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BOSTON MARATHON 2025

Kelsie Schrader

Bib: 12136•F

NY

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

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
24:49
Rank: #16504
Start → 5K
24:49 | 7:59/mi
10K· 6.21 mi
50:24
Rank: #17341 (-837)
5K → 10K
25:35 | 8:14/mi
15K· 9.32 mi
1:16:16
Rank: #17655 (-314)
10K → 15K
25:52 | 8:20/mi
20K· 12.43 mi
1:41:53
Rank: #17334 (+321)
15K → 20K
25:37 | 8:15/mi
Half· 13.11 mi
1:47:25
Rank: #17287 (+47)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:08:17
Rank: #17335 (-48)
Half → 25K
20:52 | 8:36/mi
30K· 18.64 mi
2:36:51
Rank: #17563 (-228)
25K → 30K
28:34 | 9:12/mi
20M
2:49:54
Rank: #17750 (-187)
30K → 20M
13:03 | 9:36/mi
21M
2:59:51
Rank: #17782 (-32)
20M → 21M
9:57 | 9:57/mi
35K· 21.75 mi
3:06:35
Rank: #17797 (-15)
21M → 35K
6:44 | 9:00/mi
23M
3:18:08
Rank: #17751 (+46)
35K → 23M
11:33 | 9:13/mi
24M
3:26:50
Rank: #17648 (+103)
23M → 24M
8:42 | 8:42/mi
40K· 24.85 mi
3:34:33
Rank: #17589 (+59)
24M → 40K
7:43 | 9:02/mi
25.2M
3:37:47
Rank: #17529 (+60)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:46:01
Rank: #17389 (+140)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:25
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:58:36
Pace9:03 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2424:497:5924:49
7:59
-
10K
6.21 mi11:17:5950:248:0725:35
8:14
+0:15
15K
9.32 mi11:43:511:16:168:1125:52
8:20
+0:06
20K
12.43 mi12:09:281:41:538:1225:37
8:15
-0:05
Half
13.11 mi12:15:001:47:258:125:32
8:07
-0:08
25K
15.53 mi12:35:522:08:178:1520:52
8:36
+0:29
30K
18.64 mi13:04:262:36:518:2528:34
9:12
+0:36
20M
20.00 mi13:17:292:49:548:3013:03
9:36
+0:24
21M
21.00 mi13:27:262:59:518:349:57
9:57
+0:21
35K
21.75 mi13:34:103:06:358:356:44
9:00
-0:57
23M
23.00 mi13:45:433:18:088:3711:33
9:13
+0:13
24M
24.00 mi13:54:253:26:508:378:42
8:42
-0:31
40K
24.85 mi14:02:083:34:338:387:43
9:02
+0:20
25.2M
25.20 mi14:05:223:37:478:393:14
9:23
+0:21
Finish
26.22 mi14:13:363:46:018:388:14
8:05
-1:18

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

7:59 /mi

Average Pace

8:38 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:55:39

51% of race

Time at Steady Pace

29:34

13% of race

Time at Slower Pace

1:20:48

36% 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:52:2424:497:5924:49
7:59
#16504
10K
6.21 mi11:17:5950:248:0725:35
8:14
#17341
15K
9.32 mi11:43:511:16:168:1125:52
8:20
#17655
20K
12.43 mi12:09:281:41:538:1225:37
8:15
#17334
Half
13.11 mi12:15:001:47:258:125:32
8:07
#17287
25K
15.53 mi12:35:522:08:178:1520:52
8:36
#17335
30K
18.64 mi13:04:262:36:518:2528:34
9:12
#17563
20M
20.00 mi13:17:292:49:548:3013:03
9:36
#17750
21M
21.00 mi13:27:262:59:518:349:57
9:57
#17782
35K
21.75 mi13:34:103:06:358:356:44
9:00
#17797
23M
23.00 mi13:45:433:18:088:3711:33
9:13
#17751
24M
24.00 mi13:54:253:26:508:378:42
8:42
#17648
40K
24.85 mi14:02:083:34:338:387:43
9:02
#17589
25.2M
25.20 mi14:05:223:37:478:393:14
9:23
#17529
Finish
26.22 mi14:13:363:46:018:388:14
8:05
#17389
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi165045455545518234(Top 64%)6459(Top 53%)6459(Top 118%)
10K6.21 mi3.10 mi17341-8375936-4815936-48118140(Top 64%)6386(Top 52%)6386(Top 117%)
15K9.32 mi3.11 mi17655-3146116-1806116-18018234(Top 64%)6459(Top 53%)6459(Top 118%)
20K12.43 mi3.11 mi17334+3215936+1805936+18016611(Top 58%)5556(Top 45%)5556(Top 102%)
Half13.11 mi0.68 mi17287+475921+155921+1516761(Top 59%)5636(Top 46%)5636(Top 103%)
25K15.53 mi2.42 mi17335-485961-405961-4017846(Top 63%)6340(Top 52%)6340(Top 116%)
30K18.64 mi3.11 mi17563-2286163-2026163-20218620(Top 66%)6901(Top 56%)6901(Top 126%)
20M20.00 mi1.36 mi17750-1876293-1306293-13019632(Top 69%)7592(Top 62%)7592(Top 139%)
21M21.00 mi1.00 mi17782-326314-216314-2118121(Top 64%)6858(Top 56%)6858(Top 125%)
35K21.75 mi0.75 mi17797-156331-176331-1718244(Top 64%)7036(Top 58%)7036(Top 129%)
23M23.00 mi1.25 mi17751+466359-286359-2817456(Top 61%)6694(Top 55%)6694(Top 122%)
24M24.00 mi1.00 mi17648+1036326+336326+3315777(Top 56%)5795(Top 47%)5795(Top 106%)
40K24.85 mi0.85 mi17589+596327-16327-116481(Top 58%)6304(Top 52%)6304(Top 115%)
25.2M25.20 mi0.35 mi17529+606309+186309+1813989(Top 49%)5032(Top 41%)5032(Top 92%)
Finish26.22 mi1.02 mi17389+1406251+586251+5813494(Top 48%)4702(Top 38%)4702(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18234

Females

6459

F18-39

6459

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18140

Females

6386

F18-39

6386

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18234

Females

6459

F18-39

6459

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16611

Females

5556

F18-39

5556

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

16761

Females

5636

F18-39

5636

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17846

Females

6340

F18-39

6340

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18620

Females

6901

F18-39

6901

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19632

Females

7592

F18-39

7592

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18121

Females

6858

F18-39

6858

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18244

Females

7036

F18-39

7036

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17456

Females

6694

F18-39

6694

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15777

Females

5795

F18-39

5795

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16481

Females

6304

F18-39

6304

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13989

Females

5032

F18-39

5032

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13494

Females

4702

F18-39

4702

Passing Analysis

Category:
Athletes Passed
1695
Passed By
2580
Net Change
-885
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16504
5K → 10K74911-837#16504#17341
10K → 15K102416-314#17341#17655
15K → 20K36645+321#17655#17334
20K → Half6013+47#17334#17287
Half → 25K153201-48#17287#17335
25K → 30K154382-228#17335#17563
30K → 20M73260-187#17563#17750
20M → 21M89121-32#17750#17782
21M → 35K6075-15#17782#17797
35K → 23M12983+46#17797#17751
23M → 24M12724+103#17751#17648
24M → 40K9738+59#17648#17589
40K → 25.2M644+60#17589#17529
25.2M → Finish1477+140#17529#17389
TOTALS16952580-885
📊

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