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BOSTON MARATHON 2025

Hayley Spitzer

Bib: 18035•F

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
10:24/mi
32:19
↑ 97↓ 3451.5%
10K· 6.21 mi
10:51/mi
1:06:03
↑ 79↓ 1380.4%
15K· 9.32 mi
10:20/mi
1:38:08
↑ 67↓ 78
20K· 12.43 mi
10:15/mi
2:09:59
↑ 106↓ 860.1%
Half· 13.11 mi
9:32/mi
2:16:29
↑ 19↓ 370.5%
25K· 15.53 mi
9:47/mi
2:40:13
↑ 66↓ 880.2%
30K· 18.64 mi
9:33/mi
3:09:52
↑ 181↓ 1480.2%
20M
9:33/mi
3:22:51
↑ 64↓ 500.2%
21M
9:38/mi
3:32:29
↑ 106↓ 241.6%
35K· 21.75 mi
8:51/mi
3:39:06
↑ 17↓ 861.7%
23M
8:59/mi
3:50:21
↑ 23↓ 630.6%
24M
8:41/mi
3:59:02
↓ 821.3%
40K· 24.85 mi
9:10/mi
4:06:52
↓ 200.3%
25.2M
9:46/mi
4:10:14
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
4:18:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:16:29
Pace10:25 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:02:13
Pace9:19 /mi
📊Negative Split: 10.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4732:1910:2432:19
10:24
-
10K
6.21 mi11:56:311:06:0310:3833:44
10:51
+0:27
15K
9.32 mi12:28:361:38:0810:3232:05
10:20
-0:31
20K
12.43 mi13:00:272:09:5910:2831:51
10:15
-0:05
Half
13.11 mi13:06:572:16:2910:256:30
9:32
-0:43
25K
15.53 mi13:30:412:40:1310:1923:44
9:47
+0:15
30K
18.64 mi14:00:203:09:5210:1129:39
9:33
-0:14
20M
20.00 mi14:13:193:22:5110:0912:59
9:33
0:00
21M
21.00 mi14:22:573:32:2910:079:38
9:38
+0:05
35K
21.75 mi14:29:343:39:0610:046:37
8:51
-0:47
23M
23.00 mi14:40:493:50:2110:0111:15
8:59
+0:08
24M
24.00 mi14:49:303:59:029:588:41
8:41
-0:18
40K
24.85 mi14:57:204:06:529:567:50
9:10
+0:29
25.2M
25.20 mi15:00:424:10:149:563:22
9:46
+0:36
Finish
26.22 mi15:09:104:18:429:528:28
8:19
-1:27

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

8:19 /mi

Average Pace

9:52 /mi

Slowest Pace

10:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:51

17% of race

Time at Steady Pace

1:25:52

33% of race

Time at Slower Pace

2:09:59

50% of race

Average Pace: 9:52 /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 mi11:22:4732:1910:2432:19
10:24
#26545
10K
6.21 mi11:56:311:06:0310:3833:44
10:51
#26737
15K
9.32 mi12:28:361:38:0810:3232:05
10:20
#26342
20K
12.43 mi13:00:272:09:5910:2831:51
10:15
#25901
Half
13.11 mi13:06:572:16:2910:256:30
9:32
#25822
25K
15.53 mi13:30:412:40:1310:1923:44
9:47
#25353
30K
18.64 mi14:00:203:09:5210:1129:39
9:33
#24634
20M
20.00 mi14:13:193:22:5110:0912:59
9:33
#24348
21M
21.00 mi14:22:573:32:2910:079:38
9:38
#24044
35K
21.75 mi14:29:343:39:0610:046:37
8:51
#23843
23M
23.00 mi14:40:493:50:2110:0111:15
8:59
#23509
24M
24.00 mi14:49:303:59:029:588:41
8:41
#23255
40K
24.85 mi14:57:204:06:529:567:50
9:10
#23085
25.2M
25.20 mi15:00:424:10:149:563:22
9:46
#23009
Finish
26.22 mi15:09:104:18:429:528:28
8:19
#22792
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26545110641106425644(Top 90%)10584(Top 87%)10584(Top 194%)
10K6.21 mi3.10 mi26737-19211186-12211186-12226865(Top 95%)11286(Top 92%)11286(Top 206%)
15K9.32 mi3.11 mi26342+39510972+21410972+21425644(Top 90%)10584(Top 87%)10584(Top 194%)
20K12.43 mi3.11 mi25901+44110733+23910733+23924749(Top 87%)10126(Top 83%)10126(Top 185%)
Half13.11 mi0.68 mi25822+7910686+4710686+4723653(Top 83%)9514(Top 78%)9514(Top 174%)
25K15.53 mi2.42 mi25353+46910445+24110445+24122743(Top 80%)9058(Top 74%)9058(Top 166%)
30K18.64 mi3.11 mi24634+71910076+36910076+36920124(Top 71%)7727(Top 63%)7727(Top 141%)
20M20.00 mi1.36 mi24348+2869935+1419935+14119444(Top 68%)7499(Top 61%)7499(Top 137%)
21M21.00 mi1.00 mi24044+3049793+1429793+14216744(Top 59%)6126(Top 50%)6126(Top 112%)
35K21.75 mi0.75 mi23843+2019694+999694+9917549(Top 62%)6675(Top 55%)6675(Top 122%)
23M23.00 mi1.25 mi23509+3349532+1629532+16216206(Top 57%)6008(Top 49%)6008(Top 110%)
24M24.00 mi1.00 mi23255+2549422+1109422+11015697(Top 55%)5763(Top 47%)5763(Top 105%)
40K24.85 mi0.85 mi23085+1709353+699353+6917221(Top 61%)6716(Top 55%)6716(Top 123%)
25.2M25.20 mi0.35 mi23009+769313+409313+4016021(Top 56%)6126(Top 50%)6126(Top 112%)
Finish26.22 mi1.02 mi22792+2179218+959218+9515022(Top 53%)5507(Top 45%)5507(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25644

Females

10584

F18-39

10584

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

26865

Females

11286

F18-39

11286

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25644

Females

10584

F18-39

10584

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24749

Females

10126

F18-39

10126

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23653

Females

9514

F18-39

9514

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

22743

Females

9058

F18-39

9058

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20124

Females

7727

F18-39

7727

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

19444

Females

7499

F18-39

7499

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16744

Females

6126

F18-39

6126

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17549

Females

6675

F18-39

6675

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16206

Females

6008

F18-39

6008

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15697

Females

5763

F18-39

5763

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17221

Females

6716

F18-39

6716

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

16021

Females

6126

F18-39

6126

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

15022

Females

5507

F18-39

5507

Passing Analysis

Category:
Athletes Passed
4063
Passed By
310
Net Change
+3753
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26545
5K → 10K103295-192#26545#26737
10K → 15K40510+395#26737#26342
15K → 20K4421+441#26342#25901
20K → Half801+79#25901#25822
Half → 25K4712+469#25822#25353
25K → 30K7190+719#25353#24634
30K → 20M2860+286#24634#24348
20M → 21M3040+304#24348#24044
21M → 35K2010+201#24044#23843
35K → 23M3340+334#23843#23509
23M → 24M2540+254#23509#23255
24M → 40K1711+170#23255#23085
40K → 25.2M760+76#23085#23009
25.2M → Finish2170+217#23009#22792
TOTALS4063310+3753
📊

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