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BOSTON MARATHON 2025

Jennifer Fritzsche

Bib: 21807•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 36%
Masters (Masters Women)
#0 / 6759
Top 22%
Division (F55-59)
#0 / 994
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:18
Rank: #17683
Start → 5K
25:18 | 8:09/mi
10K· 6.21 mi
50:30
Rank: #17459 (+224)
5K → 10K
25:12 | 8:07/mi
15K· 9.32 mi
1:15:35
Rank: #17152 (+307)
10K → 15K
25:05 | 8:04/mi
20K· 12.43 mi
1:40:48
Rank: #16762 (+390)
15K → 20K
25:13 | 8:07/mi
Half· 13.11 mi
1:46:13
Rank: #16690 (+72)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:05:20
Rank: #16088 (+602)
Half → 25K
19:07 | 7:53/mi
30K· 18.64 mi
2:30:24
Rank: #15279 (+809)
25K → 30K
25:04 | 8:04/mi
20M
2:41:21
Rank: #14879 (+400)
30K → 20M
10:57 | 8:03/mi
21M
2:50:19
Rank: #14746 (+133)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
2:56:06
Rank: #14550 (+196)
21M → 35K
5:47 | 7:44/mi
23M
3:06:33
Rank: #14403 (+147)
35K → 23M
10:27 | 8:21/mi
24M
3:14:39
Rank: #14275 (+128)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:21:47
Rank: #14184 (+91)
24M → 40K
7:08 | 8:21/mi
25.2M
3:25:02
Rank: #14168 (+16)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:33:48
Rank: #14239 (-71)
25.2M → Finish
8:46 | 8:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:13
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:47:35
Pace8:12 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2125:188:0925:18
8:09
-
10K
6.21 mi11:46:3350:308:0825:12
8:07
-0:02
15K
9.32 mi12:11:381:15:358:0725:05
8:04
-0:03
20K
12.43 mi12:36:511:40:488:0725:13
8:07
+0:03
Half
13.11 mi12:42:161:46:138:065:25
7:56
-0:11
25K
15.53 mi13:01:232:05:208:0419:07
7:53
-0:03
30K
18.64 mi13:26:272:30:248:0425:04
8:04
+0:11
20M
20.00 mi13:37:242:41:218:0410:57
8:03
-0:01
21M
21.00 mi13:46:222:50:198:078:58
8:58
+0:55
35K
21.75 mi13:52:092:56:068:065:47
7:44
-1:14
23M
23.00 mi14:02:363:06:338:0710:27
8:21
+0:37
24M
24.00 mi14:10:423:14:398:078:06
8:06
-0:15
40K
24.85 mi14:17:503:21:478:077:08
8:21
+0:15
25.2M
25.20 mi14:21:053:25:028:083:15
9:25
+1:04
Finish
26.22 mi14:29:513:33:488:108:46
8:36
-0:49

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

7:44 /mi

Average Pace

8:10 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:54

12% of race

Time at Steady Pace

2:30:20

70% of race

Time at Slower Pace

38:34

18% of race

Average Pace: 8:09 /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 mi11:21:2125:188:0925:18
8:09
#17683
10K
6.21 mi11:46:3350:308:0825:12
8:07
#17459
15K
9.32 mi12:11:381:15:358:0725:05
8:04
#17152
20K
12.43 mi12:36:511:40:488:0725:13
8:07
#16762
Half
13.11 mi12:42:161:46:138:065:25
7:56
#16690
25K
15.53 mi13:01:232:05:208:0419:07
7:53
#16088
30K
18.64 mi13:26:272:30:248:0425:04
8:04
#15279
20M
20.00 mi13:37:242:41:218:0410:57
8:03
#14879
21M
21.00 mi13:46:222:50:198:078:58
8:58
#14746
35K
21.75 mi13:52:092:56:068:065:47
7:44
#14550
23M
23.00 mi14:02:363:06:338:0710:27
8:21
#14403
24M
24.00 mi14:10:423:14:398:078:06
8:06
#14275
40K
24.85 mi14:17:503:21:478:077:08
8:21
#14184
25.2M
25.20 mi14:21:053:25:028:083:15
9:25
#14168
Finish
26.22 mi14:29:513:33:488:108:46
8:36
#14239
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi176836139613916575(Top 58%)5478(Top 45%)5478(Top 551%)
10K6.21 mi3.10 mi17459+2246010+1296010+12917284(Top 61%)5869(Top 48%)5869(Top 590%)
15K9.32 mi3.11 mi17152+3075799+2115799+21116575(Top 58%)5478(Top 45%)5478(Top 551%)
20K12.43 mi3.11 mi16762+3905596+2035596+20315751(Top 55%)5060(Top 41%)5060(Top 509%)
Half13.11 mi0.68 mi16690+725552+445552+4415457(Top 54%)4857(Top 40%)4857(Top 489%)
25K15.53 mi2.42 mi16088+6025212+3405212+34013014(Top 46%)3686(Top 30%)3686(Top 371%)
30K18.64 mi3.11 mi15279+8094813+3994813+39911891(Top 42%)3244(Top 27%)3244(Top 326%)
20M20.00 mi1.36 mi14879+4004624+1894624+18910862(Top 38%)2878(Top 24%)2878(Top 290%)
21M21.00 mi1.00 mi14746+1334576+484576+4813332(Top 47%)4285(Top 35%)4285(Top 431%)
35K21.75 mi0.75 mi14550+1964483+934483+9310385(Top 37%)2810(Top 23%)2810(Top 283%)
23M23.00 mi1.25 mi14403+1474440+434440+4312351(Top 43%)3934(Top 32%)3934(Top 396%)
24M24.00 mi1.00 mi14275+1284398+424398+4211941(Top 42%)3780(Top 31%)3780(Top 380%)
40K24.85 mi0.85 mi14184+914382+164382+1612462(Top 44%)4171(Top 34%)4171(Top 420%)
25.2M25.20 mi0.35 mi14168+164379+34379+314195(Top 50%)5115(Top 42%)5115(Top 515%)
Finish26.22 mi1.02 mi14239-714446-674446-6716860(Top 59%)6482(Top 53%)6482(Top 652%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16575

Females

5478

F55-59

5478

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17284

Females

5869

F55-59

5869

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16575

Females

5478

F55-59

5478

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15751

Females

5060

F55-59

5060

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15457

Females

4857

F55-59

4857

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

13014

Females

3686

F55-59

3686

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11891

Females

3244

F55-59

3244

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10862

Females

2878

F55-59

2878

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13332

Females

4285

F55-59

4285

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

10385

Females

2810

F55-59

2810

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12351

Females

3934

F55-59

3934

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11941

Females

3780

F55-59

3780

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12462

Females

4171

F55-59

4171

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14195

Females

5115

F55-59

5115

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16860

Females

6482

F55-59

6482

Passing Analysis

Category:
Athletes Passed
4025
Passed By
581
Net Change
+3444
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17683
5K → 10K414190+224#17683#17459
10K → 15K38578+307#17459#17152
15K → 20K42030+390#17152#16762
20K → Half808+72#16762#16690
Half → 25K6042+602#16690#16088
25K → 30K8112+809#16088#15279
30K → 20M4011+400#15279#14879
20M → 21M17845+133#14879#14746
21M → 35K2026+196#14746#14550
35K → 23M17528+147#14550#14403
23M → 24M14113+128#14403#14275
24M → 40K11827+91#14275#14184
40K → 25.2M4226+16#14184#14168
25.2M → Finish54125-71#14168#14239
TOTALS4025581+3444
📊

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