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BOSTON MARATHON 2025

Emily Spadafora

Bib: 26606•F

MA

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
10:32/mi
32:44
↑ 97↓ 3451.5%
10K· 6.21 mi
11:00/mi
1:06:53
↑ 79↓ 1380.4%
15K· 9.32 mi
11:09/mi
1:41:30
↑ 67↓ 78
20K· 12.43 mi
11:30/mi
2:17:13
↑ 106↓ 860.1%
Half· 13.11 mi
10:46/mi
2:24:34
↑ 19↓ 370.5%
25K· 15.53 mi
12:39/mi
2:55:14
↑ 66↓ 880.2%
30K· 18.64 mi
12:04/mi
3:32:44
↑ 181↓ 1480.2%
20M
12:28/mi
3:49:41
↑ 64↓ 500.2%
21M
15:28/mi
4:05:09
↑ 106↓ 241.6%
35K· 21.75 mi
11:38/mi
4:13:51
↑ 17↓ 861.7%
23M
11:36/mi
4:28:23
↑ 23↓ 630.6%
24M
11:57/mi
4:40:19
↓ 821.3%
40K· 24.85 mi
11:57/mi
4:50:32
↓ 200.3%
25.2M
13:46/mi
4:55:17
↑ 13↓ 160.2%
Finish· 26.22 mi
11:29/mi
5:06:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:34
Pace11:02 /mi
2nd Half
Distance13.11 mi
Time2:42:25
Pace12:23 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:1232:4410:3232:44
10:32
-
10K
6.21 mi12:33:211:06:5310:4634:09
11:00
+0:28
15K
9.32 mi13:07:581:41:3010:5334:37
11:09
+0:09
20K
12.43 mi13:43:412:17:1311:0235:43
11:30
+0:21
Half
13.11 mi13:51:022:24:3411:027:21
10:46
-0:44
25K
15.53 mi14:21:422:55:1411:1730:40
12:39
+1:53
30K
18.64 mi14:59:123:32:4411:2537:30
12:04
-0:35
20M
20.00 mi15:16:093:49:4111:2916:57
12:28
+0:24
21M
21.00 mi15:31:374:05:0911:4015:28
15:28
+3:00
35K
21.75 mi15:40:194:13:5111:408:42
11:38
-3:50
23M
23.00 mi15:54:514:28:2311:4014:32
11:36
-0:02
24M
24.00 mi16:06:474:40:1911:4111:56
11:57
+0:21
40K
24.85 mi16:17:004:50:3211:4110:13
11:57
0:00
25.2M
25.20 mi16:21:454:55:1711:434:45
13:46
+1:49
Finish
26.22 mi16:33:275:06:5911:4311:42
11:29
-2:17

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

10:32 /mi

Average Pace

11:43 /mi

Slowest Pace

15:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:14

24% of race

Time at Steady Pace

2:44:55

54% of race

Time at Slower Pace

1:07:50

22% of race

Average Pace: 11:42 /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 mi11:59:1232:4410:3232:44
10:32
#26838
10K
6.21 mi12:33:211:06:5310:4634:09
11:00
#26958
15K
9.32 mi13:07:581:41:3010:5334:37
11:09
#26931
20K
12.43 mi13:43:412:17:1311:0235:43
11:30
#26835
Half
13.11 mi13:51:022:24:3411:027:21
10:46
#26804
25K
15.53 mi14:21:422:55:1411:1730:40
12:39
#26893
30K
18.64 mi14:59:123:32:4411:2537:30
12:04
#26670
20M
20.00 mi15:16:093:49:4111:2916:57
12:28
#26612
21M
21.00 mi15:31:374:05:0911:4015:28
15:28
#26709
35K
21.75 mi15:40:194:13:5111:408:42
11:38
#26666
23M
23.00 mi15:54:514:28:2311:4014:32
11:36
#26560
24M
24.00 mi16:06:474:40:1911:4111:56
11:57
#26536
40K
24.85 mi16:17:004:50:3211:4110:13
11:57
#26509
25.2M
25.20 mi16:21:454:55:1711:434:45
13:46
#26506
Finish
26.22 mi16:33:275:06:5911:4311:42
11:29
#26494
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26838112331123326855(Top 95%)11287(Top 92%)11287(Top 206%)
10K6.21 mi3.10 mi26958-12011321-8811321-8827053(Top 95%)11401(Top 93%)11401(Top 208%)
15K9.32 mi3.11 mi26931+2711314+711314+726855(Top 95%)11287(Top 92%)11287(Top 206%)
20K12.43 mi3.11 mi26835+9611262+5211262+5226621(Top 94%)11171(Top 91%)11171(Top 204%)
Half13.11 mi0.68 mi26804+3111247+1511247+1526192(Top 92%)10934(Top 89%)10934(Top 200%)
25K15.53 mi2.42 mi26893-8911319-7211319-7227040(Top 95%)11450(Top 94%)11450(Top 209%)
30K18.64 mi3.11 mi26670+22311204+11511204+11525679(Top 90%)10777(Top 88%)10777(Top 197%)
20M20.00 mi1.36 mi26612+5811181+2311181+2325871(Top 91%)10943(Top 89%)10943(Top 200%)
21M21.00 mi1.00 mi26709-9711244-6311244-6327498(Top 97%)11814(Top 97%)11814(Top 216%)
35K21.75 mi0.75 mi26666+4311232+1211232+1225291(Top 89%)10742(Top 88%)10742(Top 196%)
23M23.00 mi1.25 mi26560+10611188+4411188+4424417(Top 86%)10308(Top 84%)10308(Top 188%)
24M24.00 mi1.00 mi26536+2411176+1211176+1225597(Top 90%)10932(Top 89%)10932(Top 200%)
40K24.85 mi0.85 mi26509+2711163+1311163+1324820(Top 87%)10588(Top 87%)10588(Top 194%)
25.2M25.20 mi0.35 mi26506+3111631116325984(Top 91%)11172(Top 91%)11172(Top 204%)
Finish26.22 mi1.02 mi26494+1211158+511158+526096(Top 92%)11194(Top 92%)11194(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

26855

Females

11287

F18-39

11287

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

27053

Females

11401

F18-39

11401

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

26855

Females

11287

F18-39

11287

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

26621

Females

11171

F18-39

11171

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26192

Females

10934

F18-39

10934

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

27040

Females

11450

F18-39

11450

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25679

Females

10777

F18-39

10777

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25871

Females

10943

F18-39

10943

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

27498

Females

11814

F18-39

11814

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25291

Females

10742

F18-39

10742

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24417

Females

10308

F18-39

10308

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25597

Females

10932

F18-39

10932

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24820

Females

10588

F18-39

10588

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25984

Females

11172

F18-39

11172

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

26096

Females

11194

F18-39

11194

Passing Analysis

Category:
Athletes Passed
1077
Passed By
733
Net Change
+344
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26838
5K → 10K113233-120#26838#26958
10K → 15K130103+27#26958#26931
15K → 20K14852+96#26931#26835
20K → Half354+31#26835#26804
Half → 25K41130-89#26804#26893
25K → 30K23815+223#26893#26670
30K → 20M7517+58#26670#26612
20M → 21M15112-97#26612#26709
21M → 35K518+43#26709#26666
35K → 23M1093+106#26666#26560
23M → 24M4117+24#26560#26536
24M → 40K358+27#26536#26509
40K → 25.2M1714+3#26509#26506
25.2M → Finish2917+12#26506#26494
TOTALS1077733+344
📊

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