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BOSTON MARATHON 2025

Valeria Perez

Bib: 22879•F

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:38/mi
26:49
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
53:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:21:13
↑ 67↓ 78
20K· 12.43 mi
9:00/mi
1:49:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:52/mi
1:55:14
↑ 19↓ 370.5%
25K· 15.53 mi
9:12/mi
2:17:32
↑ 66↓ 880.2%
30K· 18.64 mi
9:49/mi
2:48:01
↑ 181↓ 1480.2%
20M
10:01/mi
3:01:38
↑ 64↓ 500.2%
21M
11:15/mi
3:12:53
↑ 106↓ 241.6%
35K· 21.75 mi
9:45/mi
3:20:11
↑ 17↓ 861.7%
23M
10:09/mi
3:32:53
↑ 23↓ 630.6%
24M
10:14/mi
3:43:07
↓ 821.3%
40K· 24.85 mi
10:15/mi
3:51:53
↓ 200.3%
25.2M
12:25/mi
3:56:10
↑ 13↓ 160.2%
Finish· 26.22 mi
10:45/mi
4:07:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:14
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:11:53
Pace10:04 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5426:498:3826:49
8:38
-
10K
6.21 mi11:49:4553:408:3826:51
8:39
+0:01
15K
9.32 mi12:17:181:21:138:4327:33
8:52
+0:13
20K
12.43 mi12:45:161:49:118:4727:58
9:00
+0:08
Half
13.11 mi12:51:191:55:148:476:03
8:52
-0:08
25K
15.53 mi13:13:372:17:328:5122:18
9:12
+0:20
30K
18.64 mi13:44:062:48:019:0130:29
9:49
+0:37
20M
20.00 mi13:57:433:01:389:0513:37
10:01
+0:12
21M
21.00 mi14:08:583:12:539:1111:15
11:15
+1:14
35K
21.75 mi14:16:163:20:119:127:18
9:45
-1:30
23M
23.00 mi14:28:583:32:539:1512:42
10:09
+0:24
24M
24.00 mi14:39:123:43:079:1810:14
10:14
+0:05
40K
24.85 mi14:47:583:51:539:208:46
10:15
+0:01
25.2M
25.20 mi14:52:153:56:109:224:17
12:25
+2:10
Finish
26.22 mi15:03:124:07:079:2610:57
10:45
-1:40

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

8:38 /mi

Average Pace

9:26 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:32

56% of race

Time at Steady Pace

1:23:06

34% of race

Time at Slower Pace

26:29

11% of race

Average Pace: 9:25 /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 mi11:22:5426:498:3826:49
8:38
#20666
10K
6.21 mi11:49:4553:408:3826:51
8:39
#20602
15K
9.32 mi12:17:181:21:138:4327:33
8:52
#20824
20K
12.43 mi12:45:161:49:118:4727:58
9:00
#20841
Half
13.11 mi12:51:191:55:148:476:03
8:52
#20874
25K
15.53 mi13:13:372:17:328:5122:18
9:12
#20886
30K
18.64 mi13:44:062:48:019:0130:29
9:49
#20934
20M
20.00 mi13:57:433:01:389:0513:37
10:01
#20949
21M
21.00 mi14:08:583:12:539:1111:15
11:15
#21051
35K
21.75 mi14:16:163:20:119:127:18
9:45
#21049
23M
23.00 mi14:28:583:32:539:1512:42
10:09
#21049
24M
24.00 mi14:39:123:43:079:1810:14
10:14
#21105
40K
24.85 mi14:47:583:51:539:208:46
10:15
#21121
25.2M
25.20 mi14:52:153:56:109:224:17
12:25
#21179
Finish
26.22 mi15:03:124:07:079:2610:57
10:45
#21362
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi206667895789521389(Top 75%)8209(Top 67%)8209(Top 453%)
10K6.21 mi3.10 mi20602+647832+637832+6320576(Top 72%)7789(Top 64%)7789(Top 430%)
15K9.32 mi3.11 mi20824-2227940-1087940-10821389(Top 75%)8209(Top 67%)8209(Top 453%)
20K12.43 mi3.11 mi20841-177949-97949-920991(Top 74%)8054(Top 66%)8054(Top 444%)
Half13.11 mi0.68 mi20874-337964-157964-1521286(Top 75%)8200(Top 67%)8200(Top 452%)
25K15.53 mi2.42 mi20886-127977-137977-1320768(Top 73%)7957(Top 65%)7957(Top 439%)
30K18.64 mi3.11 mi20934-488053-768053-7621043(Top 74%)8252(Top 67%)8252(Top 455%)
20M20.00 mi1.36 mi20949-158067-148067-1421024(Top 74%)8373(Top 68%)8373(Top 462%)
21M21.00 mi1.00 mi21051-1028153-868153-8622048(Top 78%)8994(Top 74%)8994(Top 496%)
35K21.75 mi0.75 mi21049+28162-98162-921210(Top 75%)8618(Top 70%)8618(Top 475%)
23M23.00 mi1.25 mi210498188-268188-2620949(Top 74%)8526(Top 70%)8526(Top 470%)
24M24.00 mi1.00 mi21105-568250-628250-6222042(Top 78%)9151(Top 75%)9151(Top 505%)
40K24.85 mi0.85 mi21121-168269-198269-1921255(Top 75%)8795(Top 72%)8795(Top 485%)
25.2M25.20 mi0.35 mi21179-588308-398308-3924064(Top 85%)10193(Top 83%)10193(Top 562%)
Finish26.22 mi1.02 mi21362-1838425-1178425-11724840(Top 87%)10581(Top 87%)10581(Top 584%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21389

Females

8209

F45-49

8209

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20576

Females

7789

F45-49

7789

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21389

Females

8209

F45-49

8209

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

20991

Females

8054

F45-49

8054

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21286

Females

8200

F45-49

8200

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20768

Females

7957

F45-49

7957

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

21043

Females

8252

F45-49

8252

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

21024

Females

8373

F45-49

8373

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22048

Females

8994

F45-49

8994

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21210

Females

8618

F45-49

8618

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

20949

Females

8526

F45-49

8526

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22042

Females

9151

F45-49

9151

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21255

Females

8795

F45-49

8795

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24064

Females

10193

F45-49

10193

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24840

Females

10581

F45-49

10581

Passing Analysis

Category:
Athletes Passed
1391
Passed By
2087
Net Change
-696
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20666
5K → 10K312248+64#20666#20602
10K → 15K123345-222#20602#20824
15K → 20K185202-17#20824#20841
20K → Half1649-33#20841#20874
Half → 25K147159-12#20874#20886
25K → 30K192240-48#20886#20934
30K → 20M97112-15#20934#20949
20M → 21M62164-102#20949#21051
21M → 35K6765+2#21051#21049
35K → 23M82820#21049#21049
23M → 24M45101-56#21049#21105
24M → 40K4157-16#21105#21121
40K → 25.2M1472-58#21121#21179
25.2M → Finish8191-183#21179#21362
TOTALS13912087-696
📊

Passing Visuals

Category:
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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