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BOSTON MARATHON 2025

Stephanie Oshva

Bib: 20554•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 43%
Masters (Masters Women)
#0 / 6759
Top 29%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:00
Rank: #16976
Start → 5K
25:00 | 8:03/mi
10K· 6.21 mi
50:05
Rank: #16979 (-3)
5K → 10K
25:05 | 8:04/mi
15K· 9.32 mi
1:14:53
Rank: #16593 (+386)
10K → 15K
24:48 | 7:59/mi
20K· 12.43 mi
1:39:45
Rank: #16145 (+448)
15K → 20K
24:52 | 8:00/mi
Half· 13.11 mi
1:45:08
Rank: #16093 (+52)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:04:55
Rank: #15897 (+196)
Half → 25K
19:47 | 8:10/mi
30K· 18.64 mi
2:31:44
Rank: #15813 (+84)
25K → 30K
26:49 | 8:38/mi
20M
2:43:32
Rank: #15678 (+135)
30K → 20M
11:48 | 8:41/mi
21M
2:53:13
Rank: #15743 (-65)
20M → 21M
9:41 | 9:41/mi
35K· 21.75 mi
3:00:08
Rank: #15850 (-107)
21M → 35K
6:55 | 9:15/mi
23M
3:11:24
Rank: #15823 (+27)
35K → 23M
11:16 | 9:00/mi
24M
3:19:48
Rank: #15720 (+103)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:27:17
Rank: #15677 (+43)
24M → 40K
7:29 | 8:45/mi
25.2M
3:30:26
Rank: #15619 (+58)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:38:51
Rank: #15577 (+42)
25.2M → Finish
8:25 | 8:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:08
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:53:43
Pace8:40 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4525:008:0325:00
8:03
-
10K
6.21 mi11:44:5050:058:0425:05
8:04
+0:01
15K
9.32 mi12:09:381:14:538:0224:48
7:59
-0:05
20K
12.43 mi12:34:301:39:458:0224:52
8:00
+0:01
Half
13.11 mi12:39:531:45:088:015:23
7:53
-0:07
25K
15.53 mi12:59:402:04:558:0219:47
8:10
+0:17
30K
18.64 mi13:26:292:31:448:0826:49
8:38
+0:28
20M
20.00 mi13:38:172:43:328:1111:48
8:41
+0:03
21M
21.00 mi13:47:582:53:138:159:41
9:41
+1:00
35K
21.75 mi13:54:533:00:088:176:55
9:15
-0:26
23M
23.00 mi14:06:093:11:248:1911:16
9:00
-0:15
24M
24.00 mi14:14:333:19:488:208:24
8:24
-0:36
40K
24.85 mi14:22:023:27:178:207:29
8:45
+0:21
25.2M
25.20 mi14:25:113:30:268:213:09
9:08
+0:23
Finish
26.22 mi14:33:363:38:518:218:25
8:16
-0:52

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

7:53 /mi

Average Pace

8:21 /mi

Slowest Pace

9:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:08

48% of race

Time at Steady Pace

1:03:25

29% of race

Time at Slower Pace

50:18

23% of race

Average Pace: 8:21 /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 mi11:19:4525:008:0325:00
8:03
#16976
10K
6.21 mi11:44:5050:058:0425:05
8:04
#16979
15K
9.32 mi12:09:381:14:538:0224:48
7:59
#16593
20K
12.43 mi12:34:301:39:458:0224:52
8:00
#16145
Half
13.11 mi12:39:531:45:088:015:23
7:53
#16093
25K
15.53 mi12:59:402:04:558:0219:47
8:10
#15897
30K
18.64 mi13:26:292:31:448:0826:49
8:38
#15813
20M
20.00 mi13:38:172:43:328:1111:48
8:41
#15678
21M
21.00 mi13:47:582:53:138:159:41
9:41
#15743
35K
21.75 mi13:54:533:00:088:176:55
9:15
#15850
23M
23.00 mi14:06:093:11:248:1911:16
9:00
#15823
24M
24.00 mi14:14:333:19:488:208:24
8:24
#15720
40K
24.85 mi14:22:023:27:178:207:29
8:45
#15677
25.2M
25.20 mi14:25:113:30:268:213:09
9:08
#15619
Finish
26.22 mi14:33:363:38:518:218:25
8:16
#15577
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi169765725572515918(Top 56%)5100(Top 42%)5100(Top 297%)
10K6.21 mi3.10 mi16979-35714+115714+1117026(Top 60%)5718(Top 47%)5718(Top 333%)
15K9.32 mi3.11 mi16593+3865485+2295485+22915918(Top 56%)5100(Top 42%)5100(Top 297%)
20K12.43 mi3.11 mi16145+4485236+2495236+24914979(Top 53%)4639(Top 38%)4639(Top 270%)
Half13.11 mi0.68 mi16093+525209+275209+2715102(Top 53%)4685(Top 38%)4685(Top 273%)
25K15.53 mi2.42 mi15897+1965106+1035106+10315062(Top 53%)4769(Top 39%)4769(Top 278%)
30K18.64 mi3.11 mi15813+845115-95115-915582(Top 55%)5221(Top 43%)5221(Top 304%)
20M20.00 mi1.36 mi15678+1355086+295086+2914968(Top 53%)5027(Top 41%)5027(Top 293%)
21M21.00 mi1.00 mi15743-655163-775163-7716963(Top 60%)6234(Top 51%)6234(Top 363%)
35K21.75 mi0.75 mi15850-1075236-735236-7319355(Top 68%)7630(Top 62%)7630(Top 444%)
23M23.00 mi1.25 mi15823+275263-275263-2716248(Top 57%)6022(Top 49%)6022(Top 351%)
24M24.00 mi1.00 mi15720+1035222+415222+4113918(Top 49%)4785(Top 39%)4785(Top 279%)
40K24.85 mi0.85 mi15677+435216+65216+614948(Top 53%)5493(Top 45%)5493(Top 320%)
25.2M25.20 mi0.35 mi15619+585199+175199+1712654(Top 45%)4333(Top 35%)4333(Top 252%)
Finish26.22 mi1.02 mi15577+425198+15198+114690(Top 52%)5311(Top 43%)5311(Top 309%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15918

Females

5100

F40-44

5100

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17026

Females

5718

F40-44

5718

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15918

Females

5100

F40-44

5100

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14979

Females

4639

F40-44

4639

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

15102

Females

4685

F40-44

4685

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

15062

Females

4769

F40-44

4769

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

15582

Females

5221

F40-44

5221

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14968

Females

5027

F40-44

5027

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

16963

Females

6234

F40-44

6234

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

19355

Females

7630

F40-44

7630

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16248

Females

6022

F40-44

6022

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13918

Females

4785

F40-44

4785

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14948

Females

5493

F40-44

5493

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12654

Females

4333

F40-44

4333

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

14690

Females

5311

F40-44

5311

Passing Analysis

Category:
Athletes Passed
2609
Passed By
1210
Net Change
+1399
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16976
5K → 10K298301-3#16976#16979
10K → 15K43246+386#16979#16593
15K → 20K48537+448#16593#16145
20K → Half6210+52#16145#16093
Half → 25K26771+196#16093#15897
25K → 30K261177+84#15897#15813
30K → 20M18853+135#15813#15678
20M → 21M90155-65#15678#15743
21M → 35K37144-107#15743#15850
35K → 23M12598+27#15850#15823
23M → 24M12421+103#15823#15720
24M → 40K9047+43#15720#15677
40K → 25.2M613+58#15677#15619
25.2M → Finish8947+42#15619#15577
TOTALS26091210+1399
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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