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BOSTON MARATHON 2025

Kayelyn Schmitzer

NC

Bib: 17139 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:17/mi
25:44
↑ 97↓ 345
10K· 6.21 mi
8:13/mi
51:17
↑ 79↓ 138
15K· 9.32 mi
8:42/mi
1:18:19
↑ 67↓ 78
20K· 12.43 mi
8:58/mi
1:46:09
↑ 106↓ 86
Half· 13.11 mi
8:27/mi
1:51:55
↑ 19↓ 37
25K· 15.53 mi
9:25/mi
2:14:44
↑ 66↓ 88
30K· 18.64 mi
9:34/mi
2:44:26
↑ 181↓ 148
20M
9:15/mi
2:57:00
↑ 64↓ 50
21M
9:32/mi
3:06:32
↑ 106↓ 24
35K· 21.75 mi
8:48/mi
3:13:07
↑ 17↓ 86
23M
11:21/mi
3:27:20
↑ 23↓ 63
24M
8:47/mi
3:36:07
↓ 82
40K· 24.85 mi
9:16/mi
3:44:02
↓ 20
25.2M
9:37/mi
3:47:21
↑ 13↓ 16
Finish· 26.22 mi
8:39/mi
3:56:10
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:51:558:32 /mi⚡ faster
2nd Half
2:04:159:29 /mi+11.0%
Positive split — 11.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:448:173.11 mi25:44
8:17
-
10K
51:178:153.10 mi25:33
8:13
-0:04
15K
1:18:198:243.11 mi27:02
8:42
+0:29
20K
1:46:098:323.11 mi27:50
8:58
+0:16
Half(13.11 mi)
1:51:558:320.68 mi5:46
8:27
-0:31
25K
2:14:448:402.42 mi22:49
9:25
+0:58
30K
2:44:268:493.11 mi29:42
9:34
+0:09
20M
2:57:008:511.36 mi12:34
9:15
-0:19
21M
3:06:328:531.00 mi9:32
9:32
+0:17
35K
3:13:078:530.75 mi6:35
8:48
-0:44
23M
3:27:209:011.25 mi14:13
11:21
+2:33
24M
3:36:079:001.00 mi8:47
8:47
-2:34
40K
3:44:029:010.85 mi7:55
9:16
+0:29
25.2M
3:47:219:010.35 mi3:19
9:37
+0:21
Finish(26.22 mi)
3:56:109:011.02 mi8:49
8:39
-0:58
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:13 /mi

Average Pace

9:01 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

57:03

24% of race

Time at Steady Pace

1:39:32

42% of race

Time at Slower Pace

1:19:35

34% of race

Average Pace: 9:00 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi18618669566952050477147714
10K3.10 mi18337+2816528+1676528+1671808663556355
15K3.11 mi19041-7046937-4096937-4092050477147714
20K3.11 mi19546-5057214-2777214-2772076879277927
Half(13.11 mi)0.68 mi19503+437195+197195+191896368866886
25K2.42 mi19905-4027426-2317426-2312158184088408
30K3.11 mi19989-847519-937519-932018577527752
20M1.36 mi19837+1527455+647455+641805567506750
21M1.00 mi19619+2187358+977358+971626358595859
35K0.75 mi19532+877324+347324+341730265376537
23M1.25 mi19988-4567611-2877611-287240011009610096
24M1.00 mi19829+1597550+617550+611626860946094
40K0.85 mi19744+857516+347516+341768469716971
25.2M0.35 mi19681+637495+217495+211529857395739
Finish(26.22 mi)1.02 mi19588+937462+337462+331721166736673

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20504

Females

7714

F18-39

7714

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18086

Females

6355

F18-39

6355

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20504

Females

7714

F18-39

7714

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20768

Females

7927

F18-39

7927

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

18963

Females

6886

F18-39

6886

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21581

Females

8408

F18-39

8408

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20185

Females

7752

F18-39

7752

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18055

Females

6750

F18-39

6750

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16263

Females

5859

F18-39

5859

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17302

Females

6537

F18-39

6537

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

24001

Females

10096

F18-39

10096

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

16268

Females

6094

F18-39

6094

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17684

Females

6971

F18-39

6971

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15298

Females

5739

F18-39

5739

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

17211

Females

6673

F18-39

6673

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#18618
5K → 10K
149430+281
#18618 → #18337
10K → 15K
74642-704
#18337 → #19041
15K → 20K
57873-505
#19041 → #19546
20K → Half
1457+43
#19546 → #19503
Half → 25K
46462-402
#19503 → #19905
25K → 30K
275191-84
#19905 → #19989
30K → 20M
40192+152
#19989 → #19837
20M → 21M
17235+218
#19837 → #19619
21M → 35K
1198+87
#19619 → #19532
35K → 23M
48125-456
#19532 → #19988
23M → 24M
6165+159
#19988 → #19829
24M → 40K
15100+85
#19829 → #19744
40K → 25.2M
265+63
#19744 → #19681
25.2M → Finish
21114+93
#19681 → #19588
TOTALS
28191849-970
#18618 → #19588

Passing Visualized

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