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BOSTON MARATHON 2025

Samanta Pulido Aguilar

Bib: 20835•F

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 39%
Masters (Masters Women)
#0 / 6759
Top 25%
Division (F40-44)
#0 / 1718
Top 49%
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
7:59/mi
24:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:30
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:14:28
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:39:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:44:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:04:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:35/mi
2:31:13
↑ 181↓ 1480.2%
20M
8:45/mi
2:43:07
↑ 64↓ 500.2%
21M
9:14/mi
2:52:21
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:58:23
↑ 17↓ 861.7%
23M
8:31/mi
3:09:03
↑ 23↓ 630.6%
24M
8:17/mi
3:17:20
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:24:31
↓ 200.3%
25.2M
9:23/mi
3:27:45
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:36:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:56
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:51:22
Pace8:30 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3824:497:5924:49
7:59
-
10K
6.21 mi11:41:1949:307:5824:41
7:57
-0:02
15K
9.32 mi12:06:171:14:287:5924:58
8:02
+0:05
20K
12.43 mi12:31:181:39:298:0025:01
8:03
+0:01
Half
13.11 mi12:36:451:44:568:005:27
7:59
-0:04
25K
15.53 mi12:56:222:04:338:0119:37
8:05
+0:06
30K
18.64 mi13:23:022:31:138:0726:40
8:35
+0:30
20M
20.00 mi13:34:562:43:078:0911:54
8:45
+0:10
21M
21.00 mi13:44:102:52:218:129:14
9:14
+0:29
35K
21.75 mi13:50:122:58:238:126:02
8:04
-1:10
23M
23.00 mi14:00:523:09:038:1310:40
8:31
+0:27
24M
24.00 mi14:09:093:17:208:138:17
8:17
-0:14
40K
24.85 mi14:16:203:24:318:147:11
8:24
+0:07
25.2M
25.20 mi14:19:343:27:458:153:14
9:23
+0:59
Finish
26.22 mi14:28:073:36:188:158:33
8:23
-1:00

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

7:57 /mi

Average Pace

8:15 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:56

89% of race

Time at Steady Pace

21:08

10% of race

Time at Slower Pace

3:14

1% of race

Average Pace: 8:15 /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 mi11:16:3824:497:5924:49
7:59
#16492
10K
6.21 mi11:41:1949:307:5824:41
7:57
#16231
15K
9.32 mi12:06:171:14:287:5924:58
8:02
#16245
20K
12.43 mi12:31:181:39:298:0025:01
8:03
#15973
Half
13.11 mi12:36:451:44:568:005:27
7:59
#15955
25K
15.53 mi12:56:222:04:338:0119:37
8:05
#15697
30K
18.64 mi13:23:022:31:138:0726:40
8:35
#15611
20M
20.00 mi13:34:562:43:078:0911:54
8:45
#15525
21M
21.00 mi13:44:102:52:218:129:14
9:14
#15451
35K
21.75 mi13:50:122:58:238:126:02
8:04
#15315
23M
23.00 mi14:00:523:09:038:1310:40
8:31
#15177
24M
24.00 mi14:09:093:17:208:138:17
8:17
#15044
40K
24.85 mi14:16:203:24:318:147:11
8:24
#14946
25.2M
25.20 mi14:19:343:27:458:153:14
9:23
#14916
Finish
26.22 mi14:28:073:36:188:158:33
8:23
#14922
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi164925443544316329(Top 57%)5329(Top 44%)5329(Top 310%)
10K6.21 mi3.10 mi16231+2615284+1595284+15916041(Top 56%)5142(Top 42%)5142(Top 299%)
15K9.32 mi3.11 mi16245-145278+65278+616329(Top 57%)5329(Top 44%)5329(Top 310%)
20K12.43 mi3.11 mi15973+2725130+1485130+14815309(Top 54%)4807(Top 39%)4807(Top 280%)
Half13.11 mi0.68 mi15955+185124+65124+615843(Top 56%)5078(Top 42%)5078(Top 296%)
25K15.53 mi2.42 mi15697+2584992+1324992+13214596(Top 51%)4540(Top 37%)4540(Top 264%)
30K18.64 mi3.11 mi15611+865000-85000-815288(Top 54%)5066(Top 41%)5066(Top 295%)
20M20.00 mi1.36 mi15525+864985+154985+1515430(Top 54%)5280(Top 43%)5280(Top 307%)
21M21.00 mi1.00 mi15451+744983+24983+214823(Top 52%)5063(Top 41%)5063(Top 295%)
35K21.75 mi0.75 mi15315+1364919+644919+6412752(Top 45%)4035(Top 33%)4035(Top 235%)
23M23.00 mi1.25 mi15177+1384874+454874+4513449(Top 47%)4501(Top 37%)4501(Top 262%)
24M24.00 mi1.00 mi15044+1334830+444830+4413170(Top 46%)4409(Top 36%)4409(Top 257%)
40K24.85 mi0.85 mi14946+984798+324798+3212839(Top 45%)4359(Top 36%)4359(Top 254%)
25.2M25.20 mi0.35 mi14916+304798479813933(Top 49%)4976(Top 41%)4976(Top 290%)
Finish26.22 mi1.02 mi14922-64829-314829-3115525(Top 55%)5765(Top 47%)5765(Top 336%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16329

Females

5329

F40-44

5329

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

16041

Females

5142

F40-44

5142

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16329

Females

5329

F40-44

5329

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15309

Females

4807

F40-44

4807

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15843

Females

5078

F40-44

5078

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14596

Females

4540

F40-44

4540

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15288

Females

5066

F40-44

5066

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15430

Females

5280

F40-44

5280

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14823

Females

5063

F40-44

5063

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12752

Females

4035

F40-44

4035

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13449

Females

4501

F40-44

4501

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

13170

Females

4409

F40-44

4409

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12839

Females

4359

F40-44

4359

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13933

Females

4976

F40-44

4976

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15525

Females

5765

F40-44

5765

Passing Analysis

Category:
Athletes Passed
2625
Passed By
1055
Net Change
+1570
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16492
5K → 10K434173+261#16492#16231
10K → 15K203217-14#16231#16245
15K → 20K34876+272#16245#15973
20K → Half4123+18#15973#15955
Half → 25K30749+258#15955#15697
25K → 30K280194+86#15697#15611
30K → 20M15064+86#15611#15525
20M → 21M14773+74#15525#15451
21M → 35K1448+136#15451#15315
35K → 23M17133+138#15315#15177
23M → 24M15724+133#15177#15044
24M → 40K11921+98#15044#14946
40K → 25.2M5424+30#14946#14916
25.2M → Finish7076-6#14916#14922
TOTALS26251055+1570
📊

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