518:3312:29
9:11
#18045
21M
21.00 mi13:54:353:00:398:369:48
9:48
#18028
35K
21.75 mi14:01:213:07:258:376:46
9:03
#18041
23M
23.00 mi14:12:543:18:588:3911:33
9:13
#17981
24M
24.00 mi14:21:593:28:038:409:05
9:05
#17953
40K
24.85 mi14:29:503:35:548:417:51
9:11
#17932
25.2M
25.20 mi14:33:163:39:208:423:26
9:57
#17916
Finish
26.22 mi14:42:153:48:198:438:59
8:49
#17918
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi174956030603018644(Top 66%)6690(Top 55%)6690(Top 389%)
10K6.21 mi3.10 mi17954-4596298-2686298-26818381(Top 65%)6531(Top 53%)6531(Top 380%)
15K9.32 mi3.11 mi18156-2026424-1266424-12618644(Top 66%)6690(Top 55%)6690(Top 389%)
20K12.43 mi3.11 mi18171-156437-136437-1318446(Top 65%)6596(Top 54%)6596(Top 384%)
Half13.11 mi0.68 mi18178-76446-96446-918648(Top 66%)6707(Top 55%)6707(Top 390%)
25K15.53 mi2.42 mi18172+66459-136459-1318252(Top 64%)6565(Top 54%)6565(Top 382%)
30K18.64 mi3.11 mi18082+906444+156444+1517941(Top 63%)6548(Top 54%)6548(Top 381%)
20M20.00 mi1.36 mi18045+376449-56449-517740(Top 62%)6552(Top 54%)6552(Top 381%)
21M21.00 mi1.00 mi18028+176450-16450-117496(Top 62%)6532(Top 53%)6532(Top 380%)
35K21.75 mi0.75 mi18041-136469-196469-1918468(Top 65%)7168(Top 59%)7168(Top 417%)
23M23.00 mi1.25 mi17981+606487-186487-1817460(Top 61%)6698(Top 55%)6698(Top 390%)
24M24.00 mi1.00 mi17953+286500-136500-1317812(Top 63%)6932(Top 57%)6932(Top 403%)
40K24.85 mi0.85 mi17932+216510-106510-1017282(Top 61%)6740(Top 55%)6740(Top 392%)
25.2M25.20 mi0.35 mi17916+166510651016879(Top 59%)6533(Top 53%)6533(Top 380%)
Finish26.22 mi1.02 mi17918-26523-136523-1318148(Top 64%)7157(Top 59%)7157(Top 417%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

18644

Females

6690

F40-44

6690

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18381

Females

6531

F40-44

6531

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

18644

Females

6690

F40-44

6690

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18446

Females

6596

F40-44

6596

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18648

Females

6707

F40-44

6707

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18252

Females

6565

F40-44

6565

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17941

Females

6548

F40-44

6548

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17740

Females

6552

F40-44

6552

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17496

Females

6532

F40-44

6532

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18468

Females

7168

F40-44

7168

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17460

Females

6698

F40-44

6698

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17812

Females

6932

F40-44

6932

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17282

Females

6740

F40-44

6740

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16879

Females

6533

F40-44

6533

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18148

Females

7157

F40-44

7157

Passing Analysis

Category:
Athletes Passed
1608
Passed By
2031
Net Change
-423
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17495
5K → 10K126585-459#17495#17954
10K → 15K113315-202#17954#18156
15K → 20K184199-15#18156#18171
20K → Half4350-7#18171#18178
Half → 25K170164+6#18178#18172
25K → 30K284194+90#18172#18082
30K → 20M137100+37#18082#18045
20M → 21M9982+17#18045#18028
21M → 35K4861-13#18028#18041
35K → 23M13878+60#18041#17981
23M → 24M8961+28#17981#17953
24M → 40K6847+21#17953#17932
40K → 25.2M3519+16#17932#17916
25.2M → Finish7476-2#17916#17918
TOTALS16082031-423
📊

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