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BOSTON MARATHON 2025

Nikki Liston

Bib: 29627•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
35:50
Rank: #28039
Start → 5K
35:50 | 11:32/mi
10K· 6.21 mi
1:13:25
Rank: #28039
5K → 10K
37:35 | 12:06/mi
15K· 9.32 mi
1:47:50
Rank: #27702 (+337)
10K → 15K
34:25 | 11:05/mi
20K· 12.43 mi
2:24:32
Rank: #27507 (+195)
15K → 20K
36:42 | 11:49/mi
Half· 13.11 mi
2:32:09
Rank: #27470 (+37)
20K → Half
7:37 | 11:10/mi
25K· 15.53 mi
3:03:52
Rank: #27457 (+13)
Half → 25K
31:43 | 13:05/mi
30K· 18.64 mi
3:42:42
Rank: #27243 (+214)
25K → 30K
38:50 | 12:30/mi
20M
3:59:27
Rank: #27162 (+81)
30K → 20M
16:45 | 12:20/mi
21M
4:13:47
Rank: #27138 (+24)
20M → 21M
14:20 | 14:20/mi
35K· 21.75 mi
4:22:29
Rank: #27096 (+42)
21M → 35K
8:42 | 11:38/mi
23M
4:38:20
Rank: #27072 (+24)
35K → 23M
15:51 | 12:40/mi
24M
4:50:25
Rank: #27026 (+46)
23M → 24M
12:05 | 12:05/mi
40K· 24.85 mi
5:00:45
Rank: #26974 (+52)
24M → 40K
10:20 | 12:05/mi
25.2M
5:05:13
Rank: #26957 (+17)
40K → 25.2M
4:28 | 12:57/mi
Finish· 26.22 mi
5:17:00
Rank: #26934 (+23)
25.2M → Finish
11:47 | 11:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:09
Pace11:36 /mi
2nd Half
Distance13.11 mi
Time2:44:51
Pace12:35 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:0835:5011:3235:50
11:32
-
10K
6.21 mi12:34:431:13:2511:4937:35
12:06
+0:34
15K
9.32 mi13:09:081:47:5011:3434:25
11:05
-1:01
20K
12.43 mi13:45:502:24:3211:3836:42
11:49
+0:44
Half
13.11 mi13:53:272:32:0911:367:37
11:10
-0:39
25K
15.53 mi14:25:103:03:5211:5031:43
13:05
+1:55
30K
18.64 mi15:04:003:42:4211:5738:50
12:30
-0:35
20M
20.00 mi15:20:453:59:2711:5816:45
12:20
-0:10
21M
21.00 mi15:35:054:13:4712:0514:20
14:20
+2:00
35K
21.75 mi15:43:474:22:2912:048:42
11:38
-2:42
23M
23.00 mi15:59:384:38:2012:0615:51
12:40
+1:02
24M
24.00 mi16:11:434:50:2512:0612:05
12:05
-0:35
40K
24.85 mi16:22:035:00:4512:0610:20
12:05
0:00
25.2M
25.20 mi16:26:315:05:1312:074:28
12:57
+0:52
Finish
26.22 mi16:38:185:17:0012:0611:47
11:34
-1:23

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

11:05 /mi

Average Pace

12:06 /mi

Slowest Pace

14:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:21

31% of race

Time at Steady Pace

1:53:27

36% of race

Time at Slower Pace

1:45:12

33% of race

Average Pace: 12:05 /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 mi11:57:0835:5011:3235:50
11:32
#28039
10K
6.21 mi12:34:431:13:2511:4937:35
12:06
#28039
15K
9.32 mi13:09:081:47:5011:3434:25
11:05
#27702
20K
12.43 mi13:45:502:24:3211:3836:42
11:49
#27507
Half
13.11 mi13:53:272:32:0911:367:37
11:10
#27470
25K
15.53 mi14:25:103:03:5211:5031:43
13:05
#27457
30K
18.64 mi15:04:003:42:4211:5738:50
12:30
#27243
20M
20.00 mi15:20:453:59:2711:5816:45
12:20
#27162
21M
21.00 mi15:35:054:13:4712:0514:20
14:20
#27138
35K
21.75 mi15:43:474:22:2912:048:42
11:38
#27096
23M
23.00 mi15:59:384:38:2012:0615:51
12:40
#27072
24M
24.00 mi16:11:434:50:2512:0612:05
12:05
#27026
40K
24.85 mi16:22:035:00:4512:0610:20
12:05
#26974
25.2M
25.20 mi16:26:315:05:1312:074:28
12:57
#26957
Finish
26.22 mi16:38:185:17:0012:0611:47
11:34
#26934
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28039119831198326764(Top 94%)11235(Top 92%)11235(Top 205%)
10K6.21 mi3.10 mi2803911992-911992-927990(Top 99%)11966(Top 98%)11966(Top 219%)
15K9.32 mi3.11 mi27702+33711784+20811784+20826764(Top 94%)11235(Top 92%)11235(Top 205%)
20K12.43 mi3.11 mi27507+19511667+11711667+11726943(Top 95%)11360(Top 93%)11360(Top 208%)
Half13.11 mi0.68 mi27470+3711644+2311644+2326722(Top 94%)11254(Top 92%)11254(Top 206%)
25K15.53 mi2.42 mi27457+1311655-1111655-1127343(Top 96%)11617(Top 95%)11617(Top 212%)
30K18.64 mi3.11 mi27243+21411547+10811547+10826180(Top 92%)11047(Top 90%)11047(Top 202%)
20M20.00 mi1.36 mi27162+8111500+4711500+4725709(Top 91%)10856(Top 89%)10856(Top 199%)
21M21.00 mi1.00 mi27138+2411492+811492+826554(Top 93%)11341(Top 93%)11341(Top 207%)
35K21.75 mi0.75 mi27096+4211475+1711475+1725294(Top 89%)10745(Top 88%)10745(Top 196%)
23M23.00 mi1.25 mi27072+2411466+911466+925991(Top 92%)11092(Top 91%)11092(Top 203%)
24M24.00 mi1.00 mi27026+4611450+1611450+1625763(Top 91%)11011(Top 90%)11011(Top 201%)
40K24.85 mi0.85 mi26974+5211426+2411426+2425065(Top 88%)10702(Top 88%)10702(Top 196%)
25.2M25.20 mi0.35 mi26957+1711419+711419+724937(Top 88%)10659(Top 87%)10659(Top 195%)
Finish26.22 mi1.02 mi26934+2311410+911410+926223(Top 92%)11262(Top 92%)11262(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26764

Females

11235

F18-39

11235

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

27990

Females

11966

F18-39

11966

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26764

Females

11235

F18-39

11235

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

26943

Females

11360

F18-39

11360

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

26722

Females

11254

F18-39

11254

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

27343

Females

11617

F18-39

11617

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

26180

Females

11047

F18-39

11047

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

25709

Females

10856

F18-39

10856

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

26554

Females

11341

F18-39

11341

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

25294

Females

10745

F18-39

10745

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

25991

Females

11092

F18-39

11092

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

25763

Females

11011

F18-39

11011

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

25065

Females

10702

F18-39

10702

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

24937

Females

10659

F18-39

10659

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

26223

Females

11262

F18-39

11262

Passing Analysis

Category:
Athletes Passed
1304
Passed By
199
Net Change
+1105
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28039
5K → 10K72720#28039#28039
10K → 15K3381+337#28039#27702
15K → 20K20510+195#27702#27507
20K → Half381+37#27507#27470
Half → 25K7158+13#27470#27457
25K → 30K2206+214#27457#27243
30K → 20M865+81#27243#27162
20M → 21M3713+24#27162#27138
21M → 35K431+42#27138#27096
35K → 23M3814+24#27096#27072
23M → 24M537+46#27072#27026
24M → 40K531+52#27026#26974
40K → 25.2M192+17#26974#26957
25.2M → Finish318+23#26957#26934
TOTALS1304199+1105
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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