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BOSTON MARATHON 2025

Zeferina Terrazas Vazquez

Bib: 24188•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 48%
Division (F55-59)
#0 / 994
Top 30%
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
7:44/mi
24:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:21
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:13:58
↑ 67↓ 78
20K· 12.43 mi
8:38/mi
1:40:47
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:46:24
↑ 19↓ 370.5%
25K· 15.53 mi
9:32/mi
2:09:32
↑ 66↓ 880.2%
30K· 18.64 mi
9:22/mi
2:38:39
↑ 181↓ 1480.2%
20M
9:30/mi
2:51:34
↑ 64↓ 500.2%
21M
11:28/mi
3:03:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:32/mi
3:09:25
↑ 17↓ 861.7%
23M
9:46/mi
3:21:39
↑ 23↓ 630.6%
24M
9:16/mi
3:30:55
↓ 821.3%
40K· 24.85 mi
9:14/mi
3:38:49
↓ 200.3%
25.2M
10:38/mi
3:42:29
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:51:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:24
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time2:05:27
Pace9:34 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3724:017:4424:01
7:44
-
10K
6.21 mi11:44:5748:217:4724:20
7:50
+0:06
15K
9.32 mi12:10:341:13:587:5625:37
8:15
+0:25
20K
12.43 mi12:37:231:40:478:0726:49
8:38
+0:23
Half
13.11 mi12:43:001:46:248:075:37
8:14
-0:24
25K
15.53 mi13:06:082:09:328:2023:08
9:32
+1:18
30K
18.64 mi13:35:152:38:398:3129:07
9:22
-0:10
20M
20.00 mi13:48:102:51:348:3512:55
9:30
+0:08
21M
21.00 mi13:59:383:03:028:4311:28
11:28
+1:58
35K
21.75 mi14:06:013:09:258:436:23
8:32
-2:56
23M
23.00 mi14:18:153:21:398:4612:14
9:46
+1:14
24M
24.00 mi14:27:313:30:558:479:16
9:16
-0:30
40K
24.85 mi14:35:253:38:498:487:54
9:14
-0:02
25.2M
25.20 mi14:39:053:42:298:503:40
10:38
+1:24
Finish
26.22 mi14:48:273:51:518:519:22
9:11
-1:27

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

7:44 /mi

Average Pace

8:51 /mi

Slowest Pace

11:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:47

49% of race

Time at Steady Pace

1:31:42

40% of race

Time at Slower Pace

27:22

12% of race

Average Pace: 8:51 /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 mi11:20:3724:017:4424:01
7:44
#14242
10K
6.21 mi11:44:5748:217:4724:20
7:50
#14611
15K
9.32 mi12:10:341:13:587:5625:37
8:15
#15809
20K
12.43 mi12:37:231:40:478:0726:49
8:38
#16759
Half
13.11 mi12:43:001:46:248:075:37
8:14
#16789
25K
15.53 mi13:06:082:09:328:2023:08
9:32
#17849
30K
18.64 mi13:35:152:38:398:3129:07
9:22
#18202
20M
20.00 mi13:48:102:51:348:3512:55
9:30
#18291
21M
21.00 mi13:59:383:03:028:4311:28
11:28
#18707
35K
21.75 mi14:06:013:09:258:436:23
8:32
#18608
23M
23.00 mi14:18:153:21:398:4612:14
9:46
#18683
24M
24.00 mi14:27:313:30:558:479:16
9:16
#18697
40K
24.85 mi14:35:253:38:498:487:54
9:14
#18641
25.2M
25.20 mi14:39:053:42:298:503:40
10:38
#18657
Finish
26.22 mi14:48:273:51:518:519:22
9:11
#18713
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi142424066406617712(Top 62%)6150(Top 50%)6150(Top 619%)
10K6.21 mi3.10 mi14611-3694308-2424308-24215138(Top 53%)4626(Top 38%)4626(Top 465%)
15K9.32 mi3.11 mi15809-11985020-7125020-71217712(Top 62%)6150(Top 50%)6150(Top 619%)
20K12.43 mi3.11 mi16759-9505595-5755595-57519031(Top 67%)6936(Top 57%)6936(Top 698%)
Half13.11 mi0.68 mi16789-305605-105605-1017568(Top 62%)6094(Top 50%)6094(Top 613%)
25K15.53 mi2.42 mi17849-10606270-6656270-66522002(Top 77%)8648(Top 71%)8648(Top 870%)
30K18.64 mi3.11 mi18202-3536507-2376507-23719430(Top 68%)7352(Top 60%)7352(Top 740%)
20M20.00 mi1.36 mi18291-896578-716578-7119206(Top 68%)7371(Top 60%)7371(Top 742%)
21M21.00 mi1.00 mi18707-4166841-2636841-26322561(Top 79%)9273(Top 76%)9273(Top 933%)
35K21.75 mi0.75 mi18608+996794+476794+4715728(Top 55%)5646(Top 46%)5646(Top 568%)
23M23.00 mi1.25 mi18683-756876-826876-8219693(Top 69%)7882(Top 64%)7882(Top 793%)
24M24.00 mi1.00 mi18697-146902-266902-2618685(Top 66%)7380(Top 60%)7380(Top 742%)
40K24.85 mi0.85 mi18641+566898+46898+417568(Top 62%)6901(Top 56%)6901(Top 694%)
25.2M25.20 mi0.35 mi18657-166925-276925-2719511(Top 69%)7898(Top 65%)7898(Top 795%)
Finish26.22 mi1.02 mi18713-566968-436968-4319919(Top 70%)8100(Top 66%)8100(Top 815%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17712

Females

6150

F55-59

6150

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

15138

Females

4626

F55-59

4626

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17712

Females

6150

F55-59

6150

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

19031

Females

6936

F55-59

6936

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17568

Females

6094

F55-59

6094

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

22002

Females

8648

F55-59

8648

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19430

Females

7352

F55-59

7352

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

19206

Females

7371

F55-59

7371

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22561

Females

9273

F55-59

9273

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15728

Females

5646

F55-59

5646

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

19693

Females

7882

F55-59

7882

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18685

Females

7380

F55-59

7380

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17568

Females

6901

F55-59

6901

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19511

Females

7898

F55-59

7898

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

19919

Females

8100

F55-59

8100

Passing Analysis

Category:
Athletes Passed
973
Passed By
5444
Net Change
-4471
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14242
5K → 10K163532-369#14242#14611
10K → 15K281226-1198#14611#15809
15K → 20K41991-950#15809#16759
20K → Half3060-30#16759#16789
Half → 25K281088-1060#16789#17849
25K → 30K137490-353#17849#18202
30K → 20M92181-89#18202#18291
20M → 21M27443-416#18291#18707
21M → 35K11011+99#18707#18608
35K → 23M91166-75#18608#18683
23M → 24M6377-14#18683#18697
24M → 40K9640+56#18697#18641
40K → 25.2M3046-16#18641#18657
25.2M → Finish3793-56#18657#18713
TOTALS9735444-4471
📊

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