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BOSTON MARATHON 2025

Iuliia Bernikova

Bib: 11187•F

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Female)
#0 / 12228
Top 10%
Division (F18-39)
#0 / 5469
Top 19%
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
6:50/mi
21:15
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:00/mi
1:04:05
↑ 67↓ 78
20K· 12.43 mi
7:15/mi
1:26:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:31:34
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:49:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:48/mi
2:13:36
↑ 181↓ 1480.2%
20M
7:58/mi
2:24:25
↑ 64↓ 500.2%
21M
8:23/mi
2:32:48
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:38:30
↑ 17↓ 861.7%
23M
7:38/mi
2:48:04
↑ 23↓ 630.6%
24M
7:22/mi
2:55:26
↓ 821.3%
40K· 24.85 mi
7:27/mi
3:01:48
↓ 200.3%
25.2M
8:04/mi
3:04:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:18/mi
3:12:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:34
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:40:27
Pace7:40 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3321:156:5021:15
6:50
-
10K
6.21 mi11:08:3942:216:4921:06
6:47
-0:03
15K
9.32 mi11:30:231:04:056:5321:44
7:00
+0:13
20K
12.43 mi11:52:551:26:376:5822:32
7:15
+0:15
Half
13.11 mi11:57:521:31:346:594:57
7:15
0:00
25K
15.53 mi12:15:401:49:227:0217:48
7:20
+0:05
30K
18.64 mi12:39:542:13:367:1024:14
7:48
+0:28
20M
20.00 mi12:50:432:24:257:1310:49
7:58
+0:10
21M
21.00 mi12:59:062:32:487:178:23
8:23
+0:25
35K
21.75 mi13:04:482:38:307:175:42
7:37
-0:46
23M
23.00 mi13:14:222:48:047:189:34
7:38
+0:01
24M
24.00 mi13:21:442:55:267:197:22
7:22
-0:16
40K
24.85 mi13:28:063:01:487:196:22
7:27
+0:05
25.2M
25.20 mi13:30:533:04:357:192:47
8:04
+0:37
Finish
26.22 mi13:38:193:12:017:207:26
7:18
-0:46

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

6:47 /mi

Average Pace

7:20 /mi

Slowest Pace

8:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:05

33% of race

Time at Steady Pace

1:06:27

35% of race

Time at Slower Pace

1:01:29

32% of race

Average Pace: 7:19 /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 mi10:47:3321:156:5021:15
6:50
#6648
10K
6.21 mi11:08:3942:216:4921:06
6:47
#6467
15K
9.32 mi11:30:231:04:056:5321:44
7:00
#6877
20K
12.43 mi11:52:551:26:376:5822:32
7:15
#7295
Half
13.11 mi11:57:521:31:346:594:57
7:15
#7387
25K
15.53 mi12:15:401:49:227:0217:48
7:20
#7525
30K
18.64 mi12:39:542:13:367:1024:14
7:48
#7802
20M
20.00 mi12:50:432:24:257:1310:49
7:58
#7912
21M
21.00 mi12:59:062:32:487:178:23
8:23
#7938
35K
21.75 mi13:04:482:38:307:175:42
7:37
#7962
23M
23.00 mi13:14:222:48:047:189:34
7:38
#7859
24M
24.00 mi13:21:442:55:267:197:22
7:22
#7793
40K
24.85 mi13:28:063:01:487:196:22
7:27
#7701
25.2M
25.20 mi13:30:533:04:357:192:47
8:04
#7649
Finish
26.22 mi13:38:193:12:017:207:26
7:18
#7616
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi66486036037617(Top 27%)904(Top 7%)904(Top 17%)
10K6.21 mi3.10 mi6467+181566+37566+376333(Top 22%)575(Top 5%)575(Top 11%)
15K9.32 mi3.11 mi6877-410678-112678-1127617(Top 27%)904(Top 7%)904(Top 17%)
20K12.43 mi3.11 mi7295-418793-115793-1158658(Top 30%)1376(Top 11%)1376(Top 25%)
Half13.11 mi0.68 mi7387-92819-26819-269623(Top 34%)1751(Top 14%)1751(Top 32%)
25K15.53 mi2.42 mi7525-138883-64883-648684(Top 31%)1490(Top 12%)1490(Top 27%)
30K18.64 mi3.11 mi7802-2771028-1451028-1459940(Top 35%)2253(Top 18%)2253(Top 41%)
20M20.00 mi1.36 mi7912-1101114-861114-8610170(Top 36%)2507(Top 21%)2507(Top 46%)
21M21.00 mi1.00 mi7938-261155-411155-419757(Top 34%)2486(Top 20%)2486(Top 45%)
35K21.75 mi0.75 mi7962-241184-291184-299482(Top 33%)2337(Top 19%)2337(Top 43%)
23M23.00 mi1.25 mi7859+1031190-61190-67525(Top 26%)1616(Top 13%)1616(Top 30%)
24M24.00 mi1.00 mi7793+661198-81198-86851(Top 24%)1395(Top 11%)1395(Top 26%)
40K24.85 mi0.85 mi7701+921203-51203-56507(Top 23%)1335(Top 11%)1335(Top 24%)
25.2M25.20 mi0.35 mi7649+521198+51198+56381(Top 22%)1384(Top 11%)1384(Top 25%)
Finish26.22 mi1.02 mi7616+331215-171215-177762(Top 27%)1960(Top 16%)1960(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7617

Females

904

F18-39

904

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

6333

Females

575

F18-39

575

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7617

Females

904

F18-39

904

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8658

Females

1376

F18-39

1376

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9623

Females

1751

F18-39

1751

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8684

Females

1490

F18-39

1490

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9940

Females

2253

F18-39

2253

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10170

Females

2507

F18-39

2507

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9757

Females

2486

F18-39

2486

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9482

Females

2337

F18-39

2337

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7525

Females

1616

F18-39

1616

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6851

Females

1395

F18-39

1395

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6507

Females

1335

F18-39

1335

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6381

Females

1384

F18-39

1384

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7762

Females

1960

F18-39

1960

Passing Analysis

Category:
Athletes Passed
1282
Passed By
2250
Net Change
-968
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6648
5K → 10K290109+181#6648#6467
10K → 15K54464-410#6467#6877
15K → 20K42460-418#6877#7295
20K → Half496-92#7295#7387
Half → 25K69207-138#7387#7525
25K → 30K113390-277#7525#7802
30K → 20M58168-110#7802#7912
20M → 21M98124-26#7912#7938
21M → 35K5074-24#7938#7962
35K → 23M14542+103#7962#7859
23M → 24M10034+66#7859#7793
24M → 40K12028+92#7793#7701
40K → 25.2M608+52#7701#7649
25.2M → Finish7946+33#7649#7616
TOTALS12822250-968
📊

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