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BOSTON MARATHON 2023

Natalie Yang

Bib: 10295•F

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:40
Rank: #8094
Start → 5K
7:18/mi
22:40 split
10K· 6.21 mi
44:43
Rank: #7747 (+347)
5K → 10K
7:06/mi
22:03 split
15K· 9.32 mi
1:07:13
Rank: #7836 (-89)
10K → 15K
7:15/mi
22:30 split
20K· 12.43 mi
1:30:30
Rank: #8124 (-288)
15K → 20K
7:30/mi
23:17 split
Half· 13.11 mi
1:35:35
Rank: #8198 (-74)
20K → Half
7:27/mi
5:05 split
25K· 15.53 mi
1:54:04
Rank: #8396 (-198)
Half → 25K
7:37/mi
18:29 split
30K· 18.64 mi
2:18:39
Rank: #8667 (-271)
25K → 30K
7:55/mi
24:35 split
20M
2:29:37
Rank: #8800 (-133)
30K → 20M
8:04/mi
10:58 split
21M
2:38:02
Rank: #8852 (-52)
20M → 21M
8:25/mi
8:25 split
35K· 21.75 mi
2:43:56
Rank: #8925 (-73)
21M → 35K
7:53/mi
5:54 split
23M
2:54:00
Rank: #8965 (-40)
35K → 23M
8:02/mi
10:04 split
24M
3:01:47
Rank: #8978 (-13)
23M → 24M
7:47/mi
7:47 split
40K· 24.85 mi
3:08:30
Rank: #8953 (+25)
24M → 40K
7:51/mi
6:43 split
25.2M
3:11:18
Rank: #8912 (+41)
40K → 25.2M
8:07/mi
2:48 split
Finish· 26.22 mi
3:18:34
Rank: #8762 (+150)
25.2M → Finish
7:08/mi
7:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:35
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:42:59
Pace7:51 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5922:407:1822:40
7:18
-
10K
6.21 mi11:11:0244:437:1222:03
7:06
-0:12
15K
9.32 mi11:33:321:07:137:1322:30
7:15
+0:09
20K
12.43 mi11:56:491:30:307:1723:17
7:30
+0:15
Half
13.11 mi12:01:541:35:357:175:05
7:27
-0:03
25K
15.53 mi12:20:231:54:047:2118:29
7:37
+0:10
30K
18.64 mi12:44:582:18:397:2624:35
7:55
+0:18
20M
20.00 mi12:55:562:29:377:2910:58
8:04
+0:09
21M
21.00 mi13:04:212:38:027:328:25
8:25
+0:21
35K
21.75 mi13:10:152:43:567:325:54
7:53
-0:32
23M
23.00 mi13:20:192:54:007:3410:04
8:02
+0:09
24M
24.00 mi13:28:063:01:477:347:47
7:47
-0:15
40K
24.85 mi13:34:493:08:307:356:43
7:51
+0:04
25.2M
25.20 mi13:37:373:11:187:352:48
8:07
+0:16
Finish
26.22 mi13:44:533:18:347:357:16
7:08
-0:59

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

7:06 /mi

Average Pace

7:35 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:07

65% of race

Time at Steady Pace

1:01:02

31% of race

Time at Slower Pace

8:25

4% of race

Average Pace: 7:34 /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 mi10:48:5922:407:1822:40
7:18
#8094
10K
6.21 mi11:11:0244:437:1222:03
7:06
#7747
15K
9.32 mi11:33:321:07:137:1322:30
7:15
#7836
20K
12.43 mi11:56:491:30:307:1723:17
7:30
#8124
Half
13.11 mi12:01:541:35:357:175:05
7:27
#8198
25K
15.53 mi12:20:231:54:047:2118:29
7:37
#8396
30K
18.64 mi12:44:582:18:397:2624:35
7:55
#8667
20M
20.00 mi12:55:562:29:377:2910:58
8:04
#8800
21M
21.00 mi13:04:212:38:027:328:25
8:25
#8852
35K
21.75 mi13:10:152:43:567:325:54
7:53
#8925
23M
23.00 mi13:20:192:54:007:3410:04
8:02
#8965
24M
24.00 mi13:28:063:01:477:347:47
7:47
#8978
40K
24.85 mi13:34:493:08:307:356:43
7:51
#8953
25.2M
25.20 mi13:37:373:11:187:352:48
8:07
#8912
Finish
26.22 mi13:44:533:18:347:357:16
7:08
#8762
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8094105010508109(Top 30%)1109(Top 10%)1109(Top 23%)
10K6.21 mi3.10 mi7747+347931+119931+1197438(Top 28%)875(Top 8%)875(Top 18%)
15K9.32 mi3.11 mi7836-89980-49980-498109(Top 30%)1109(Top 10%)1109(Top 23%)
20K12.43 mi3.11 mi8124-2881094-1141094-1149280(Top 35%)1592(Top 14%)1592(Top 33%)
Half13.11 mi0.68 mi8198-741122-281122-289861(Top 37%)1816(Top 16%)1816(Top 37%)
25K15.53 mi2.42 mi8396-1981221-991221-999736(Top 37%)1878(Top 16%)1878(Top 38%)
30K18.64 mi3.11 mi8667-2711363-1421363-14210232(Top 38%)2267(Top 20%)2267(Top 46%)
20M20.00 mi1.36 mi8800-1331426-631426-6310801(Top 41%)2629(Top 23%)2629(Top 54%)
21M21.00 mi1.00 mi8852-521462-361462-369971(Top 37%)2363(Top 21%)2363(Top 48%)
35K21.75 mi0.75 mi8925-731507-451507-4511302(Top 42%)3009(Top 26%)3009(Top 62%)
23M23.00 mi1.25 mi8965-401553-461553-4610049(Top 38%)2526(Top 22%)2526(Top 52%)
24M24.00 mi1.00 mi8978-131587-341587-349668(Top 36%)2417(Top 21%)2417(Top 49%)
40K24.85 mi0.85 mi8953+251594-71594-79058(Top 34%)2190(Top 19%)2190(Top 45%)
25.2M25.20 mi0.35 mi8912+411588+61588+67289(Top 27%)1533(Top 13%)1533(Top 31%)
Finish26.22 mi1.02 mi8762+1501552+361552+366026(Top 23%)1073(Top 9%)1073(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8109

Females

1109

F18-39

1109

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7438

Females

875

F18-39

875

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8109

Females

1109

F18-39

1109

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9280

Females

1592

F18-39

1592

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9861

Females

1816

F18-39

1816

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9736

Females

1878

F18-39

1878

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10232

Females

2267

F18-39

2267

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10801

Females

2629

F18-39

2629

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9971

Females

2363

F18-39

2363

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11302

Females

3009

F18-39

3009

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10049

Females

2526

F18-39

2526

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9668

Females

2417

F18-39

2417

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9058

Females

2190

F18-39

2190

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7289

Females

1533

F18-39

1533

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6026

Females

1073

F18-39

1073

Passing Analysis

Category:
Athletes Passed
1283
Passed By
1951
Net Change
-668
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8094
5K → 10K458111+347#8094#7747
10K → 15K96185-89#7747#7836
15K → 20K59347-288#7836#8124
20K → Half579-74#8124#8198
Half → 25K58256-198#8198#8396
25K → 30K89360-271#8396#8667
30K → 20M39172-133#8667#8800
20M → 21M62114-52#8800#8852
21M → 35K2497-73#8852#8925
35K → 23M63103-40#8925#8965
23M → 24M6982-13#8965#8978
24M → 40K5631+25#8978#8953
40K → 25.2M509+41#8953#8912
25.2M → Finish1555+150#8912#8762
TOTALS12831951-668
📊

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