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BOSTON MARATHON 2025

Mariela Villalobos

Bib: 15966•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Female)
#0 / 12228
Top 12%
Division (F18-39)
#0 / 5469
Top 21%
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
7:18/mi
22:41
↑ 97↓ 3451.5%
10K· 6.21 mi
7:12/mi
45:04
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:07:29
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:30:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:35:27
↑ 19↓ 370.5%
25K· 15.53 mi
7:39/mi
1:54:01
↑ 66↓ 880.2%
30K· 18.64 mi
7:39/mi
2:17:47
↑ 181↓ 1480.2%
20M
7:38/mi
2:28:09
↑ 64↓ 500.2%
21M
7:55/mi
2:36:04
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:41:59
↑ 17↓ 861.7%
23M
7:22/mi
2:51:13
↑ 23↓ 630.6%
24M
7:09/mi
2:58:22
↓ 821.3%
40K· 24.85 mi
7:09/mi
3:04:29
↓ 200.3%
25.2M
7:44/mi
3:07:09
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
3:13:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:27
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:38:23
Pace7:30 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2622:417:1822:41
7:18
-
10K
6.21 mi11:14:4945:047:1522:23
7:12
-0:06
15K
9.32 mi11:37:141:07:297:1422:25
7:13
+0:01
20K
12.43 mi12:00:141:30:297:1723:00
7:24
+0:11
Half
13.11 mi12:05:121:35:277:174:58
7:17
-0:07
25K
15.53 mi12:23:461:54:017:2018:34
7:39
+0:22
30K
18.64 mi12:47:322:17:477:2323:46
7:39
0:00
20M
20.00 mi12:57:542:28:097:2410:22
7:38
-0:01
21M
21.00 mi13:05:492:36:047:267:55
7:55
+0:17
35K
21.75 mi13:11:442:41:597:275:55
7:55
0:00
23M
23.00 mi13:20:582:51:137:279:14
7:22
-0:33
24M
24.00 mi13:28:072:58:227:267:09
7:09
-0:13
40K
24.85 mi13:34:143:04:297:256:07
7:09
0:00
25.2M
25.20 mi13:36:543:07:097:262:40
7:44
+0:35
Finish
26.22 mi13:43:353:13:507:246:41
6:34
-1:10

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

6:34 /mi

Average Pace

7:24 /mi

Slowest Pace

7:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:57

10% of race

Time at Steady Pace

1:44:41

54% of race

Time at Slower Pace

1:09:12

36% of race

Average Pace: 7:24 /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 mi10:52:2622:417:1822:41
7:18
#10386
10K
6.21 mi11:14:4945:047:1522:23
7:12
#9924
15K
9.32 mi11:37:141:07:297:1422:25
7:13
#9673
20K
12.43 mi12:00:141:30:297:1723:00
7:24
#9703
Half
13.11 mi12:05:121:35:277:174:58
7:17
#9709
25K
15.53 mi12:23:461:54:017:2018:34
7:39
#9901
30K
18.64 mi12:47:322:17:477:2323:46
7:39
#9629
20M
20.00 mi12:57:542:28:097:2410:22
7:38
#9448
21M
21.00 mi13:05:492:36:047:267:55
7:55
#9242
35K
21.75 mi13:11:442:41:597:275:55
7:55
#9323
23M
23.00 mi13:20:582:51:137:279:14
7:22
#9029
24M
24.00 mi13:28:072:58:227:267:09
7:09
#8815
40K
24.85 mi13:34:143:04:297:256:07
7:09
#8567
25.2M
25.20 mi13:36:543:07:097:262:40
7:44
#8462
Finish
26.22 mi13:43:353:13:507:246:41
6:34
#8168
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10386198019809264(Top 33%)1545(Top 13%)1545(Top 28%)
10K6.21 mi3.10 mi9924+4621767+2131767+2139540(Top 34%)1616(Top 13%)1616(Top 30%)
15K9.32 mi3.11 mi9673+2511682+851682+859264(Top 33%)1545(Top 13%)1545(Top 28%)
20K12.43 mi3.11 mi9703-301735-531735-539935(Top 35%)1924(Top 16%)1924(Top 35%)
Half13.11 mi0.68 mi9709-61736-11736-19848(Top 35%)1864(Top 15%)1864(Top 34%)
25K15.53 mi2.42 mi9901-1921857-1211857-12111212(Top 39%)2688(Top 22%)2688(Top 49%)
30K18.64 mi3.11 mi9629+2721793+641793+648830(Top 31%)1757(Top 14%)1757(Top 32%)
20M20.00 mi1.36 mi9448+1811748+451748+457918(Top 28%)1510(Top 12%)1510(Top 28%)
21M21.00 mi1.00 mi9242+2061682+661682+666833(Top 24%)1248(Top 10%)1248(Top 23%)
35K21.75 mi0.75 mi9323-811738-561738-5611720(Top 41%)3522(Top 29%)3522(Top 64%)
23M23.00 mi1.25 mi9029+2941654+841654+845929(Top 21%)1001(Top 8%)1001(Top 18%)
24M24.00 mi1.00 mi8815+2141598+561598+565555(Top 20%)913(Top 7%)913(Top 17%)
40K24.85 mi0.85 mi8567+2481532+661532+664844(Top 17%)740(Top 6%)740(Top 14%)
25.2M25.20 mi0.35 mi8462+1051505+271505+274623(Top 16%)770(Top 6%)770(Top 14%)
Finish26.22 mi1.02 mi8168+2941418+871418+873148(Top 11%)352(Top 3%)352(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9264

Females

1545

F18-39

1545

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9540

Females

1616

F18-39

1616

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9264

Females

1545

F18-39

1545

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9935

Females

1924

F18-39

1924

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9848

Females

1864

F18-39

1864

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

11212

Females

2688

F18-39

2688

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8830

Females

1757

F18-39

1757

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7918

Females

1510

F18-39

1510

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6833

Females

1248

F18-39

1248

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11720

Females

3522

F18-39

3522

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5929

Females

1001

F18-39

1001

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5555

Females

913

F18-39

913

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4844

Females

740

F18-39

740

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4623

Females

770

F18-39

770

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3148

Females

352

F18-39

352

Passing Analysis

Category:
Athletes Passed
3164*
Passed By
946
Net Change
+2218
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10386
5K → 10K549*87+462#10386#9924
10K → 15K31766+251#9924#9673
15K → 20K169199-30#9673#9703
20K → Half3036-6#9703#9709
Half → 25K103295-192#9709#9901
25K → 30K374102+272#9901#9629
30K → 20M19716+181#9629#9448
20M → 21M21711+206#9448#9242
21M → 35K39120-81#9242#9323
35K → 23M2984+294#9323#9029
23M → 24M2173+214#9029#8815
24M → 40K2513+248#8815#8567
40K → 25.2M1083+105#8567#8462
25.2M → Finish2951+294#8462#8168
TOTALS3164*946+2218

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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