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BOSTON MARATHON 2023

Gillean Yuen

Bib: 17127•F

OR

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 45%
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
7:42/mi
23:56
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
47:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:47/mi
1:12:08
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:36:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:41:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:59/mi
2:01:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:17/mi
2:26:57
↑ 181↓ 1480.2%
20M
8:23/mi
2:38:20
↑ 64↓ 500.2%
21M
8:43/mi
2:47:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:52:58
↑ 17↓ 861.7%
23M
8:17/mi
3:03:20
↑ 23↓ 630.6%
24M
7:56/mi
3:11:16
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:18:09
↓ 200.3%
25.2M
8:39/mi
3:21:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:29:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:51
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:47:10
Pace8:11 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2623:567:4223:56
7:42
-
10K
6.21 mi11:38:2747:577:4324:01
7:44
+0:02
15K
9.32 mi12:02:381:12:087:4424:11
7:47
+0:03
20K
12.43 mi12:27:011:36:317:4624:23
7:51
+0:04
Half
13.11 mi12:32:211:41:517:465:20
7:49
-0:02
25K
15.53 mi12:51:432:01:137:4819:22
7:59
+0:10
30K
18.64 mi13:17:272:26:577:5325:44
8:17
+0:18
20M
20.00 mi13:28:502:38:207:5511:23
8:23
+0:06
21M
21.00 mi13:37:332:47:037:578:43
8:43
+0:20
35K
21.75 mi13:43:282:52:587:575:55
7:55
-0:48
23M
23.00 mi13:53:503:03:207:5810:22
8:17
+0:22
24M
24.00 mi14:01:463:11:167:587:56
7:56
-0:21
40K
24.85 mi14:08:393:18:097:586:53
8:03
+0:07
25.2M
25.20 mi14:11:383:21:087:592:59
8:39
+0:36
Finish
26.22 mi14:19:313:29:017:597:53
7:44
-0:55

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

7:42 /mi

Average Pace

7:59 /mi

Slowest Pace

8:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:19

94% of race

Time at Steady Pace

11:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi11:14:2623:567:4223:56
7:42
#11499
10K
6.21 mi11:38:2747:577:4324:01
7:44
#11981
15K
9.32 mi12:02:381:12:087:4424:11
7:47
#12150
20K
12.43 mi12:27:011:36:317:4624:23
7:51
#12096
Half
13.11 mi12:32:211:41:517:465:20
7:49
#12127
25K
15.53 mi12:51:432:01:137:4819:22
7:59
#12207
30K
18.64 mi13:17:272:26:577:5325:44
8:17
#12337
20M
20.00 mi13:28:502:38:207:5511:23
8:23
#12359
21M
21.00 mi13:37:332:47:037:578:43
8:43
#12296
35K
21.75 mi13:43:282:52:587:575:55
7:55
#12261
23M
23.00 mi13:53:503:03:207:5810:22
8:17
#12232
24M
24.00 mi14:01:463:11:167:587:56
7:56
#12161
40K
24.85 mi14:08:393:18:097:586:53
8:03
#12071
25.2M
25.20 mi14:11:383:21:087:592:59
8:39
#12037
Finish
26.22 mi14:19:313:29:017:597:53
7:44
#11964
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi114992595259512604(Top 47%)3239(Top 28%)3239(Top 66%)
10K6.21 mi3.10 mi11981-4822860-2652860-26512524(Top 47%)3163(Top 28%)3163(Top 65%)
15K9.32 mi3.11 mi12150-1692978-1182978-11812604(Top 47%)3239(Top 28%)3239(Top 66%)
20K12.43 mi3.11 mi12096+542970+82970+812168(Top 46%)3070(Top 27%)3070(Top 63%)
Half13.11 mi0.68 mi12127-312993-232993-2312903(Top 48%)3432(Top 30%)3432(Top 70%)
25K15.53 mi2.42 mi12207-803059-663059-6612649(Top 48%)3441(Top 30%)3441(Top 70%)
30K18.64 mi3.11 mi12337-1303169-1103169-11012919(Top 49%)3703(Top 32%)3703(Top 76%)
20M20.00 mi1.36 mi12359-223192-233192-2312875(Top 48%)3785(Top 33%)3785(Top 77%)
21M21.00 mi1.00 mi12296+633172+203172+2011782(Top 44%)3288(Top 29%)3288(Top 67%)
35K21.75 mi0.75 mi12261+353175-33175-311500(Top 43%)3140(Top 27%)3140(Top 64%)
23M23.00 mi1.25 mi12232+293185-103185-1011761(Top 44%)3383(Top 30%)3383(Top 69%)
24M24.00 mi1.00 mi12161+713168+173168+1710806(Top 41%)2985(Top 26%)2985(Top 61%)
40K24.85 mi0.85 mi12071+903142+263142+2610407(Top 39%)2849(Top 25%)2849(Top 58%)
25.2M25.20 mi0.35 mi12037+343126+163126+1610528(Top 40%)2954(Top 26%)2954(Top 60%)
Finish26.22 mi1.02 mi11964+733102+243102+2410240(Top 38%)2817(Top 25%)2817(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12604

Females

3239

F18-39

3239

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12524

Females

3163

F18-39

3163

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12604

Females

3239

F18-39

3239

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12168

Females

3070

F18-39

3070

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12903

Females

3432

F18-39

3432

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12649

Females

3441

F18-39

3441

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

12919

Females

3703

F18-39

3703

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12875

Females

3785

F18-39

3785

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11782

Females

3288

F18-39

3288

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11500

Females

3140

F18-39

3140

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11761

Females

3383

F18-39

3383

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10806

Females

2985

F18-39

2985

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10407

Females

2849

F18-39

2849

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10528

Females

2954

F18-39

2954

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10240

Females

2817

F18-39

2817

Passing Analysis

Category:
Athletes Passed
1486
Passed By
1951
Net Change
-465
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11499
5K → 10K133615-482#11499#11981
10K → 15K135304-169#11981#12150
15K → 20K194140+54#12150#12096
20K → Half1546-31#12096#12127
Half → 25K99179-80#12127#12207
25K → 30K168298-130#12207#12337
30K → 20M88110-22#12337#12359
20M → 21M11956+63#12359#12296
21M → 35K5823+35#12296#12261
35K → 23M10980+29#12261#12232
23M → 24M9625+71#12232#12161
24M → 40K11828+90#12161#12071
40K → 25.2M4511+34#12071#12037
25.2M → Finish10936+73#12037#11964
TOTALS14861951-465
📊

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