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BOSTON MARATHON 2025

Emily Valentini

Bib: 16495•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:33
Rank: #9990
Start → 5K
22:33 | 7:15/mi
10K· 6.21 mi
45:07
Rank: #10009 (-19)
5K → 10K
22:34 | 7:16/mi
15K· 9.32 mi
1:07:42
Rank: #9896 (+113)
10K → 15K
22:35 | 7:16/mi
20K· 12.43 mi
1:31:33
Rank: #10467 (-571)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:36:55
Rank: #10701 (-234)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
1:57:33
Rank: #11901 (-1200)
Half → 25K
20:38 | 8:31/mi
30K· 18.64 mi
2:25:24
Rank: #13082 (-1181)
25K → 30K
27:51 | 8:58/mi
20M
2:39:18
Rank: #14036 (-954)
30K → 20M
13:54 | 10:14/mi
21M
2:49:06
Rank: #14302 (-266)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
2:55:37
Rank: #14405 (-103)
21M → 35K
6:31 | 8:43/mi
23M
3:10:20
Rank: #15558 (-1153)
35K → 23M
14:43 | 11:45/mi
24M
3:18:54
Rank: #15521 (+37)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:28:02
Rank: #15879 (-358)
24M → 40K
9:08 | 10:41/mi
25.2M
3:31:15
Rank: #15830 (+49)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:40:37
Rank: #16025 (-195)
25.2M → Finish
9:22 | 9:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:55
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time2:03:42
Pace9:26 /mi
📊Positive Split: 27.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4822:337:1522:33
7:15
-
10K
6.21 mi11:18:2245:077:1622:34
7:16
+0:01
15K
9.32 mi11:40:571:07:427:1622:35
7:16
0:00
20K
12.43 mi12:04:481:31:337:2223:51
7:41
+0:25
Half
13.11 mi12:10:101:36:557:245:22
7:52
+0:11
25K
15.53 mi12:30:481:57:337:3420:38
8:31
+0:39
30K
18.64 mi12:58:392:25:247:4827:51
8:58
+0:27
20M
20.00 mi13:12:332:39:187:5813:54
10:14
+1:16
21M
21.00 mi13:22:212:49:068:039:48
9:48
-0:26
35K
21.75 mi13:28:522:55:378:056:31
8:43
-1:05
23M
23.00 mi13:43:353:10:208:1714:43
11:45
+3:02
24M
24.00 mi13:52:093:18:548:178:34
8:34
-3:11
40K
24.85 mi14:01:173:28:028:229:08
10:41
+2:07
25.2M
25.20 mi14:04:303:31:158:233:13
9:20
-1:21
Finish
26.22 mi14:13:523:40:378:259:22
9:11
-0:09

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

7:15 /mi

Average Pace

8:25 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:55

44% of race

Time at Steady Pace

1:16:09

35% of race

Time at Slower Pace

47:33

22% of race

Average Pace: 8:25 /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 mi10:55:4822:337:1522:33
7:15
#9990
10K
6.21 mi11:18:2245:077:1622:34
7:16
#10009
15K
9.32 mi11:40:571:07:427:1622:35
7:16
#9896
20K
12.43 mi12:04:481:31:337:2223:51
7:41
#10467
Half
13.11 mi12:10:101:36:557:245:22
7:52
#10701
25K
15.53 mi12:30:481:57:337:3420:38
8:31
#11901
30K
18.64 mi12:58:392:25:247:4827:51
8:58
#13082
20M
20.00 mi13:12:332:39:187:5813:54
10:14
#14036
21M
21.00 mi13:22:212:49:068:039:48
9:48
#14302
35K
21.75 mi13:28:522:55:378:056:31
8:43
#14405
23M
23.00 mi13:43:353:10:208:1714:43
11:45
#15558
24M
24.00 mi13:52:093:18:548:178:34
8:34
#15521
40K
24.85 mi14:01:173:28:028:229:08
10:41
#15879
25.2M
25.20 mi14:04:303:31:158:233:13
9:20
#15830
Finish
26.22 mi14:13:523:40:378:259:22
9:11
#16025
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9990180618069745(Top 34%)1777(Top 15%)1777(Top 32%)
10K6.21 mi3.10 mi10009-191813-71813-710060(Top 35%)1861(Top 15%)1861(Top 34%)
15K9.32 mi3.11 mi9896+1131795+181795+189745(Top 34%)1777(Top 15%)1777(Top 32%)
20K12.43 mi3.11 mi10467-5712084-2892084-28912222(Top 43%)3127(Top 26%)3127(Top 57%)
Half13.11 mi0.68 mi10701-2342197-1132197-11314891(Top 52%)4569(Top 37%)4569(Top 84%)
25K15.53 mi2.42 mi11901-12002872-6752872-67517267(Top 61%)6007(Top 49%)6007(Top 110%)
30K18.64 mi3.11 mi13082-11813602-7303602-73017487(Top 62%)6294(Top 51%)6294(Top 115%)
20M20.00 mi1.36 mi14036-9544159-5574159-55721654(Top 76%)8709(Top 71%)8709(Top 159%)
21M21.00 mi1.00 mi14302-2664327-1684327-16817489(Top 62%)6525(Top 53%)6525(Top 119%)
35K21.75 mi0.75 mi14405-1034397-704397-7016769(Top 59%)6193(Top 51%)6193(Top 113%)
23M23.00 mi1.25 mi15558-11535104-7075104-70724690(Top 87%)10441(Top 85%)10441(Top 191%)
24M24.00 mi1.00 mi15521+375098+65098+614964(Top 53%)5359(Top 44%)5359(Top 98%)
40K24.85 mi0.85 mi15879-3585331-2335331-23322396(Top 79%)9402(Top 77%)9402(Top 172%)
25.2M25.20 mi0.35 mi15830+495320+115320+1113684(Top 48%)4864(Top 40%)4864(Top 89%)
Finish26.22 mi1.02 mi16025-1955442-1225442-12219914(Top 70%)8095(Top 66%)8095(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9745

Females

1777

F18-39

1777

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

10060

Females

1861

F18-39

1861

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9745

Females

1777

F18-39

1777

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12222

Females

3127

F18-39

3127

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

14891

Females

4569

F18-39

4569

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17267

Females

6007

F18-39

6007

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17487

Females

6294

F18-39

6294

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21654

Females

8709

F18-39

8709

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17489

Females

6525

F18-39

6525

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16769

Females

6193

F18-39

6193

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

24690

Females

10441

F18-39

10441

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14964

Females

5359

F18-39

5359

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22396

Females

9402

F18-39

9402

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13684

Females

4864

F18-39

4864

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19914

Females

8095

F18-39

8095

Passing Analysis

Category:
Athletes Passed
921*
Passed By
6952
Net Change
-6035
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9990
5K → 10K228245-19#9990#10009
10K → 15K233*120+113#10009#9896
15K → 20K63632-571#9896#10467
20K → Half4238-234#10467#10701
Half → 25K261226-1200#10701#11901
25K → 30K531234-1181#11901#13082
30K → 20M22976-954#13082#14036
20M → 21M57323-266#14036#14302
21M → 35K40143-103#14302#14405
35K → 23M101163-1153#14405#15558
23M → 24M8548+37#15558#15521
24M → 40K21379-358#15521#15879
40K → 25.2M578+49#15879#15830
25.2M → Finish22217-195#15830#16025
TOTALS921*6952-6035

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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