Boston Marathon logo
BOSTON MARATHON 2023

Yoko England

FL

Bib: 17712 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 29%
Gender (Female)
#0 / 11423
Top 10%
Masters (Masters Women)
#0 / 6539
Top 3%
Division (F50-54)
#0 / 1207
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:38/mi
23:42
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:09/mi
45:54
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:14/mi
1:08:21
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:20/mi
1:31:07
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:09/mi
1:36:00
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:22/mi
1:53:51
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:26/mi
2:16:57
↑ 181↓ 1480.2%
138 ft elev
20M
7:33/mi
2:27:13
↑ 64↓ 500.2%
148 ft elev
21M
8:09/mi
2:35:22
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:20/mi
2:40:51
↑ 17↓ 861.7%
156 ft elev
23M
7:34/mi
2:50:20
↑ 23↓ 630.6%
116 ft elev
24M
7:25/mi
2:57:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:35/mi
3:04:14
↓ 200.3%
20 ft elev
25.2M
8:10/mi
3:07:03
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:33/mi
3:14:45
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:36:007:19 /mi⚡ faster
2nd Half
1:38:457:32 /mi+2.9%
Positive split — 2.9% slower in the second half
Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3623:427:3823:42
7:38
-
10K
6.21 mi11:36:4845:547:2322:12
7:09
-0:29
15K
9.32 mi11:59:151:08:217:2022:27
7:14
+0:05
20K
12.43 mi12:22:011:31:077:2022:46
7:20
+0:06
Half
13.11 mi12:26:541:36:007:194:53
7:09
-0:11
25K
15.53 mi12:44:451:53:517:2017:51
7:22
+0:13
30K
18.64 mi13:07:512:16:577:2123:06
7:26
+0:04
20M
20.00 mi13:18:072:27:137:2210:16
7:33
+0:07
21M
21.00 mi13:26:162:35:227:248:09
8:09
+0:36
35K
21.75 mi13:31:452:40:517:245:29
7:20
-0:49
23M
23.00 mi13:41:142:50:207:249:29
7:34
+0:14
24M
24.00 mi13:48:392:57:457:247:25
7:25
-0:09
40K
24.85 mi13:55:083:04:147:256:29
7:35
+0:10
25.2M
25.20 mi13:57:573:07:037:252:49
8:10
+0:35
Finish
26.22 mi14:05:393:14:457:267:42
7:33
-0:37

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

7:09 /mi

Average Pace

7:26 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:47

94% of race

Time at Steady Pace

10:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi11:14:3623:427:3823:42
7:38
#10805
10K
6.21 mi11:36:4845:547:2322:12
7:09
#9090
15K
9.32 mi11:59:151:08:217:2022:27
7:14
#8716
20K
12.43 mi12:22:011:31:077:2022:46
7:20
#8488
Half
13.11 mi12:26:541:36:007:194:53
7:09
#8435
25K
15.53 mi12:44:451:53:517:2017:51
7:22
#8299
30K
18.64 mi13:07:512:16:577:2123:06
7:26
#7994
20M
20.00 mi13:18:072:27:137:2210:16
7:33
#7875
21M
21.00 mi13:26:162:35:227:248:09
8:09
#7851
35K
21.75 mi13:31:452:40:517:245:29
7:20
#7820
23M
23.00 mi13:41:142:50:207:249:29
7:34
#7732
24M
24.00 mi13:48:392:57:457:247:25
7:25
#7675
40K
24.85 mi13:55:083:04:147:256:29
7:35
#7633
25.2M
25.20 mi13:57:573:07:037:252:49
8:10
#7628
Finish
26.22 mi14:05:393:14:457:267:42
7:33
#7666
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi1080522222222799110661066
10K6.21 mi3.10 mi9090+17151449+7731449+7737746970970
15K9.32 mi3.11 mi8716+3741313+1361313+136799110661066
20K12.43 mi3.11 mi8488+2281232+811232+81801211071107
Half13.11 mi0.68 mi8435+531216+161216+167628971971
25K15.53 mi2.42 mi8299+1361187+291187+29772210891089
30K18.64 mi3.11 mi7994+3051114+731114+736818872872
20M20.00 mi1.36 mi7875+1191088+261088+26720911011101
21M21.00 mi1.00 mi7851+241090-21090-2831816441644
35K21.75 mi0.75 mi7820+311091-11091-1736412391239
23M23.00 mi1.25 mi7732+881083+81083+8693311451145
24M24.00 mi1.00 mi7675+571079+41079+4718313531353
40K24.85 mi0.85 mi7633+421085-61085-6723614551455
25.2M25.20 mi0.35 mi7628+51097-121097-12754016101610
Finish26.22 mi1.02 mi7666-381134-371134-37896822192219

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7991

Females

1066

F50-54

1066

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7746

Females

970

F50-54

970

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7991

Females

1066

F50-54

1066

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8012

Females

1107

F50-54

1107

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

7628

Females

971

F50-54

971

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7722

Females

1089

F50-54

1089

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6818

Females

872

F50-54

872

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7209

Females

1101

F50-54

1101

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8318

Females

1644

F50-54

1644

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7364

Females

1239

F50-54

1239

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6933

Females

1145

F50-54

1145

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7183

Females

1353

F50-54

1353

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7236

Females

1455

F50-54

1455

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7540

Females

1610

F50-54

1610

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

8968

Females

2219

F50-54

2219

Passing Analysis

Category:
Athletes Passed
3593*
Passed By
454
Net Change
+3139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10805
5K → 10K1727*12+1715#10805#9090
10K → 15K39723+374#9090#8716
15K → 20K26335+228#8716#8488
20K → Half618+53#8488#8435
Half → 25K17135+136#8435#8299
25K → 30K32621+305#8299#7994
30K → 20M13819+119#7994#7875
20M → 21M8460+24#7875#7851
21M → 35K5120+31#7851#7820
35K → 23M12335+88#7820#7732
23M → 24M9336+57#7732#7675
24M → 40K7836+42#7675#7633
40K → 25.2M3025+5#7633#7628
25.2M → Finish5189-38#7628#7666
TOTALS3593*454+3139

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing