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BOSTON MARATHON 2025

Maria Del Hierro

Bib: 20816•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 46%
Masters (Masters Women)
#0 / 6759
Top 33%
Division (F45-49)
#0 / 1813
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:00
Rank: #14196
Start → 5K
24:00 | 7:43/mi
10K· 6.21 mi
48:07
Rank: #14284 (-88)
5K → 10K
24:07 | 7:46/mi
15K· 9.32 mi
1:12:40
Rank: #14604 (-320)
10K → 15K
24:33 | 7:54/mi
20K· 12.43 mi
1:37:53
Rank: #14891 (-287)
15K → 20K
25:13 | 8:07/mi
Half· 13.11 mi
1:43:22
Rank: #14970 (-79)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:03:49
Rank: #15336 (-366)
Half → 25K
20:27 | 8:26/mi
30K· 18.64 mi
2:32:11
Rank: #15973 (-637)
25K → 30K
28:22 | 9:08/mi
20M
2:44:45
Rank: #16122 (-149)
30K → 20M
12:34 | 9:15/mi
21M
2:54:53
Rank: #16242 (-120)
20M → 21M
10:08 | 10:08/mi
35K· 21.75 mi
3:00:57
Rank: #16114 (+128)
21M → 35K
6:04 | 8:07/mi
23M
3:12:34
Rank: #16163 (-49)
35K → 23M
11:37 | 9:17/mi
24M
3:21:38
Rank: #16210 (-47)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:29:32
Rank: #16273 (-63)
24M → 40K
7:54 | 9:14/mi
25.2M
3:32:35
Rank: #16185 (+88)
40K → 25.2M
3:03 | 8:52/mi
Finish· 26.22 mi
3:41:37
Rank: #16277 (-92)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:22
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:58:15
Pace9:01 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2224:007:4324:00
7:43
-
10K
6.21 mi11:41:2948:077:4524:07
7:46
+0:03
15K
9.32 mi12:06:021:12:407:4824:33
7:54
+0:08
20K
12.43 mi12:31:151:37:537:5325:13
8:07
+0:13
Half
13.11 mi12:36:441:43:227:535:29
8:02
-0:05
25K
15.53 mi12:57:112:03:497:5820:27
8:26
+0:24
30K
18.64 mi13:25:332:32:118:1028:22
9:08
+0:42
20M
20.00 mi13:38:072:44:458:1412:34
9:15
+0:07
21M
21.00 mi13:48:152:54:538:2010:08
10:08
+0:53
35K
21.75 mi13:54:193:00:578:196:04
8:07
-2:01
23M
23.00 mi14:05:563:12:348:2211:37
9:17
+1:10
24M
24.00 mi14:15:003:21:388:249:04
9:04
-0:13
40K
24.85 mi14:22:543:29:328:267:54
9:14
+0:10
25.2M
25.20 mi14:25:573:32:358:263:03
8:52
-0:22
Finish
26.22 mi14:34:593:41:378:289:02
8:52
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

7:43 /mi

Average Pace

8:28 /mi

Slowest Pace

10:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:53

59% of race

Time at Steady Pace

49:31

22% of race

Time at Slower Pace

42:13

19% of race

Average Pace: 8:27 /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 mi11:17:2224:007:4324:00
7:43
#14196
10K
6.21 mi11:41:2948:077:4524:07
7:46
#14284
15K
9.32 mi12:06:021:12:407:4824:33
7:54
#14604
20K
12.43 mi12:31:151:37:537:5325:13
8:07
#14891
Half
13.11 mi12:36:441:43:227:535:29
8:02
#14970
25K
15.53 mi12:57:112:03:497:5820:27
8:26
#15336
30K
18.64 mi13:25:332:32:118:1028:22
9:08
#15973
20M
20.00 mi13:38:072:44:458:1412:34
9:15
#16122
21M
21.00 mi13:48:152:54:538:2010:08
10:08
#16242
35K
21.75 mi13:54:193:00:578:196:04
8:07
#16114
23M
23.00 mi14:05:563:12:348:2211:37
9:17
#16163
24M
24.00 mi14:15:003:21:388:249:04
9:04
#16210
40K
24.85 mi14:22:543:29:328:267:54
9:14
#16273
25.2M
25.20 mi14:25:573:32:358:263:03
8:52
#16185
Finish
26.22 mi14:34:593:41:378:289:02
8:52
#16277
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi141964032403215270(Top 54%)4739(Top 39%)4739(Top 261%)
10K6.21 mi3.10 mi14284-884109-774109-7714490(Top 51%)4248(Top 35%)4248(Top 234%)
15K9.32 mi3.11 mi14604-3204318-2094318-20915270(Top 54%)4739(Top 39%)4739(Top 261%)
20K12.43 mi3.11 mi14891-2874528-2104528-21015772(Top 56%)5081(Top 42%)5081(Top 280%)
Half13.11 mi0.68 mi14970-794577-494577-4916254(Top 57%)5341(Top 44%)5341(Top 295%)
25K15.53 mi2.42 mi15336-3664795-2184795-21816785(Top 59%)5732(Top 47%)5732(Top 316%)
30K18.64 mi3.11 mi15973-6375205-4105205-41018314(Top 64%)6748(Top 55%)6748(Top 372%)
20M20.00 mi1.36 mi16122-1495339-1345339-13418035(Top 63%)6730(Top 55%)6730(Top 371%)
21M21.00 mi1.00 mi16242-1205431-925431-9218803(Top 66%)7228(Top 59%)7228(Top 399%)
35K21.75 mi0.75 mi16114+1285391+405391+4013063(Top 46%)4211(Top 34%)4211(Top 232%)
23M23.00 mi1.25 mi16163-495445-545445-5417691(Top 62%)6833(Top 56%)6833(Top 377%)
24M24.00 mi1.00 mi16210-475503-585503-5817701(Top 62%)6867(Top 56%)6867(Top 379%)
40K24.85 mi0.85 mi16273-635557-545557-5417543(Top 62%)6876(Top 56%)6876(Top 379%)
25.2M25.20 mi0.35 mi16185+885518+395518+3911064(Top 39%)3558(Top 29%)3558(Top 196%)
Finish26.22 mi1.02 mi16277-925588-705588-7018326(Top 65%)7264(Top 59%)7264(Top 401%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15270

Females

4739

F45-49

4739

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14490

Females

4248

F45-49

4248

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15270

Females

4739

F45-49

4739

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15772

Females

5081

F45-49

5081

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16254

Females

5341

F45-49

5341

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

16785

Females

5732

F45-49

5732

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18314

Females

6748

F45-49

6748

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

18035

Females

6730

F45-49

6730

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18803

Females

7228

F45-49

7228

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13063

Females

4211

F45-49

4211

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17691

Females

6833

F45-49

6833

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17701

Females

6867

F45-49

6867

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17543

Females

6876

F45-49

6876

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11064

Females

3558

F45-49

3558

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18326

Females

7264

F45-49

7264

Passing Analysis

Category:
Athletes Passed
1295
Passed By
3376
Net Change
-2081
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14196
5K → 10K242330-88#14196#14284
10K → 15K113433-320#14284#14604
15K → 20K137424-287#14604#14891
20K → Half1493-79#14891#14970
Half → 25K87453-366#14970#15336
25K → 30K96733-637#15336#15973
30K → 20M72221-149#15973#16122
20M → 21M67187-120#16122#16242
21M → 35K13911+128#16242#16114
35K → 23M88137-49#16114#16163
23M → 24M61108-47#16163#16210
24M → 40K44107-63#16210#16273
40K → 25.2M902+88#16273#16185
25.2M → Finish45137-92#16185#16277
TOTALS12953376-2081
📊

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