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BOSTON MARATHON 2025

Vivian Pena Izquierdo

Bib: 20849•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 43%
Masters (Masters Women)
#0 / 6759
Top 29%
Division (F45-49)
#0 / 1813
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:11
Rank: #17396
Start → 5K
25:11 | 8:06/mi
10K· 6.21 mi
50:22
Rank: #17299 (+97)
5K → 10K
25:11 | 8:06/mi
15K· 9.32 mi
1:15:25
Rank: #17018 (+281)
10K → 15K
25:03 | 8:04/mi
20K· 12.43 mi
1:41:04
Rank: #16926 (+92)
15K → 20K
25:39 | 8:15/mi
Half· 13.11 mi
1:46:33
Rank: #16880 (+46)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:07:05
Rank: #16841 (+39)
Half → 25K
20:32 | 8:28/mi
30K· 18.64 mi
2:34:21
Rank: #16717 (+124)
25K → 30K
27:16 | 8:47/mi
20M
2:46:09
Rank: #16560 (+157)
30K → 20M
11:48 | 8:41/mi
21M
2:55:34
Rank: #16451 (+109)
20M → 21M
9:25 | 9:25/mi
35K· 21.75 mi
3:01:24
Rank: #16238 (+213)
21M → 35K
5:50 | 7:48/mi
23M
3:11:51
Rank: #15967 (+271)
35K → 23M
10:27 | 8:21/mi
24M
3:20:08
Rank: #15826 (+141)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
3:27:18
Rank: #15685 (+141)
24M → 40K
7:10 | 8:23/mi
25.2M
3:30:38
Rank: #15672 (+13)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:39:02
Rank: #15621 (+51)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:33
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:52:29
Pace8:35 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4925:118:0625:11
8:06
-
10K
6.21 mi11:43:0050:228:0625:11
8:06
0:00
15K
9.32 mi12:08:031:15:258:0525:03
8:04
-0:02
20K
12.43 mi12:33:421:41:048:0825:39
8:15
+0:11
Half
13.11 mi12:39:111:46:338:085:29
8:02
-0:13
25K
15.53 mi12:59:432:07:058:1120:32
8:28
+0:26
30K
18.64 mi13:26:592:34:218:1727:16
8:47
+0:19
20M
20.00 mi13:38:472:46:098:1811:48
8:41
-0:06
21M
21.00 mi13:48:122:55:348:229:25
9:25
+0:44
35K
21.75 mi13:54:023:01:248:205:50
7:48
-1:37
23M
23.00 mi14:04:293:11:518:2010:27
8:21
+0:33
24M
24.00 mi14:12:463:20:088:208:17
8:17
-0:04
40K
24.85 mi14:19:563:27:188:207:10
8:23
+0:06
25.2M
25.20 mi14:23:163:30:388:223:20
9:40
+1:17
Finish
26.22 mi14:31:403:39:028:228:24
8:15
-1:25

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

7:48 /mi

Average Pace

8:22 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

11:19

5% of race

Time at Steady Pace

2:35:54

71% of race

Time at Slower Pace

51:49

24% of race

Average Pace: 8:21 /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 mi11:17:4925:118:0625:11
8:06
#17396
10K
6.21 mi11:43:0050:228:0625:11
8:06
#17299
15K
9.32 mi12:08:031:15:258:0525:03
8:04
#17018
20K
12.43 mi12:33:421:41:048:0825:39
8:15
#16926
Half
13.11 mi12:39:111:46:338:085:29
8:02
#16880
25K
15.53 mi12:59:432:07:058:1120:32
8:28
#16841
30K
18.64 mi13:26:592:34:218:1727:16
8:47
#16717
20M
20.00 mi13:38:472:46:098:1811:48
8:41
#16560
21M
21.00 mi13:48:122:55:348:229:25
9:25
#16451
35K
21.75 mi13:54:023:01:248:205:50
7:48
#16238
23M
23.00 mi14:04:293:11:518:2010:27
8:21
#15967
24M
24.00 mi14:12:463:20:088:208:17
8:17
#15826
40K
24.85 mi14:19:563:27:188:207:10
8:23
#15685
25.2M
25.20 mi14:23:163:30:388:223:20
9:40
#15672
Finish
26.22 mi14:31:403:39:028:228:24
8:15
#15621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi173965969596916517(Top 58%)5449(Top 45%)5449(Top 301%)
10K6.21 mi3.10 mi17299+975905+645905+6417244(Top 61%)5848(Top 48%)5848(Top 323%)
15K9.32 mi3.11 mi17018+2815724+1815724+18116517(Top 58%)5449(Top 45%)5449(Top 301%)
20K12.43 mi3.11 mi16926+925698+265698+2616672(Top 59%)5587(Top 46%)5587(Top 308%)
Half13.11 mi0.68 mi16880+465667+315667+3116240(Top 57%)5327(Top 44%)5327(Top 294%)
25K15.53 mi2.42 mi16841+395668-15668-116989(Top 60%)5845(Top 48%)5845(Top 322%)
30K18.64 mi3.11 mi16717+1245648+205648+2016462(Top 58%)5717(Top 47%)5717(Top 315%)
20M20.00 mi1.36 mi16560+1575591+575591+5714969(Top 53%)5028(Top 41%)5028(Top 277%)
21M21.00 mi1.00 mi16451+1095557+345557+3415721(Top 55%)5561(Top 45%)5561(Top 307%)
35K21.75 mi0.75 mi16238+2135457+1005457+10010898(Top 38%)3081(Top 25%)3081(Top 170%)
23M23.00 mi1.25 mi15967+2715351+1065351+10612364(Top 44%)3947(Top 32%)3947(Top 218%)
24M24.00 mi1.00 mi15826+1415282+695282+6913177(Top 46%)4416(Top 36%)4416(Top 244%)
40K24.85 mi0.85 mi15685+1415221+615221+6112736(Top 45%)4310(Top 35%)4310(Top 238%)
25.2M25.20 mi0.35 mi15672+135231-105231-1015495(Top 55%)5819(Top 48%)5819(Top 321%)
Finish26.22 mi1.02 mi15621+515224+75224+714585(Top 51%)5253(Top 43%)5253(Top 290%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16517

Females

5449

F45-49

5449

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17244

Females

5848

F45-49

5848

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16517

Females

5449

F45-49

5449

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

16672

Females

5587

F45-49

5587

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16240

Females

5327

F45-49

5327

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

16989

Females

5845

F45-49

5845

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16462

Females

5717

F45-49

5717

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14969

Females

5028

F45-49

5028

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

15721

Females

5561

F45-49

5561

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10898

Females

3081

F45-49

3081

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

12364

Females

3947

F45-49

3947

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

13177

Females

4416

F45-49

4416

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12736

Females

4310

F45-49

4310

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15495

Females

5819

F45-49

5819

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14585

Females

5253

F45-49

5253

Passing Analysis

Category:
Athletes Passed
2721
Passed By
946
Net Change
+1775
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17396
5K → 10K340243+97#17396#17299
10K → 15K36887+281#17299#17018
15K → 20K233141+92#17018#16926
20K → Half5913+46#16926#16880
Half → 25K171132+39#16880#16841
25K → 30K276152+124#16841#16717
30K → 20M18528+157#16717#16560
20M → 21M16657+109#16560#16451
21M → 35K2141+213#16451#16238
35K → 23M2754+271#16238#15967
23M → 24M15413+141#15967#15826
24M → 40K15716+141#15826#15685
40K → 25.2M3522+13#15685#15672
25.2M → Finish8837+51#15672#15621
TOTALS2721946+1775
📊

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