Boston Marathon logo
BOSTON MARATHON 2023

Yukimi Pyle

Bib: 18815•F

NC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Masters (Masters Women)
#0 / 6539
Top 17%
Division (F45-49)
#0 / 1817
Top 18%
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
7:54/mi
24:33
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
48:07
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:11:56
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:36:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:41:49
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:01:20
↑ 66↓ 880.2%
30K· 18.64 mi
8:23/mi
2:27:22
↑ 181↓ 1480.2%
20M
8:26/mi
2:38:50
↑ 64↓ 500.2%
21M
9:08/mi
2:47:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:53:51
↑ 17↓ 861.7%
23M
8:20/mi
3:04:17
↑ 23↓ 630.6%
24M
8:13/mi
3:12:30
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:19:43
↓ 200.3%
25.2M
9:17/mi
3:22:55
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
3:31:25
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:49
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:49:36
Pace8:22 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4224:337:5424:33
7:54
-
10K
6.21 mi11:39:1648:077:4523:34
7:35
-0:19
15K
9.32 mi12:03:051:11:567:4323:49
7:40
+0:05
20K
12.43 mi12:27:381:36:297:4624:33
7:54
+0:14
Half
13.11 mi12:32:581:41:497:465:20
7:49
-0:05
25K
15.53 mi12:52:292:01:207:4919:31
8:03
+0:14
30K
18.64 mi13:18:312:27:227:5426:02
8:23
+0:20
20M
20.00 mi13:29:592:38:507:5611:28
8:26
+0:03
21M
21.00 mi13:39:072:47:588:009:08
9:08
+0:42
35K
21.75 mi13:45:002:53:518:005:53
7:52
-1:16
23M
23.00 mi13:55:263:04:178:0110:26
8:20
+0:28
24M
24.00 mi14:03:393:12:308:018:13
8:13
-0:07
40K
24.85 mi14:10:523:19:438:027:13
8:26
+0:13
25.2M
25.20 mi14:14:043:22:558:033:12
9:17
+0:51
Finish
26.22 mi14:22:343:31:258:048:30
8:20
-0:57

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

7:35 /mi

Average Pace

8:04 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:42

51% of race

Time at Steady Pace

1:31:23

43% of race

Time at Slower Pace

12:20

6% of race

Average Pace: 8:04 /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 mi11:15:4224:337:5424:33
7:54
#13272
10K
6.21 mi11:39:1648:077:4523:34
7:35
#12222
15K
9.32 mi12:03:051:11:567:4323:49
7:40
#11944
20K
12.43 mi12:27:381:36:297:4624:33
7:54
#12078
Half
13.11 mi12:32:581:41:497:465:20
7:49
#12114
25K
15.53 mi12:52:292:01:207:4919:31
8:03
#12274
30K
18.64 mi13:18:312:27:227:5426:02
8:23
#12516
20M
20.00 mi13:29:592:38:507:5611:28
8:26
#12564
21M
21.00 mi13:39:072:47:588:009:08
9:08
#12654
35K
21.75 mi13:45:002:53:518:005:53
7:52
#12585
23M
23.00 mi13:55:263:04:178:0110:26
8:20
#12539
24M
24.00 mi14:03:393:12:308:018:13
8:13
#12542
40K
24.85 mi14:10:523:19:438:027:13
8:26
#12563
25.2M
25.20 mi14:14:043:22:558:033:12
9:17
#12588
Finish
26.22 mi14:22:343:31:258:048:30
8:20
#12649
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi132723592359211574(Top 43%)2672(Top 23%)2672(Top 147%)
10K6.21 mi3.10 mi12222+10502986+6062986+60611207(Top 42%)2439(Top 21%)2439(Top 134%)
15K9.32 mi3.11 mi11944+2782861+1252861+12511574(Top 43%)2672(Top 23%)2672(Top 147%)
20K12.43 mi3.11 mi12078-1342955-942955-9412649(Top 48%)3351(Top 29%)3351(Top 184%)
Half13.11 mi0.68 mi12114-362986-312986-3112926(Top 49%)3455(Top 30%)3455(Top 190%)
25K15.53 mi2.42 mi12274-1603101-1153101-11513152(Top 49%)3713(Top 33%)3713(Top 204%)
30K18.64 mi3.11 mi12516-2423265-1643265-16413560(Top 51%)4063(Top 36%)4063(Top 224%)
20M20.00 mi1.36 mi12564-483309-443309-4413260(Top 50%)3992(Top 35%)3992(Top 220%)
21M21.00 mi1.00 mi12654-903387-783387-7814129(Top 53%)4549(Top 40%)4549(Top 250%)
35K21.75 mi0.75 mi12585+693361+263361+2611191(Top 42%)2978(Top 26%)2978(Top 164%)
23M23.00 mi1.25 mi12539+463351+103351+1012151(Top 46%)3601(Top 32%)3601(Top 198%)
24M24.00 mi1.00 mi12542-33376-253376-2512746(Top 48%)3986(Top 35%)3986(Top 219%)
40K24.85 mi0.85 mi12563-213411-353411-3512996(Top 49%)4200(Top 37%)4200(Top 231%)
25.2M25.20 mi0.35 mi12588-253433-223433-2214110(Top 53%)4794(Top 42%)4794(Top 264%)
Finish26.22 mi1.02 mi12649-613492-593492-5914361(Top 54%)4923(Top 43%)4923(Top 271%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11574

Females

2672

F45-49

2672

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11207

Females

2439

F45-49

2439

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11574

Females

2672

F45-49

2672

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12649

Females

3351

F45-49

3351

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

12926

Females

3455

F45-49

3455

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13152

Females

3713

F45-49

3713

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13560

Females

4063

F45-49

4063

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13260

Females

3992

F45-49

3992

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14129

Females

4549

F45-49

4549

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11191

Females

2978

F45-49

2978

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12151

Females

3601

F45-49

3601

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12746

Females

3986

F45-49

3986

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12996

Females

4200

F45-49

4200

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14110

Females

4794

F45-49

4794

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14361

Females

4923

F45-49

4923

Passing Analysis

Category:
Athletes Passed
2357
Passed By
1734
Net Change
+623
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13272
5K → 10K111262+1050#13272#12222
10K → 15K36284+278#12222#11944
15K → 20K128262-134#11944#12078
20K → Half1551-36#12078#12114
Half → 25K77237-160#12114#12274
25K → 30K137379-242#12274#12516
30K → 20M85133-48#12516#12564
20M → 21M65155-90#12564#12654
21M → 35K8112+69#12654#12585
35K → 23M11064+46#12585#12539
23M → 24M7073-3#12539#12542
24M → 40K4667-21#12542#12563
40K → 25.2M2146-25#12563#12588
25.2M → Finish48109-61#12588#12649
TOTALS23571734+623
📊

Passing Visuals

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