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BOSTON MARATHON 2025

Isabell Friedrich

Bib: 11351•F

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
7:01/mi
21:48
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
44:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:52/mi
1:08:53
↑ 67↓ 78
20K· 12.43 mi
8:38/mi
1:35:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:41:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:02:43
↑ 66↓ 880.2%
30K· 18.64 mi
9:41/mi
2:32:49
↑ 181↓ 1480.2%
20M
9:35/mi
2:45:51
↑ 64↓ 500.2%
21M
10:24/mi
2:56:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
3:02:51
↑ 17↓ 861.7%
23M
9:45/mi
3:15:04
↑ 23↓ 630.6%
24M
9:13/mi
3:24:17
↓ 821.3%
40K· 24.85 mi
10:05/mi
3:32:54
↓ 200.3%
25.2M
10:50/mi
3:36:38
↑ 13↓ 160.2%
Finish· 26.22 mi
9:16/mi
3:46:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time2:04:48
Pace9:31 /mi
📊Positive Split: 23.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1221:487:0121:48
7:01
-
10K
6.21 mi11:10:5044:267:0922:38
7:17
+0:16
15K
9.32 mi11:35:171:08:537:2324:27
7:52
+0:35
20K
12.43 mi12:02:051:35:417:4226:48
8:38
+0:46
Half
13.11 mi12:07:411:41:177:445:36
8:12
-0:26
25K
15.53 mi12:29:072:02:437:5421:26
8:50
+0:38
30K
18.64 mi12:59:132:32:498:1230:06
9:41
+0:51
20M
20.00 mi13:12:152:45:518:1813:02
9:35
-0:06
21M
21.00 mi13:22:392:56:158:2410:24
10:24
+0:49
35K
21.75 mi13:29:153:02:518:246:36
8:49
-1:35
23M
23.00 mi13:41:283:15:048:2912:13
9:45
+0:56
24M
24.00 mi13:50:413:24:178:319:13
9:13
-0:32
40K
24.85 mi13:59:183:32:548:348:37
10:05
+0:52
25.2M
25.20 mi14:03:023:36:388:363:44
10:50
+0:45
Finish
26.22 mi14:12:293:46:058:389:27
9:16
-1:34

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

7:01 /mi

Average Pace

8:38 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:17

45% of race

Time at Steady Pace

1:29:50

40% of race

Time at Slower Pace

34:58

15% of race

Average Pace: 8:37 /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 mi10:48:1221:487:0121:48
7:01
#7977
10K
6.21 mi11:10:5044:267:0922:38
7:17
#9050
15K
9.32 mi11:35:171:08:537:2324:27
7:52
#10982
20K
12.43 mi12:02:051:35:417:4226:48
8:38
#13360
Half
13.11 mi12:07:411:41:177:445:36
8:12
#13590
25K
15.53 mi12:29:072:02:437:5421:26
8:50
#14713
30K
18.64 mi12:59:132:32:498:1230:06
9:41
#16197
20M
20.00 mi13:12:152:45:518:1813:02
9:35
#16461
21M
21.00 mi13:22:392:56:158:2410:24
10:24
#16659
35K
21.75 mi13:29:153:02:518:246:36
8:49
#16672
23M
23.00 mi13:41:283:15:048:2912:13
9:45
#16891
24M
24.00 mi13:50:413:24:178:319:13
9:13
#16967
40K
24.85 mi13:59:183:32:548:348:37
10:05
#17179
25.2M
25.20 mi14:03:023:36:388:363:44
10:50
#17256
Finish
26.22 mi14:12:293:46:058:389:27
9:16
#17400
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi797797897815009(Top 53%)4589(Top 38%)4589(Top 84%)
10K6.21 mi3.10 mi9050-10731400-4221400-42210249(Top 36%)1942(Top 16%)1942(Top 36%)
15K9.32 mi3.11 mi10982-19322311-9112311-91115009(Top 53%)4589(Top 38%)4589(Top 84%)
20K12.43 mi3.11 mi13360-23783637-13263637-132618989(Top 67%)6909(Top 57%)6909(Top 126%)
Half13.11 mi0.68 mi13590-2303787-1503787-15017387(Top 61%)5986(Top 49%)5986(Top 109%)
25K15.53 mi2.42 mi14713-11234454-6674454-66719155(Top 67%)7050(Top 58%)7050(Top 129%)
30K18.64 mi3.11 mi16197-14845337-8835337-88320655(Top 73%)8017(Top 66%)8017(Top 147%)
20M20.00 mi1.36 mi16461-2645534-1975534-19719577(Top 69%)7565(Top 62%)7565(Top 138%)
21M21.00 mi1.00 mi16659-1985675-1415675-14119710(Top 69%)7744(Top 63%)7744(Top 142%)
35K21.75 mi0.75 mi16672-135707-325707-3217390(Top 61%)6577(Top 54%)6577(Top 120%)
23M23.00 mi1.25 mi16891-2195873-1665873-16619653(Top 69%)7863(Top 64%)7863(Top 144%)
24M24.00 mi1.00 mi16967-765938-655938-6518440(Top 65%)7269(Top 59%)7269(Top 133%)
40K24.85 mi0.85 mi17179-2126091-1536091-15320717(Top 73%)8513(Top 70%)8513(Top 156%)
25.2M25.20 mi0.35 mi17256-776147-566147-5620125(Top 71%)8215(Top 67%)8215(Top 150%)
Finish26.22 mi1.02 mi17400-1446259-1126259-11220281(Top 71%)8279(Top 68%)8279(Top 151%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

15009

Females

4589

F18-39

4589

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10249

Females

1942

F18-39

1942

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

15009

Females

4589

F18-39

4589

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

18989

Females

6909

F18-39

6909

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17387

Females

5986

F18-39

5986

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

19155

Females

7050

F18-39

7050

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20655

Females

8017

F18-39

8017

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19577

Females

7565

F18-39

7565

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19710

Females

7744

F18-39

7744

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17390

Females

6577

F18-39

6577

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

19653

Females

7863

F18-39

7863

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18440

Females

7269

F18-39

7269

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20717

Females

8513

F18-39

8513

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20125

Females

8215

F18-39

8215

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20281

Females

8279

F18-39

8279

Passing Analysis

Category:
Athletes Passed
465
Passed By
9886
Net Change
-9423
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7977
5K → 10K201093-1073#7977#9050
10K → 15K151945-1932#9050#10982
15K → 20K82386-2378#10982#13360
20K → Half1231-230#13360#13590
Half → 25K341157-1123#13590#14713
25K → 30K301514-1484#14713#16197
30K → 20M50314-264#16197#16461
20M → 21M57255-198#16461#16659
21M → 35K6275-13#16659#16672
35K → 23M60279-219#16672#16891
23M → 24M54130-76#16891#16967
24M → 40K24236-212#16967#17179
40K → 25.2M2097-77#17179#17256
25.2M → Finish30174-144#17256#17400
TOTALS4659886-9423
📊

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