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BOSTON MARATHON 2023

Jamie Panzer

Bib: 8881•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 23%
Gender (Female)
#0 / 11423
Top 6%
Masters (Masters Women)
#0 / 6539
Top 2%
Division (F40-44)
#0 / 1878
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:00/mi
21:45
↑ 97↓ 3451.5%
10K· 6.21 mi
6:58/mi
43:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:02/mi
1:05:14
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:27:56
↑ 106↓ 860.1%
Half· 13.11 mi
7:02/mi
1:32:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:08/mi
1:50:02
↑ 66↓ 880.2%
30K· 18.64 mi
7:20/mi
2:12:48
↑ 181↓ 1480.2%
20M
7:25/mi
2:22:53
↑ 64↓ 500.2%
21M
7:48/mi
2:30:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:36:06
↑ 17↓ 861.7%
23M
7:22/mi
2:45:20
↑ 23↓ 630.6%
24M
7:08/mi
2:52:28
↓ 821.3%
40K· 24.85 mi
7:15/mi
2:58:40
↓ 200.3%
25.2M
7:47/mi
3:01:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:06/mi
3:08:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:44
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:35:51
Pace7:19 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5621:457:0021:45
7:00
-
10K
6.21 mi11:08:3443:236:5921:38
6:58
-0:02
15K
9.32 mi11:30:251:05:147:0021:51
7:02
+0:04
20K
12.43 mi11:53:071:27:567:0522:42
7:18
+0:16
Half
13.11 mi11:57:551:32:447:044:48
7:02
-0:16
25K
15.53 mi12:15:131:50:027:0517:18
7:08
+0:06
30K
18.64 mi12:37:592:12:487:0722:46
7:20
+0:12
20M
20.00 mi12:48:042:22:537:0910:05
7:25
+0:05
21M
21.00 mi12:55:522:30:417:117:48
7:48
+0:23
35K
21.75 mi13:01:172:36:067:115:25
7:14
-0:34
23M
23.00 mi13:10:312:45:207:119:14
7:22
+0:08
24M
24.00 mi13:17:392:52:287:117:08
7:08
-0:14
40K
24.85 mi13:23:512:58:407:116:12
7:15
+0:07
25.2M
25.20 mi13:26:323:01:217:122:41
7:47
+0:32
Finish
26.22 mi13:33:463:08:357:127:14
7:06
-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

6:58 /mi

Average Pace

7:12 /mi

Slowest Pace

7:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:06

94% of race

Time at Steady Pace

10:29

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:12 /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 mi10:46:5621:457:0021:45
7:00
#6261
10K
6.21 mi11:08:3443:236:5921:38
6:58
#6405
15K
9.32 mi11:30:251:05:147:0021:51
7:02
#6511
20K
12.43 mi11:53:071:27:567:0522:42
7:18
#6785
Half
13.11 mi11:57:551:32:447:044:48
7:02
#6793
25K
15.53 mi12:15:131:50:027:0517:18
7:08
#6691
30K
18.64 mi12:37:592:12:487:0722:46
7:20
#6546
20M
20.00 mi12:48:042:22:537:0910:05
7:25
#6488
21M
21.00 mi12:55:522:30:417:117:48
7:48
#6426
35K
21.75 mi13:01:172:36:067:115:25
7:14
#6409
23M
23.00 mi13:10:312:45:207:119:14
7:22
#6335
24M
24.00 mi13:17:392:52:287:117:08
7:08
#6234
40K
24.85 mi13:23:512:58:407:116:12
7:15
#6161
25.2M
25.20 mi13:26:323:01:217:122:41
7:47
#6131
Finish
26.22 mi13:33:463:08:357:127:14
7:06
#6083
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi62615435436784(Top 25%)698(Top 6%)698(Top 37%)
10K6.21 mi3.10 mi6405-144602-59602-596586(Top 25%)658(Top 6%)658(Top 35%)
15K9.32 mi3.11 mi6511-106626-24626-246784(Top 25%)698(Top 6%)698(Top 37%)
20K12.43 mi3.11 mi6785-274690-64690-647833(Top 29%)1046(Top 9%)1046(Top 56%)
Half13.11 mi0.68 mi6793-86906906798(Top 26%)695(Top 6%)695(Top 37%)
25K15.53 mi2.42 mi6691+102683+7683+76320(Top 24%)648(Top 6%)648(Top 35%)
30K18.64 mi3.11 mi6546+145659+24659+246196(Top 23%)678(Top 6%)678(Top 36%)
20M20.00 mi1.36 mi6488+58663-4663-46311(Top 24%)785(Top 7%)785(Top 42%)
21M21.00 mi1.00 mi6426+62661+2661+26197(Top 23%)851(Top 7%)851(Top 45%)
35K21.75 mi0.75 mi6409+17658+3658+36796(Top 26%)1014(Top 9%)1014(Top 54%)
23M23.00 mi1.25 mi6335+74653+5653+55745(Top 22%)728(Top 6%)728(Top 39%)
24M24.00 mi1.00 mi6234+101636+17636+175398(Top 20%)678(Top 6%)678(Top 36%)
40K24.85 mi0.85 mi6161+73634+2634+25185(Top 19%)710(Top 6%)710(Top 38%)
25.2M25.20 mi0.35 mi6131+30633+1633+15340(Top 20%)832(Top 7%)832(Top 44%)
Finish26.22 mi1.02 mi6083+486336335836(Top 22%)1012(Top 9%)1012(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6784

Females

698

F40-44

698

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6586

Females

658

F40-44

658

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6784

Females

698

F40-44

698

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7833

Females

1046

F40-44

1046

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

6798

Females

695

F40-44

695

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6320

Females

648

F40-44

648

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6196

Females

678

F40-44

678

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6311

Females

785

F40-44

785

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6197

Females

851

F40-44

851

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6796

Females

1014

F40-44

1014

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5745

Females

728

F40-44

728

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5398

Females

678

F40-44

678

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5185

Females

710

F40-44

710

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5340

Females

832

F40-44

832

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5836

Females

1012

F40-44

1012

Passing Analysis

Category:
Athletes Passed
1201
Passed By
1023
Net Change
+178
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6261
5K → 10K121265-144#6261#6405
10K → 15K76182-106#6405#6511
15K → 20K43317-274#6511#6785
20K → Half1523-8#6785#6793
Half → 25K13129+102#6793#6691
25K → 30K18439+145#6691#6546
30K → 20M9436+58#6546#6488
20M → 21M8422+62#6488#6426
21M → 35K4326+17#6426#6409
35K → 23M10026+74#6409#6335
23M → 24M11312+101#6335#6234
24M → 40K8613+73#6234#6161
40K → 25.2M388+30#6161#6131
25.2M → Finish7325+48#6131#6083
TOTALS12011023+178
📊

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