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BOSTON MARATHON 2025

Sara Wilcox

Bib: 16056•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
Masters (Masters Women)
#0 / 6759
Top 19%
Division (F45-49)
#0 / 1813
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
7:42/mi
23:56
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
47:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:11:56
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:36:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:41:36
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
2:00:38
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:26:19
↑ 181↓ 1480.2%
20M
8:28/mi
2:37:50
↑ 64↓ 500.2%
21M
9:10/mi
2:47:00
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:53:09
↑ 17↓ 861.7%
23M
8:37/mi
3:03:56
↑ 23↓ 630.6%
24M
8:30/mi
3:12:26
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:19:52
↓ 200.3%
25.2M
9:25/mi
3:23:07
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:31:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:36
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:49:55
Pace8:23 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:3323:567:4223:56
7:42
-
10K
6.21 mi11:22:2047:437:4123:47
7:39
-0:03
15K
9.32 mi11:46:331:11:567:4324:13
7:48
+0:09
20K
12.43 mi12:10:571:36:207:4524:24
7:51
+0:03
Half
13.11 mi12:16:131:41:367:455:16
7:43
-0:08
25K
15.53 mi12:35:152:00:387:4619:02
7:51
+0:08
30K
18.64 mi13:00:562:26:197:5125:41
8:16
+0:25
20M
20.00 mi13:12:272:37:507:5311:31
8:28
+0:12
21M
21.00 mi13:21:372:47:007:579:10
9:10
+0:42
35K
21.75 mi13:27:462:53:097:586:09
8:13
-0:57
23M
23.00 mi13:38:333:03:568:0010:47
8:37
+0:24
24M
24.00 mi13:47:033:12:268:018:30
8:30
-0:07
40K
24.85 mi13:54:293:19:528:027:26
8:42
+0:12
25.2M
25.20 mi13:57:443:23:078:043:15
9:25
+0:43
Finish
26.22 mi14:06:083:31:318:048:24
8:15
-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

7:39 /mi

Average Pace

8:04 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:38

57% of race

Time at Steady Pace

1:00:15

28% of race

Time at Slower Pace

30:38

14% of race

Average Pace: 8:04 /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 mi10:58:3323:567:4223:56
7:42
#14016
10K
6.21 mi11:22:2047:437:4123:47
7:39
#13751
15K
9.32 mi11:46:331:11:567:4324:13
7:48
#13907
20K
12.43 mi12:10:571:36:207:4524:24
7:51
#13825
Half
13.11 mi12:16:131:41:367:455:16
7:43
#13794
25K
15.53 mi12:35:152:00:387:4619:02
7:51
#13591
30K
18.64 mi13:00:562:26:197:5125:41
8:16
#13470
20M
20.00 mi13:12:272:37:507:5311:31
8:28
#13468
21M
21.00 mi13:21:372:47:007:579:10
9:10
#13504
35K
21.75 mi13:27:462:53:097:586:09
8:13
#13489
23M
23.00 mi13:38:333:03:568:0010:47
8:37
#13488
24M
24.00 mi13:47:033:12:268:018:30
8:30
#13538
40K
24.85 mi13:54:293:19:528:027:26
8:42
#13579
25.2M
25.20 mi13:57:443:23:078:043:15
9:25
#13589
Finish
26.22 mi14:06:083:31:318:048:24
8:15
#13620
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi140163919391914342(Top 50%)4230(Top 35%)4230(Top 233%)
10K6.21 mi3.10 mi13751+2653796+1233796+12313515(Top 48%)3674(Top 30%)3674(Top 203%)
15K9.32 mi3.11 mi13907-1563913-1173913-11714342(Top 50%)4230(Top 35%)4230(Top 233%)
20K12.43 mi3.11 mi13825+823915-23915-213723(Top 48%)3942(Top 32%)3942(Top 217%)
Half13.11 mi0.68 mi13794+313902+133902+1313638(Top 48%)3860(Top 32%)3860(Top 213%)
25K15.53 mi2.42 mi13591+2033813+893813+8912781(Top 45%)3552(Top 29%)3552(Top 196%)
30K18.64 mi3.11 mi13470+1213799+143799+1413283(Top 47%)3993(Top 33%)3993(Top 220%)
20M20.00 mi1.36 mi13468+23837-383837-3813640(Top 48%)4313(Top 35%)4313(Top 238%)
21M21.00 mi1.00 mi13504-363892-553892-5514444(Top 51%)4856(Top 40%)4856(Top 268%)
35K21.75 mi0.75 mi13489+153909-173909-1713783(Top 49%)4563(Top 37%)4563(Top 252%)
23M23.00 mi1.25 mi13488+13950-413950-4114024(Top 49%)4802(Top 39%)4802(Top 265%)
24M24.00 mi1.00 mi13538-503996-463996-4614511(Top 51%)5096(Top 42%)5096(Top 281%)
40K24.85 mi0.85 mi13579-414051-554051-5514585(Top 51%)5284(Top 43%)5284(Top 291%)
25.2M25.20 mi0.35 mi13589-104063-124063-1214185(Top 50%)5105(Top 42%)5105(Top 282%)
Finish26.22 mi1.02 mi13620-314111-484111-4814571(Top 51%)5239(Top 43%)5239(Top 289%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14342

Females

4230

F45-49

4230

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13515

Females

3674

F45-49

3674

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14342

Females

4230

F45-49

4230

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13723

Females

3942

F45-49

3942

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13638

Females

3860

F45-49

3860

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12781

Females

3552

F45-49

3552

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13283

Females

3993

F45-49

3993

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13640

Females

4313

F45-49

4313

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14444

Females

4856

F45-49

4856

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13783

Females

4563

F45-49

4563

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

14024

Females

4802

F45-49

4802

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14511

Females

5096

F45-49

5096

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14585

Females

5284

F45-49

5284

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14185

Females

5105

F45-49

5105

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

14571

Females

5239

F45-49

5239

Passing Analysis

Category:
Athletes Passed
2051
Passed By
1655
Net Change
+396
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14016
5K → 10K420155+265#14016#13751
10K → 15K131287-156#13751#13907
15K → 20K263181+82#13907#13825
20K → Half5019+31#13825#13794
Half → 25K27774+203#13794#13591
25K → 30K287166+121#13591#13470
30K → 20M123121+2#13470#13468
20M → 21M98134-36#13468#13504
21M → 35K6045+15#13504#13489
35K → 23M112111+1#13489#13488
23M → 24M70120-50#13488#13538
24M → 40K66107-41#13538#13579
40K → 25.2M3444-10#13579#13589
25.2M → Finish6091-31#13589#13620
TOTALS20511655+396
📊

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