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BOSTON MARATHON 2023

Susan Nettleton

Bib: 18982•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
Masters (Masters Women)
#0 / 6539
Top 19%
Division (F50-54)
#0 / 1207
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:19
Rank: #15066
Start → 5K
25:19 | 8:09/mi
10K· 6.21 mi
49:27
Rank: #14071 (+995)
5K → 10K
24:08 | 7:46/mi
15K· 9.32 mi
1:13:37
Rank: #13568 (+503)
10K → 15K
24:10 | 7:47/mi
20K· 12.43 mi
1:38:22
Rank: #13443 (+125)
15K → 20K
24:45 | 7:58/mi
Half· 13.11 mi
1:43:42
Rank: #13403 (+40)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:03:05
Rank: #13263 (+140)
Half → 25K
19:23 | 8:00/mi
30K· 18.64 mi
2:28:43
Rank: #13125 (+138)
25K → 30K
25:38 | 8:15/mi
20M
2:40:17
Rank: #13164 (-39)
30K → 20M
11:34 | 8:31/mi
21M
2:49:23
Rank: #13170 (-6)
20M → 21M
9:06 | 9:06/mi
35K· 21.75 mi
2:55:22
Rank: #13124 (+46)
21M → 35K
5:59 | 8:00/mi
23M
3:06:10
Rank: #13153 (-29)
35K → 23M
10:48 | 8:38/mi
24M
3:14:22
Rank: #13113 (+40)
23M → 24M
8:12 | 8:12/mi
40K· 24.85 mi
3:21:28
Rank: #13050 (+63)
24M → 40K
7:06 | 8:18/mi
25.2M
3:24:34
Rank: #13034 (+16)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:33:04
Rank: #13069 (-35)
25.2M → Finish
8:30 | 8:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:42
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:49:22
Pace8:21 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2325:198:0925:19
8:09
-
10K
6.21 mi11:46:3149:277:5724:08
7:46
-0:23
15K
9.32 mi12:10:411:13:377:5424:10
7:47
+0:01
20K
12.43 mi12:35:261:38:227:5524:45
7:58
+0:11
Half
13.11 mi12:40:461:43:427:555:20
7:49
-0:09
25K
15.53 mi13:00:092:03:057:5519:23
8:00
+0:11
30K
18.64 mi13:25:472:28:437:5925:38
8:15
+0:15
20M
20.00 mi13:37:212:40:178:0111:34
8:31
+0:16
21M
21.00 mi13:46:272:49:238:049:06
9:06
+0:35
35K
21.75 mi13:52:262:55:228:045:59
8:00
-1:06
23M
23.00 mi14:03:143:06:108:0610:48
8:38
+0:38
24M
24.00 mi14:11:263:14:228:068:12
8:12
-0:26
40K
24.85 mi14:18:323:21:288:067:06
8:18
+0:06
25.2M
25.20 mi14:21:383:24:348:073:06
8:59
+0:41
Finish
26.22 mi14:30:083:33:048:088:30
8:20
-0:39

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

7:46 /mi

Average Pace

8:08 /mi

Slowest Pace

9:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:04

89% of race

Time at Steady Pace

23:00

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:08 /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 mi11:22:2325:198:0925:19
8:09
#15066
10K
6.21 mi11:46:3149:277:5724:08
7:46
#14071
15K
9.32 mi12:10:411:13:377:5424:10
7:47
#13568
20K
12.43 mi12:35:261:38:227:5524:45
7:58
#13443
Half
13.11 mi12:40:461:43:427:555:20
7:49
#13403
25K
15.53 mi13:00:092:03:057:5519:23
8:00
#13263
30K
18.64 mi13:25:472:28:437:5925:38
8:15
#13125
20M
20.00 mi13:37:212:40:178:0111:34
8:31
#13164
21M
21.00 mi13:46:272:49:238:049:06
9:06
#13170
35K
21.75 mi13:52:262:55:228:045:59
8:00
#13124
23M
23.00 mi14:03:143:06:108:0610:48
8:38
#13153
24M
24.00 mi14:11:263:14:228:068:12
8:12
#13113
40K
24.85 mi14:18:323:21:288:067:06
8:18
#13050
25.2M
25.20 mi14:21:383:24:348:073:06
8:59
#13034
Finish
26.22 mi14:30:083:33:048:088:30
8:20
#13069
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi150664685468512550(Top 47%)3217(Top 28%)3217(Top 267%)
10K6.21 mi3.10 mi14071+9954083+6024083+60212866(Top 48%)3355(Top 29%)3355(Top 278%)
15K9.32 mi3.11 mi13568+5033799+2843799+28412550(Top 47%)3217(Top 28%)3217(Top 267%)
20K12.43 mi3.11 mi13443+1253747+523747+5213167(Top 49%)3637(Top 32%)3637(Top 301%)
Half13.11 mi0.68 mi13403+403726+213726+2112942(Top 49%)3471(Top 30%)3471(Top 288%)
25K15.53 mi2.42 mi13263+1403657+693657+6912712(Top 48%)3477(Top 30%)3477(Top 288%)
30K18.64 mi3.11 mi13125+1383626+313626+3112696(Top 48%)3583(Top 31%)3583(Top 297%)
20M20.00 mi1.36 mi13164-393661-353661-3513703(Top 51%)4236(Top 37%)4236(Top 351%)
21M21.00 mi1.00 mi13170-63677-163677-1613996(Top 53%)4479(Top 39%)4479(Top 371%)
35K21.75 mi0.75 mi13124+463667+103667+1012160(Top 46%)3523(Top 31%)3523(Top 292%)
23M23.00 mi1.25 mi13153-293705-383705-3813946(Top 52%)4579(Top 40%)4579(Top 379%)
24M24.00 mi1.00 mi13113+403717-123717-1212624(Top 47%)3924(Top 34%)3924(Top 325%)
40K24.85 mi0.85 mi13050+633705+123705+1212107(Top 45%)3732(Top 33%)3732(Top 309%)
25.2M25.20 mi0.35 mi13034+163705370512523(Top 47%)3982(Top 35%)3982(Top 330%)
Finish26.22 mi1.02 mi13069-353740-353740-3514362(Top 54%)4924(Top 43%)4924(Top 408%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12550

Females

3217

F50-54

3217

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12866

Females

3355

F50-54

3355

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12550

Females

3217

F50-54

3217

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13167

Females

3637

F50-54

3637

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12942

Females

3471

F50-54

3471

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12712

Females

3477

F50-54

3477

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12696

Females

3583

F50-54

3583

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13703

Females

4236

F50-54

4236

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

13996

Females

4479

F50-54

4479

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12160

Females

3523

F50-54

3523

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13946

Females

4579

F50-54

4579

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

12624

Females

3924

F50-54

3924

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12107

Females

3732

F50-54

3732

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12523

Females

3982

F50-54

3982

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14362

Females

4924

F50-54

4924

Passing Analysis

Category:
Athletes Passed
2942
Passed By
945
Net Change
+1997
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15066
5K → 10K105661+995#15066#14071
10K → 15K53734+503#14071#13568
15K → 20K246121+125#13568#13443
20K → Half5414+40#13443#13403
Half → 25K21171+140#13403#13263
25K → 30K250112+138#13263#13125
30K → 20M75114-39#13125#13164
20M → 21M9298-6#13164#13170
21M → 35K7933+46#13170#13124
35K → 23M78107-29#13124#13153
23M → 24M9555+40#13153#13113
24M → 40K8926+63#13113#13050
40K → 25.2M3014+16#13050#13034
25.2M → Finish5085-35#13034#13069
TOTALS2942945+1997
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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