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BOSTON MARATHON 2023

Sarah Dellett

Bib: 10746•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:28
Rank: #7694
Start → 5K
22:28 | 7:14/mi
10K· 6.21 mi
45:03
Rank: #8117 (-423)
5K → 10K
22:35 | 7:16/mi
15K· 9.32 mi
1:07:34
Rank: #8106 (+11)
10K → 15K
22:31 | 7:15/mi
20K· 12.43 mi
1:30:15
Rank: #7990 (+116)
15K → 20K
22:41 | 7:18/mi
Half· 13.11 mi
1:35:09
Rank: #7967 (+23)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:52:48
Rank: #7797 (+170)
Half → 25K
17:39 | 7:17/mi
30K· 18.64 mi
2:15:44
Rank: #7502 (+295)
25K → 30K
22:56 | 7:23/mi
20M
2:25:45
Rank: #7362 (+140)
30K → 20M
10:01 | 7:22/mi
21M
2:33:31
Rank: #7264 (+98)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:38:40
Rank: #7143 (+121)
21M → 35K
5:09 | 6:53/mi
23M
2:47:48
Rank: #6967 (+176)
35K → 23M
9:08 | 7:18/mi
24M
2:55:01
Rank: #6890 (+77)
23M → 24M
7:13 | 7:13/mi
40K· 24.85 mi
3:01:14
Rank: #6794 (+96)
24M → 40K
6:13 | 7:16/mi
25.2M
3:03:54
Rank: #6749 (+45)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:11:00
Rank: #6644 (+105)
25.2M → Finish
7:06 | 6:58/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:35:09
Pace7:15 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:51
Pace7:19 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4722:287:1422:28
7:14
-
10K
6.21 mi11:11:2245:037:1522:35
7:16
+0:02
15K
9.32 mi11:33:531:07:347:1522:31
7:15
-0:01
20K
12.43 mi11:56:341:30:157:1622:41
7:18
+0:03
Half
13.11 mi12:01:281:35:097:154:54
7:11
-0:07
25K
15.53 mi12:19:071:52:487:1617:39
7:17
+0:06
30K
18.64 mi12:42:032:15:447:1722:56
7:23
+0:06
20M
20.00 mi12:52:042:25:457:1710:01
7:22
-0:01
21M
21.00 mi12:59:502:33:317:197:46
7:46
+0:24
35K
21.75 mi13:04:592:38:407:185:09
6:53
-0:53
23M
23.00 mi13:14:072:47:487:189:08
7:18
+0:25
24M
24.00 mi13:21:202:55:017:187:13
7:13
-0:05
40K
24.85 mi13:27:333:01:147:186:13
7:16
+0:03
25.2M
25.20 mi13:30:133:03:547:182:40
7:44
+0:28
Finish
26.22 mi13:37:193:11:007:177:06
6:58
-0:46

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

6:53 /mi

Average Pace

7:17 /mi

Slowest Pace

7:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:34

95% of race

Time at Steady Pace

10:26

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:17 /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 mi10:48:4722:287:1422:28
7:14
#7694
10K
6.21 mi11:11:2245:037:1522:35
7:16
#8117
15K
9.32 mi11:33:531:07:347:1522:31
7:15
#8106
20K
12.43 mi11:56:341:30:157:1622:41
7:18
#7990
Half
13.11 mi12:01:281:35:097:154:54
7:11
#7967
25K
15.53 mi12:19:071:52:487:1617:39
7:17
#7797
30K
18.64 mi12:42:032:15:447:1722:56
7:23
#7502
20M
20.00 mi12:52:042:25:457:1710:01
7:22
#7362
21M
21.00 mi12:59:502:33:317:197:46
7:46
#7264
35K
21.75 mi13:04:592:38:407:185:09
6:53
#7143
23M
23.00 mi13:14:072:47:487:189:08
7:18
#6967
24M
24.00 mi13:21:202:55:017:187:13
7:13
#6890
40K
24.85 mi13:27:333:01:147:186:13
7:16
#6794
25.2M
25.20 mi13:30:133:03:547:182:40
7:44
#6749
Finish
26.22 mi13:37:193:11:007:177:06
6:58
#6644
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76949099098140(Top 31%)1116(Top 10%)1116(Top 23%)
10K6.21 mi3.10 mi8117-4231074-1651074-1658639(Top 32%)1272(Top 11%)1272(Top 26%)
15K9.32 mi3.11 mi8106+111075-11075-18140(Top 31%)1116(Top 10%)1116(Top 23%)
20K12.43 mi3.11 mi7990+1161051+241051+247798(Top 29%)1029(Top 9%)1029(Top 21%)
Half13.11 mi0.68 mi7967+231047+41047+47776(Top 29%)996(Top 9%)996(Top 20%)
25K15.53 mi2.42 mi7797+1701002+451002+457170(Top 27%)894(Top 8%)894(Top 18%)
30K18.64 mi3.11 mi7502+295939+63939+636512(Top 24%)764(Top 7%)764(Top 16%)
20M20.00 mi1.36 mi7362+140900+39900+396056(Top 23%)717(Top 6%)717(Top 15%)
21M21.00 mi1.00 mi7264+98884+16884+166027(Top 23%)811(Top 7%)811(Top 17%)
35K21.75 mi0.75 mi7143+121851+33851+334737(Top 18%)454(Top 4%)454(Top 9%)
23M23.00 mi1.25 mi6967+176835+16835+165311(Top 20%)619(Top 5%)619(Top 13%)
24M24.00 mi1.00 mi6890+77826+9826+95860(Top 22%)840(Top 7%)840(Top 17%)
40K24.85 mi0.85 mi6794+96816+10816+105291(Top 20%)750(Top 7%)750(Top 15%)
25.2M25.20 mi0.35 mi6749+45808+8808+85111(Top 19%)756(Top 7%)756(Top 15%)
Finish26.22 mi1.02 mi6644+105789+19789+195049(Top 19%)747(Top 7%)747(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8140

Females

1116

F18-39

1116

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8639

Females

1272

F18-39

1272

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8140

Females

1116

F18-39

1116

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7798

Females

1029

F18-39

1029

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7776

Females

996

F18-39

996

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7170

Females

894

F18-39

894

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6512

Females

764

F18-39

764

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6056

Females

717

F18-39

717

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6027

Females

811

F18-39

811

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4737

Females

454

F18-39

454

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5311

Females

619

F18-39

619

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5860

Females

840

F18-39

840

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5291

Females

750

F18-39

750

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5111

Females

756

F18-39

756

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5049

Females

747

F18-39

747

Passing Analysis

Category:
Athletes Passed
1869
Passed By
819
Net Change
+1050
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7694
5K → 10K79502-423#7694#8117
10K → 15K134123+11#8117#8106
15K → 20K17761+116#8106#7990
20K → Half318+23#7990#7967
Half → 25K19121+170#7967#7797
25K → 30K31621+295#7797#7502
30K → 20M15212+140#7502#7362
20M → 21M11416+98#7362#7264
21M → 35K1232+121#7264#7143
35K → 23M18711+176#7143#6967
23M → 24M9316+77#6967#6890
24M → 40K1037+96#6890#6794
40K → 25.2M516+45#6794#6749
25.2M → Finish11813+105#6749#6644
TOTALS1869819+1050
📊

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