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BOSTON MARATHON 2023

Jenna Bargfrede

Bib: 16388•F

NJ

0:00
0:00
/ mi
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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
23:47
Rank: #11086
Start → 5K
23:47 | 7:39/mi
10K· 6.21 mi
47:45
Rank: #11675 (-589)
5K → 10K
23:58 | 7:43/mi
15K· 9.32 mi
1:12:42
Rank: #12693 (-1018)
10K → 15K
24:57 | 8:02/mi
20K· 12.43 mi
1:39:25
Rank: #14111 (-1418)
15K → 20K
26:43 | 8:36/mi
Half· 13.11 mi
1:45:22
Rank: #14394 (-283)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:07:34
Rank: #15435 (-1041)
Half → 25K
22:12 | 9:09/mi
30K· 18.64 mi
2:37:46
Rank: #16554 (-1119)
25K → 30K
30:12 | 9:43/mi
20M
2:51:36
Rank: #17003 (-449)
30K → 20M
13:50 | 10:11/mi
21M
3:03:46
Rank: #17697 (-694)
20M → 21M
12:10 | 12:10/mi
35K· 21.75 mi
3:12:25
Rank: #18220 (-523)
21M → 35K
8:39 | 11:34/mi
23M
3:28:02
Rank: #19058 (-838)
35K → 23M
15:37 | 12:28/mi
24M
3:37:58
Rank: #19145 (-87)
23M → 24M
9:56 | 9:56/mi
40K· 24.85 mi
3:47:16
Rank: #19346 (-201)
24M → 40K
9:18 | 10:53/mi
25.2M
3:51:25
Rank: #19450 (-104)
40K → 25.2M
4:09 | 12:02/mi
Finish· 26.22 mi
4:00:00
Rank: #19317 (+133)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:22
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:14:38
Pace10:16 /mi
📊Positive Split: 27.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5323:477:3923:47
7:39
-
10K
6.21 mi11:37:5147:457:4123:58
7:43
+0:04
15K
9.32 mi12:02:481:12:427:4824:57
8:02
+0:19
20K
12.43 mi12:29:311:39:258:0026:43
8:36
+0:34
Half
13.11 mi12:35:281:45:228:025:57
8:43
+0:07
25K
15.53 mi12:57:402:07:348:1322:12
9:09
+0:26
30K
18.64 mi13:27:522:37:468:2830:12
9:43
+0:34
20M
20.00 mi13:41:422:51:368:3513:50
10:11
+0:28
21M
21.00 mi13:53:523:03:468:4512:10
12:10
+1:59
35K
21.75 mi14:02:313:12:258:518:39
11:34
-0:36
23M
23.00 mi14:18:083:28:029:0315:37
12:28
+0:54
24M
24.00 mi14:28:043:37:589:059:56
9:56
-2:32
40K
24.85 mi14:37:223:47:169:099:18
10:53
+0:57
25.2M
25.20 mi14:41:313:51:259:114:09
12:02
+1:09
Finish
26.22 mi14:50:064:00:009:108:35
8:25
-3:37

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

7:39 /mi

Average Pace

9:10 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:57

47% of race

Time at Steady Pace

1:16:10

32% of race

Time at Slower Pace

49:53

21% of race

Average Pace: 9:09 /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 mi11:13:5323:477:3923:47
7:39
#11086
10K
6.21 mi11:37:5147:457:4123:58
7:43
#11675
15K
9.32 mi12:02:481:12:427:4824:57
8:02
#12693
20K
12.43 mi12:29:311:39:258:0026:43
8:36
#14111
Half
13.11 mi12:35:281:45:228:025:57
8:43
#14394
25K
15.53 mi12:57:402:07:348:1322:12
9:09
#15435
30K
18.64 mi13:27:522:37:468:2830:12
9:43
#16554
20M
20.00 mi13:41:422:51:368:3513:50
10:11
#17003
21M
21.00 mi13:53:523:03:468:4512:10
12:10
#17697
35K
21.75 mi14:02:313:12:258:518:39
11:34
#18220
23M
23.00 mi14:18:083:28:029:0315:37
12:28
#19058
24M
24.00 mi14:28:043:37:589:059:56
9:56
#19145
40K
24.85 mi14:37:223:47:169:099:18
10:53
#19346
25.2M
25.20 mi14:41:313:51:259:114:09
12:02
#19450
Finish
26.22 mi14:50:064:00:009:108:35
8:25
#19317
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi110862382238214672(Top 55%)4495(Top 39%)4495(Top 92%)
10K6.21 mi3.10 mi11675-5892697-3152697-31512408(Top 47%)3102(Top 27%)3102(Top 64%)
15K9.32 mi3.11 mi12693-10183280-5833280-58314672(Top 55%)4495(Top 39%)4495(Top 92%)
20K12.43 mi3.11 mi14111-14184152-8724152-87217507(Top 66%)6232(Top 55%)6232(Top 128%)
Half13.11 mi0.68 mi14394-2834315-1634315-16319140(Top 72%)7182(Top 63%)7182(Top 147%)
25K15.53 mi2.42 mi15435-10414987-6724987-67219668(Top 74%)7516(Top 66%)7516(Top 154%)
30K18.64 mi3.11 mi16554-11195716-7295716-72920212(Top 76%)7891(Top 69%)7891(Top 162%)
20M20.00 mi1.36 mi17003-4495972-2565972-25620977(Top 79%)8403(Top 74%)8403(Top 172%)
21M21.00 mi1.00 mi17697-6946408-4366408-43623013(Top 86%)9565(Top 84%)9565(Top 196%)
35K21.75 mi0.75 mi18220-5236737-3296737-32924202(Top 91%)10231(Top 90%)10231(Top 209%)
23M23.00 mi1.25 mi19058-8387219-4827219-48224564(Top 92%)10425(Top 91%)10425(Top 213%)
24M24.00 mi1.00 mi19145-877277-587277-5820625(Top 77%)8347(Top 73%)8347(Top 171%)
40K24.85 mi0.85 mi19346-2017398-1217398-12122122(Top 83%)9210(Top 81%)9210(Top 189%)
25.2M25.20 mi0.35 mi19450-1047464-667464-6622606(Top 85%)9465(Top 83%)9465(Top 194%)
Finish26.22 mi1.02 mi19317+1337391+737391+7314942(Top 56%)5241(Top 46%)5241(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14672

Females

4495

F18-39

4495

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

12408

Females

3102

F18-39

3102

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14672

Females

4495

F18-39

4495

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17507

Females

6232

F18-39

6232

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19140

Females

7182

F18-39

7182

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19668

Females

7516

F18-39

7516

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20212

Females

7891

F18-39

7891

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

20977

Females

8403

F18-39

8403

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

23013

Females

9565

F18-39

9565

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24202

Females

10231

F18-39

10231

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24564

Females

10425

F18-39

10425

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20625

Females

8347

F18-39

8347

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22122

Females

9210

F18-39

9210

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22606

Females

9465

F18-39

9465

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14942

Females

5241

F18-39

5241

Passing Analysis

Category:
Athletes Passed
416
Passed By
8647
Net Change
-8231
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11086
5K → 10K109698-589#11086#11675
10K → 15K221040-1018#11675#12693
15K → 20K211439-1418#12693#14111
20K → Half2285-283#14111#14394
Half → 25K161057-1041#14394#15435
25K → 30K261145-1119#15435#16554
30K → 20M14463-449#16554#17003
20M → 21M7701-694#17003#17697
21M → 35K4527-523#17697#18220
35K → 23M3841-838#18220#19058
23M → 24M33120-87#19058#19145
24M → 40K18219-201#19145#19346
40K → 25.2M1105-104#19346#19450
25.2M → Finish1407+133#19450#19317
TOTALS4168647-8231
📊

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