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BOSTON MARATHON 2023

Jennifer Gardynski

Bib: 13621•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
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
24:27
Rank: #13017
Start → 5K
24:27 | 7:52/mi
10K· 6.21 mi
49:07
Rank: #13639 (-622)
5K → 10K
24:40 | 7:56/mi
15K· 9.32 mi
1:13:48
Rank: #13727 (-88)
10K → 15K
24:41 | 7:57/mi
20K· 12.43 mi
1:38:52
Rank: #13744 (-17)
15K → 20K
25:04 | 8:04/mi
Half· 13.11 mi
1:44:22
Rank: #13797 (-53)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:04:07
Rank: #13789 (+8)
Half → 25K
19:45 | 8:09/mi
30K· 18.64 mi
2:30:57
Rank: #14097 (-308)
25K → 30K
26:50 | 8:38/mi
20M
2:43:14
Rank: #14291 (-194)
30K → 20M
12:17 | 9:02/mi
21M
2:52:16
Rank: #14241 (+50)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:58:42
Rank: #14286 (-45)
21M → 35K
6:26 | 8:36/mi
23M
3:09:33
Rank: #14266 (+20)
35K → 23M
10:51 | 8:40/mi
24M
3:17:56
Rank: #14227 (+39)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:25:11
Rank: #14175 (+52)
24M → 40K
7:15 | 8:29/mi
25.2M
3:28:11
Rank: #14103 (+72)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:36:12
Rank: #13970 (+133)
25.2M → Finish
8:01 | 7:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:22
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:51:50
Pace8:32 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5924:277:5224:27
7:52
-
10K
6.21 mi11:17:3949:077:5424:40
7:56
+0:04
15K
9.32 mi11:42:201:13:487:5524:41
7:57
+0:01
20K
12.43 mi12:07:241:38:527:5725:04
8:04
+0:07
Half
13.11 mi12:12:541:44:227:585:30
8:04
0:00
25K
15.53 mi12:32:392:04:077:5919:45
8:09
+0:05
30K
18.64 mi12:59:292:30:578:0626:50
8:38
+0:29
20M
20.00 mi13:11:462:43:148:1012:17
9:02
+0:24
21M
21.00 mi13:20:482:52:168:129:02
9:02
0:00
35K
21.75 mi13:27:142:58:428:136:26
8:36
-0:26
23M
23.00 mi13:38:053:09:338:1410:51
8:40
+0:04
24M
24.00 mi13:46:283:17:568:158:23
8:23
-0:17
40K
24.85 mi13:53:433:25:118:157:15
8:29
+0:06
25.2M
25.20 mi13:56:433:28:118:163:00
8:42
+0:13
Finish
26.22 mi14:04:443:36:128:158:01
7:52
-0:50

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

7:52 /mi

Average Pace

8:15 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:02

84% of race

Time at Steady Pace

35:10

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:15 /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 mi10:52:5924:277:5224:27
7:52
#13017
10K
6.21 mi11:17:3949:077:5424:40
7:56
#13639
15K
9.32 mi11:42:201:13:487:5524:41
7:57
#13727
20K
12.43 mi12:07:241:38:527:5725:04
8:04
#13744
Half
13.11 mi12:12:541:44:227:585:30
8:04
#13797
25K
15.53 mi12:32:392:04:077:5919:45
8:09
#13789
30K
18.64 mi12:59:292:30:578:0626:50
8:38
#14097
20M
20.00 mi13:11:462:43:148:1012:17
9:02
#14291
21M
21.00 mi13:20:482:52:168:129:02
9:02
#14241
35K
21.75 mi13:27:142:58:428:136:26
8:36
#14286
23M
23.00 mi13:38:053:09:338:1410:51
8:40
#14266
24M
24.00 mi13:46:283:17:568:158:23
8:23
#14227
40K
24.85 mi13:53:433:25:118:157:15
8:29
#14175
25.2M
25.20 mi13:56:433:28:118:163:00
8:42
#14103
Finish
26.22 mi14:04:443:36:128:158:01
7:52
#13970
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130173450345013971(Top 52%)4070(Top 36%)4070(Top 83%)
10K6.21 mi3.10 mi13639-6223830-3803830-38014340(Top 54%)4262(Top 37%)4262(Top 87%)
15K9.32 mi3.11 mi13727-883900-703900-7013971(Top 52%)4070(Top 36%)4070(Top 83%)
20K12.43 mi3.11 mi13744-173934-343934-3414008(Top 53%)4115(Top 36%)4115(Top 84%)
Half13.11 mi0.68 mi13797-533960-263960-2614891(Top 56%)4611(Top 40%)4611(Top 94%)
25K15.53 mi2.42 mi13789+83981-213981-2113861(Top 52%)4137(Top 36%)4137(Top 85%)
30K18.64 mi3.11 mi14097-3084202-2214202-22115148(Top 57%)5027(Top 44%)5027(Top 103%)
20M20.00 mi1.36 mi14291-1944354-1524354-15216726(Top 63%)5998(Top 53%)5998(Top 123%)
21M21.00 mi1.00 mi14241+504339+154339+1513646(Top 51%)4301(Top 38%)4301(Top 88%)
35K21.75 mi0.75 mi14286-454380-414380-4115865(Top 60%)5600(Top 49%)5600(Top 115%)
23M23.00 mi1.25 mi14266+204392-124392-1214185(Top 53%)4715(Top 41%)4715(Top 97%)
24M24.00 mi1.00 mi14227+394385+74385+713783(Top 52%)4541(Top 40%)4541(Top 93%)
40K24.85 mi0.85 mi14175+524380+54380+513235(Top 50%)4333(Top 38%)4333(Top 89%)
25.2M25.20 mi0.35 mi14103+724344+364344+3610855(Top 41%)3129(Top 27%)3129(Top 64%)
Finish26.22 mi1.02 mi13970+1334277+674277+6711197(Top 42%)3303(Top 29%)3303(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13971

Females

4070

F18-39

4070

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14340

Females

4262

F18-39

4262

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13971

Females

4070

F18-39

4070

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14008

Females

4115

F18-39

4115

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14891

Females

4611

F18-39

4611

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13861

Females

4137

F18-39

4137

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15148

Females

5027

F18-39

5027

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16726

Females

5998

F18-39

5998

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13646

Females

4301

F18-39

4301

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15865

Females

5600

F18-39

5600

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14185

Females

4715

F18-39

4715

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13783

Females

4541

F18-39

4541

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13235

Females

4333

F18-39

4333

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10855

Females

3129

F18-39

3129

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11197

Females

3303

F18-39

3303

Passing Analysis

Category:
Athletes Passed
1343
Passed By
2296
Net Change
-953
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13017
5K → 10K100722-622#13017#13639
10K → 15K142230-88#13639#13727
15K → 20K170187-17#13727#13744
20K → Half1568-53#13744#13797
Half → 25K132124+8#13797#13789
25K → 30K108416-308#13789#14097
30K → 20M39233-194#14097#14291
20M → 21M9848+50#14291#14241
21M → 35K3681-45#14241#14286
35K → 23M9575+20#14286#14266
23M → 24M9051+39#14266#14227
24M → 40K9038+52#14227#14175
40K → 25.2M797+72#14175#14103
25.2M → Finish14916+133#14103#13970
TOTALS13432296-953
📊

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