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BOSTON MARATHON 2023

Yuko Sherwood

Bib: 19722•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 32%
Masters (Masters Women)
#0 / 6539
Top 18%
Division (F60-64)
#0 / 527
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
8:11/mi
25:27
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
50:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:15:48
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:40:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:46:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:05:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:30:38
↑ 181↓ 1480.2%
20M
8:10/mi
2:41:44
↑ 64↓ 500.2%
21M
8:38/mi
2:50:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:56:18
↑ 17↓ 861.7%
23M
8:12/mi
3:06:34
↑ 23↓ 630.6%
24M
7:54/mi
3:14:28
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:21:23
↓ 200.3%
25.2M
8:48/mi
3:24:25
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:32:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:46:12
Pace8:06 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:46:10
Pace8:06 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0925:278:1125:27
8:11
-
10K
6.21 mi11:44:2150:398:0925:12
8:07
-0:04
15K
9.32 mi12:09:301:15:488:0825:09
8:06
-0:01
20K
12.43 mi12:34:281:40:468:0724:58
8:02
-0:04
Half
13.11 mi12:39:541:46:128:065:26
7:58
-0:04
25K
15.53 mi12:59:142:05:328:0519:20
7:58
0:00
30K
18.64 mi13:24:202:30:388:0525:06
8:05
+0:07
20M
20.00 mi13:35:262:41:448:0511:06
8:10
+0:05
21M
21.00 mi13:44:042:50:228:078:38
8:38
+0:28
35K
21.75 mi13:50:002:56:188:065:56
7:56
-0:42
23M
23.00 mi14:00:163:06:348:0710:16
8:12
+0:16
24M
24.00 mi14:08:103:14:288:067:54
7:54
-0:18
40K
24.85 mi14:15:053:21:238:066:55
8:05
+0:11
25.2M
25.20 mi14:18:073:24:258:073:02
8:48
+0:43
Finish
26.22 mi14:26:043:32:228:067:57
7:48
-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

7:48 /mi

Average Pace

8:06 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:42

95% of race

Time at Steady Pace

11:40

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi11:19:0925:278:1125:27
8:11
#15436
10K
6.21 mi11:44:2150:398:0925:12
8:07
#15479
15K
9.32 mi12:09:301:15:488:0825:09
8:06
#15372
20K
12.43 mi12:34:281:40:468:0724:58
8:02
#14931
Half
13.11 mi12:39:541:46:128:065:26
7:58
#14895
25K
15.53 mi12:59:142:05:328:0519:20
7:58
#14508
30K
18.64 mi13:24:202:30:388:0525:06
8:05
#13952
20M
20.00 mi13:35:262:41:448:0511:06
8:10
#13721
21M
21.00 mi13:44:042:50:228:078:38
8:38
#13547
35K
21.75 mi13:50:002:56:188:065:56
7:56
#13465
23M
23.00 mi14:00:163:06:348:0710:16
8:12
#13293
24M
24.00 mi14:08:103:14:288:067:54
7:54
#13144
40K
24.85 mi14:15:053:21:238:066:55
8:05
#13035
25.2M
25.20 mi14:18:073:24:258:073:02
8:48
#13000
Finish
26.22 mi14:26:043:32:228:067:57
7:48
#12895
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi154364930493015150(Top 57%)4769(Top 42%)4769(Top 905%)
10K6.21 mi3.10 mi15479-434957-274957-2715611(Top 59%)5028(Top 44%)5028(Top 954%)
15K9.32 mi3.11 mi15372+1074899+584899+5815150(Top 57%)4769(Top 42%)4769(Top 905%)
20K12.43 mi3.11 mi14931+4414642+2574642+25713746(Top 52%)3966(Top 35%)3966(Top 753%)
Half13.11 mi0.68 mi14895+364624+184624+1814181(Top 53%)4208(Top 37%)4208(Top 798%)
25K15.53 mi2.42 mi14508+3874405+2194405+21912561(Top 47%)3400(Top 30%)3400(Top 645%)
30K18.64 mi3.11 mi13952+5564118+2874118+28711533(Top 43%)2921(Top 26%)2921(Top 554%)
20M20.00 mi1.36 mi13721+2313992+1263992+12611513(Top 43%)3019(Top 26%)3019(Top 573%)
21M21.00 mi1.00 mi13547+1743907+853907+8511311(Top 42%)3050(Top 27%)3050(Top 579%)
35K21.75 mi0.75 mi13465+823866+413866+4111705(Top 44%)3283(Top 29%)3283(Top 623%)
23M23.00 mi1.25 mi13293+1723795+713795+7111223(Top 42%)3135(Top 27%)3135(Top 595%)
24M24.00 mi1.00 mi13144+1493737+583737+5810584(Top 40%)2890(Top 25%)2890(Top 548%)
40K24.85 mi0.85 mi13035+1093695+423695+4210705(Top 40%)3009(Top 26%)3009(Top 571%)
25.2M25.20 mi0.35 mi13000+353683+123683+1211459(Top 43%)3470(Top 30%)3470(Top 658%)
Finish26.22 mi1.02 mi12895+1053638+453638+4510744(Top 40%)3076(Top 27%)3076(Top 584%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15150

Females

4769

F60-64

4769

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15611

Females

5028

F60-64

5028

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15150

Females

4769

F60-64

4769

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13746

Females

3966

F60-64

3966

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

14181

Females

4208

F60-64

4208

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12561

Females

3400

F60-64

3400

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11533

Females

2921

F60-64

2921

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11513

Females

3019

F60-64

3019

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11311

Females

3050

F60-64

3050

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11705

Females

3283

F60-64

3283

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11223

Females

3135

F60-64

3135

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10584

Females

2890

F60-64

2890

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10705

Females

3009

F60-64

3009

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11459

Females

3470

F60-64

3470

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10744

Females

3076

F60-64

3076

Passing Analysis

Category:
Athletes Passed
3169
Passed By
628
Net Change
+2541
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15436
5K → 10K273316-43#15436#15479
10K → 15K246139+107#15479#15372
15K → 20K46928+441#15372#14931
20K → Half5014+36#14931#14895
Half → 25K3947+387#14895#14508
25K → 30K56812+556#14508#13952
30K → 20M24211+231#13952#13721
20M → 21M18915+174#13721#13547
21M → 35K10220+82#13547#13465
35K → 23M19018+172#13465#13293
23M → 24M16819+149#13293#13144
24M → 40K11910+109#13144#13035
40K → 25.2M438+35#13035#13000
25.2M → Finish11611+105#13000#12895
TOTALS3169628+2541
📊

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