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BOSTON MARATHON 2023

Susanna O'Shaughnessy

Bib: 19455•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Masters (Masters Women)
#0 / 6539
Top 14%
Division (F40-44)
#0 / 1878
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:42
Rank: #13649
Start → 5K
24:42 | 7:57/mi
10K· 6.21 mi
48:51
Rank: #13289 (+360)
5K → 10K
24:09 | 7:46/mi
15K· 9.32 mi
1:12:56
Rank: #12931 (+358)
10K → 15K
24:05 | 7:45/mi
20K· 12.43 mi
1:37:28
Rank: #12789 (+142)
15K → 20K
24:32 | 7:54/mi
Half· 13.11 mi
1:42:44
Rank: #12746 (+43)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
2:01:40
Rank: #12471 (+275)
Half → 25K
18:56 | 7:49/mi
30K· 18.64 mi
2:26:41
Rank: #12203 (+268)
25K → 30K
25:01 | 8:03/mi
20M
2:37:48
Rank: #12124 (+79)
30K → 20M
11:07 | 8:11/mi
21M
2:46:19
Rank: #12028 (+96)
20M → 21M
8:31 | 8:31/mi
35K· 21.75 mi
2:52:08
Rank: #11962 (+66)
21M → 35K
5:49 | 7:46/mi
23M
3:02:26
Rank: #11907 (+55)
35K → 23M
10:18 | 8:14/mi
24M
3:10:28
Rank: #11886 (+21)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:17:30
Rank: #11855 (+31)
24M → 40K
7:02 | 8:14/mi
25.2M
3:20:35
Rank: #11861 (-6)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:28:57
Rank: #11939 (-78)
25.2M → Finish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:44
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:46:13
Pace8:06 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1724:427:5724:42
7:57
-
10K
6.21 mi11:44:2648:517:5224:09
7:46
-0:11
15K
9.32 mi12:08:311:12:567:4924:05
7:45
-0:01
20K
12.43 mi12:33:031:37:287:5124:32
7:54
+0:09
Half
13.11 mi12:38:191:42:447:505:16
7:43
-0:11
25K
15.53 mi12:57:152:01:407:5018:56
7:49
+0:06
30K
18.64 mi13:22:162:26:417:5225:01
8:03
+0:14
20M
20.00 mi13:33:232:37:487:5311:07
8:11
+0:08
21M
21.00 mi13:41:542:46:197:558:31
8:31
+0:20
35K
21.75 mi13:47:432:52:087:555:49
7:46
-0:45
23M
23.00 mi13:58:013:02:267:5610:18
8:14
+0:28
24M
24.00 mi14:06:033:10:287:568:02
8:02
-0:12
40K
24.85 mi14:13:053:17:307:577:02
8:14
+0:12
25.2M
25.20 mi14:16:103:20:357:583:05
8:56
+0:42
Finish
26.22 mi14:24:323:28:577:598:22
8:13
-0:43

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

7:43 /mi

Average Pace

7:59 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:21

94% of race

Time at Steady Pace

11:36

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 mi11:20:1724:427:5724:42
7:57
#13649
10K
6.21 mi11:44:2648:517:5224:09
7:46
#13289
15K
9.32 mi12:08:311:12:567:4924:05
7:45
#12931
20K
12.43 mi12:33:031:37:287:5124:32
7:54
#12789
Half
13.11 mi12:38:191:42:447:505:16
7:43
#12746
25K
15.53 mi12:57:152:01:407:5018:56
7:49
#12471
30K
18.64 mi13:22:162:26:417:5225:01
8:03
#12203
20M
20.00 mi13:33:232:37:487:5311:07
8:11
#12124
21M
21.00 mi13:41:542:46:197:558:31
8:31
#12028
35K
21.75 mi13:47:432:52:087:555:49
7:46
#11962
23M
23.00 mi13:58:013:02:267:5610:18
8:14
#11907
24M
24.00 mi14:06:033:10:287:568:02
8:02
#11886
40K
24.85 mi14:13:053:17:307:577:02
8:14
#11855
25.2M
25.20 mi14:16:103:20:357:583:05
8:56
#11861
Finish
26.22 mi14:24:323:28:577:598:22
8:13
#11939
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi136493812381212329(Top 46%)3096(Top 27%)3096(Top 165%)
10K6.21 mi3.10 mi13289+3603620+1923620+19212900(Top 48%)3373(Top 30%)3373(Top 180%)
15K9.32 mi3.11 mi12931+3583416+2043416+20412329(Top 46%)3096(Top 27%)3096(Top 165%)
20K12.43 mi3.11 mi12789+1423357+593357+5912595(Top 47%)3312(Top 29%)3312(Top 176%)
Half13.11 mi0.68 mi12746+433334+233334+2312103(Top 45%)2981(Top 26%)2981(Top 159%)
25K15.53 mi2.42 mi12471+2753213+1213213+12111183(Top 42%)2585(Top 23%)2585(Top 138%)
30K18.64 mi3.11 mi12203+2683097+1163097+11611330(Top 43%)2805(Top 25%)2805(Top 149%)
20M20.00 mi1.36 mi12124+793067+303067+3011589(Top 44%)3051(Top 27%)3051(Top 162%)
21M21.00 mi1.00 mi12028+963025+423025+4210613(Top 40%)2686(Top 24%)2686(Top 143%)
35K21.75 mi0.75 mi11962+663000+253000+2510536(Top 40%)2636(Top 23%)2636(Top 140%)
23M23.00 mi1.25 mi11907+553000300011390(Top 43%)3205(Top 28%)3205(Top 171%)
24M24.00 mi1.00 mi11886+213006-63006-611494(Top 43%)3325(Top 29%)3325(Top 177%)
40K24.85 mi0.85 mi11855+313010-43010-411564(Top 43%)3442(Top 30%)3442(Top 183%)
25.2M25.20 mi0.35 mi11861-63024-143024-1412212(Top 46%)3825(Top 33%)3825(Top 204%)
Finish26.22 mi1.02 mi11939-783087-633087-6313515(Top 51%)4470(Top 39%)4470(Top 238%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12329

Females

3096

F40-44

3096

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12900

Females

3373

F40-44

3373

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12329

Females

3096

F40-44

3096

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12595

Females

3312

F40-44

3312

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12103

Females

2981

F40-44

2981

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11183

Females

2585

F40-44

2585

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11330

Females

2805

F40-44

2805

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11589

Females

3051

F40-44

3051

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10613

Females

2686

F40-44

2686

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10536

Females

2636

F40-44

2636

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

11390

Females

3205

F40-44

3205

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11494

Females

3325

F40-44

3325

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11564

Females

3442

F40-44

3442

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12212

Females

3825

F40-44

3825

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13515

Females

4470

F40-44

4470

Passing Analysis

Category:
Athletes Passed
2597
Passed By
887
Net Change
+1710
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13649
5K → 10K516156+360#13649#13289
10K → 15K41961+358#13289#12931
15K → 20K265123+142#12931#12789
20K → Half5815+43#12789#12746
Half → 25K30530+275#12746#12471
25K → 30K34072+268#12471#12203
30K → 20M13960+79#12203#12124
20M → 21M13741+96#12124#12028
21M → 35K7812+66#12028#11962
35K → 23M11459+55#11962#11907
23M → 24M7655+21#11907#11886
24M → 40K8049+31#11886#11855
40K → 25.2M2430-6#11855#11861
25.2M → Finish46124-78#11861#11939
TOTALS2597887+1710
📊

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