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BOSTON MARATHON 2023

Susanna Fleming

Bib: 14231•F

CA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:28
Rank: #10119
Start → 5K
23:28 | 7:33/mi
10K· 6.21 mi
47:18
Rank: #11031 (-912)
5K → 10K
23:50 | 7:40/mi
15K· 9.32 mi
1:11:15
Rank: #11321 (-290)
10K → 15K
23:57 | 7:43/mi
20K· 12.43 mi
1:35:36
Rank: #11477 (-156)
15K → 20K
24:21 | 7:50/mi
Half· 13.11 mi
1:41:01
Rank: #11594 (-117)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:01:33
Rank: #12402 (-808)
Half → 25K
20:32 | 8:28/mi
30K· 18.64 mi
2:30:45
Rank: #14002 (-1600)
25K → 30K
29:12 | 9:24/mi
20M
2:44:29
Rank: #14733 (-731)
30K → 20M
13:44 | 10:06/mi
21M
2:55:30
Rank: #15254 (-521)
20M → 21M
11:01 | 11:01/mi
35K· 21.75 mi
3:03:22
Rank: #15693 (-439)
21M → 35K
7:52 | 10:31/mi
23M
3:17:37
Rank: #16539 (-846)
35K → 23M
14:15 | 11:23/mi
24M
3:29:02
Rank: #17144 (-605)
23M → 24M
11:25 | 11:25/mi
40K· 24.85 mi
3:38:54
Rank: #17664 (-520)
24M → 40K
9:52 | 11:32/mi
25.2M
3:42:35
Rank: #17718 (-54)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
3:52:13
Rank: #17811 (-93)
25.2M → Finish
9:38 | 9:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:01
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time2:11:12
Pace10:01 /mi
📊Positive Split: 29.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0123:287:3323:28
7:33
-
10K
6.21 mi11:37:5147:187:3723:50
7:40
+0:07
15K
9.32 mi12:01:481:11:157:3923:57
7:43
+0:03
20K
12.43 mi12:26:091:35:367:4224:21
7:50
+0:07
Half
13.11 mi12:31:341:41:017:425:25
7:56
+0:06
25K
15.53 mi12:52:062:01:337:4920:32
8:28
+0:32
30K
18.64 mi13:21:182:30:458:0529:12
9:24
+0:56
20M
20.00 mi13:35:022:44:298:1313:44
10:06
+0:42
21M
21.00 mi13:46:032:55:308:2111:01
11:01
+0:55
35K
21.75 mi13:53:553:03:228:267:52
10:31
-0:30
23M
23.00 mi14:08:103:17:378:3614:15
11:23
+0:52
24M
24.00 mi14:19:353:29:028:4311:25
11:25
+0:02
40K
24.85 mi14:29:273:38:548:489:52
11:32
+0:07
25.2M
25.20 mi14:33:083:42:358:503:41
10:41
-0:51
Finish
26.22 mi14:42:463:52:138:529:38
9:27
-1:14

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

7:33 /mi

Average Pace

8:52 /mi

Slowest Pace

11:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:33

52% of race

Time at Steady Pace

52:34

23% of race

Time at Slower Pace

58:06

25% of race

Average Pace: 8:51 /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 mi11:14:0123:287:3323:28
7:33
#10119
10K
6.21 mi11:37:5147:187:3723:50
7:40
#11031
15K
9.32 mi12:01:481:11:157:3923:57
7:43
#11321
20K
12.43 mi12:26:091:35:367:4224:21
7:50
#11477
Half
13.11 mi12:31:341:41:017:425:25
7:56
#11594
25K
15.53 mi12:52:062:01:337:4920:32
8:28
#12402
30K
18.64 mi13:21:182:30:458:0529:12
9:24
#14002
20M
20.00 mi13:35:022:44:298:1313:44
10:06
#14733
21M
21.00 mi13:46:032:55:308:2111:01
11:01
#15254
35K
21.75 mi13:53:553:03:228:267:52
10:31
#15693
23M
23.00 mi14:08:103:17:378:3614:15
11:23
#16539
24M
24.00 mi14:19:353:29:028:4311:25
11:25
#17144
40K
24.85 mi14:29:273:38:548:489:52
11:32
#17664
25.2M
25.20 mi14:33:083:42:358:503:41
10:41
#17718
Finish
26.22 mi14:42:463:52:138:529:38
9:27
#17811
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi101191923192311938(Top 45%)2872(Top 25%)2872(Top 59%)
10K6.21 mi3.10 mi11031-9122348-4252348-42512014(Top 45%)2885(Top 25%)2885(Top 59%)
15K9.32 mi3.11 mi11321-2902503-1552503-15511938(Top 45%)2872(Top 25%)2872(Top 59%)
20K12.43 mi3.11 mi11477-1562605-1022605-10212071(Top 45%)3014(Top 26%)3014(Top 62%)
Half13.11 mi0.68 mi11594-1172683-782683-7813988(Top 53%)4097(Top 36%)4097(Top 84%)
25K15.53 mi2.42 mi12402-8083171-4883171-48816031(Top 60%)5465(Top 48%)5465(Top 112%)
30K18.64 mi3.11 mi14002-16004146-9754146-97519034(Top 71%)7214(Top 63%)7214(Top 148%)
20M20.00 mi1.36 mi14733-7314599-4534599-45320760(Top 78%)8280(Top 72%)8280(Top 170%)
21M21.00 mi1.00 mi15254-5214966-3674966-36720869(Top 78%)8386(Top 73%)8386(Top 172%)
35K21.75 mi0.75 mi15693-4395255-2895255-28922424(Top 84%)9278(Top 81%)9278(Top 190%)
23M23.00 mi1.25 mi16539-8465751-4965751-49623034(Top 87%)9606(Top 84%)9606(Top 197%)
24M24.00 mi1.00 mi17144-6056123-3726123-37223759(Top 89%)10033(Top 88%)10033(Top 205%)
40K24.85 mi0.85 mi17664-5206440-3176440-31723272(Top 87%)9807(Top 86%)9807(Top 201%)
25.2M25.20 mi0.35 mi17718-546473-336473-3319662(Top 74%)7870(Top 69%)7870(Top 161%)
Finish26.22 mi1.02 mi17811-936537-646537-6419961(Top 75%)7974(Top 70%)7974(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11938

Females

2872

F18-39

2872

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12014

Females

2885

F18-39

2885

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11938

Females

2872

F18-39

2872

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

12071

Females

3014

F18-39

3014

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

13988

Females

4097

F18-39

4097

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

16031

Females

5465

F18-39

5465

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

19034

Females

7214

F18-39

7214

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

20760

Females

8280

F18-39

8280

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20869

Females

8386

F18-39

8386

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22424

Females

9278

F18-39

9278

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23034

Females

9606

F18-39

9606

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23759

Females

10033

F18-39

10033

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23272

Females

9807

F18-39

9807

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19662

Females

7870

F18-39

7870

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19961

Females

7974

F18-39

7974

Passing Analysis

Category:
Athletes Passed
384
Passed By
8076
Net Change
-7692
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10119
5K → 10K58970-912#10119#11031
10K → 15K97387-290#11031#11321
15K → 20K115271-156#11321#11477
20K → Half10127-117#11477#11594
Half → 25K18826-808#11594#12402
25K → 30K121612-1600#12402#14002
30K → 20M6737-731#14002#14733
20M → 21M16537-521#14733#15254
21M → 35K2441-439#15254#15693
35K → 23M5851-846#15693#16539
23M → 24M5610-605#16539#17144
24M → 40K5525-520#17144#17664
40K → 25.2M1165-54#17664#17718
25.2M → Finish24117-93#17718#17811
TOTALS3848076-7692
📊

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