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BOSTON MARATHON 2025

Kelsie Ashleson

Bib: 13420•F

WI

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
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
8:04/mi
25:05
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
50:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:15:07
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:40:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:45:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:05:05
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:31:10
↑ 181↓ 1480.2%
20M
8:26/mi
2:42:38
↑ 64↓ 500.2%
21M
8:52/mi
2:51:30
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:57:44
↑ 17↓ 861.7%
23M
8:19/mi
3:08:09
↑ 23↓ 630.6%
24M
8:13/mi
3:16:22
↓ 821.3%
40K· 24.85 mi
8:30/mi
3:23:38
↓ 200.3%
25.2M
9:17/mi
3:26:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:13/mi
3:35:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:33
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:49:39
Pace8:22 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5925:058:0425:05
8:04
-
10K
6.21 mi11:20:0350:098:0425:04
8:04
0:00
15K
9.32 mi11:45:011:15:078:0424:58
8:02
-0:02
20K
12.43 mi12:10:021:40:088:0325:01
8:03
+0:01
Half
13.11 mi12:15:271:45:338:035:25
7:56
-0:07
25K
15.53 mi12:34:592:05:058:0319:32
8:03
+0:07
30K
18.64 mi13:01:042:31:108:0726:05
8:24
+0:21
20M
20.00 mi13:12:322:42:388:0811:28
8:26
+0:02
21M
21.00 mi13:21:242:51:308:108:52
8:52
+0:26
35K
21.75 mi13:27:382:57:448:106:14
8:20
-0:32
23M
23.00 mi13:38:033:08:098:1110:25
8:19
-0:01
24M
24.00 mi13:46:163:16:228:118:13
8:13
-0:06
40K
24.85 mi13:53:323:23:388:127:16
8:30
+0:17
25.2M
25.20 mi13:56:443:26:508:123:12
9:17
+0:47
Finish
26.22 mi14:05:063:35:128:138:22
8:13
-1:04

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

7:56 /mi

Average Pace

8:13 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:08

94% of race

Time at Steady Pace

12:04

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi10:54:5925:058:0425:05
8:04
#17177
10K
6.21 mi11:20:0350:098:0425:04
8:04
#17040
15K
9.32 mi11:45:011:15:078:0424:58
8:02
#16774
20K
12.43 mi12:10:021:40:088:0325:01
8:03
#16364
Half
13.11 mi12:15:271:45:338:035:25
7:56
#16315
25K
15.53 mi12:34:592:05:058:0319:32
8:03
#15961
30K
18.64 mi13:01:042:31:108:0726:05
8:24
#15591
20M
20.00 mi13:12:322:42:388:0811:28
8:26
#15376
21M
21.00 mi13:21:242:51:308:108:52
8:52
#15148
35K
21.75 mi13:27:382:57:448:106:14
8:20
#15099
23M
23.00 mi13:38:033:08:098:1110:25
8:19
#14875
24M
24.00 mi13:46:163:16:228:118:13
8:13
#14767
40K
24.85 mi13:53:323:23:388:127:16
8:30
#14688
25.2M
25.20 mi13:56:443:26:508:123:12
9:17
#14652
Finish
26.22 mi14:05:063:35:128:138:22
8:13
#14616
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi171775838583816327(Top 57%)5327(Top 44%)5327(Top 97%)
10K6.21 mi3.10 mi17040+1375747+915747+9116979(Top 60%)5691(Top 47%)5691(Top 104%)
15K9.32 mi3.11 mi16774+2665595+1525595+15216327(Top 57%)5327(Top 44%)5327(Top 97%)
20K12.43 mi3.11 mi16364+4105360+2355360+23515305(Top 54%)4803(Top 39%)4803(Top 88%)
Half13.11 mi0.68 mi16315+495335+255335+2515475(Top 54%)4875(Top 40%)4875(Top 89%)
25K15.53 mi2.42 mi15961+3545142+1935142+19314337(Top 50%)4390(Top 36%)4390(Top 80%)
30K18.64 mi3.11 mi15591+3704993+1494993+14914122(Top 50%)4446(Top 36%)4446(Top 81%)
20M20.00 mi1.36 mi15376+2154911+824911+8213422(Top 47%)4208(Top 34%)4208(Top 77%)
21M21.00 mi1.00 mi15148+2284807+1044807+10412751(Top 45%)4012(Top 33%)4012(Top 73%)
35K21.75 mi0.75 mi15099+494797+104797+1014504(Top 51%)4958(Top 41%)4958(Top 91%)
23M23.00 mi1.25 mi14875+2244692+1054692+10512192(Top 43%)3849(Top 31%)3849(Top 70%)
24M24.00 mi1.00 mi14767+1084670+224670+2212731(Top 45%)4186(Top 34%)4186(Top 77%)
40K24.85 mi0.85 mi14688+794655+154655+1513449(Top 47%)4676(Top 38%)4676(Top 86%)
25.2M25.20 mi0.35 mi14652+364642+134642+1313406(Top 47%)4715(Top 39%)4715(Top 86%)
Finish26.22 mi1.02 mi14616+364655-134655-1314353(Top 51%)5126(Top 42%)5126(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16327

Females

5327

F18-39

5327

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16979

Females

5691

F18-39

5691

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16327

Females

5327

F18-39

5327

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15305

Females

4803

F18-39

4803

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15475

Females

4875

F18-39

4875

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14337

Females

4390

F18-39

4390

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14122

Females

4446

F18-39

4446

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13422

Females

4208

F18-39

4208

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12751

Females

4012

F18-39

4012

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14504

Females

4958

F18-39

4958

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12192

Females

3849

F18-39

3849

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12731

Females

4186

F18-39

4186

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13449

Females

4676

F18-39

4676

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13406

Females

4715

F18-39

4715

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

14353

Females

5126

F18-39

5126

Passing Analysis

Category:
Athletes Passed
3207
Passed By
646
Net Change
+2561
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17177
5K → 10K368231+137#17177#17040
10K → 15K34882+266#17040#16774
15K → 20K45343+410#16774#16364
20K → Half6415+49#16364#16315
Half → 25K37117+354#16315#15961
25K → 30K43161+370#15961#15591
30K → 20M23217+215#15591#15376
20M → 21M24416+228#15376#15148
21M → 35K7526+49#15148#15099
35K → 23M24117+224#15099#14875
23M → 24M13224+108#14875#14767
24M → 40K10627+79#14767#14688
40K → 25.2M5519+36#14688#14652
25.2M → Finish8751+36#14652#14616
TOTALS3207646+2561
📊

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