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BOSTON MARATHON 2025

Barbara Ikari

Bib: 30283•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
9:47/mi
30:25
↑ 97↓ 3451.5%
10K· 6.21 mi
9:26/mi
59:45
↑ 79↓ 1380.4%
15K· 9.32 mi
9:18/mi
1:28:39
↑ 67↓ 78
20K· 12.43 mi
9:21/mi
1:57:43
↑ 106↓ 860.1%
Half· 13.11 mi
9:13/mi
2:04:00
↑ 19↓ 370.5%
25K· 15.53 mi
9:30/mi
2:27:02
↑ 66↓ 880.2%
30K· 18.64 mi
10:04/mi
2:58:19
↑ 181↓ 1480.2%
20M
10:09/mi
3:12:07
↑ 64↓ 500.2%
21M
10:29/mi
3:22:36
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
3:29:50
↑ 17↓ 861.7%
23M
10:13/mi
3:42:38
↑ 23↓ 630.6%
24M
10:35/mi
3:53:13
↓ 821.3%
40K· 24.85 mi
11:10/mi
4:02:46
↓ 200.3%
25.2M
12:51/mi
4:07:12
↑ 13↓ 160.2%
Finish· 26.22 mi
10:29/mi
4:17:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:00
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:13:53
Pace10:13 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4330:259:4730:25
9:47
-
10K
6.21 mi12:23:0359:459:3729:20
9:26
-0:21
15K
9.32 mi12:51:571:28:399:3128:54
9:18
-0:08
20K
12.43 mi13:21:011:57:439:2829:04
9:21
+0:03
Half
13.11 mi13:27:182:04:009:286:17
9:13
-0:08
25K
15.53 mi13:50:202:27:029:2823:02
9:30
+0:17
30K
18.64 mi14:21:372:58:199:3431:17
10:04
+0:34
20M
20.00 mi14:35:253:12:079:3613:48
10:09
+0:05
21M
21.00 mi14:45:543:22:369:3910:29
10:29
+0:20
35K
21.75 mi14:53:083:29:509:397:14
9:40
-0:49
23M
23.00 mi15:05:563:42:389:4112:48
10:13
+0:33
24M
24.00 mi15:16:313:53:139:4310:35
10:35
+0:22
40K
24.85 mi15:26:044:02:469:469:33
11:10
+0:35
25.2M
25.20 mi15:30:304:07:129:494:26
12:51
+1:41
Finish
26.22 mi15:41:114:17:539:5110:41
10:29
-2:22

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

9:13 /mi

Average Pace

9:51 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:37

45% of race

Time at Steady Pace

1:56:42

45% of race

Time at Slower Pace

24:34

10% of race

Average Pace: 9:50 /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 mi11:53:4330:259:4730:25
9:47
#25073
10K
6.21 mi12:23:0359:459:3729:20
9:26
#24498
15K
9.32 mi12:51:571:28:399:3128:54
9:18
#24071
20K
12.43 mi13:21:011:57:439:2829:04
9:21
#23665
Half
13.11 mi13:27:182:04:009:286:17
9:13
#23624
25K
15.53 mi13:50:202:27:029:2823:02
9:30
#23307
30K
18.64 mi14:21:372:58:199:3431:17
10:04
#22998
20M
20.00 mi14:35:253:12:079:3613:48
10:09
#22870
21M
21.00 mi14:45:543:22:369:3910:29
10:29
#22718
35K
21.75 mi14:53:083:29:509:397:14
9:40
#22624
23M
23.00 mi15:05:563:42:389:4112:48
10:13
#22536
24M
24.00 mi15:16:313:53:139:4310:35
10:35
#22538
40K
24.85 mi15:26:044:02:469:469:33
11:10
#22590
25.2M
25.20 mi15:30:304:07:129:494:26
12:51
#22629
Finish
26.22 mi15:41:114:17:539:5110:41
10:29
#22698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25073102441024423225(Top 82%)9221(Top 75%)9221(Top 169%)
10K6.21 mi3.10 mi24498+5759947+2979947+29723957(Top 84%)9657(Top 79%)9657(Top 177%)
15K9.32 mi3.11 mi24071+4279715+2329715+23223225(Top 82%)9221(Top 75%)9221(Top 169%)
20K12.43 mi3.11 mi23665+4069496+2199496+21922435(Top 79%)8830(Top 72%)8830(Top 161%)
Half13.11 mi0.68 mi23624+419476+209476+2022670(Top 80%)8974(Top 73%)8974(Top 164%)
25K15.53 mi2.42 mi23307+3179301+1759301+17521878(Top 77%)8590(Top 70%)8590(Top 157%)
30K18.64 mi3.11 mi22998+3099185+1169185+11621798(Top 77%)8669(Top 71%)8669(Top 159%)
20M20.00 mi1.36 mi22870+1289143+429143+4221459(Top 76%)8609(Top 70%)8609(Top 157%)
21M21.00 mi1.00 mi22718+1529070+739070+7319990(Top 70%)7912(Top 65%)7912(Top 145%)
35K21.75 mi0.75 mi22624+949033+379033+3720933(Top 74%)8476(Top 69%)8476(Top 155%)
23M23.00 mi1.25 mi22536+889007+269007+2621213(Top 75%)8666(Top 71%)8666(Top 158%)
24M24.00 mi1.00 mi22538-29036-299036-2923041(Top 81%)9661(Top 79%)9661(Top 177%)
40K24.85 mi0.85 mi22590-529080-449080-4423506(Top 83%)9948(Top 81%)9948(Top 182%)
25.2M25.20 mi0.35 mi22629-399118-389118-3824849(Top 87%)10598(Top 87%)10598(Top 194%)
Finish26.22 mi1.02 mi22698-699164-469164-4624252(Top 85%)10288(Top 84%)10288(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23225

Females

9221

F18-39

9221

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23957

Females

9657

F18-39

9657

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23225

Females

9221

F18-39

9221

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22435

Females

8830

F18-39

8830

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22670

Females

8974

F18-39

8974

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

21878

Females

8590

F18-39

8590

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21798

Females

8669

F18-39

8669

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21459

Females

8609

F18-39

8609

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19990

Females

7912

F18-39

7912

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

20933

Females

8476

F18-39

8476

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21213

Females

8666

F18-39

8666

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

23041

Females

9661

F18-39

9661

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23506

Females

9948

F18-39

9948

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24849

Females

10598

F18-39

10598

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24252

Females

10288

F18-39

10288

Passing Analysis

Category:
Athletes Passed
2814
Passed By
439
Net Change
+2375
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25073
5K → 10K60833+575#25073#24498
10K → 15K44316+427#24498#24071
15K → 20K4159+406#24071#23665
20K → Half454+41#23665#23624
Half → 25K3269+317#23624#23307
25K → 30K34637+309#23307#22998
30K → 20M14719+128#22998#22870
20M → 21M1608+152#22870#22718
21M → 35K1028+94#22718#22624
35K → 23M11527+88#22624#22536
23M → 24M5052-2#22536#22538
24M → 40K2981-52#22538#22590
40K → 25.2M1049-39#22590#22629
25.2M → Finish1887-69#22629#22698
TOTALS2814439+2375
📊

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