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BOSTON MARATHON 2025

Jamie Panzer

Bib: 12444•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Masters (Masters Women)
#0 / 6759
Top 3%
Division (F45-49)
#0 / 1813
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
7:08/mi
22:11
↑ 97↓ 3451.5%
10K· 6.21 mi
7:07/mi
44:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:06/mi
1:06:19
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:28:39
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:33:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:13/mi
1:51:01
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:14:28
↑ 181↓ 1480.2%
20M
7:38/mi
2:24:51
↑ 64↓ 500.2%
21M
8:06/mi
2:32:57
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:38:27
↑ 17↓ 861.7%
23M
7:35/mi
2:47:57
↑ 23↓ 630.6%
24M
7:21/mi
2:55:18
↓ 821.3%
40K· 24.85 mi
7:15/mi
3:01:30
↓ 200.3%
25.2M
7:56/mi
3:04:14
↑ 13↓ 160.2%
Finish· 26.22 mi
7:02/mi
3:11:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:31
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:37:53
Pace7:28 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5822:117:0822:11
7:08
-
10K
6.21 mi11:12:0444:177:0822:06
7:07
-0:01
15K
9.32 mi11:34:061:06:197:0722:02
7:06
-0:01
20K
12.43 mi11:56:261:28:397:0822:20
7:11
+0:05
Half
13.11 mi12:01:181:33:317:084:52
7:08
-0:03
25K
15.53 mi12:18:481:51:017:0917:30
7:13
+0:05
30K
18.64 mi12:42:152:14:287:1323:27
7:33
+0:20
20M
20.00 mi12:52:382:24:517:1510:23
7:38
+0:05
21M
21.00 mi13:00:442:32:577:178:06
8:06
+0:28
35K
21.75 mi13:06:142:38:277:175:30
7:21
-0:45
23M
23.00 mi13:15:442:47:577:189:30
7:35
+0:14
24M
24.00 mi13:23:052:55:187:187:21
7:21
-0:14
40K
24.85 mi13:29:173:01:307:186:12
7:15
-0:06
25.2M
25.20 mi13:32:013:04:147:192:44
7:56
+0:41
Finish
26.22 mi13:39:113:11:247:187:10
7:02
-0:54

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

7:02 /mi

Average Pace

7:18 /mi

Slowest Pace

8:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:34

94% of race

Time at Steady Pace

10:50

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:49:5822:117:0822:11
7:08
#8989
10K
6.21 mi11:12:0444:177:0822:06
7:07
#8853
15K
9.32 mi11:34:061:06:197:0722:02
7:06
#8619
20K
12.43 mi11:56:261:28:397:0822:20
7:11
#8407
Half
13.11 mi12:01:181:33:317:084:52
7:08
#8412
25K
15.53 mi12:18:481:51:017:0917:30
7:13
#8267
30K
18.64 mi12:42:152:14:287:1323:27
7:33
#8137
20M
20.00 mi12:52:382:24:517:1510:23
7:38
#8070
21M
21.00 mi13:00:442:32:577:178:06
8:06
#7996
35K
21.75 mi13:06:142:38:277:175:30
7:21
#7941
23M
23.00 mi13:15:442:47:577:189:30
7:35
#7831
24M
24.00 mi13:23:052:55:187:187:21
7:21
#7752
40K
24.85 mi13:29:173:01:307:186:12
7:15
#7606
25.2M
25.20 mi13:32:013:04:147:192:44
7:56
#7551
Finish
26.22 mi13:39:113:11:247:187:10
7:02
#7443
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi8989136513658296(Top 29%)1157(Top 9%)1157(Top 64%)
10K6.21 mi3.10 mi8853+1361323+421323+428793(Top 31%)1299(Top 11%)1299(Top 72%)
15K9.32 mi3.11 mi8619+2341242+811242+818296(Top 29%)1157(Top 9%)1157(Top 64%)
20K12.43 mi3.11 mi8407+2121188+541188+548116(Top 29%)1151(Top 9%)1151(Top 63%)
Half13.11 mi0.68 mi8412-51191-31191-38596(Top 30%)1317(Top 11%)1317(Top 73%)
25K15.53 mi2.42 mi8267+1451151+401151+407757(Top 27%)1125(Top 9%)1125(Top 62%)
30K18.64 mi3.11 mi8137+1301163-121163-128086(Top 28%)1424(Top 12%)1424(Top 79%)
20M20.00 mi1.36 mi8070+671171-81171-87987(Top 28%)1530(Top 13%)1530(Top 84%)
21M21.00 mi1.00 mi7996+741178-71178-77971(Top 28%)1710(Top 14%)1710(Top 94%)
35K21.75 mi0.75 mi7941+551177+11177+17588(Top 27%)1517(Top 12%)1517(Top 84%)
23M23.00 mi1.25 mi7831+1101180-31180-37182(Top 25%)1473(Top 12%)1473(Top 81%)
24M24.00 mi1.00 mi7752+79118011806746(Top 24%)1355(Top 11%)1355(Top 75%)
40K24.85 mi0.85 mi7606+1461163+171163+175419(Top 19%)913(Top 7%)913(Top 50%)
25.2M25.20 mi0.35 mi7551+55116311635648(Top 20%)1111(Top 9%)1111(Top 61%)
Finish26.22 mi1.02 mi7443+1081153+101153+105976(Top 21%)1239(Top 10%)1239(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

8296

Females

1157

F45-49

1157

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8793

Females

1299

F45-49

1299

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

8296

Females

1157

F45-49

1157

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8116

Females

1151

F45-49

1151

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8596

Females

1317

F45-49

1317

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7757

Females

1125

F45-49

1125

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

8086

Females

1424

F45-49

1424

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7987

Females

1530

F45-49

1530

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7971

Females

1710

F45-49

1710

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7588

Females

1517

F45-49

1517

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

7182

Females

1473

F45-49

1473

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6746

Females

1355

F45-49

1355

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5419

Females

913

F45-49

913

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5648

Females

1111

F45-49

1111

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5976

Females

1239

F45-49

1239

Passing Analysis

Category:
Athletes Passed
2300
Passed By
754
Net Change
+1546
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8989
5K → 10K289153+136#8989#8853
10K → 15K29359+234#8853#8619
15K → 20K28775+212#8619#8407
20K → Half2732-5#8407#8412
Half → 25K19348+145#8412#8267
25K → 30K252122+130#8267#8137
30K → 20M13568+67#8137#8070
20M → 21M13864+74#8070#7996
21M → 35K8227+55#7996#7941
35K → 23M14939+110#7941#7831
23M → 24M11132+79#7831#7752
24M → 40K1559+146#7752#7606
40K → 25.2M6510+55#7606#7551
25.2M → Finish12416+108#7551#7443
TOTALS2300754+1546
📊

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