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BOSTON MARATHON 2023

Jennifer Delorey

Bib: 14061•F

NS

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
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
24:00
Rank: #11697
Start → 5K
7:43/mi
24:00 split
10K· 6.21 mi
49:20
Rank: #13909 (-2212)
5K → 10K
8:09/mi
25:20 split
15K· 9.32 mi
1:15:01
Rank: #14733 (-824)
10K → 15K
8:16/mi
25:41 split
20K· 12.43 mi
1:40:47
Rank: #14939 (-206)
15K → 20K
8:18/mi
25:46 split
Half· 13.11 mi
1:46:16
Rank: #14923 (+16)
20K → Half
8:02/mi
5:29 split
25K· 15.53 mi
2:06:43
Rank: #15048 (-125)
Half → 25K
8:26/mi
20:27 split
30K· 18.64 mi
2:32:41
Rank: #14736 (+312)
25K → 30K
8:21/mi
25:58 split
20M
2:43:50
Rank: #14488 (+248)
30K → 20M
8:12/mi
11:09 split
21M
2:52:37
Rank: #14355 (+133)
20M → 21M
8:47/mi
8:47 split
35K· 21.75 mi
2:58:20
Rank: #14171 (+184)
21M → 35K
7:38/mi
5:43 split
23M
3:08:05
Rank: #13787 (+384)
35K → 23M
7:47/mi
9:45 split
24M
3:15:39
Rank: #13518 (+269)
23M → 24M
7:34/mi
7:34 split
40K· 24.85 mi
3:22:17
Rank: #13290 (+228)
24M → 40K
7:45/mi
6:38 split
25.2M
3:25:10
Rank: #13191 (+99)
40K → 25.2M
8:22/mi
2:53 split
Finish· 26.22 mi
3:33:00
Rank: #13048 (+143)
25.2M → Finish
7:41/mi
7:50 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:46:16
Pace8:06 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:46:44
Pace8:09 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1924:007:4324:00
7:43
-
10K
6.21 mi11:18:3949:207:5625:20
8:09
+0:26
15K
9.32 mi11:44:201:15:018:0325:41
8:16
+0:07
20K
12.43 mi12:10:061:40:478:0725:46
8:18
+0:02
Half
13.11 mi12:15:351:46:168:065:29
8:02
-0:16
25K
15.53 mi12:36:022:06:438:0920:27
8:26
+0:24
30K
18.64 mi13:02:002:32:418:1125:58
8:21
-0:05
20M
20.00 mi13:13:092:43:508:1111:09
8:12
-0:09
21M
21.00 mi13:21:562:52:378:138:47
8:47
+0:35
35K
21.75 mi13:27:392:58:208:125:43
7:38
-1:09
23M
23.00 mi13:37:243:08:058:119:45
7:47
+0:09
24M
24.00 mi13:44:583:15:398:097:34
7:34
-0:13
40K
24.85 mi13:51:363:22:178:086:38
7:45
+0:11
25.2M
25.20 mi13:54:293:25:108:082:53
8:22
+0:37
Finish
26.22 mi14:02:193:33:008:087:50
7:41
-0:41

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

7:34 /mi

Average Pace

8:08 /mi

Slowest Pace

8:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:55

73% of race

Time at Steady Pace

58:05

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi10:53:1924:007:4324:00
7:43
#11697
10K
6.21 mi11:18:3949:207:5625:20
8:09
#13909
15K
9.32 mi11:44:201:15:018:0325:41
8:16
#14733
20K
12.43 mi12:10:061:40:478:0725:46
8:18
#14939
Half
13.11 mi12:15:351:46:168:065:29
8:02
#14923
25K
15.53 mi12:36:022:06:438:0920:27
8:26
#15048
30K
18.64 mi13:02:002:32:418:1125:58
8:21
#14736
20M
20.00 mi13:13:092:43:508:1111:09
8:12
#14488
21M
21.00 mi13:21:562:52:378:138:47
8:47
#14355
35K
21.75 mi13:27:392:58:208:125:43
7:38
#14171
23M
23.00 mi13:37:243:08:058:119:45
7:47
#13787
24M
24.00 mi13:44:583:15:398:097:34
7:34
#13518
40K
24.85 mi13:51:363:22:178:086:38
7:45
#13290
25.2M
25.20 mi13:54:293:25:108:082:53
8:22
#13191
Finish
26.22 mi14:02:193:33:008:087:50
7:41
#13048
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi116972695269516324(Top 61%)5488(Top 48%)5488(Top 112%)
10K6.21 mi3.10 mi13909-22123986-12913986-129115932(Top 60%)5229(Top 46%)5229(Top 107%)
15K9.32 mi3.11 mi14733-8244495-5094495-50916324(Top 61%)5488(Top 48%)5488(Top 112%)
20K12.43 mi3.11 mi14939-2064644-1494644-14915572(Top 58%)5075(Top 44%)5075(Top 104%)
Half13.11 mi0.68 mi14923+164636+84636+814679(Top 55%)4475(Top 39%)4475(Top 92%)
25K15.53 mi2.42 mi15048-1254739-1034739-10315797(Top 59%)5307(Top 46%)5307(Top 109%)
30K18.64 mi3.11 mi14736+3124576+1634576+16313409(Top 50%)3977(Top 35%)3977(Top 81%)
20M20.00 mi1.36 mi14488+2484470+1064470+10611762(Top 44%)3147(Top 28%)3147(Top 64%)
21M21.00 mi1.00 mi14355+1334412+584412+5812184(Top 46%)3505(Top 31%)3505(Top 72%)
35K21.75 mi0.75 mi14171+1844311+1014311+1019626(Top 36%)2211(Top 19%)2211(Top 45%)
23M23.00 mi1.25 mi13787+3844091+2204091+2208366(Top 31%)1749(Top 15%)1749(Top 36%)
24M24.00 mi1.00 mi13518+2693951+1403951+1408217(Top 31%)1782(Top 16%)1782(Top 36%)
40K24.85 mi0.85 mi13290+2283833+1183833+1188439(Top 32%)1929(Top 17%)1929(Top 39%)
25.2M25.20 mi0.35 mi13191+993792+413792+418785(Top 33%)2188(Top 19%)2188(Top 45%)
Finish26.22 mi1.02 mi13048+1433726+663726+669932(Top 37%)2679(Top 23%)2679(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16324

Females

5488

F18-39

5488

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15932

Females

5229

F18-39

5229

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16324

Females

5488

F18-39

5488

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15572

Females

5075

F18-39

5075

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14679

Females

4475

F18-39

4475

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15797

Females

5307

F18-39

5307

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13409

Females

3977

F18-39

3977

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11762

Females

3147

F18-39

3147

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12184

Females

3505

F18-39

3505

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9626

Females

2211

F18-39

2211

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8366

Females

1749

F18-39

1749

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8217

Females

1782

F18-39

1782

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8439

Females

1929

F18-39

1929

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8785

Females

2188

F18-39

2188

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9932

Females

2679

F18-39

2679

Passing Analysis

Category:
Athletes Passed
2398
Passed By
3749
Net Change
-1351
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11697
5K → 10K132225-2212#11697#13909
10K → 15K38862-824#13909#14733
15K → 20K119325-206#14733#14939
20K → Half4125+16#14939#14923
Half → 25K99224-125#14923#15048
25K → 30K35745+312#15048#14736
30K → 20M2546+248#14736#14488
20M → 21M15421+133#14488#14355
21M → 35K1851+184#14355#14171
35K → 23M3840+384#14171#13787
23M → 24M2712+269#13787#13518
24M → 40K2302+228#13518#13290
40K → 25.2M1001+99#13290#13191
25.2M → Finish15310+143#13191#13048
TOTALS23983749-1351
📊

Passing Visuals

Category:
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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