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BOSTON MARATHON 2023

Jacqueline Sanders

Bib: 18276•F

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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
24:51
Rank: #14029
Start → 5K
24:51 | 8:00/mi
10K· 6.21 mi
49:55
Rank: #14631 (-602)
5K → 10K
25:04 | 8:04/mi
15K· 9.32 mi
1:15:40
Rank: #15247 (-616)
10K → 15K
25:45 | 8:17/mi
20K· 12.43 mi
1:42:25
Rank: #15867 (-620)
15K → 20K
26:45 | 8:37/mi
Half· 13.11 mi
1:47:54
Rank: #15796 (+71)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:09:03
Rank: #16085 (-289)
Half → 25K
21:09 | 8:43/mi
30K· 18.64 mi
2:38:31
Rank: #16805 (-720)
25K → 30K
29:28 | 9:29/mi
20M
2:54:06
Rank: #17753 (-948)
30K → 20M
15:35 | 11:28/mi
21M
3:06:00
Rank: #18320 (-567)
20M → 21M
11:54 | 11:54/mi
35K· 21.75 mi
3:14:48
Rank: #18793 (-473)
21M → 35K
8:48 | 11:46/mi
23M
3:30:15
Rank: #19488 (-695)
35K → 23M
15:27 | 12:20/mi
24M
3:42:32
Rank: #19966 (-478)
23M → 24M
12:17 | 12:17/mi
40K· 24.85 mi
3:55:20
Rank: #20536 (-570)
24M → 40K
12:48 | 14:58/mi
25.2M
3:59:45
Rank: #20612 (-76)
40K → 25.2M
4:25 | 12:48/mi
Finish· 26.22 mi
4:11:17
Rank: #20800 (-188)
25.2M → Finish
11:32 | 11:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:54
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time2:23:23
Pace10:56 /mi
📊Positive Split: 32.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4224:518:0024:51
8:00
-
10K
6.21 mi11:44:4649:558:0225:04
8:04
+0:04
15K
9.32 mi12:10:311:15:408:0725:45
8:17
+0:13
20K
12.43 mi12:37:161:42:258:1426:45
8:37
+0:20
Half
13.11 mi12:42:451:47:548:145:29
8:02
-0:35
25K
15.53 mi13:03:542:09:038:1821:09
8:43
+0:41
30K
18.64 mi13:33:222:38:318:3029:28
9:29
+0:46
20M
20.00 mi13:48:572:54:068:4215:35
11:28
+1:59
21M
21.00 mi14:00:513:06:008:5111:54
11:54
+0:26
35K
21.75 mi14:09:393:14:488:578:48
11:46
-0:08
23M
23.00 mi14:25:063:30:159:0815:27
12:20
+0:34
24M
24.00 mi14:37:233:42:329:1612:17
12:17
-0:03
40K
24.85 mi14:50:113:55:209:2812:48
14:58
+2:41
25.2M
25.20 mi14:54:363:59:459:314:25
12:48
-2:10
Finish
26.22 mi15:06:084:11:179:3511:32
11:19
-1:29

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

8:00 /mi

Average Pace

9:35 /mi

Slowest Pace

14:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:31

63% of race

Time at Steady Pace

1:15:33

30% of race

Time at Slower Pace

17:13

7% of race

Average Pace: 9:35 /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 mi11:19:4224:518:0024:51
8:00
#14029
10K
6.21 mi11:44:4649:558:0225:04
8:04
#14631
15K
9.32 mi12:10:311:15:408:0725:45
8:17
#15247
20K
12.43 mi12:37:161:42:258:1426:45
8:37
#15867
Half
13.11 mi12:42:451:47:548:145:29
8:02
#15796
25K
15.53 mi13:03:542:09:038:1821:09
8:43
#16085
30K
18.64 mi13:33:222:38:318:3029:28
9:29
#16805
20M
20.00 mi13:48:572:54:068:4215:35
11:28
#17753
21M
21.00 mi14:00:513:06:008:5111:54
11:54
#18320
35K
21.75 mi14:09:393:14:488:578:48
11:46
#18793
23M
23.00 mi14:25:063:30:159:0815:27
12:20
#19488
24M
24.00 mi14:37:233:42:329:1612:17
12:17
#19966
40K
24.85 mi14:50:113:55:209:2812:48
14:58
#20536
25.2M
25.20 mi14:54:363:59:459:314:25
12:48
#20612
Finish
26.22 mi15:06:084:11:179:3511:32
11:19
#20800
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi140294055405516485(Top 62%)5589(Top 49%)5589(Top 114%)
10K6.21 mi3.10 mi14631-6024427-3724427-37215313(Top 58%)4862(Top 43%)4862(Top 100%)
15K9.32 mi3.11 mi15247-6164819-3924819-39216485(Top 62%)5589(Top 49%)5589(Top 114%)
20K12.43 mi3.11 mi15867-6205225-4065225-40617578(Top 66%)6279(Top 55%)6279(Top 129%)
Half13.11 mi0.68 mi15796+715183+425183+4214768(Top 55%)4564(Top 40%)4564(Top 93%)
25K15.53 mi2.42 mi16085-2895387-2045387-20417516(Top 66%)6297(Top 55%)6297(Top 129%)
30K18.64 mi3.11 mi16805-7205849-4625849-46219386(Top 73%)7410(Top 65%)7410(Top 152%)
20M20.00 mi1.36 mi17753-9486430-5816430-58123490(Top 88%)9785(Top 86%)9785(Top 200%)
21M21.00 mi1.00 mi18320-5676784-3546784-35422611(Top 85%)9345(Top 82%)9345(Top 191%)
35K21.75 mi0.75 mi18793-4737053-2697053-26924445(Top 92%)10370(Top 91%)10370(Top 212%)
23M23.00 mi1.25 mi19488-6957461-4087461-40824426(Top 92%)10353(Top 91%)10353(Top 212%)
24M24.00 mi1.00 mi19966-4787753-2927753-29224846(Top 93%)10608(Top 93%)10608(Top 217%)
40K24.85 mi0.85 mi20536-5708095-3428095-34226145(Top 98%)11242(Top 98%)11242(Top 230%)
25.2M25.20 mi0.35 mi20612-768142-478142-4723764(Top 89%)10079(Top 88%)10079(Top 206%)
Finish26.22 mi1.02 mi20800-1888257-1158257-11524462(Top 92%)10389(Top 91%)10389(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16485

Females

5589

F18-39

5589

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

15313

Females

4862

F18-39

4862

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16485

Females

5589

F18-39

5589

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17578

Females

6279

F18-39

6279

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14768

Females

4564

F18-39

4564

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17516

Females

6297

F18-39

6297

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19386

Females

7410

F18-39

7410

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23490

Females

9785

F18-39

9785

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22611

Females

9345

F18-39

9345

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24445

Females

10370

F18-39

10370

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24426

Females

10353

F18-39

10353

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

24846

Females

10608

F18-39

10608

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

26145

Females

11242

F18-39

11242

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23764

Females

10079

F18-39

10079

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24462

Females

10389

F18-39

10389

Passing Analysis

Category:
Athletes Passed
419
Passed By
7190
Net Change
-6771
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14029
5K → 10K89691-602#14029#14631
10K → 15K40656-616#14631#15247
15K → 20K51671-620#15247#15867
20K → Half776+71#15867#15796
Half → 25K74363-289#15796#16085
25K → 30K47767-720#16085#16805
30K → 20M5953-948#16805#17753
20M → 21M9576-567#17753#18320
21M → 35K3476-473#18320#18793
35K → 23M6701-695#18793#19488
23M → 24M3481-478#19488#19966
24M → 40K1571-570#19966#20536
40K → 25.2M581-76#20536#20612
25.2M → Finish9197-188#20612#20800
TOTALS4197190-6771
📊

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