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BOSTON MARATHON 2025

Rachelle Kuramoto

Bib: 15339•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 22%
Masters (Masters Women)
#0 / 6759
Top 9%
Division (F50-54)
#0 / 1303
Top 4%
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
7:30/mi
23:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:31
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:11:45
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:36:42
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:41:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
2:00:01
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:24:11
↑ 181↓ 1480.2%
20M
7:47/mi
2:34:45
↑ 64↓ 500.2%
21M
8:22/mi
2:43:07
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:48:47
↑ 17↓ 861.7%
23M
7:46/mi
2:58:31
↑ 23↓ 630.6%
24M
7:27/mi
3:05:58
↓ 821.3%
40K· 24.85 mi
7:38/mi
3:12:30
↓ 200.3%
25.2M
8:16/mi
3:15:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:16/mi
3:22:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:41:44
Pace7:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:01
Pace7:42 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3223:177:3023:17
7:30
-
10K
6.21 mi11:14:4646:317:2923:14
7:29
-0:01
15K
9.32 mi11:40:001:11:457:4225:14
8:07
+0:38
20K
12.43 mi12:04:571:36:427:4724:57
8:02
-0:05
Half
13.11 mi12:09:591:41:447:465:02
7:23
-0:39
25K
15.53 mi12:28:162:00:017:4418:17
7:32
+0:09
30K
18.64 mi12:52:262:24:117:4424:10
7:47
+0:15
20M
20.00 mi13:03:002:34:457:4410:34
7:47
0:00
21M
21.00 mi13:11:222:43:077:468:22
8:22
+0:35
35K
21.75 mi13:17:022:48:477:465:40
7:34
-0:48
23M
23.00 mi13:26:462:58:317:469:44
7:46
+0:12
24M
24.00 mi13:34:133:05:587:457:27
7:27
-0:19
40K
24.85 mi13:40:453:12:307:456:32
7:38
+0:11
25.2M
25.20 mi13:43:363:15:217:452:51
8:16
+0:38
Finish
26.22 mi13:51:003:22:457:447:24
7:16
-1:00

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

7:16 /mi

Average Pace

7:44 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:21

70% of race

Time at Steady Pace

1:01:24

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:51:3223:177:3023:17
7:30
#12208
10K
6.21 mi11:14:4646:317:2923:14
7:29
#12018
15K
9.32 mi11:40:001:11:457:4225:14
8:07
#13722
20K
12.43 mi12:04:571:36:427:4724:57
8:02
#14093
Half
13.11 mi12:09:591:41:447:465:02
7:23
#13905
25K
15.53 mi12:28:162:00:017:4418:17
7:32
#13242
30K
18.64 mi12:52:262:24:117:4424:10
7:47
#12538
20M
20.00 mi13:03:002:34:457:4410:34
7:47
#12219
21M
21.00 mi13:11:222:43:077:468:22
8:22
#12032
35K
21.75 mi13:17:022:48:477:465:40
7:34
#11902
23M
23.00 mi13:26:462:58:317:469:44
7:46
#11662
24M
24.00 mi13:34:133:05:587:457:27
7:27
#11404
40K
24.85 mi13:40:453:12:307:456:32
7:38
#11216
25.2M
25.20 mi13:43:363:15:217:452:51
8:16
#11138
Finish
26.22 mi13:51:003:22:457:447:24
7:16
#10959
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi122082909290916890(Top 59%)5661(Top 46%)5661(Top 434%)
10K6.21 mi3.10 mi12018+1902822+872822+8711918(Top 42%)2770(Top 23%)2770(Top 213%)
15K9.32 mi3.11 mi13722-17043808-9863808-98616890(Top 59%)5661(Top 46%)5661(Top 434%)
20K12.43 mi3.11 mi14093-3714054-2464054-24615150(Top 53%)4717(Top 39%)4717(Top 362%)
Half13.11 mi0.68 mi13905+1883954+1003954+10010762(Top 38%)2327(Top 19%)2327(Top 179%)
25K15.53 mi2.42 mi13242+6633623+3313623+33110320(Top 36%)2248(Top 18%)2248(Top 173%)
30K18.64 mi3.11 mi12538+7043289+3343289+3349789(Top 34%)2191(Top 18%)2191(Top 168%)
20M20.00 mi1.36 mi12219+3193149+1403149+1408910(Top 31%)1949(Top 16%)1949(Top 150%)
21M21.00 mi1.00 mi12032+1873084+653084+659674(Top 34%)2461(Top 20%)2461(Top 189%)
35K21.75 mi0.75 mi11902+1303042+423042+429223(Top 32%)2245(Top 18%)2245(Top 172%)
23M23.00 mi1.25 mi11662+2402959+832959+838440(Top 30%)2018(Top 17%)2018(Top 155%)
24M24.00 mi1.00 mi11404+2582860+992860+997396(Top 26%)1626(Top 13%)1626(Top 125%)
40K24.85 mi0.85 mi11216+1882806+542806+547757(Top 27%)1883(Top 15%)1883(Top 145%)
25.2M25.20 mi0.35 mi11138+782780+262780+267544(Top 27%)1884(Top 15%)1884(Top 145%)
Finish26.22 mi1.02 mi10959+1792723+572723+577545(Top 27%)1881(Top 15%)1881(Top 144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16890

Females

5661

F50-54

5661

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11918

Females

2770

F50-54

2770

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16890

Females

5661

F50-54

5661

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

15150

Females

4717

F50-54

4717

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10762

Females

2327

F50-54

2327

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10320

Females

2248

F50-54

2248

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9789

Females

2191

F50-54

2191

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8910

Females

1949

F50-54

1949

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9674

Females

2461

F50-54

2461

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9223

Females

2245

F50-54

2245

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8440

Females

2018

F50-54

2018

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7396

Females

1626

F50-54

1626

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7757

Females

1883

F50-54

1883

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7544

Females

1884

F50-54

1884

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7545

Females

1881

F50-54

1881

Passing Analysis

Category:
Athletes Passed
3708
Passed By
2459
Net Change
+1249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12208
5K → 10K352162+190#12208#12018
10K → 15K161720-1704#12018#13722
15K → 20K119490-371#13722#14093
20K → Half1891+188#14093#13905
Half → 25K6630+663#13905#13242
25K → 30K7117+704#13242#12538
30K → 20M3267+319#12538#12219
20M → 21M21225+187#12219#12032
21M → 35K1399+130#12032#11902
35K → 23M25616+240#11902#11662
23M → 24M2591+258#11662#11404
24M → 40K1957+188#11404#11216
40K → 25.2M857+78#11216#11138
25.2M → Finish1867+179#11138#10959
TOTALS37082459+1249
📊

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