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BOSTON MARATHON 2025

Paulina Santoyo

Bib: 19500•F

IL

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 22%
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
7:36/mi
23:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
46:04
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:08:19
↑ 67↓ 78
20K· 12.43 mi
7:12/mi
1:30:41
↑ 106↓ 860.1%
Half· 13.11 mi
6:55/mi
1:35:24
↑ 19↓ 370.5%
25K· 15.53 mi
7:10/mi
1:52:46
↑ 66↓ 880.2%
30K· 18.64 mi
7:31/mi
2:16:07
↑ 181↓ 1480.2%
20M
7:36/mi
2:26:27
↑ 64↓ 500.2%
21M
8:05/mi
2:34:32
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:40:01
↑ 17↓ 861.7%
23M
7:35/mi
2:49:31
↑ 23↓ 630.6%
24M
7:30/mi
2:57:01
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:03:29
↓ 200.3%
25.2M
8:27/mi
3:06:24
↑ 13↓ 160.2%
Finish· 26.22 mi
7:32/mi
3:14:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:24
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:38:41
Pace7:32 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1823:387:3623:38
7:36
-
10K
6.21 mi11:37:4446:047:2522:26
7:13
-0:23
15K
9.32 mi11:59:591:08:197:2022:15
7:10
-0:03
20K
12.43 mi12:22:211:30:417:1822:22
7:12
+0:02
Half
13.11 mi12:27:041:35:247:174:43
6:55
-0:17
25K
15.53 mi12:44:261:52:467:1617:22
7:10
+0:15
30K
18.64 mi13:07:472:16:077:1823:21
7:31
+0:21
20M
20.00 mi13:18:072:26:277:1910:20
7:36
+0:05
21M
21.00 mi13:26:122:34:327:228:05
8:05
+0:29
35K
21.75 mi13:31:412:40:017:215:29
7:20
-0:45
23M
23.00 mi13:41:112:49:317:229:30
7:35
+0:15
24M
24.00 mi13:48:412:57:017:237:30
7:30
-0:05
40K
24.85 mi13:55:093:03:297:236:28
7:34
+0:04
25.2M
25.20 mi13:58:043:06:247:242:55
8:27
+0:53
Finish
26.22 mi14:05:453:14:057:247:41
7:32
-0:55

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

6:55 /mi

Average Pace

7:24 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:08

46% of race

Time at Steady Pace

1:33:57

48% of race

Time at Slower Pace

11:00

6% 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 mi11:15:1823:387:3623:38
7:36
#13177
10K
6.21 mi11:37:4446:047:2522:26
7:13
#11358
15K
9.32 mi11:59:591:08:197:2022:15
7:10
#10480
20K
12.43 mi12:22:211:30:417:1822:22
7:12
#9856
Half
13.11 mi12:27:041:35:247:174:43
6:55
#9670
25K
15.53 mi12:44:261:52:467:1617:22
7:10
#9217
30K
18.64 mi13:07:472:16:077:1823:21
7:31
#8854
20M
20.00 mi13:18:072:26:277:1910:20
7:36
#8724
21M
21.00 mi13:26:122:34:327:228:05
8:05
#8627
35K
21.75 mi13:31:412:40:017:215:29
7:20
#8549
23M
23.00 mi13:41:112:49:317:229:30
7:35
#8381
24M
24.00 mi13:48:412:57:017:237:30
7:30
#8299
40K
24.85 mi13:55:093:03:297:236:28
7:34
#8221
25.2M
25.20 mi13:58:043:06:247:242:55
8:27
#8219
Finish
26.22 mi14:05:453:14:057:247:41
7:32
#8252
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi13177341434148807(Top 31%)1342(Top 11%)1342(Top 25%)
10K6.21 mi3.10 mi11358+18192475+9392475+9399676(Top 34%)1672(Top 14%)1672(Top 31%)
15K9.32 mi3.11 mi10480+8782062+4132062+4138807(Top 31%)1342(Top 11%)1342(Top 25%)
20K12.43 mi3.11 mi9856+6241801+2611801+2618224(Top 29%)1199(Top 10%)1199(Top 22%)
Half13.11 mi0.68 mi9670+1861719+821719+827077(Top 25%)802(Top 7%)802(Top 15%)
25K15.53 mi2.42 mi9217+4531547+1721547+1727370(Top 26%)991(Top 8%)991(Top 18%)
30K18.64 mi3.11 mi8854+3631446+1011446+1017866(Top 28%)1339(Top 11%)1339(Top 24%)
20M20.00 mi1.36 mi8724+1301430+161430+167731(Top 27%)1434(Top 12%)1434(Top 26%)
21M21.00 mi1.00 mi8627+971421+91421+97870(Top 28%)1667(Top 14%)1667(Top 30%)
35K21.75 mi0.75 mi8549+781405+161405+167449(Top 26%)1471(Top 12%)1471(Top 27%)
23M23.00 mi1.25 mi8381+1681385+201385+207187(Top 25%)1478(Top 12%)1478(Top 27%)
24M24.00 mi1.00 mi8299+82138513857710(Top 27%)1743(Top 14%)1743(Top 32%)
40K24.85 mi0.85 mi8221+781388-31388-37206(Top 25%)1636(Top 13%)1636(Top 30%)
25.2M25.20 mi0.35 mi8219+21404-161404-168590(Top 30%)2303(Top 19%)2303(Top 42%)
Finish26.22 mi1.02 mi8252-331451-471451-479494(Top 33%)2749(Top 22%)2749(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8807

Females

1342

F18-39

1342

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9676

Females

1672

F18-39

1672

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8807

Females

1342

F18-39

1342

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8224

Females

1199

F18-39

1199

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7077

Females

802

F18-39

802

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7370

Females

991

F18-39

991

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7866

Females

1339

F18-39

1339

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7731

Females

1434

F18-39

1434

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7870

Females

1667

F18-39

1667

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7449

Females

1471

F18-39

1471

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

7187

Females

1478

F18-39

1478

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7710

Females

1743

F18-39

1743

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7206

Females

1636

F18-39

1636

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8590

Females

2303

F18-39

2303

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9494

Females

2749

F18-39

2749

Passing Analysis

Category:
Athletes Passed
5316*
Passed By
391
Net Change
+4925
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13177
5K → 10K18223+1819#13177#11358
10K → 15K8824+878#11358#10480
15K → 20K629*5+624#10480#9856
20K → Half1871+186#9856#9670
Half → 25K4607+453#9670#9217
25K → 30K42259+363#9217#8854
30K → 20M16535+130#8854#8724
20M → 21M13841+97#8724#8627
21M → 35K10224+78#8627#8549
35K → 23M19426+168#8549#8381
23M → 24M12139+82#8381#8299
24M → 40K10426+78#8299#8221
40K → 25.2M3230+2#8221#8219
25.2M → Finish5891-33#8219#8252
TOTALS5316*391+4925

* 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