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BOSTON MARATHON 2025

Kristen Ferlisi

Bib: 26533•F

MA

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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Age Group (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
34:02
Rank: #27511
Start → 5K
34:02 | 10:57/mi
10K· 6.21 mi
1:08:26
Rank: #27329 (+182)
5K → 10K
34:24 | 11:04/mi
15K· 9.32 mi
1:42:55
Rank: #27130 (+199)
10K → 15K
34:29 | 11:06/mi
20K· 12.43 mi
2:18:37
Rank: #26996 (+134)
15K → 20K
35:42 | 11:29/mi
Half· 13.11 mi
2:26:07
Rank: #26962 (+34)
20K → Half
7:30 | 11:00/mi
25K· 15.53 mi
2:55:51
Rank: #26934 (+28)
Half → 25K
29:44 | 12:16/mi
30K· 18.64 mi
3:38:07
Rank: #27017 (-83)
25K → 30K
42:16 | 13:36/mi
20M
3:56:24
Rank: #27013 (+4)
30K → 20M
18:17 | 13:27/mi
21M
4:10:29
Rank: #26995 (+18)
20M → 21M
14:05 | 14:05/mi
35K· 21.75 mi
4:22:27
Rank: #27093 (-98)
21M → 35K
11:58 | 16:00/mi
23M
4:40:41
Rank: #27155 (-62)
35K → 23M
18:14 | 14:34/mi
24M
4:54:42
Rank: #27189 (-34)
23M → 24M
14:01 | 14:01/mi
40K· 24.85 mi
5:06:26
Rank: #27205 (-16)
24M → 40K
11:44 | 13:43/mi
25.2M
5:11:45
Rank: #27213 (-8)
40K → 25.2M
5:19 | 15:25/mi
Finish· 26.22 mi
5:22:43
Rank: #27155 (+58)
25.2M → Finish
10:58 | 10:46/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time2:26:07
Pace11:09 /mi
2nd Half
Distance13.11 mi
Time2:56:36
Pace13:28 /mi
📊Positive Split: 20.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3034:0210:5734:02
10:57
-
10K
6.21 mi12:28:541:08:2611:0134:24
11:04
+0:07
15K
9.32 mi13:03:231:42:5511:0334:29
11:06
+0:02
20K
12.43 mi13:39:052:18:3711:0935:42
11:29
+0:23
Half
13.11 mi13:46:352:26:0711:097:30
11:00
-0:29
25K
15.53 mi14:16:192:55:5111:1929:44
12:16
+1:16
30K
18.64 mi14:58:353:38:0711:4242:16
13:36
+1:20
20M
20.00 mi15:16:523:56:2411:4918:17
13:27
-0:09
21M
21.00 mi15:30:574:10:2911:5614:05
14:05
+0:38
35K
21.75 mi15:42:554:22:2712:0411:58
16:00
+1:55
23M
23.00 mi16:01:094:40:4112:1218:14
14:34
-1:26
24M
24.00 mi16:15:104:54:4212:1714:01
14:01
-0:33
40K
24.85 mi16:26:545:06:2612:2011:44
13:43
-0:18
25.2M
25.20 mi16:32:135:11:4512:225:19
15:25
+1:42
Finish
26.22 mi16:43:115:22:4312:1910:58
10:46
-4:39

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

10:46 /mi

Average Pace

12:19 /mi

Slowest Pace

16:00 /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

3:06:49

58% of race

Time at Steady Pace

1:40:23

31% of race

Time at Slower Pace

35:31

11% of race

Average Pace: 12:18 /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 mi11:54:3034:0210:5734:02
10:57
#27511
10K
6.21 mi12:28:541:08:2611:0134:24
11:04
#27329
15K
9.32 mi13:03:231:42:5511:0334:29
11:06
#27130
20K
12.43 mi13:39:052:18:3711:0935:42
11:29
#26996
Half
13.11 mi13:46:352:26:0711:097:30
11:00
#26962
25K
15.53 mi14:16:192:55:5111:1929:44
12:16
#26934
30K
18.64 mi14:58:353:38:0711:4242:16
13:36
#27017
20M
20.00 mi15:16:523:56:2411:4918:17
13:27
#27013
21M
21.00 mi15:30:574:10:2911:5614:05
14:05
#26995
35K
21.75 mi15:42:554:22:2712:0411:58
16:00
#27093
23M
23.00 mi16:01:094:40:4112:1218:14
14:34
#27155
24M
24.00 mi16:15:104:54:4212:1714:01
14:01
#27189
40K
24.85 mi16:26:545:06:2612:2011:44
13:43
#27205
25.2M
25.20 mi16:32:135:11:4512:225:19
15:25
#27213
Finish
26.22 mi16:43:115:22:4312:1910:58
10:46
#27155
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27511116531165326798(Top 94%)11253(Top 92%)11253(Top 206%)
10K6.21 mi3.10 mi27329+18211549+10411549+10427153(Top 96%)11454(Top 94%)11454(Top 209%)
15K9.32 mi3.11 mi27130+19911432+11711432+11726798(Top 94%)11253(Top 92%)11253(Top 206%)
20K12.43 mi3.11 mi26996+13411365+6711365+6726615(Top 94%)11169(Top 91%)11169(Top 204%)
Half13.11 mi0.68 mi26962+3411353+1211353+1226477(Top 93%)11113(Top 91%)11113(Top 203%)
25K15.53 mi2.42 mi26934+2811342+1111342+1126704(Top 94%)11252(Top 92%)11252(Top 206%)
30K18.64 mi3.11 mi27017-8311402-6011402-6027205(Top 96%)11609(Top 95%)11609(Top 212%)
20M20.00 mi1.36 mi27013+411410-811410-826844(Top 95%)11472(Top 94%)11472(Top 210%)
21M21.00 mi1.00 mi26995+1811408+211408+226306(Top 93%)11213(Top 92%)11213(Top 205%)
35K21.75 mi0.75 mi27093-9811473-6511473-6528235(Top 99%)12168(Top 100%)12168(Top 222%)
23M23.00 mi1.25 mi27155-6211517-4411517-4427680(Top 97%)11944(Top 98%)11944(Top 218%)
24M24.00 mi1.00 mi27189-3411548-3111548-3127651(Top 97%)11965(Top 98%)11965(Top 219%)
40K24.85 mi0.85 mi27205-1611557-911557-926955(Top 95%)11621(Top 95%)11621(Top 212%)
25.2M25.20 mi0.35 mi27213-811563-611563-627385(Top 96%)11840(Top 97%)11840(Top 216%)
Finish26.22 mi1.02 mi27155+5811538+2511538+2524856(Top 88%)10597(Top 87%)10597(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26798

Females

11253

F18-39

11253

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

27153

Females

11454

F18-39

11454

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26798

Females

11253

F18-39

11253

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

26615

Females

11169

F18-39

11169

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26477

Females

11113

F18-39

11113

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

26704

Females

11252

F18-39

11252

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27205

Females

11609

F18-39

11609

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

26844

Females

11472

F18-39

11472

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

26306

Females

11213

F18-39

11213

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

28235

Females

12168

F18-39

12168

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

27680

Females

11944

F18-39

11944

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27651

Females

11965

F18-39

11965

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

26955

Females

11621

F18-39

11621

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27385

Females

11840

F18-39

11840

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

24856

Females

10597

F18-39

10597

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
953
Passed By
597
Net Change
+356
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27511
5K → 10K22139+182#27511#27329
10K → 15K22122+199#27329#27130
15K → 20K17844+134#27130#26996
20K → Half417+34#26996#26962
Half → 25K7547+28#26962#26934
25K → 30K48131-83#26934#27017
30K → 20M3935+4#27017#27013
20M → 21M3214+18#27013#26995
21M → 35K2100-98#26995#27093
35K → 23M769-62#27093#27155
23M → 24M1246-34#27155#27189
24M → 40K1127-16#27189#27205
40K → 25.2M816-8#27205#27213
25.2M → Finish580+58#27213#27155
TOTALS953597+356
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing