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BOSTON MARATHON 2024

Saiko Uchida

Bib: 13252•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 26%
Gender (Female)
#0 / 10924
Top 11%
Masters (Masters Women)
#0 / 6263
Top 4%
Division (F45-49)
#0 / 1753
Top 4%
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
7:15/mi
22:31
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
45:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:21/mi
1:08:02
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:30:41
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:35:39
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:53:55
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:18:04
↑ 181↓ 1480.2%
20M
8:05/mi
2:29:03
↑ 64↓ 500.2%
21M
8:43/mi
2:37:46
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:43:49
↑ 17↓ 861.7%
23M
7:42/mi
2:53:28
↑ 23↓ 630.6%
24M
7:31/mi
3:00:59
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:08:07
↓ 200.3%
25.2M
9:20/mi
3:11:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:31/mi
3:19:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:39
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:43:21
Pace7:53 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2822:317:1522:31
7:15
-
10K
6.21 mi11:15:1045:137:1722:42
7:18
+0:03
15K
9.32 mi11:37:591:08:027:1822:49
7:21
+0:03
20K
12.43 mi12:00:381:30:417:1822:39
7:17
-0:04
Half
13.11 mi12:05:361:35:397:184:58
7:17
0:00
25K
15.53 mi12:23:521:53:557:2018:16
7:32
+0:15
30K
18.64 mi12:48:012:18:047:2424:09
7:46
+0:14
20M
20.00 mi12:59:002:29:037:2710:59
8:05
+0:19
21M
21.00 mi13:07:432:37:467:318:43
8:43
+0:38
35K
21.75 mi13:13:462:43:497:326:03
8:05
-0:38
23M
23.00 mi13:23:252:53:287:339:39
7:42
-0:23
24M
24.00 mi13:30:563:00:597:327:31
7:31
-0:11
40K
24.85 mi13:38:043:08:077:347:08
8:21
+0:50
25.2M
25.20 mi13:41:173:11:207:363:13
9:20
+0:59
Finish
26.22 mi13:48:573:19:007:367:40
7:31
-1:49

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

7:15 /mi

Average Pace

7:36 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:42:54

82% of race

Time at Slower Pace

36:06

18% of race

Average Pace: 7:35 /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 mi10:52:2822:317:1522:31
7:15
#8790
10K
6.21 mi11:15:1045:137:1722:42
7:18
#8731
15K
9.32 mi11:37:591:08:027:1822:49
7:21
#8607
20K
12.43 mi12:00:381:30:417:1822:39
7:17
#8102
Half
13.11 mi12:05:361:35:397:184:58
7:17
#8062
25K
15.53 mi12:23:521:53:557:2018:16
7:32
#7849
30K
18.64 mi12:48:012:18:047:2424:09
7:46
#7495
20M
20.00 mi12:59:002:29:037:2710:59
8:05
#7400
21M
21.00 mi13:07:432:37:467:318:43
8:43
#7321
35K
21.75 mi13:13:462:43:497:326:03
8:05
#7306
23M
23.00 mi13:23:252:53:287:339:39
7:42
#6993
24M
24.00 mi13:30:563:00:597:327:31
7:31
#6761
40K
24.85 mi13:38:043:08:077:347:08
8:21
#6728
25.2M
25.20 mi13:41:173:11:207:363:13
9:20
#6743
Finish
26.22 mi13:48:573:19:007:367:40
7:31
#6660
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi8790148814888466(Top 33%)1451(Top 13%)1451(Top 83%)
10K6.21 mi3.10 mi8731+591507-191507-198737(Top 34%)1526(Top 14%)1526(Top 87%)
15K9.32 mi3.11 mi8607+1241463+441463+448466(Top 33%)1451(Top 13%)1451(Top 83%)
20K12.43 mi3.11 mi8102+5051283+1801283+1806930(Top 27%)970(Top 9%)970(Top 55%)
Half13.11 mi0.68 mi8062+401277+61277+67557(Top 30%)1203(Top 11%)1203(Top 69%)
25K15.53 mi2.42 mi7849+2131232+451232+457203(Top 28%)1243(Top 11%)1243(Top 71%)
30K18.64 mi3.11 mi7495+3541168+641168+646553(Top 26%)1179(Top 11%)1179(Top 67%)
20M20.00 mi1.36 mi7400+951178-101178-107242(Top 28%)1641(Top 15%)1641(Top 94%)
21M21.00 mi1.00 mi7321+791193-151193-157238(Top 28%)1822(Top 17%)1822(Top 104%)
35K21.75 mi0.75 mi7306+151220-271220-278337(Top 33%)2373(Top 22%)2373(Top 135%)
23M23.00 mi1.25 mi6993+3131151+691151+694436(Top 17%)780(Top 7%)780(Top 44%)
24M24.00 mi1.00 mi6761+2321115+361115+364227(Top 17%)777(Top 7%)777(Top 44%)
40K24.85 mi0.85 mi6728+331147-321147-327567(Top 30%)2396(Top 22%)2396(Top 137%)
25.2M25.20 mi0.35 mi6743-151173-261173-268032(Top 31%)2655(Top 24%)2655(Top 151%)
Finish26.22 mi1.02 mi6660+831166+71166+75775(Top 23%)1535(Top 14%)1535(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8466

Females

1451

F45-49

1451

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

8737

Females

1526

F45-49

1526

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8466

Females

1451

F45-49

1451

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

6930

Females

970

F45-49

970

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7557

Females

1203

F45-49

1203

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7203

Females

1243

F45-49

1243

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6553

Females

1179

F45-49

1179

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7242

Females

1641

F45-49

1641

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7238

Females

1822

F45-49

1822

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8337

Females

2373

F45-49

2373

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4436

Females

780

F45-49

780

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4227

Females

777

F45-49

777

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7567

Females

2396

F45-49

2396

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8032

Females

2655

F45-49

2655

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

5775

Females

1535

F45-49

1535

Passing Analysis

Category:
Athletes Passed
3007
Passed By
877
Net Change
+2130
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8790
5K → 10K270211+59#8790#8731
10K → 15K234110+124#8731#8607
15K → 20K51914+505#8607#8102
20K → Half5818+40#8102#8062
Half → 25K28471+213#8062#7849
25K → 30K42874+354#7849#7495
30K → 20M15762+95#7495#7400
20M → 21M15576+79#7400#7321
21M → 35K8368+15#7321#7306
35K → 23M3229+313#7306#6993
23M → 24M2386+232#6993#6761
24M → 40K11279+33#6761#6728
40K → 25.2M3550-15#6728#6743
25.2M → Finish11229+83#6743#6660
TOTALS3007877+2130
📊

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