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BOSTON MARATHON 2025

Olha Bereza

Bib: 13766•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
Division (F18-39)
#0 / 5469
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
7:40/mi
23:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
47:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:11:47
↑ 67↓ 78
20K· 12.43 mi
7:59/mi
1:36:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:41:59
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
2:01:25
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:27:43
↑ 181↓ 1480.2%
20M
8:38/mi
2:39:27
↑ 64↓ 500.2%
21M
9:14/mi
2:48:41
↑ 106↓ 241.6%
35K· 21.75 mi
8:17/mi
2:54:53
↑ 17↓ 861.7%
23M
8:09/mi
3:05:05
↑ 23↓ 630.6%
24M
8:10/mi
3:13:15
↓ 821.3%
40K· 24.85 mi
8:11/mi
3:20:15
↓ 200.3%
25.2M
8:56/mi
3:23:20
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:31:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:59
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:49:34
Pace8:21 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3723:497:4023:49
7:40
-
10K
6.21 mi11:17:2047:327:3923:43
7:38
-0:02
15K
9.32 mi11:41:351:11:477:4224:15
7:48
+0:10
20K
12.43 mi12:06:231:36:357:4624:48
7:59
+0:11
Half
13.11 mi12:11:471:41:597:475:24
7:55
-0:04
25K
15.53 mi12:31:132:01:257:4919:26
8:01
+0:06
30K
18.64 mi12:57:312:27:437:5526:18
8:28
+0:27
20M
20.00 mi13:09:152:39:277:5811:44
8:38
+0:10
21M
21.00 mi13:18:292:48:418:029:14
9:14
+0:36
35K
21.75 mi13:24:412:54:538:026:12
8:17
-0:57
23M
23.00 mi13:34:533:05:058:0310:12
8:09
-0:08
24M
24.00 mi13:43:033:13:158:038:10
8:10
+0:01
40K
24.85 mi13:50:033:20:158:037:00
8:11
+0:01
25.2M
25.20 mi13:53:083:23:208:043:05
8:56
+0:45
Finish
26.22 mi14:01:213:31:338:048:13
8:04
-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

7:38 /mi

Average Pace

8:04 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:11

36% of race

Time at Steady Pace

1:24:01

40% of race

Time at Slower Pace

50:21

24% of race

Average Pace: 8:04 /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 mi10:53:3723:497:4023:49
7:40
#13674
10K
6.21 mi11:17:2047:327:3923:43
7:38
#13507
15K
9.32 mi11:41:351:11:477:4224:15
7:48
#13758
20K
12.43 mi12:06:231:36:357:4624:48
7:59
#14016
Half
13.11 mi12:11:471:41:597:475:24
7:55
#14074
25K
15.53 mi12:31:132:01:257:4919:26
8:01
#14015
30K
18.64 mi12:57:312:27:437:5526:18
8:28
#14069
20M
20.00 mi13:09:152:39:277:5811:44
8:38
#14096
21M
21.00 mi13:18:292:48:418:029:14
9:14
#14113
35K
21.75 mi13:24:412:54:538:026:12
8:17
#14112
23M
23.00 mi13:34:533:05:058:0310:12
8:09
#13902
24M
24.00 mi13:43:033:13:158:038:10
8:10
#13821
40K
24.85 mi13:50:033:20:158:037:00
8:11
#13690
25.2M
25.20 mi13:53:083:23:208:043:05
8:56
#13650
Finish
26.22 mi14:01:213:31:338:048:13
8:04
#13628
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi136743694369414426(Top 51%)4270(Top 35%)4270(Top 78%)
10K6.21 mi3.10 mi13507+1673648+463648+4613325(Top 47%)3568(Top 29%)3568(Top 65%)
15K9.32 mi3.11 mi13758-2513830-1823830-18214426(Top 51%)4270(Top 35%)4270(Top 78%)
20K12.43 mi3.11 mi14016-2584011-1814011-18114797(Top 52%)4527(Top 37%)4527(Top 83%)
Half13.11 mi0.68 mi14074-584047-364047-3615240(Top 54%)4737(Top 39%)4737(Top 87%)
25K15.53 mi2.42 mi14015+594053-64053-614022(Top 49%)4216(Top 34%)4216(Top 77%)
30K18.64 mi3.11 mi14069-544146-934146-9314554(Top 51%)4654(Top 38%)4654(Top 85%)
20M20.00 mi1.36 mi14096-274194-484194-4814647(Top 52%)4846(Top 40%)4846(Top 89%)
21M21.00 mi1.00 mi14113-174231-374231-3714812(Top 52%)5052(Top 41%)5052(Top 92%)
35K21.75 mi0.75 mi14112+14249-184249-1814189(Top 50%)4777(Top 39%)4777(Top 87%)
23M23.00 mi1.25 mi13902+2104166+834166+8311066(Top 39%)3268(Top 27%)3268(Top 60%)
24M24.00 mi1.00 mi13821+814160+64160+612383(Top 44%)3989(Top 33%)3989(Top 73%)
40K24.85 mi0.85 mi13690+1314111+494111+4911514(Top 41%)3666(Top 30%)3666(Top 67%)
25.2M25.20 mi0.35 mi13650+404103+84103+811544(Top 41%)3781(Top 31%)3781(Top 69%)
Finish26.22 mi1.02 mi13628+224115-124115-1213338(Top 47%)4617(Top 38%)4617(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14426

Females

4270

F18-39

4270

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

13325

Females

3568

F18-39

3568

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14426

Females

4270

F18-39

4270

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

14797

Females

4527

F18-39

4527

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15240

Females

4737

F18-39

4737

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

14022

Females

4216

F18-39

4216

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14554

Females

4654

F18-39

4654

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14647

Females

4846

F18-39

4846

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14812

Females

5052

F18-39

5052

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14189

Females

4777

F18-39

4777

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11066

Females

3268

F18-39

3268

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

12383

Females

3989

F18-39

3989

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11514

Females

3666

F18-39

3666

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11544

Females

3781

F18-39

3781

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13338

Females

4617

F18-39

4617

Passing Analysis

Category:
Athletes Passed
2037
Passed By
1991
Net Change
+46
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13674
5K → 10K369202+167#13674#13507
10K → 15K131382-251#13507#13758
15K → 20K146404-258#13758#14016
20K → Half1674-58#14016#14074
Half → 25K192133+59#14074#14015
25K → 30K245299-54#14015#14069
30K → 20M108135-27#14069#14096
20M → 21M111128-17#14096#14113
21M → 35K6766+1#14113#14112
35K → 23M23828+210#14112#13902
23M → 24M13049+81#13902#13821
24M → 40K14817+131#13821#13690
40K → 25.2M5717+40#13690#13650
25.2M → Finish7957+22#13650#13628
TOTALS20371991+46
📊

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