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BOSTON MARATHON 2025

Aida Lopez

Bib: 20819•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
Masters (Masters Women)
#0 / 6759
Top 24%
Division (F40-44)
#0 / 1718
Top 47%
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
7:39/mi
23:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:36/mi
47:22
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:11:23
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:37:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:42:22
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:02:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:28:32
↑ 181↓ 1480.2%
20M
8:42/mi
2:40:22
↑ 64↓ 500.2%
21M
9:29/mi
2:49:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
2:56:08
↑ 17↓ 861.7%
23M
8:47/mi
3:07:08
↑ 23↓ 630.6%
24M
8:31/mi
3:15:39
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:23:09
↓ 200.3%
25.2M
9:43/mi
3:26:30
↑ 13↓ 160.2%
Finish· 26.22 mi
8:47/mi
3:35:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:22
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:53:05
Pace8:38 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3423:467:3923:46
7:39
-
10K
6.21 mi11:40:1047:227:3723:36
7:36
-0:03
15K
9.32 mi12:04:111:11:237:4024:01
7:44
+0:08
20K
12.43 mi12:29:501:37:027:4825:39
8:15
+0:31
Half
13.11 mi12:35:101:42:227:495:20
7:49
-0:26
25K
15.53 mi12:54:542:02:067:5219:44
8:08
+0:19
30K
18.64 mi13:21:202:28:327:5826:26
8:30
+0:22
20M
20.00 mi13:33:102:40:228:0111:50
8:42
+0:12
21M
21.00 mi13:42:392:49:518:059:29
9:29
+0:47
35K
21.75 mi13:48:562:56:088:066:17
8:24
-1:05
23M
23.00 mi13:59:563:07:088:0811:00
8:47
+0:23
24M
24.00 mi14:08:273:15:398:098:31
8:31
-0:16
40K
24.85 mi14:15:573:23:098:107:30
8:46
+0:15
25.2M
25.20 mi14:19:183:26:308:123:21
9:43
+0:57
Finish
26.22 mi14:28:153:35:278:138:57
8:47
-0:56

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

7:36 /mi

Average Pace

8:13 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:27

45% of race

Time at Steady Pace

1:46:10

49% of race

Time at Slower Pace

12:50

6% of race

Average Pace: 8:13 /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 mi11:16:3423:467:3923:46
7:39
#13543
10K
6.21 mi11:40:1047:227:3723:36
7:36
#13252
15K
9.32 mi12:04:111:11:237:4024:01
7:44
#13396
20K
12.43 mi12:29:501:37:027:4825:39
8:15
#14323
Half
13.11 mi12:35:101:42:227:495:20
7:49
#14315
25K
15.53 mi12:54:542:02:067:5219:44
8:08
#14389
30K
18.64 mi13:21:202:28:327:5826:26
8:30
#14437
20M
20.00 mi13:33:102:40:228:0111:50
8:42
#14471
21M
21.00 mi13:42:392:49:518:059:29
9:29
#14589
35K
21.75 mi13:48:562:56:088:066:17
8:24
#14565
23M
23.00 mi13:59:563:07:088:0811:00
8:47
#14565
24M
24.00 mi14:08:273:15:398:098:31
8:31
#14564
40K
24.85 mi14:15:573:23:098:107:30
8:46
#14559
25.2M
25.20 mi14:19:183:26:308:123:21
9:43
#14563
Finish
26.22 mi14:28:153:35:278:138:57
8:47
#14678
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi135433626362613799(Top 49%)3899(Top 32%)3899(Top 227%)
10K6.21 mi3.10 mi13252+2913497+1293497+12913007(Top 46%)3374(Top 28%)3374(Top 196%)
15K9.32 mi3.11 mi13396-1443624-1273624-12713799(Top 49%)3899(Top 32%)3899(Top 227%)
20K12.43 mi3.11 mi14323-9274187-5634187-56316667(Top 59%)5582(Top 46%)5582(Top 325%)
Half13.11 mi0.68 mi14315+84189-24189-214477(Top 51%)4342(Top 36%)4342(Top 253%)
25K15.53 mi2.42 mi14389-744268-794268-7914914(Top 53%)4702(Top 38%)4702(Top 274%)
30K18.64 mi3.11 mi14437-484355-874355-8714812(Top 52%)4803(Top 39%)4803(Top 280%)
20M20.00 mi1.36 mi14471-344401-464401-4615129(Top 53%)5109(Top 42%)5109(Top 297%)
21M21.00 mi1.00 mi14589-1184494-934494-9316009(Top 56%)5705(Top 47%)5705(Top 332%)
35K21.75 mi0.75 mi14565+244491+34491+314870(Top 52%)5159(Top 42%)5159(Top 300%)
23M23.00 mi1.25 mi145654525-344525-3415038(Top 53%)5350(Top 44%)5350(Top 311%)
24M24.00 mi1.00 mi14564+14547-224547-2214630(Top 52%)5166(Top 42%)5166(Top 301%)
40K24.85 mi0.85 mi14559+54578-314578-3115038(Top 53%)5533(Top 45%)5533(Top 322%)
25.2M25.20 mi0.35 mi14563-44598-204598-2015706(Top 55%)5917(Top 48%)5917(Top 344%)
Finish26.22 mi1.02 mi14678-1154689-914689-9117959(Top 63%)7053(Top 58%)7053(Top 411%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13799

Females

3899

F40-44

3899

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

13007

Females

3374

F40-44

3374

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13799

Females

3899

F40-44

3899

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16667

Females

5582

F40-44

5582

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

14477

Females

4342

F40-44

4342

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14914

Females

4702

F40-44

4702

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14812

Females

4803

F40-44

4803

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15129

Females

5109

F40-44

5109

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

16009

Females

5705

F40-44

5705

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

14870

Females

5159

F40-44

5159

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

15038

Females

5350

F40-44

5350

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14630

Females

5166

F40-44

5166

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15038

Females

5533

F40-44

5533

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15706

Females

5917

F40-44

5917

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

17959

Females

7053

F40-44

7053

Passing Analysis

Category:
Athletes Passed
1657
Passed By
2792
Net Change
-1135
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13543
5K → 10K444153+291#13543#13252
10K → 15K148292-144#13252#13396
15K → 20K57984-927#13396#14323
20K → Half3830+8#14323#14315
Half → 25K146220-74#14315#14389
25K → 30K226274-48#14389#14437
30K → 20M119153-34#14437#14471
20M → 21M79197-118#14471#14589
21M → 35K8965+24#14589#14565
35K → 23M91910#14565#14565
23M → 24M7877+1#14565#14564
24M → 40K7267+5#14564#14559
40K → 25.2M3438-4#14559#14563
25.2M → Finish36151-115#14563#14678
TOTALS16572792-1135
📊

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