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BOSTON MARATHON 2025

Kali Otis

Bib: 14655•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Division (F18-39)
#0 / 5469
Top 49%
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
7:35/mi
23:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
46:30
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:09:24
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:33:56
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:39:12
↑ 19↓ 370.5%
25K· 15.53 mi
8:11/mi
1:59:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:24:26
↑ 181↓ 1480.2%
20M
9:13/mi
2:36:58
↑ 64↓ 500.2%
21M
8:45/mi
2:45:43
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:51:43
↑ 17↓ 861.7%
23M
8:30/mi
3:02:21
↑ 23↓ 630.6%
24M
8:11/mi
3:10:32
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:17:40
↓ 200.3%
25.2M
9:08/mi
3:20:49
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:29:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:12
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:49:54
Pace8:23 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0723:347:3523:34
7:35
-
10K
6.21 mi11:16:0346:307:2922:56
7:23
-0:12
15K
9.32 mi11:38:571:09:247:2722:54
7:22
-0:01
20K
12.43 mi12:03:291:33:567:3424:32
7:54
+0:32
Half
13.11 mi12:08:451:39:127:345:16
7:43
-0:11
25K
15.53 mi12:28:361:59:037:4019:51
8:11
+0:28
30K
18.64 mi12:53:592:24:267:4525:23
8:10
-0:01
20M
20.00 mi13:06:312:36:587:5112:32
9:13
+1:03
21M
21.00 mi13:15:162:45:437:538:45
8:45
-0:28
35K
21.75 mi13:21:162:51:437:546:00
8:01
-0:44
23M
23.00 mi13:31:543:02:217:5610:38
8:30
+0:29
24M
24.00 mi13:40:053:10:327:568:11
8:11
-0:19
40K
24.85 mi13:47:133:17:407:577:08
8:21
+0:10
25.2M
25.20 mi13:50:223:20:497:583:09
9:08
+0:47
Finish
26.22 mi13:58:393:29:067:598:17
8:08
-1:00

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

7:22 /mi

Average Pace

7:59 /mi

Slowest Pace

9:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:40

36% of race

Time at Steady Pace

1:39:22

48% of race

Time at Slower Pace

35:04

17% of race

Average Pace: 7:58 /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 mi10:53:0723:347:3523:34
7:35
#13003
10K
6.21 mi11:16:0346:307:2922:56
7:23
#11999
15K
9.32 mi11:38:571:09:247:2722:54
7:22
#11501
20K
12.43 mi12:03:291:33:567:3424:32
7:54
#12155
Half
13.11 mi12:08:451:39:127:345:16
7:43
#12226
25K
15.53 mi12:28:361:59:037:4019:51
8:11
#12708
30K
18.64 mi12:53:592:24:267:4525:23
8:10
#12648
20M
20.00 mi13:06:312:36:587:5112:32
9:13
#13117
21M
21.00 mi13:15:162:45:437:538:45
8:45
#13015
35K
21.75 mi13:21:162:51:437:546:00
8:01
#12994
23M
23.00 mi13:31:543:02:217:5610:38
8:30
#12989
24M
24.00 mi13:40:053:10:327:568:11
8:11
#12962
40K
24.85 mi13:47:133:17:407:577:08
8:21
#12927
25.2M
25.20 mi13:50:223:20:497:583:09
9:08
#12920
Finish
26.22 mi13:58:393:29:067:598:17
8:08
#12942
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130033318331810624(Top 37%)2189(Top 18%)2189(Top 40%)
10K6.21 mi3.10 mi11999+10042815+5032815+50311044(Top 39%)2331(Top 19%)2331(Top 43%)
15K9.32 mi3.11 mi11501+4982583+2322583+23210624(Top 37%)2189(Top 18%)2189(Top 40%)
20K12.43 mi3.11 mi12155-6542955-3722955-37214067(Top 50%)4127(Top 34%)4127(Top 75%)
Half13.11 mi0.68 mi12226-713004-493004-4913619(Top 48%)3841(Top 31%)3841(Top 70%)
25K15.53 mi2.42 mi12708-4823311-3073311-30715235(Top 54%)4863(Top 40%)4863(Top 89%)
30K18.64 mi3.11 mi12648+603350-393350-3912609(Top 44%)3625(Top 30%)3625(Top 66%)
20M20.00 mi1.36 mi13117-4693644-2943644-29417889(Top 63%)6638(Top 54%)6638(Top 121%)
21M21.00 mi1.00 mi13015+1023622+223622+2212016(Top 42%)3609(Top 30%)3609(Top 66%)
35K21.75 mi0.75 mi12994+213619+33619+312426(Top 44%)3861(Top 32%)3861(Top 71%)
23M23.00 mi1.25 mi12989+53661-423661-4213279(Top 47%)4417(Top 36%)4417(Top 81%)
24M24.00 mi1.00 mi12962+273685-243685-2412479(Top 44%)4033(Top 33%)4033(Top 74%)
40K24.85 mi0.85 mi12927+353696-113696-1112442(Top 44%)4151(Top 34%)4151(Top 76%)
25.2M25.20 mi0.35 mi12920+73698-23698-212604(Top 44%)4283(Top 35%)4283(Top 78%)
Finish26.22 mi1.02 mi12942-223730-323730-3213806(Top 49%)4852(Top 40%)4852(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

10624

Females

2189

F18-39

2189

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

11044

Females

2331

F18-39

2331

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

10624

Females

2189

F18-39

2189

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14067

Females

4127

F18-39

4127

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13619

Females

3841

F18-39

3841

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15235

Females

4863

F18-39

4863

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12609

Females

3625

F18-39

3625

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17889

Females

6638

F18-39

6638

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

12016

Females

3609

F18-39

3609

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12426

Females

3861

F18-39

3861

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13279

Females

4417

F18-39

4417

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

12479

Females

4033

F18-39

4033

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12442

Females

4151

F18-39

4151

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12604

Females

4283

F18-39

4283

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13806

Females

4852

F18-39

4852

Passing Analysis

Category:
Athletes Passed
2604
Passed By
2543
Net Change
+61
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13003
5K → 10K103935+1004#13003#11999
10K → 15K52022+498#11999#11501
15K → 20K58712-654#11501#12155
20K → Half980-71#12155#12226
Half → 25K65547-482#12226#12708
25K → 30K257197+60#12708#12648
30K → 20M46515-469#12648#13117
20M → 21M15856+102#13117#13015
21M → 35K5938+21#13015#12994
35K → 23M116111+5#12994#12989
23M → 24M9265+27#12989#12962
24M → 40K8146+35#12962#12927
40K → 25.2M3730+7#12927#12920
25.2M → Finish6789-22#12920#12942
TOTALS26042543+61
📊

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