Boston Marathon logo
BOSTON MARATHON 2025

Elizabeth Kalafut

Bib: 14296•F

IL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 41%
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
23:05
Rank: #11639
Start → 5K
23:05 | 7:26/mi
10K· 6.21 mi
46:44
Rank: #12330 (-691)
5K → 10K
23:39 | 7:37/mi
15K· 9.32 mi
1:10:47
Rank: #12816 (-486)
10K → 15K
24:03 | 7:44/mi
20K· 12.43 mi
1:35:02
Rank: #12905 (-89)
15K → 20K
24:15 | 7:48/mi
Half· 13.11 mi
1:40:20
Rank: #12940 (-35)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
1:59:43
Rank: #13080 (-140)
Half → 25K
19:23 | 8:00/mi
30K· 18.64 mi
2:26:39
Rank: #13622 (-542)
25K → 30K
26:56 | 8:40/mi
20M
2:39:29
Rank: #14109 (-487)
30K → 20M
12:50 | 9:27/mi
21M
2:49:59
Rank: #14645 (-536)
20M → 21M
10:30 | 10:30/mi
35K· 21.75 mi
2:56:27
Rank: #14674 (-29)
21M → 35K
6:28 | 8:39/mi
23M
3:07:33
Rank: #14698 (-24)
35K → 23M
11:06 | 8:52/mi
24M
3:16:27
Rank: #14786 (-88)
23M → 24M
8:54 | 8:54/mi
40K· 24.85 mi
3:23:56
Rank: #14783 (+3)
24M → 40K
7:29 | 8:45/mi
25.2M
3:27:31
Rank: #14843 (-60)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:37:20
Rank: #15221 (-378)
25.2M → Finish
9:49 | 9:38/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:20
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:57:00
Pace8:56 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2923:057:2623:05
7:26
-
10K
6.21 mi11:18:0846:447:3123:39
7:37
+0:11
15K
9.32 mi11:42:111:10:477:3624:03
7:44
+0:07
20K
12.43 mi12:06:261:35:027:3924:15
7:48
+0:04
Half
13.11 mi12:11:441:40:207:395:18
7:46
-0:02
25K
15.53 mi12:31:071:59:437:4219:23
8:00
+0:14
30K
18.64 mi12:58:032:26:397:5226:56
8:40
+0:40
20M
20.00 mi13:10:532:39:297:5812:50
9:27
+0:47
21M
21.00 mi13:21:232:49:598:0610:30
10:30
+1:03
35K
21.75 mi13:27:512:56:278:076:28
8:39
-1:51
23M
23.00 mi13:38:573:07:338:0911:06
8:52
+0:13
24M
24.00 mi13:47:513:16:278:118:54
8:54
+0:02
40K
24.85 mi13:55:203:23:568:127:29
8:45
-0:09
25.2M
25.20 mi13:58:553:27:318:143:35
10:23
+1:38
Finish
26.22 mi14:08:443:37:208:189:49
9:38
-0:45

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

7:26 /mi

Average Pace

8:18 /mi

Slowest Pace

10:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:43

55% of race

Time at Steady Pace

1:00:53

28% of race

Time at Slower Pace

36:44

17% of race

Average Pace: 8:17 /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 mi10:54:2923:057:2623:05
7:26
#11639
10K
6.21 mi11:18:0846:447:3123:39
7:37
#12330
15K
9.32 mi11:42:111:10:477:3624:03
7:44
#12816
20K
12.43 mi12:06:261:35:027:3924:15
7:48
#12905
Half
13.11 mi12:11:441:40:207:395:18
7:46
#12940
25K
15.53 mi12:31:071:59:437:4219:23
8:00
#13080
30K
18.64 mi12:58:032:26:397:5226:56
8:40
#13622
20M
20.00 mi13:10:532:39:297:5812:50
9:27
#14109
21M
21.00 mi13:21:232:49:598:0610:30
10:30
#14645
35K
21.75 mi13:27:512:56:278:076:28
8:39
#14674
23M
23.00 mi13:38:573:07:338:0911:06
8:52
#14698
24M
24.00 mi13:47:513:16:278:118:54
8:54
#14786
40K
24.85 mi13:55:203:23:568:127:29
8:45
#14783
25.2M
25.20 mi13:58:553:27:318:143:35
10:23
#14843
Finish
26.22 mi14:08:443:37:208:189:49
9:38
#15221
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi116392603260313882(Top 49%)3945(Top 32%)3945(Top 72%)
10K6.21 mi3.10 mi12330-6912978-3752978-37513155(Top 46%)3467(Top 28%)3467(Top 63%)
15K9.32 mi3.11 mi12816-4863282-3043282-30413882(Top 49%)3945(Top 32%)3945(Top 72%)
20K12.43 mi3.11 mi12905-893391-1093391-10913330(Top 47%)3730(Top 31%)3730(Top 68%)
Half13.11 mi0.68 mi12940-353417-263417-2614099(Top 50%)4132(Top 34%)4132(Top 76%)
25K15.53 mi2.42 mi13080-1403524-1073524-10713867(Top 49%)4147(Top 34%)4147(Top 76%)
30K18.64 mi3.11 mi13622-5423894-3703894-37015823(Top 56%)5353(Top 44%)5353(Top 98%)
20M20.00 mi1.36 mi14109-4874201-3074201-30718912(Top 67%)7211(Top 59%)7211(Top 132%)
21M21.00 mi1.00 mi14645-5364526-3254526-32520019(Top 70%)7916(Top 65%)7916(Top 145%)
35K21.75 mi0.75 mi14674-294552-264552-2616338(Top 58%)5958(Top 49%)5958(Top 109%)
23M23.00 mi1.25 mi14698-244600-484600-4815494(Top 55%)5596(Top 46%)5596(Top 102%)
24M24.00 mi1.00 mi14786-884681-814681-8116856(Top 59%)6410(Top 52%)6410(Top 117%)
40K24.85 mi0.85 mi14783+34711-304711-3014945(Top 53%)5490(Top 45%)5490(Top 100%)
25.2M25.20 mi0.35 mi14843-604748-374748-3718614(Top 66%)7425(Top 61%)7425(Top 136%)
Finish26.22 mi1.02 mi15221-3785004-2565004-25621669(Top 76%)8993(Top 74%)8993(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13882

Females

3945

F18-39

3945

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

13155

Females

3467

F18-39

3467

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13882

Females

3945

F18-39

3945

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13330

Females

3730

F18-39

3730

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14099

Females

4132

F18-39

4132

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

13867

Females

4147

F18-39

4147

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15823

Females

5353

F18-39

5353

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

18912

Females

7211

F18-39

7211

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

20019

Females

7916

F18-39

7916

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

16338

Females

5958

F18-39

5958

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15494

Females

5596

F18-39

5596

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16856

Females

6410

F18-39

6410

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14945

Females

5490

F18-39

5490

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18614

Females

7425

F18-39

7425

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21669

Females

8993

F18-39

8993

Passing Analysis

Category:
Athletes Passed
917
Passed By
4499
Net Change
-3582
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11639
5K → 10K62753-691#11639#12330
10K → 15K63549-486#12330#12816
15K → 20K170259-89#12816#12905
20K → Half2156-35#12905#12940
Half → 25K115255-140#12940#13080
25K → 30K114656-542#13080#13622
30K → 20M42529-487#13622#14109
20M → 21M27563-536#14109#14645
21M → 35K6493-29#14645#14674
35K → 23M90114-24#14674#14698
23M → 24M50138-88#14698#14786
24M → 40K6663+3#14786#14783
40K → 25.2M2181-60#14783#14843
25.2M → Finish12390-378#14843#15221
TOTALS9174499-3582
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing