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BOSTON MARATHON 2025

Megumi Oshima-Breaux

Bib: 13103•F

HI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:44
Rank: #10539
Start → 5K
22:44 | 7:19/mi
10K· 6.21 mi
45:08
Rank: #10019 (+520)
5K → 10K
22:24 | 7:13/mi
15K· 9.32 mi
1:07:30
Rank: #9682 (+337)
10K → 15K
22:22 | 7:12/mi
20K· 12.43 mi
1:29:36
Rank: #9081 (+601)
15K → 20K
22:06 | 7:07/mi
Half· 13.11 mi
1:34:27
Rank: #9033 (+48)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:51:46
Rank: #8636 (+397)
Half → 25K
17:19 | 7:09/mi
30K· 18.64 mi
2:14:38
Rank: #8204 (+432)
25K → 30K
22:52 | 7:22/mi
20M
2:24:41
Rank: #8014 (+190)
30K → 20M
10:03 | 7:24/mi
21M
2:32:15
Rank: #7748 (+266)
20M → 21M
7:34 | 7:34/mi
35K· 21.75 mi
2:37:33
Rank: #7638 (+110)
21M → 35K
5:18 | 7:05/mi
23M
2:46:42
Rank: #7441 (+197)
35K → 23M
9:09 | 7:18/mi
24M
2:53:51
Rank: #7304 (+137)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
3:00:00
Rank: #7170 (+134)
24M → 40K
6:09 | 7:12/mi
25.2M
3:02:46
Rank: #7122 (+48)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:09:51
Rank: #7020 (+102)
25.2M → Finish
7:05 | 6:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:27
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:35:24
Pace7:17 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4822:447:1922:44
7:19
-
10K
6.21 mi11:14:1245:087:1622:24
7:13
-0:06
15K
9.32 mi11:36:341:07:307:1522:22
7:12
-0:01
20K
12.43 mi11:58:401:29:367:1322:06
7:07
-0:05
Half
13.11 mi12:03:311:34:277:124:51
7:07
0:00
25K
15.53 mi12:20:501:51:467:1217:19
7:09
+0:02
30K
18.64 mi12:43:422:14:387:1322:52
7:22
+0:13
20M
20.00 mi12:53:452:24:417:1410:03
7:24
+0:02
21M
21.00 mi13:01:192:32:157:157:34
7:34
+0:10
35K
21.75 mi13:06:372:37:337:155:18
7:05
-0:29
23M
23.00 mi13:15:462:46:427:159:09
7:18
+0:13
24M
24.00 mi13:22:552:53:517:157:09
7:09
-0:09
40K
24.85 mi13:29:043:00:007:156:09
7:12
+0:03
25.2M
25.20 mi13:31:503:02:467:152:46
8:01
+0:49
Finish
26.22 mi13:38:553:09:517:157:05
6:57
-1:04

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

6:57 /mi

Average Pace

7:15 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:05

99% of race

Time at Steady Pace

2:46

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:14 /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 mi10:51:4822:447:1922:44
7:19
#10539
10K
6.21 mi11:14:1245:087:1622:24
7:13
#10019
15K
9.32 mi11:36:341:07:307:1522:22
7:12
#9682
20K
12.43 mi11:58:401:29:367:1322:06
7:07
#9081
Half
13.11 mi12:03:311:34:277:124:51
7:07
#9033
25K
15.53 mi12:20:501:51:467:1217:19
7:09
#8636
30K
18.64 mi12:43:422:14:387:1322:52
7:22
#8204
20M
20.00 mi12:53:452:24:417:1410:03
7:24
#8014
21M
21.00 mi13:01:192:32:157:157:34
7:34
#7748
35K
21.75 mi13:06:372:37:337:155:18
7:05
#7638
23M
23.00 mi13:15:462:46:427:159:09
7:18
#7441
24M
24.00 mi13:22:552:53:517:157:09
7:09
#7304
40K
24.85 mi13:29:043:00:007:156:09
7:12
#7170
25.2M
25.20 mi13:31:503:02:467:152:46
8:01
#7122
Finish
26.22 mi13:38:553:09:517:157:05
6:57
#7020
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10539204720479119(Top 32%)1472(Top 12%)1472(Top 27%)
10K6.21 mi3.10 mi10019+5201816+2311816+2319587(Top 34%)1632(Top 13%)1632(Top 30%)
15K9.32 mi3.11 mi9682+3371686+1301686+1309119(Top 32%)1472(Top 12%)1472(Top 27%)
20K12.43 mi3.11 mi9081+6011450+2361450+2367616(Top 27%)974(Top 8%)974(Top 18%)
Half13.11 mi0.68 mi9033+481433+171433+178387(Top 30%)1225(Top 10%)1225(Top 22%)
25K15.53 mi2.42 mi8636+3971293+1401293+1407245(Top 26%)943(Top 8%)943(Top 17%)
30K18.64 mi3.11 mi8204+4321187+1061187+1066822(Top 24%)943(Top 8%)943(Top 17%)
20M20.00 mi1.36 mi8014+1901151+361151+366378(Top 22%)918(Top 8%)918(Top 17%)
21M21.00 mi1.00 mi7748+2661077+741077+744968(Top 17%)608(Top 5%)608(Top 11%)
35K21.75 mi0.75 mi7638+1101061+161061+165942(Top 21%)910(Top 7%)910(Top 17%)
23M23.00 mi1.25 mi7441+1971037+241037+245533(Top 19%)832(Top 7%)832(Top 15%)
24M24.00 mi1.00 mi7304+1371022+151022+155544(Top 20%)902(Top 7%)902(Top 16%)
40K24.85 mi0.85 mi7170+1341001+211001+215049(Top 18%)796(Top 7%)796(Top 15%)
25.2M25.20 mi0.35 mi7122+48100110016128(Top 22%)1286(Top 11%)1286(Top 24%)
Finish26.22 mi1.02 mi7020+102994+7994+75445(Top 19%)1037(Top 8%)1037(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9119

Females

1472

F18-39

1472

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9587

Females

1632

F18-39

1632

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9119

Females

1472

F18-39

1472

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7616

Females

974

F18-39

974

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8387

Females

1225

F18-39

1225

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7245

Females

943

F18-39

943

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6822

Females

943

F18-39

943

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6378

Females

918

F18-39

918

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4968

Females

608

F18-39

608

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5942

Females

910

F18-39

910

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5533

Females

832

F18-39

832

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5544

Females

902

F18-39

902

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5049

Females

796

F18-39

796

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6128

Females

1286

F18-39

1286

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5445

Females

1037

F18-39

1037

Passing Analysis

Category:
Athletes Passed
3780*
Passed By
261
Net Change
+3519
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10539
5K → 10K60282+520#10539#10019
10K → 15K377*40+337#10019#9682
15K → 20K6076+601#9682#9081
20K → Half6820+48#9081#9033
Half → 25K4047+397#9033#8636
25K → 30K46230+432#8636#8204
30K → 20M20616+190#8204#8014
20M → 21M2682+266#8014#7748
21M → 35K1166+110#7748#7638
35K → 23M20912+197#7638#7441
23M → 24M1458+137#7441#7304
24M → 40K1395+134#7304#7170
40K → 25.2M535+48#7170#7122
25.2M → Finish12422+102#7122#7020
TOTALS3780*261+3519

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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