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BOSTON MARATHON 2023

Satomi Fujimura

Bib: 16246•F

HI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 35%
Division (F55-59)
#0 / 815
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:29
Rank: #15496
Start → 5K
25:29 | 8:12/mi
10K· 6.21 mi
51:00
Rank: #15882 (-386)
5K → 10K
25:31 | 8:13/mi
15K· 9.32 mi
1:16:15
Rank: #15684 (+198)
10K → 15K
25:15 | 8:08/mi
20K· 12.43 mi
1:41:53
Rank: #15556 (+128)
15K → 20K
25:38 | 8:15/mi
Half· 13.11 mi
1:47:28
Rank: #15571 (-15)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:07:35
Rank: #15444 (+127)
Half → 25K
20:07 | 8:18/mi
30K· 18.64 mi
2:34:29
Rank: #15382 (+62)
25K → 30K
26:54 | 8:39/mi
20M
2:46:20
Rank: #15345 (+37)
30K → 20M
11:51 | 8:43/mi
21M
2:55:55
Rank: #15373 (-28)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
3:02:13
Rank: #15334 (+39)
21M → 35K
6:18 | 8:25/mi
23M
3:13:17
Rank: #15315 (+19)
35K → 23M
11:04 | 8:50/mi
24M
3:22:02
Rank: #15350 (-35)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:29:59
Rank: #15457 (-107)
24M → 40K
7:57 | 9:18/mi
25.2M
3:33:33
Rank: #15517 (-60)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
3:43:04
Rank: #15693 (-176)
25.2M → Finish
9:31 | 9:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:28
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:55:36
Pace8:49 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5125:298:1225:29
8:12
-
10K
6.21 mi11:41:2251:008:1225:31
8:13
+0:01
15K
9.32 mi12:06:371:16:158:1125:15
8:08
-0:05
20K
12.43 mi12:32:151:41:538:1225:38
8:15
+0:07
Half
13.11 mi12:37:501:47:288:125:35
8:11
-0:04
25K
15.53 mi12:57:572:07:358:1320:07
8:18
+0:07
30K
18.64 mi13:24:512:34:298:1726:54
8:39
+0:21
20M
20.00 mi13:36:422:46:208:1911:51
8:43
+0:04
21M
21.00 mi13:46:172:55:558:239:35
9:35
+0:52
35K
21.75 mi13:52:353:02:138:236:18
8:25
-1:10
23M
23.00 mi14:03:393:13:178:2411:04
8:50
+0:25
24M
24.00 mi14:12:243:22:028:258:45
8:45
-0:05
40K
24.85 mi14:20:213:29:598:277:57
9:18
+0:33
25.2M
25.20 mi14:23:553:33:338:283:34
10:21
+1:03
Finish
26.22 mi14:33:263:43:048:319:31
9:20
-1:01

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

8:08 /mi

Average Pace

8:31 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:35

57% of race

Time at Steady Pace

1:04:52

29% of race

Time at Slower Pace

30:37

14% of race

Average Pace: 8:30 /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 mi11:15:5125:298:1225:29
8:12
#15496
10K
6.21 mi11:41:2251:008:1225:31
8:13
#15882
15K
9.32 mi12:06:371:16:158:1125:15
8:08
#15684
20K
12.43 mi12:32:151:41:538:1225:38
8:15
#15556
Half
13.11 mi12:37:501:47:288:125:35
8:11
#15571
25K
15.53 mi12:57:572:07:358:1320:07
8:18
#15444
30K
18.64 mi13:24:512:34:298:1726:54
8:39
#15382
20M
20.00 mi13:36:422:46:208:1911:51
8:43
#15345
21M
21.00 mi13:46:172:55:558:239:35
9:35
#15373
35K
21.75 mi13:52:353:02:138:236:18
8:25
#15334
23M
23.00 mi14:03:393:13:178:2411:04
8:50
#15315
24M
24.00 mi14:12:243:22:028:258:45
8:45
#15350
40K
24.85 mi14:20:213:29:598:277:57
9:18
#15457
25.2M
25.20 mi14:23:553:33:338:283:34
10:21
#15517
Finish
26.22 mi14:33:263:43:048:319:31
9:20
#15693
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi154964964496415353(Top 58%)4882(Top 43%)4882(Top 599%)
10K6.21 mi3.10 mi15882-3865210-2465210-24616362(Top 61%)5490(Top 48%)5490(Top 674%)
15K9.32 mi3.11 mi15684+1985088+1225088+12215353(Top 58%)4882(Top 43%)4882(Top 599%)
20K12.43 mi3.11 mi15556+1285027+615027+6115292(Top 57%)4896(Top 43%)4896(Top 601%)
Half13.11 mi0.68 mi15571-155043-165043-1615750(Top 59%)5156(Top 45%)5156(Top 633%)
25K15.53 mi2.42 mi15444+1274994+494994+4914961(Top 56%)4813(Top 42%)4813(Top 591%)
30K18.64 mi3.11 mi15382+625003-95003-915283(Top 57%)5108(Top 45%)5108(Top 627%)
20M20.00 mi1.36 mi15345+374994+94994+915010(Top 56%)4999(Top 44%)4999(Top 613%)
21M21.00 mi1.00 mi15373-285043-495043-4916363(Top 61%)5829(Top 51%)5829(Top 715%)
35K21.75 mi0.75 mi15334+395028+155028+1514886(Top 56%)5041(Top 44%)5041(Top 619%)
23M23.00 mi1.25 mi15315+195040-125040-1215214(Top 57%)5295(Top 46%)5295(Top 650%)
24M24.00 mi1.00 mi15350-355073-335073-3315950(Top 60%)5778(Top 51%)5778(Top 709%)
40K24.85 mi0.85 mi15457-1075167-945167-9417523(Top 66%)6688(Top 59%)6688(Top 821%)
25.2M25.20 mi0.35 mi15517-605205-385205-3818615(Top 70%)7277(Top 64%)7277(Top 893%)
Finish26.22 mi1.02 mi15693-1765308-1035308-10319527(Top 73%)7738(Top 68%)7738(Top 949%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15353

Females

4882

F55-59

4882

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16362

Females

5490

F55-59

5490

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15353

Females

4882

F55-59

4882

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15292

Females

4896

F55-59

4896

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15750

Females

5156

F55-59

5156

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14961

Females

4813

F55-59

4813

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15283

Females

5108

F55-59

5108

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15010

Females

4999

F55-59

4999

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16363

Females

5829

F55-59

5829

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

14886

Females

5041

F55-59

5041

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15214

Females

5295

F55-59

5295

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

15950

Females

5778

F55-59

5778

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17523

Females

6688

F55-59

6688

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18615

Females

7277

F55-59

7277

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19527

Females

7738

F55-59

7738

Passing Analysis

Category:
Athletes Passed
1592
Passed By
1789
Net Change
-197
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15496
5K → 10K155541-386#15496#15882
10K → 15K29597+198#15882#15684
15K → 20K237109+128#15684#15556
20K → Half2338-15#15556#15571
Half → 25K19568+127#15571#15444
25K → 30K215153+62#15444#15382
30K → 20M10669+37#15382#15345
20M → 21M76104-28#15345#15373
21M → 35K6425+39#15373#15334
35K → 23M9778+19#15334#15315
23M → 24M5691-35#15315#15350
24M → 40K30137-107#15350#15457
40K → 25.2M1979-60#15457#15517
25.2M → Finish24200-176#15517#15693
TOTALS15921789-197
📊

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