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BOSTON MARATHON 2025

Sara Fenstermaker

Bib: 19714•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 46%
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
7:56/mi
24:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:20
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:14:00
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:38:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:43:36
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
2:02:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:58/mi
2:27:00
↑ 181↓ 1480.2%
20M
7:57/mi
2:37:48
↑ 64↓ 500.2%
21M
8:24/mi
2:46:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:51:54
↑ 17↓ 861.7%
23M
7:49/mi
3:01:41
↑ 23↓ 630.6%
24M
7:43/mi
3:09:24
↓ 821.3%
40K· 24.85 mi
7:48/mi
3:16:04
↓ 200.3%
25.2M
8:27/mi
3:18:59
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:26:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:36
Pace7:54 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:10
Pace7:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0824:387:5624:38
7:56
-
10K
6.21 mi11:40:5049:207:5624:42
7:57
+0:01
15K
9.32 mi12:05:301:14:007:5624:40
7:56
-0:01
20K
12.43 mi12:29:521:38:227:5524:22
7:51
-0:05
Half
13.11 mi12:35:061:43:367:545:14
7:40
-0:11
25K
15.53 mi12:53:462:02:167:5218:40
7:42
+0:02
30K
18.64 mi13:18:302:27:007:5324:44
7:58
+0:16
20M
20.00 mi13:29:182:37:487:5310:48
7:57
-0:01
21M
21.00 mi13:37:422:46:127:558:24
8:24
+0:27
35K
21.75 mi13:43:242:51:547:545:42
7:37
-0:47
23M
23.00 mi13:53:113:01:417:549:47
7:49
+0:12
24M
24.00 mi14:00:543:09:247:547:43
7:43
-0:06
40K
24.85 mi14:07:343:16:047:536:40
7:48
+0:05
25.2M
25.20 mi14:10:293:18:597:542:55
8:27
+0:39
Finish
26.22 mi14:18:163:26:467:547:47
7:38
-0:49

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

7:37 /mi

Average Pace

7:54 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:27

95% of race

Time at Steady Pace

11:19

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi11:16:0824:387:5624:38
7:56
#15996
10K
6.21 mi11:40:5049:207:5624:42
7:57
#16008
15K
9.32 mi12:05:301:14:007:5624:40
7:56
#15833
20K
12.43 mi12:29:521:38:227:5524:22
7:51
#15237
Half
13.11 mi12:35:061:43:367:545:14
7:40
#15119
25K
15.53 mi12:53:462:02:167:5218:40
7:42
#14474
30K
18.64 mi13:18:302:27:007:5324:44
7:58
#13768
20M
20.00 mi13:29:182:37:487:5310:48
7:57
#13449
21M
21.00 mi13:37:422:46:127:558:24
8:24
#13200
35K
21.75 mi13:43:242:51:547:545:42
7:37
#13045
23M
23.00 mi13:53:113:01:417:549:47
7:49
#12757
24M
24.00 mi14:00:543:09:247:547:43
7:43
#12576
40K
24.85 mi14:07:343:16:047:536:40
7:48
#12397
25.2M
25.20 mi14:10:293:18:597:542:55
8:27
#12318
Finish
26.22 mi14:18:163:26:467:547:47
7:38
#12214
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi159965144514415569(Top 55%)4886(Top 40%)4886(Top 89%)
10K6.21 mi3.10 mi16008-125137+75137+716067(Top 57%)5155(Top 42%)5155(Top 94%)
15K9.32 mi3.11 mi15833+1755034+1035034+10315569(Top 55%)4886(Top 40%)4886(Top 89%)
20K12.43 mi3.11 mi15237+5964714+3204714+32013622(Top 48%)3884(Top 32%)3884(Top 71%)
Half13.11 mi0.68 mi15119+1184647+674647+6713196(Top 46%)3596(Top 29%)3596(Top 66%)
25K15.53 mi2.42 mi14474+6454317+3304317+33011556(Top 41%)2885(Top 24%)2885(Top 53%)
30K18.64 mi3.11 mi13768+7063975+3423975+34211125(Top 39%)2855(Top 23%)2855(Top 52%)
20M20.00 mi1.36 mi13449+3193826+1493826+14910127(Top 36%)2502(Top 20%)2502(Top 46%)
21M21.00 mi1.00 mi13200+2493721+1053721+1059883(Top 35%)2567(Top 21%)2567(Top 47%)
35K21.75 mi0.75 mi13045+1553647+743647+749546(Top 34%)2401(Top 20%)2401(Top 44%)
23M23.00 mi1.25 mi12757+2883532+1153532+1158725(Top 31%)2144(Top 18%)2144(Top 39%)
24M24.00 mi1.00 mi12576+1813459+733459+739266(Top 33%)2464(Top 20%)2464(Top 45%)
40K24.85 mi0.85 mi12397+1793404+553404+558806(Top 31%)2376(Top 19%)2376(Top 43%)
25.2M25.20 mi0.35 mi12318+793379+253379+258662(Top 30%)2375(Top 19%)2375(Top 43%)
Finish26.22 mi1.02 mi12214+1043360+193360+1910255(Top 36%)3115(Top 25%)3115(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15569

Females

4886

F18-39

4886

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16067

Females

5155

F18-39

5155

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15569

Females

4886

F18-39

4886

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13622

Females

3884

F18-39

3884

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

13196

Females

3596

F18-39

3596

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11556

Females

2885

F18-39

2885

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11125

Females

2855

F18-39

2855

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10127

Females

2502

F18-39

2502

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9883

Females

2567

F18-39

2567

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9546

Females

2401

F18-39

2401

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8725

Females

2144

F18-39

2144

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9266

Females

2464

F18-39

2464

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8806

Females

2376

F18-39

2376

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8662

Females

2375

F18-39

2375

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10255

Females

3115

F18-39

3115

Passing Analysis

Category:
Athletes Passed
4322
Passed By
540
Net Change
+3782
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15996
5K → 10K321333-12#15996#16008
10K → 15K297122+175#16008#15833
15K → 20K60711+596#15833#15237
20K → Half1213+118#15237#15119
Half → 25K6450+645#15119#14474
25K → 30K7148+706#14474#13768
30K → 20M3234+319#13768#13449
20M → 21M2589+249#13449#13200
21M → 35K1572+155#13200#13045
35K → 23M2924+288#13045#12757
23M → 24M19211+181#12757#12576
24M → 40K1823+179#12576#12397
40K → 25.2M801+79#12397#12318
25.2M → Finish13329+104#12318#12214
TOTALS4322540+3782
📊

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