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BOSTON MARATHON 2025

Sophia Leidner

Bib: 6136•F

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0:00
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Overall
#0 / 28404
Top 17%
Gender (Female)
#0 / 12228
Top 3%
Division (F18-39)
#0 / 5469
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:05
Rank: #3587
Start → 5K
20:05 | 6:28/mi
10K· 6.21 mi
40:37
Rank: #4048 (-461)
5K → 10K
20:32 | 6:37/mi
15K· 9.32 mi
1:01:20
Rank: #4260 (-212)
10K → 15K
20:43 | 6:40/mi
20K· 12.43 mi
1:22:28
Rank: #4448 (-188)
15K → 20K
21:08 | 6:48/mi
Half· 13.11 mi
1:26:58
Rank: #4443 (+5)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:36
Rank: #4542 (-99)
Half → 25K
16:38 | 6:52/mi
30K· 18.64 mi
2:05:46
Rank: #4723 (-181)
25K → 30K
22:10 | 7:08/mi
20M
2:15:33
Rank: #4762 (-39)
30K → 20M
9:47 | 7:12/mi
21M
2:23:12
Rank: #4772 (-10)
20M → 21M
7:39 | 7:39/mi
35K· 21.75 mi
2:28:30
Rank: #4800 (-28)
21M → 35K
5:18 | 7:05/mi
23M
2:37:41
Rank: #4844 (-44)
35K → 23M
9:11 | 7:20/mi
24M
2:44:47
Rank: #4859 (-15)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:51:02
Rank: #4887 (-28)
24M → 40K
6:15 | 7:19/mi
25.2M
2:53:43
Rank: #4868 (+19)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:00:46
Rank: #4869 (-1)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:58
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:33:48
Pace7:09 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1720:056:2820:05
6:28
-
10K
6.21 mi10:44:4940:376:3220:32
6:37
+0:09
15K
9.32 mi11:05:321:01:206:3520:43
6:40
+0:03
20K
12.43 mi11:26:401:22:286:3821:08
6:48
+0:08
Half
13.11 mi11:31:101:26:586:384:30
6:36
-0:12
25K
15.53 mi11:47:481:43:366:4016:38
6:52
+0:16
30K
18.64 mi12:09:582:05:466:4522:10
7:08
+0:16
20M
20.00 mi12:19:452:15:336:479:47
7:12
+0:04
21M
21.00 mi12:27:242:23:126:497:39
7:39
+0:27
35K
21.75 mi12:32:422:28:306:505:18
7:05
-0:34
23M
23.00 mi12:41:532:37:416:519:11
7:20
+0:15
24M
24.00 mi12:48:592:44:476:527:06
7:06
-0:14
40K
24.85 mi12:55:142:51:026:536:15
7:19
+0:13
25.2M
25.20 mi12:57:552:53:436:542:41
7:47
+0:28
Finish
26.22 mi13:04:583:00:466:547:03
6:55
-0:52

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

6:28 /mi

Average Pace

6:54 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:36

57% of race

Time at Steady Pace

51:24

28% of race

Time at Slower Pace

25:46

14% of race

Average Pace: 6:54 /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 mi10:24:1720:056:2820:05
6:28
#3587
10K
6.21 mi10:44:4940:376:3220:32
6:37
#4048
15K
9.32 mi11:05:321:01:206:3520:43
6:40
#4260
20K
12.43 mi11:26:401:22:286:3821:08
6:48
#4448
Half
13.11 mi11:31:101:26:586:384:30
6:36
#4443
25K
15.53 mi11:47:481:43:366:4016:38
6:52
#4542
30K
18.64 mi12:09:582:05:466:4522:10
7:08
#4723
20M
20.00 mi12:19:452:15:336:479:47
7:12
#4762
21M
21.00 mi12:27:242:23:126:497:39
7:39
#4772
35K
21.75 mi12:32:422:28:306:505:18
7:05
#4800
23M
23.00 mi12:41:532:37:416:519:11
7:20
#4844
24M
24.00 mi12:48:592:44:476:527:06
7:06
#4859
40K
24.85 mi12:55:142:51:026:536:15
7:19
#4887
25.2M
25.20 mi12:57:552:53:436:542:41
7:47
#4868
Finish
26.22 mi13:04:583:00:466:547:03
6:55
#4869
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi35871761764817(Top 17%)314(Top 3%)314(Top 6%)
10K6.21 mi3.10 mi4048-461223-47223-474560(Top 16%)279(Top 2%)279(Top 5%)
15K9.32 mi3.11 mi4260-212246-23246-234817(Top 17%)314(Top 3%)314(Top 6%)
20K12.43 mi3.11 mi4448-188267-21267-215332(Top 19%)425(Top 3%)425(Top 8%)
Half13.11 mi0.68 mi4443+5266+1266+14466(Top 16%)285(Top 2%)285(Top 5%)
25K15.53 mi2.42 mi4542-99288-22288-225383(Top 19%)464(Top 4%)464(Top 8%)
30K18.64 mi3.11 mi4723-181332-44332-445536(Top 19%)559(Top 5%)559(Top 10%)
20M20.00 mi1.36 mi4762-39342-10342-105210(Top 18%)558(Top 5%)558(Top 10%)
21M21.00 mi1.00 mi4772-10351-9351-95411(Top 19%)721(Top 6%)721(Top 13%)
35K21.75 mi0.75 mi4800-28364-13364-135919(Top 21%)887(Top 7%)887(Top 16%)
23M23.00 mi1.25 mi4844-44378-14378-145661(Top 20%)864(Top 7%)864(Top 16%)
24M24.00 mi1.00 mi4859-15394-16394-165236(Top 18%)798(Top 7%)798(Top 15%)
40K24.85 mi0.85 mi4887-28404-10404-105717(Top 20%)1014(Top 8%)1014(Top 19%)
25.2M25.20 mi0.35 mi4868+194044044829(Top 17%)796(Top 7%)796(Top 15%)
Finish26.22 mi1.02 mi4869-1413-9413-95232(Top 18%)936(Top 8%)936(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4817

Females

314

F18-39

314

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4560

Females

279

F18-39

279

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4817

Females

314

F18-39

314

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5332

Females

425

F18-39

425

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4466

Females

285

F18-39

285

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5383

Females

464

F18-39

464

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5536

Females

559

F18-39

559

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5210

Females

558

F18-39

558

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5411

Females

721

F18-39

721

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5919

Females

887

F18-39

887

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5661

Females

864

F18-39

864

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5236

Females

798

F18-39

798

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5717

Females

1014

F18-39

1014

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4829

Females

796

F18-39

796

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5232

Females

936

F18-39

936

Passing Analysis

Category:
Athletes Passed
745
Passed By
2027
Net Change
-1282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3587
5K → 10K21482-461#3587#4048
10K → 15K36248-212#4048#4260
15K → 20K55243-188#4260#4448
20K → Half1813+5#4448#4443
Half → 25K84183-99#4443#4542
25K → 30K94275-181#4542#4723
30K → 20M61100-39#4723#4762
20M → 21M6575-10#4762#4772
21M → 35K4472-28#4772#4800
35K → 23M70114-44#4800#4844
23M → 24M6075-15#4844#4859
24M → 40K5078-28#4859#4887
40K → 25.2M3213+19#4887#4868
25.2M → Finish5556-1#4868#4869
TOTALS7452027-1282
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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