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BOSTON MARATHON 2025

Chisako Ohashi

Bib: 25047•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Top 49%
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
9:23/mi
29:10
↑ 97↓ 3451.5%
10K· 6.21 mi
9:15/mi
57:55
↑ 79↓ 1380.4%
15K· 9.32 mi
9:18/mi
1:26:50
↑ 67↓ 78
20K· 12.43 mi
9:33/mi
1:56:30
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
2:02:48
↑ 19↓ 370.5%
25K· 15.53 mi
9:36/mi
2:26:05
↑ 66↓ 880.2%
30K· 18.64 mi
10:17/mi
2:58:02
↑ 181↓ 1480.2%
20M
10:23/mi
3:12:09
↑ 64↓ 500.2%
21M
11:05/mi
3:23:14
↑ 106↓ 241.6%
35K· 21.75 mi
9:03/mi
3:30:00
↑ 17↓ 861.7%
23M
10:06/mi
3:42:39
↑ 23↓ 630.6%
24M
10:14/mi
3:52:53
↓ 821.3%
40K· 24.85 mi
10:36/mi
4:01:57
↓ 200.3%
25.2M
11:50/mi
4:06:02
↑ 13↓ 160.2%
Finish· 26.22 mi
9:07/mi
4:15:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:48
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:12:31
Pace10:07 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:4029:109:2329:10
9:23
-
10K
6.21 mi11:58:2557:559:1928:45
9:15
-0:08
15K
9.32 mi12:27:201:26:509:1928:55
9:18
+0:03
20K
12.43 mi12:57:001:56:309:2229:40
9:33
+0:15
Half
13.11 mi13:03:182:02:489:226:18
9:14
-0:19
25K
15.53 mi13:26:352:26:059:2423:17
9:36
+0:22
30K
18.64 mi13:58:322:58:029:3331:57
10:17
+0:41
20M
20.00 mi14:12:393:12:099:3614:07
10:23
+0:06
21M
21.00 mi14:23:443:23:149:4111:05
11:05
+0:42
35K
21.75 mi14:30:303:30:009:396:46
9:03
-2:02
23M
23.00 mi14:43:093:42:399:4112:39
10:06
+1:03
24M
24.00 mi14:53:233:52:539:4210:14
10:14
+0:08
40K
24.85 mi15:02:274:01:579:449:04
10:36
+0:22
25.2M
25.20 mi15:06:324:06:029:464:05
11:50
+1:14
Finish
26.22 mi15:15:494:15:199:459:17
9:07
-2:43

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

9:03 /mi

Average Pace

9:45 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:03

6% of race

Time at Steady Pace

2:26:05

57% of race

Time at Slower Pace

1:33:11

36% of race

Average Pace: 9:44 /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 mi11:29:4029:109:2329:10
9:23
#23879
10K
6.21 mi11:58:2557:559:1928:45
9:15
#23628
15K
9.32 mi12:27:201:26:509:1928:55
9:18
#23498
20K
12.43 mi12:57:001:56:309:2229:40
9:33
#23367
Half
13.11 mi13:03:182:02:489:226:18
9:14
#23332
25K
15.53 mi13:26:352:26:059:2423:17
9:36
#23129
30K
18.64 mi13:58:322:58:029:3331:57
10:17
#22958
20M
20.00 mi14:12:393:12:099:3614:07
10:23
#22872
21M
21.00 mi14:23:443:23:149:4111:05
11:05
#22813
35K
21.75 mi14:30:303:30:009:396:46
9:03
#22654
23M
23.00 mi14:43:093:42:399:4112:39
10:06
#22539
24M
24.00 mi14:53:233:52:539:4210:14
10:14
#22502
40K
24.85 mi15:02:274:01:579:449:04
10:36
#22476
25.2M
25.20 mi15:06:324:06:029:464:05
11:50
#22490
Finish
26.22 mi15:15:494:15:199:459:17
9:07
#22393
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi238799633963323241(Top 82%)9230(Top 75%)9230(Top 1479%)
10K6.21 mi3.10 mi23628+2519496+1379496+13723376(Top 82%)9340(Top 76%)9340(Top 1497%)
15K9.32 mi3.11 mi23498+1309411+859411+8523241(Top 82%)9230(Top 75%)9230(Top 1479%)
20K12.43 mi3.11 mi23367+1319324+879324+8723055(Top 81%)9180(Top 75%)9180(Top 1471%)
Half13.11 mi0.68 mi23332+359306+189306+1822765(Top 80%)9019(Top 74%)9019(Top 1445%)
25K15.53 mi2.42 mi23129+2039209+979209+9722204(Top 78%)8764(Top 72%)8764(Top 1404%)
30K18.64 mi3.11 mi22958+1719162+479162+4722402(Top 79%)8998(Top 74%)8998(Top 1442%)
20M20.00 mi1.36 mi22872+869145+179145+1722127(Top 78%)8971(Top 73%)8971(Top 1438%)
21M21.00 mi1.00 mi22813+599127+189127+1821638(Top 76%)8782(Top 72%)8782(Top 1407%)
35K21.75 mi0.75 mi22654+1599047+809047+8018519(Top 65%)7219(Top 59%)7219(Top 1157%)
23M23.00 mi1.25 mi22539+1159008+399008+3920840(Top 73%)8477(Top 69%)8477(Top 1358%)
24M24.00 mi1.00 mi22502+379013-59013-522050(Top 78%)9159(Top 75%)9159(Top 1468%)
40K24.85 mi0.85 mi22476+269017-49017-422217(Top 78%)9318(Top 76%)9318(Top 1493%)
25.2M25.20 mi0.35 mi22490-149032-159032-1522917(Top 81%)9617(Top 79%)9617(Top 1541%)
Finish26.22 mi1.02 mi22393+978997+358997+3519582(Top 69%)7919(Top 65%)7919(Top 1269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23241

Females

9230

F60-64

9230

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23376

Females

9340

F60-64

9340

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23241

Females

9230

F60-64

9230

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

23055

Females

9180

F60-64

9180

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22765

Females

9019

F60-64

9019

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22204

Females

8764

F60-64

8764

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

22402

Females

8998

F60-64

8998

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22127

Females

8971

F60-64

8971

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

21638

Females

8782

F60-64

8782

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

18519

Females

7219

F60-64

7219

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20840

Females

8477

F60-64

8477

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22050

Females

9159

F60-64

9159

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22217

Females

9318

F60-64

9318

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22917

Females

9617

F60-64

9617

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19582

Females

7919

F60-64

7919

Passing Analysis

Category:
Athletes Passed
2125
Passed By
639
Net Change
+1486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23879
5K → 10K380129+251#23879#23628
10K → 15K235105+130#23628#23498
15K → 20K21180+131#23498#23367
20K → Half5217+35#23367#23332
Half → 25K23633+203#23332#23129
25K → 30K25786+171#23129#22958
30K → 20M11933+86#22958#22872
20M → 21M9334+59#22872#22813
21M → 35K1590+159#22813#22654
35K → 23M13924+115#22654#22539
23M → 24M6932+37#22539#22502
24M → 40K6034+26#22502#22476
40K → 25.2M1125-14#22476#22490
25.2M → Finish1047+97#22490#22393
TOTALS2125639+1486
📊

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