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BOSTON MARATHON 2025

Sandra Ivany

Bib: 20795•F

NS

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 34%
Masters (Masters Women)
#0 / 6759
Top 20%
Division (F45-49)
#0 / 1813
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:21
Rank: #15161
Start → 5K
24:21 | 7:50/mi
10K· 6.21 mi
48:39
Rank: #15051 (+110)
5K → 10K
24:18 | 7:49/mi
15K· 9.32 mi
1:13:09
Rank: #15062 (-11)
10K → 15K
24:30 | 7:53/mi
20K· 12.43 mi
1:37:32
Rank: #14657 (+405)
15K → 20K
24:23 | 7:51/mi
Half· 13.11 mi
1:42:56
Rank: #14685 (-28)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:02:18
Rank: #14500 (+185)
Half → 25K
19:22 | 7:59/mi
30K· 18.64 mi
2:27:39
Rank: #14050 (+450)
25K → 30K
25:21 | 8:10/mi
20M
2:39:00
Rank: #13915 (+135)
30K → 20M
11:21 | 8:21/mi
21M
2:48:12
Rank: #13929 (-14)
20M → 21M
9:12 | 9:12/mi
35K· 21.75 mi
2:54:14
Rank: #13855 (+74)
21M → 35K
6:02 | 8:04/mi
23M
3:05:00
Rank: #13868 (-13)
35K → 23M
10:46 | 8:36/mi
24M
3:13:17
Rank: #13831 (+37)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
3:20:26
Rank: #13751 (+80)
24M → 40K
7:09 | 8:22/mi
25.2M
3:23:37
Rank: #13738 (+13)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:32:06
Rank: #13781 (-43)
25.2M → Finish
8:29 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:56
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:49:10
Pace8:20 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5924:217:5024:21
7:50
-
10K
6.21 mi11:41:1748:397:5024:18
7:49
-0:01
15K
9.32 mi12:05:471:13:097:5124:30
7:53
+0:04
20K
12.43 mi12:30:101:37:327:5124:23
7:51
-0:02
Half
13.11 mi12:35:341:42:567:515:24
7:55
+0:04
25K
15.53 mi12:54:562:02:187:5219:22
7:59
+0:04
30K
18.64 mi13:20:172:27:397:5525:21
8:10
+0:11
20M
20.00 mi13:31:382:39:007:5711:21
8:21
+0:11
21M
21.00 mi13:40:502:48:128:019:12
9:12
+0:51
35K
21.75 mi13:46:522:54:148:016:02
8:04
-1:08
23M
23.00 mi13:57:383:05:008:0310:46
8:36
+0:32
24M
24.00 mi14:05:553:13:178:038:17
8:17
-0:19
40K
24.85 mi14:13:043:20:268:047:09
8:22
+0:05
25.2M
25.20 mi14:16:153:23:378:053:11
9:14
+0:52
Finish
26.22 mi14:24:443:32:068:068:29
8:19
-0:55

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

7:49 /mi

Average Pace

8:06 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:57

89% of race

Time at Steady Pace

19:58

9% of race

Time at Slower Pace

3:11

2% of race

Average Pace: 8:05 /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 mi11:16:5924:217:5024:21
7:50
#15161
10K
6.21 mi11:41:1748:397:5024:18
7:49
#15051
15K
9.32 mi12:05:471:13:097:5124:30
7:53
#15062
20K
12.43 mi12:30:101:37:327:5124:23
7:51
#14657
Half
13.11 mi12:35:341:42:567:515:24
7:55
#14685
25K
15.53 mi12:54:562:02:187:5219:22
7:59
#14500
30K
18.64 mi13:20:172:27:397:5525:21
8:10
#14050
20M
20.00 mi13:31:382:39:007:5711:21
8:21
#13915
21M
21.00 mi13:40:502:48:128:019:12
9:12
#13929
35K
21.75 mi13:46:522:54:148:016:02
8:04
#13855
23M
23.00 mi13:57:383:05:008:0310:46
8:36
#13868
24M
24.00 mi14:05:553:13:178:038:17
8:17
#13831
40K
24.85 mi14:13:043:20:268:047:09
8:22
#13751
25.2M
25.20 mi14:16:153:23:378:053:11
9:14
#13738
Finish
26.22 mi14:24:443:32:068:068:29
8:19
#13781
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi151614631463115135(Top 53%)4659(Top 38%)4659(Top 257%)
10K6.21 mi3.10 mi15051+1104577+544577+5415021(Top 53%)4550(Top 37%)4550(Top 251%)
15K9.32 mi3.11 mi15062-114591-144591-1415135(Top 53%)4659(Top 38%)4659(Top 257%)
20K12.43 mi3.11 mi14657+4054378+2134378+21313684(Top 48%)3923(Top 32%)3923(Top 216%)
Half13.11 mi0.68 mi14685-284399-214399-2115244(Top 54%)4741(Top 39%)4741(Top 262%)
25K15.53 mi2.42 mi14500+1854337+624337+6213813(Top 49%)4113(Top 34%)4113(Top 227%)
30K18.64 mi3.11 mi14050+4504134+2034134+20312533(Top 44%)3585(Top 29%)3585(Top 198%)
20M20.00 mi1.36 mi13915+1354095+394095+3912877(Top 45%)3906(Top 32%)3906(Top 215%)
21M21.00 mi1.00 mi13929-144129-344129-3414641(Top 52%)4959(Top 41%)4959(Top 274%)
35K21.75 mi0.75 mi13855+744108+214108+2112734(Top 45%)4017(Top 33%)4017(Top 222%)
23M23.00 mi1.25 mi13868-134152-444152-4413933(Top 49%)4763(Top 39%)4763(Top 263%)
24M24.00 mi1.00 mi13831+374168-164168-1613162(Top 46%)4401(Top 36%)4401(Top 243%)
40K24.85 mi0.85 mi13751+804153+154153+1512575(Top 44%)4228(Top 35%)4228(Top 233%)
25.2M25.20 mi0.35 mi13738+134160-74160-713146(Top 46%)4565(Top 37%)4565(Top 252%)
Finish26.22 mi1.02 mi13781-434204-444204-4415083(Top 53%)5520(Top 45%)5520(Top 304%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15135

Females

4659

F45-49

4659

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

15021

Females

4550

F45-49

4550

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15135

Females

4659

F45-49

4659

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

13684

Females

3923

F45-49

3923

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15244

Females

4741

F45-49

4741

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

13813

Females

4113

F45-49

4113

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12533

Females

3585

F45-49

3585

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12877

Females

3906

F45-49

3906

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14641

Females

4959

F45-49

4959

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12734

Females

4017

F45-49

4017

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13933

Females

4763

F45-49

4763

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

13162

Females

4401

F45-49

4401

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12575

Females

4228

F45-49

4228

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13146

Females

4565

F45-49

4565

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

15083

Females

5520

F45-49

5520

Passing Analysis

Category:
Athletes Passed
2578
Passed By
1198
Net Change
+1380
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15161
5K → 10K340230+110#15161#15051
10K → 15K212223-11#15051#15062
15K → 20K43934+405#15062#14657
20K → Half2149-28#14657#14685
Half → 25K26378+185#14685#14500
25K → 30K50050+450#14500#14050
30K → 20M18045+135#14050#13915
20M → 21M103117-14#13915#13929
21M → 35K9521+74#13929#13855
35K → 23M110123-13#13855#13868
23M → 24M10164+37#13868#13831
24M → 40K12141+80#13831#13751
40K → 25.2M4229+13#13751#13738
25.2M → Finish5194-43#13738#13781
TOTALS25781198+1380
📊

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