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BOSTON MARATHON 2025

Stephanie Rizzo

Bib: 26979•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

Start
0:00:00
Race begins
5K· 3.11 mi
29:04
Rank: #23765
Start → 5K
29:04 | 9:21/mi
10K· 6.21 mi
59:08
Rank: #24233 (-468)
5K → 10K
30:04 | 9:41/mi
15K· 9.32 mi
1:29:10
Rank: #24223 (+10)
10K → 15K
30:02 | 9:40/mi
20K· 12.43 mi
1:59:16
Rank: #24008 (+215)
15K → 20K
30:06 | 9:41/mi
Half· 13.11 mi
2:05:47
Rank: #23990 (+18)
20K → Half
6:31 | 9:33/mi
25K· 15.53 mi
2:30:13
Rank: #23910 (+80)
Half → 25K
24:26 | 10:05/mi
30K· 18.64 mi
3:02:24
Rank: #23626 (+284)
25K → 30K
32:11 | 10:22/mi
20M
3:16:14
Rank: #23470 (+156)
30K → 20M
13:50 | 10:11/mi
21M
3:27:04
Rank: #23308 (+162)
20M → 21M
10:50 | 10:50/mi
35K· 21.75 mi
3:34:43
Rank: #23285 (+23)
21M → 35K
7:39 | 10:14/mi
23M
3:47:37
Rank: #23190 (+95)
35K → 23M
12:54 | 10:18/mi
24M
3:57:09
Rank: #23048 (+142)
23M → 24M
9:32 | 9:32/mi
40K· 24.85 mi
4:05:35
Rank: #22928 (+120)
24M → 40K
8:26 | 9:52/mi
25.2M
4:09:12
Rank: #22878 (+50)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
4:18:42
Rank: #22791 (+87)
25.2M → Finish
9:30 | 9:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:47
Pace9:36 /mi
2nd Half
Distance13.11 mi
Time2:12:55
Pace10:08 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3429:049:2129:04
9:21
-
10K
6.21 mi12:15:3859:089:3130:04
9:41
+0:20
15K
9.32 mi12:45:401:29:109:3430:02
9:40
-0:01
20K
12.43 mi13:15:461:59:169:3630:06
9:41
+0:01
Half
13.11 mi13:22:172:05:479:366:31
9:33
-0:08
25K
15.53 mi13:46:432:30:139:4024:26
10:05
+0:32
30K
18.64 mi14:18:543:02:249:4732:11
10:22
+0:17
20M
20.00 mi14:32:443:16:149:4913:50
10:11
-0:11
21M
21.00 mi14:43:343:27:049:5210:50
10:50
+0:39
35K
21.75 mi14:51:133:34:439:527:39
10:14
-0:36
23M
23.00 mi15:04:073:47:379:5412:54
10:18
+0:04
24M
24.00 mi15:13:393:57:099:539:32
9:32
-0:46
40K
24.85 mi15:22:054:05:359:538:26
9:52
+0:20
25.2M
25.20 mi15:25:424:09:129:533:37
10:29
+0:37
Finish
26.22 mi15:35:124:18:429:529:30
9:19
-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

9:19 /mi

Average Pace

9:52 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:10

77% of race

Time at Steady Pace

59:32

23% of race

Time at Slower Pace

0:00

0% 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 mi11:45:3429:049:2129:04
9:21
#23765
10K
6.21 mi12:15:3859:089:3130:04
9:41
#24233
15K
9.32 mi12:45:401:29:109:3430:02
9:40
#24223
20K
12.43 mi13:15:461:59:169:3630:06
9:41
#24008
Half
13.11 mi13:22:172:05:479:366:31
9:33
#23990
25K
15.53 mi13:46:432:30:139:4024:26
10:05
#23910
30K
18.64 mi14:18:543:02:249:4732:11
10:22
#23626
20M
20.00 mi14:32:443:16:149:4913:50
10:11
#23470
21M
21.00 mi14:43:343:27:049:5210:50
10:50
#23308
35K
21.75 mi14:51:133:34:439:527:39
10:14
#23285
23M
23.00 mi15:04:073:47:379:5412:54
10:18
#23190
24M
24.00 mi15:13:393:57:099:539:32
9:32
#23048
40K
24.85 mi15:22:054:05:359:538:26
9:52
#22928
25.2M
25.20 mi15:25:424:09:129:533:37
10:29
#22878
Finish
26.22 mi15:35:124:18:429:529:30
9:19
#22791
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi237659565956524187(Top 85%)9776(Top 80%)9776(Top 179%)
10K6.21 mi3.10 mi24233-4689811-2469811-24624558(Top 86%)9990(Top 82%)9990(Top 183%)
15K9.32 mi3.11 mi24223+109802+99802+924187(Top 85%)9776(Top 80%)9776(Top 179%)
20K12.43 mi3.11 mi24008+2159698+1049698+10423454(Top 83%)9396(Top 77%)9396(Top 172%)
Half13.11 mi0.68 mi23990+189690+89690+823726(Top 84%)9549(Top 78%)9549(Top 175%)
25K15.53 mi2.42 mi23910+809647+439647+4323449(Top 83%)9452(Top 77%)9452(Top 173%)
30K18.64 mi3.11 mi23626+2849526+1219526+12122619(Top 80%)9117(Top 75%)9117(Top 167%)
20M20.00 mi1.36 mi23470+1569456+709456+7021528(Top 76%)8646(Top 71%)8646(Top 158%)
21M21.00 mi1.00 mi23308+1629394+629394+6220945(Top 74%)8427(Top 69%)8427(Top 154%)
35K21.75 mi0.75 mi23285+239397-39397-322516(Top 79%)9295(Top 76%)9295(Top 170%)
23M23.00 mi1.25 mi23190+959371+269371+2621439(Top 75%)8784(Top 72%)8784(Top 161%)
24M24.00 mi1.00 mi23048+1429316+559316+5519766(Top 70%)7973(Top 65%)7973(Top 146%)
40K24.85 mi0.85 mi22928+1209268+489268+4820031(Top 71%)8185(Top 67%)8185(Top 150%)
25.2M25.20 mi0.35 mi22878+509249+199249+1919040(Top 67%)7679(Top 63%)7679(Top 140%)
Finish26.22 mi1.02 mi22791+879217+329217+3220497(Top 72%)8395(Top 69%)8395(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24187

Females

9776

F18-39

9776

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24558

Females

9990

F18-39

9990

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24187

Females

9776

F18-39

9776

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

23454

Females

9396

F18-39

9396

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

23726

Females

9549

F18-39

9549

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

23449

Females

9452

F18-39

9452

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22619

Females

9117

F18-39

9117

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21528

Females

8646

F18-39

8646

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

20945

Females

8427

F18-39

8427

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22516

Females

9295

F18-39

9295

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21439

Females

8784

F18-39

8784

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19766

Females

7973

F18-39

7973

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20031

Females

8185

F18-39

8185

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19040

Females

7679

F18-39

7679

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20497

Females

8395

F18-39

8395

Passing Analysis

Category:
Athletes Passed
1937
Passed By
963
Net Change
+974
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23765
5K → 10K87555-468#23765#24233
10K → 15K152142+10#24233#24223
15K → 20K25439+215#24223#24008
20K → Half3921+18#24008#23990
Half → 25K15878+80#23990#23910
25K → 30K31228+284#23910#23626
30K → 20M17418+156#23626#23470
20M → 21M1719+162#23470#23308
21M → 35K5128+23#23308#23285
35K → 23M12126+95#23285#23190
23M → 24M1475+142#23190#23048
24M → 40K1233+120#23048#22928
40K → 25.2M533+50#22928#22878
25.2M → Finish958+87#22878#22791
TOTALS1937963+974
📊

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