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BOSTON MARATHON 2025

Miriam Tamayo

Bib: 21037•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 41%
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
26:06
Rank: #19321
Start → 5K
26:06 | 8:24/mi
10K· 6.21 mi
52:14
Rank: #19278 (+43)
5K → 10K
26:08 | 8:25/mi
15K· 9.32 mi
1:18:03
Rank: #18882 (+396)
10K → 15K
25:49 | 8:19/mi
20K· 12.43 mi
1:44:21
Rank: #18640 (+242)
15K → 20K
26:18 | 8:28/mi
Half· 13.11 mi
1:50:04
Rank: #18613 (+27)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:10:53
Rank: #18449 (+164)
Half → 25K
20:49 | 8:35/mi
30K· 18.64 mi
2:39:20
Rank: #18432 (+17)
25K → 30K
28:27 | 9:09/mi
20M
2:51:47
Rank: #18371 (+61)
30K → 20M
12:27 | 9:10/mi
21M
3:01:40
Rank: #18310 (+61)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
3:08:04
Rank: #18211 (+99)
21M → 35K
6:24 | 8:33/mi
23M
3:19:09
Rank: #18028 (+183)
35K → 23M
11:05 | 8:51/mi
24M
3:27:31
Rank: #17810 (+218)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:34:42
Rank: #17630 (+180)
24M → 40K
7:11 | 8:24/mi
25.2M
3:37:56
Rank: #17560 (+70)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:46:25
Rank: #17473 (+87)
25.2M → Finish
8:29 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:04
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:56:21
Pace8:53 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0726:068:2426:06
8:24
-
10K
6.21 mi11:45:1552:148:2426:08
8:25
+0:01
15K
9.32 mi12:11:041:18:038:2225:49
8:19
-0:06
20K
12.43 mi12:37:221:44:218:2426:18
8:28
+0:09
Half
13.11 mi12:43:051:50:048:245:43
8:23
-0:05
25K
15.53 mi13:03:542:10:538:2620:49
8:35
+0:12
30K
18.64 mi13:32:212:39:208:3328:27
9:09
+0:34
20M
20.00 mi13:44:482:51:478:3512:27
9:10
+0:01
21M
21.00 mi13:54:413:01:408:399:53
9:53
+0:43
35K
21.75 mi14:01:053:08:048:396:24
8:33
-1:20
23M
23.00 mi14:12:103:19:098:4011:05
8:51
+0:18
24M
24.00 mi14:20:323:27:318:398:22
8:22
-0:29
40K
24.85 mi14:27:433:34:428:387:11
8:24
+0:02
25.2M
25.20 mi14:30:573:37:568:393:14
9:23
+0:59
Finish
26.22 mi14:39:263:46:258:398:29
8:19
-1:04

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

8:19 /mi

Average Pace

8:39 /mi

Slowest Pace

9:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:24

76% of race

Time at Steady Pace

44:08

19% of race

Time at Slower Pace

9:53

4% of race

Average Pace: 8:38 /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 mi11:19:0726:068:2426:06
8:24
#19321
10K
6.21 mi11:45:1552:148:2426:08
8:25
#19278
15K
9.32 mi12:11:041:18:038:2225:49
8:19
#18882
20K
12.43 mi12:37:221:44:218:2426:18
8:28
#18640
Half
13.11 mi12:43:051:50:048:245:43
8:23
#18613
25K
15.53 mi13:03:542:10:538:2620:49
8:35
#18449
30K
18.64 mi13:32:212:39:208:3328:27
9:09
#18432
20M
20.00 mi13:44:482:51:478:3512:27
9:10
#18371
21M
21.00 mi13:54:413:01:408:399:53
9:53
#18310
35K
21.75 mi14:01:053:08:048:396:24
8:33
#18211
23M
23.00 mi14:12:103:19:098:4011:05
8:51
#18028
24M
24.00 mi14:20:323:27:318:398:22
8:22
#17810
40K
24.85 mi14:27:433:34:428:387:11
8:24
#17630
25.2M
25.20 mi14:30:573:37:568:393:14
9:23
#17560
Finish
26.22 mi14:39:263:46:258:398:29
8:19
#17473
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi193217093709318134(Top 64%)6402(Top 52%)6402(Top 373%)
10K6.21 mi3.10 mi19278+437054+397054+3919269(Top 68%)7036(Top 58%)7036(Top 410%)
15K9.32 mi3.11 mi18882+3966843+2116843+21118134(Top 64%)6402(Top 52%)6402(Top 373%)
20K12.43 mi3.11 mi18640+2426698+1456698+14517996(Top 63%)6336(Top 52%)6336(Top 369%)
Half13.11 mi0.68 mi18613+276688+106688+1018513(Top 65%)6627(Top 54%)6627(Top 386%)
25K15.53 mi2.42 mi18449+1646609+796609+7917731(Top 62%)6267(Top 51%)6267(Top 365%)
30K18.64 mi3.11 mi18432+176623-146623-1418453(Top 65%)6811(Top 56%)6811(Top 396%)
20M20.00 mi1.36 mi18371+616621+26621+217610(Top 62%)6474(Top 53%)6474(Top 377%)
21M21.00 mi1.00 mi18310+616613+86613+817854(Top 63%)6714(Top 55%)6714(Top 391%)
35K21.75 mi0.75 mi18211+996580+336580+3315847(Top 56%)5704(Top 47%)5704(Top 332%)
23M23.00 mi1.25 mi18028+1836508+726508+7215433(Top 54%)5567(Top 46%)5567(Top 324%)
24M24.00 mi1.00 mi17810+2186430+786430+7813706(Top 48%)4680(Top 38%)4680(Top 272%)
40K24.85 mi0.85 mi17630+1806349+816349+8112864(Top 45%)4384(Top 36%)4384(Top 255%)
25.2M25.20 mi0.35 mi17560+706325+246325+2413992(Top 49%)5035(Top 41%)5035(Top 293%)
Finish26.22 mi1.02 mi17473+876296+296296+2915114(Top 53%)5551(Top 45%)5551(Top 323%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18134

Females

6402

F40-44

6402

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

19269

Females

7036

F40-44

7036

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18134

Females

6402

F40-44

6402

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

17996

Females

6336

F40-44

6336

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

18513

Females

6627

F40-44

6627

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17731

Females

6267

F40-44

6267

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18453

Females

6811

F40-44

6811

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17610

Females

6474

F40-44

6474

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17854

Females

6714

F40-44

6714

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15847

Females

5704

F40-44

5704

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15433

Females

5567

F40-44

5567

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13706

Females

4680

F40-44

4680

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12864

Females

4384

F40-44

4384

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13992

Females

5035

F40-44

5035

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

15114

Females

5551

F40-44

5551

Passing Analysis

Category:
Athletes Passed
2770
Passed By
922
Net Change
+1848
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19321
5K → 10K278235+43#19321#19278
10K → 15K44953+396#19278#18882
15K → 20K32280+242#18882#18640
20K → Half5225+27#18640#18613
Half → 25K24278+164#18613#18449
25K → 30K250233+17#18449#18432
30K → 20M13574+61#18432#18371
20M → 21M13069+61#18371#18310
21M → 35K11415+99#18310#18211
35K → 23M20623+183#18211#18028
23M → 24M2246+218#18028#17810
24M → 40K1844+180#17810#17630
40K → 25.2M744+70#17630#17560
25.2M → Finish11023+87#17560#17473
TOTALS2770922+1848
📊

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