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BOSTON MARATHON 2025

Elena Petrova

Bib: 19732•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
Masters (Masters Women)
#0 / 6759
Top 23%
Division (F40-44)
#0 / 1718
Top 46%
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
7:43/mi
24:00
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:06
↑ 79↓ 1380.4%
15K· 9.32 mi
7:47/mi
1:12:17
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:37:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:42:24
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:02:30
↑ 66↓ 880.2%
30K· 18.64 mi
9:11/mi
2:31:01
↑ 181↓ 1480.2%
20M
9:08/mi
2:43:26
↑ 64↓ 500.2%
21M
10:13/mi
2:53:39
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:59:26
↑ 17↓ 861.7%
23M
7:58/mi
3:09:24
↑ 23↓ 630.6%
24M
8:15/mi
3:17:39
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:24:21
↓ 200.3%
25.2M
8:30/mi
3:27:17
↑ 13↓ 160.2%
Finish· 26.22 mi
7:27/mi
3:34:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:24
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:52:29
Pace8:35 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2924:007:4324:00
7:43
-
10K
6.21 mi11:39:3548:067:4424:06
7:45
+0:02
15K
9.32 mi12:03:461:12:177:4524:11
7:47
+0:02
20K
12.43 mi12:28:311:37:027:4824:45
7:58
+0:11
Half
13.11 mi12:33:531:42:247:495:22
7:52
-0:06
25K
15.53 mi12:53:592:02:307:5320:06
8:17
+0:25
30K
18.64 mi13:22:302:31:018:0628:31
9:11
+0:54
20M
20.00 mi13:34:552:43:268:1012:25
9:08
-0:03
21M
21.00 mi13:45:082:53:398:1610:13
10:13
+1:05
35K
21.75 mi13:50:552:59:268:155:47
7:44
-2:29
23M
23.00 mi14:00:533:09:248:149:58
7:58
+0:14
24M
24.00 mi14:09:083:17:398:148:15
8:15
+0:17
40K
24.85 mi14:15:503:24:218:136:42
7:50
-0:25
25.2M
25.20 mi14:18:463:27:178:142:56
8:30
+0:40
Finish
26.22 mi14:26:223:34:538:127:36
7:27
-1:03

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

7:27 /mi

Average Pace

8:12 /mi

Slowest Pace

10:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:36

4% of race

Time at Steady Pace

2:33:12

71% of race

Time at Slower Pace

54:05

25% of race

Average Pace: 8:12 /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 mi11:15:2924:007:4324:00
7:43
#14190
10K
6.21 mi11:39:3548:067:4424:06
7:45
#14262
15K
9.32 mi12:03:461:12:177:4524:11
7:47
#14254
20K
12.43 mi12:28:311:37:027:4824:45
7:58
#14322
Half
13.11 mi12:33:531:42:247:495:22
7:52
#14338
25K
15.53 mi12:53:592:02:307:5320:06
8:17
#14601
30K
18.64 mi13:22:302:31:018:0628:31
9:11
#15519
20M
20.00 mi13:34:552:43:268:1012:25
9:08
#15640
21M
21.00 mi13:45:082:53:398:1610:13
10:13
#15872
35K
21.75 mi13:50:552:59:268:155:47
7:44
#15655
23M
23.00 mi14:00:533:09:248:149:58
7:58
#15283
24M
24.00 mi14:09:083:17:398:148:15
8:15
#15148
40K
24.85 mi14:15:503:24:218:136:42
7:50
#14894
25.2M
25.20 mi14:18:463:27:178:142:56
8:30
#14786
Finish
26.22 mi14:26:223:34:538:127:36
7:27
#14541
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi141904026402614250(Top 50%)4173(Top 34%)4173(Top 243%)
10K6.21 mi3.10 mi14262-724095-694095-6914429(Top 51%)4211(Top 34%)4211(Top 245%)
15K9.32 mi3.11 mi14254+84116-214116-2114250(Top 50%)4173(Top 34%)4173(Top 243%)
20K12.43 mi3.11 mi14322-684186-704186-7014678(Top 52%)4471(Top 37%)4471(Top 260%)
Half13.11 mi0.68 mi14338-164204-184204-1814865(Top 52%)4543(Top 37%)4543(Top 264%)
25K15.53 mi2.42 mi14601-2634392-1884392-18815859(Top 56%)5230(Top 43%)5230(Top 304%)
30K18.64 mi3.11 mi15519-9184958-5664958-56618543(Top 65%)6850(Top 56%)6850(Top 399%)
20M20.00 mi1.36 mi15640-1215060-1025060-10217484(Top 62%)6406(Top 52%)6406(Top 373%)
21M21.00 mi1.00 mi15872-2325234-1745234-17419082(Top 67%)7366(Top 60%)7366(Top 429%)
35K21.75 mi0.75 mi15655+2175125+1095125+10910386(Top 37%)2811(Top 23%)2811(Top 164%)
23M23.00 mi1.25 mi15283+3724946+1794946+1799796(Top 34%)2652(Top 22%)2652(Top 154%)
24M24.00 mi1.00 mi15148+1354888+584888+5812940(Top 46%)4290(Top 35%)4290(Top 250%)
40K24.85 mi0.85 mi14894+2544768+1204768+1209100(Top 32%)2521(Top 21%)2521(Top 147%)
25.2M25.20 mi0.35 mi14786+1084711+574711+578953(Top 32%)2537(Top 21%)2537(Top 148%)
Finish26.22 mi1.02 mi14541+2454619+924619+928947(Top 31%)2521(Top 21%)2521(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14250

Females

4173

F40-44

4173

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14429

Females

4211

F40-44

4211

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14250

Females

4173

F40-44

4173

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

14678

Females

4471

F40-44

4471

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14865

Females

4543

F40-44

4543

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

15859

Females

5230

F40-44

5230

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18543

Females

6850

F40-44

6850

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17484

Females

6406

F40-44

6406

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

19082

Females

7366

F40-44

7366

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10386

Females

2811

F40-44

2811

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9796

Females

2652

F40-44

2652

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12940

Females

4290

F40-44

4290

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9100

Females

2521

F40-44

2521

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8953

Females

2537

F40-44

2537

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8947

Females

2521

F40-44

2521

Passing Analysis

Category:
Athletes Passed
2348
Passed By
2699
Net Change
-351
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14190
5K → 10K247319-72#14190#14262
10K → 15K212204+8#14262#14254
15K → 20K186254-68#14254#14322
20K → Half2945-16#14322#14338
Half → 25K102365-263#14338#14601
25K → 30K72990-918#14601#15519
30K → 20M91212-121#15519#15640
20M → 21M55287-232#15640#15872
21M → 35K2203+217#15872#15655
35K → 23M3731+372#15655#15283
23M → 24M15116+135#15283#15148
24M → 40K2540+254#15148#14894
40K → 25.2M1091+108#14894#14786
25.2M → Finish2472+245#14786#14541
TOTALS23482699-351
📊

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