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BOSTON MARATHON 2024

Satomi Fujimura

Bib: 21228•F

HI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Race Day Weather
55°/45°F
scattered 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
8:31/mi
26:29
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
52:59
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:19:51
↑ 67↓ 78
20K· 12.43 mi
8:41/mi
1:46:49
↑ 106↓ 860.1%
Half· 13.11 mi
8:32/mi
1:52:38
↑ 19↓ 370.5%
25K· 15.53 mi
9:06/mi
2:14:41
↑ 66↓ 880.2%
30K· 18.64 mi
8:57/mi
2:42:29
↑ 181↓ 1480.2%
20M
9:04/mi
2:54:48
↑ 64↓ 500.2%
21M
10:28/mi
3:05:16
↑ 106↓ 241.6%
35K· 21.75 mi
9:57/mi
3:12:43
↑ 17↓ 861.7%
23M
9:37/mi
3:24:46
↑ 23↓ 630.6%
24M
10:37/mi
3:35:23
↓ 821.3%
40K· 24.85 mi
19:47/mi
3:52:18
↓ 200.3%
25.2M
43:36/mi
4:07:20
↑ 13↓ 160.2%
Finish· 26.22 mi
18:34/mi
4:26:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:38
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:33:37
Pace11:43 /mi
📊Positive Split: 36.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3626:298:3126:29
8:31
-
10K
6.21 mi11:50:0652:598:3226:30
8:32
+0:01
15K
9.32 mi12:16:581:19:518:3426:52
8:39
+0:07
20K
12.43 mi12:43:561:46:498:3626:58
8:41
+0:02
Half
13.11 mi12:49:451:52:388:355:49
8:32
-0:09
25K
15.53 mi13:11:482:14:418:4022:03
9:06
+0:34
30K
18.64 mi13:39:362:42:298:4327:48
8:57
-0:09
20M
20.00 mi13:51:552:54:488:4412:19
9:04
+0:07
21M
21.00 mi14:02:233:05:168:4910:28
10:28
+1:24
35K
21.75 mi14:09:503:12:438:527:27
9:57
-0:31
23M
23.00 mi14:21:533:24:468:5412:03
9:37
-0:20
24M
24.00 mi14:32:303:35:238:5810:37
10:37
+1:00
40K
24.85 mi14:49:253:52:189:2116:55
19:47
+9:10
25.2M
25.20 mi15:04:274:07:209:4915:02
43:36
+23:49
Finish
26.22 mi15:23:224:26:1510:1018:55
18:34
-25:02

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

8:31 /mi

Average Pace

10:10 /mi

Slowest Pace

43:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:35:23

81% of race

Time at Slower Pace

50:52

19% of race

Average Pace: 10:09 /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 mi11:23:3626:298:3126:29
8:31
#17921
10K
6.21 mi11:50:0652:598:3226:30
8:32
#17667
15K
9.32 mi12:16:581:19:518:3426:52
8:39
#17500
20K
12.43 mi12:43:561:46:498:3626:58
8:41
#16962
Half
13.11 mi12:49:451:52:388:355:49
8:32
#16894
25K
15.53 mi13:11:482:14:418:4022:03
9:06
#16691
30K
18.64 mi13:39:362:42:298:4327:48
8:57
#15987
20M
20.00 mi13:51:552:54:488:4412:19
9:04
#15716
21M
21.00 mi14:02:233:05:168:4910:28
10:28
#15678
35K
21.75 mi14:09:503:12:438:527:27
9:57
#15749
23M
23.00 mi14:21:533:24:468:5412:03
9:37
#15636
24M
24.00 mi14:32:303:35:238:5810:37
10:37
#15805
40K
24.85 mi14:49:253:52:189:2116:55
19:47
#17248
25.2M
25.20 mi15:04:274:07:209:4915:02
43:36
#18714
Finish
26.22 mi15:23:224:26:1510:1018:55
18:34
#19692
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi179216708670817215(Top 67%)6271(Top 57%)6271(Top 716%)
10K6.21 mi3.10 mi17667+2546542+1666542+16617483(Top 68%)6420(Top 59%)6420(Top 733%)
15K9.32 mi3.11 mi17500+1676429+1136429+11317215(Top 67%)6271(Top 57%)6271(Top 716%)
20K12.43 mi3.11 mi16962+5386145+2846145+28415752(Top 62%)5445(Top 50%)5445(Top 622%)
Half13.11 mi0.68 mi16894+686110+356110+3515944(Top 62%)5612(Top 51%)5612(Top 641%)
25K15.53 mi2.42 mi16691+2036016+946016+9415962(Top 62%)5699(Top 52%)5699(Top 651%)
30K18.64 mi3.11 mi15987+7045665+3515665+35112987(Top 51%)4274(Top 39%)4274(Top 488%)
20M20.00 mi1.36 mi15716+2715546+1195546+11912486(Top 49%)4289(Top 39%)4289(Top 490%)
21M21.00 mi1.00 mi15678+385567-215567-2114744(Top 58%)5706(Top 52%)5706(Top 651%)
35K21.75 mi0.75 mi15749-715634-675634-6717039(Top 67%)6877(Top 63%)6877(Top 785%)
23M23.00 mi1.25 mi15636+1135617+175617+1714051(Top 55%)5449(Top 50%)5449(Top 622%)
24M24.00 mi1.00 mi15805-1695734-1175734-11718212(Top 71%)7574(Top 69%)7574(Top 865%)
40K24.85 mi0.85 mi17248-14436562-8286562-82825466(Top 100%)10900(Top 100%)10900(Top 1244%)
25.2M25.20 mi0.35 mi18714-14667367-8057367-80525541(Top 100%)10922(Top 100%)10922(Top 1247%)
Finish26.22 mi1.02 mi19692-9787882-5157882-51525481(Top 100%)10902(Top 100%)10902(Top 1245%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17215

Females

6271

F55-59

6271

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

17483

Females

6420

F55-59

6420

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17215

Females

6271

F55-59

6271

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

15752

Females

5445

F55-59

5445

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

15944

Females

5612

F55-59

5612

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

15962

Females

5699

F55-59

5699

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

12987

Females

4274

F55-59

4274

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12486

Females

4289

F55-59

4289

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

14744

Females

5706

F55-59

5706

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17039

Females

6877

F55-59

6877

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14051

Females

5449

F55-59

5449

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18212

Females

7574

F55-59

7574

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

25466

Females

10900

F55-59

10900

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

25541

Females

10922

F55-59

10922

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

25481

Females

10902

F55-59

10902

Passing Analysis

Category:
Athletes Passed
3133
Passed By
4904
Net Change
-1771
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17921
5K → 10K427173+254#17921#17667
10K → 15K326159+167#17667#17500
15K → 20K57436+538#17500#16962
20K → Half7810+68#16962#16894
Half → 25K315112+203#16894#16691
25K → 30K71410+704#16691#15987
30K → 20M28211+271#15987#15716
20M → 21M140102+38#15716#15678
21M → 35K52123-71#15678#15749
35K → 23M17562+113#15749#15636
23M → 24M35204-169#15636#15805
24M → 40K51448-1443#15805#17248
40K → 25.2M01466-1466#17248#18714
25.2M → Finish10988-978#18714#19692
TOTALS31334904-1771
📊

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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Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing