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BOSTON MARATHON 2025

Emily Khalaf

Bib: 27053•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
29:42
Rank: #24442
Start → 5K
29:42 | 9:34/mi
10K· 6.21 mi
57:59
Rank: #23661 (+781)
5K → 10K
28:17 | 9:06/mi
15K· 9.32 mi
1:26:38
Rank: #23423 (+238)
10K → 15K
28:39 | 9:13/mi
20K· 12.43 mi
1:55:49
Rank: #23194 (+229)
15K → 20K
29:11 | 9:24/mi
Half· 13.11 mi
2:02:26
Rank: #23250 (-56)
20K → Half
6:37 | 9:42/mi
25K· 15.53 mi
2:27:07
Rank: #23328 (-78)
Half → 25K
24:41 | 10:11/mi
30K· 18.64 mi
3:00:56
Rank: #23426 (-98)
25K → 30K
33:49 | 10:53/mi
20M
3:15:43
Rank: #23390 (+36)
30K → 20M
14:47 | 10:53/mi
21M
3:27:29
Rank: #23375 (+15)
20M → 21M
11:46 | 11:46/mi
35K· 21.75 mi
3:34:57
Rank: #23321 (+54)
21M → 35K
7:28 | 9:59/mi
23M
3:48:33
Rank: #23298 (+23)
35K → 23M
13:36 | 10:52/mi
24M
3:58:22
Rank: #23190 (+108)
23M → 24M
9:49 | 9:49/mi
40K· 24.85 mi
4:07:09
Rank: #23108 (+82)
24M → 40K
8:47 | 10:16/mi
25.2M
4:10:49
Rank: #23070 (+38)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
4:20:12
Rank: #22974 (+96)
25.2M → Finish
9:23 | 9:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:26
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:17:46
Pace10:31 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3129:429:3429:42
9:34
-
10K
6.21 mi12:14:4857:599:2028:17
9:06
-0:28
15K
9.32 mi12:43:271:26:389:1828:39
9:13
+0:07
20K
12.43 mi13:12:381:55:499:1929:11
9:24
+0:11
Half
13.11 mi13:19:152:02:269:206:37
9:42
+0:18
25K
15.53 mi13:43:562:27:079:2824:41
10:11
+0:29
30K
18.64 mi14:17:453:00:569:4233:49
10:53
+0:42
20M
20.00 mi14:32:323:15:439:4714:47
10:53
0:00
21M
21.00 mi14:44:183:27:299:5311:46
11:46
+0:53
35K
21.75 mi14:51:463:34:579:537:28
9:59
-1:47
23M
23.00 mi15:05:223:48:339:5613:36
10:52
+0:53
24M
24.00 mi15:15:113:58:229:569:49
9:49
-1:03
40K
24.85 mi15:23:584:07:099:578:47
10:16
+0:27
25.2M
25.20 mi15:27:384:10:499:573:40
10:38
+0:22
Finish
26.22 mi15:37:014:20:129:569:23
9:12
-1:26

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

9:06 /mi

Average Pace

9:56 /mi

Slowest Pace

11:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:12

48% of race

Time at Steady Pace

57:22

22% of race

Time at Slower Pace

1:17:38

30% of race

Average Pace: 9:55 /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 mi11:46:3129:429:3429:42
9:34
#24442
10K
6.21 mi12:14:4857:599:2028:17
9:06
#23661
15K
9.32 mi12:43:271:26:389:1828:39
9:13
#23423
20K
12.43 mi13:12:381:55:499:1929:11
9:24
#23194
Half
13.11 mi13:19:152:02:269:206:37
9:42
#23250
25K
15.53 mi13:43:562:27:079:2824:41
10:11
#23328
30K
18.64 mi14:17:453:00:569:4233:49
10:53
#23426
20M
20.00 mi14:32:323:15:439:4714:47
10:53
#23390
21M
21.00 mi14:44:183:27:299:5311:46
11:46
#23375
35K
21.75 mi14:51:463:34:579:537:28
9:59
#23321
23M
23.00 mi15:05:223:48:339:5613:36
10:52
#23298
24M
24.00 mi15:15:113:58:229:569:49
9:49
#23190
40K
24.85 mi15:23:584:07:099:578:47
10:16
#23108
25.2M
25.20 mi15:27:384:10:499:573:40
10:38
#23070
Finish
26.22 mi15:37:014:20:129:569:23
9:12
#22974
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi244429929992922935(Top 81%)9070(Top 74%)9070(Top 166%)
10K6.21 mi3.10 mi23661+7819518+4119518+41122848(Top 80%)9046(Top 74%)9046(Top 165%)
15K9.32 mi3.11 mi23423+2389365+1539365+15322935(Top 81%)9070(Top 74%)9070(Top 166%)
20K12.43 mi3.11 mi23194+2299232+1339232+13322569(Top 79%)8902(Top 73%)8902(Top 163%)
Half13.11 mi0.68 mi23250-569261-299261-2924108(Top 85%)9759(Top 80%)9759(Top 178%)
25K15.53 mi2.42 mi23328-789315-549315-5423690(Top 83%)9584(Top 78%)9584(Top 175%)
30K18.64 mi3.11 mi23426-989417-1029417-10223781(Top 84%)9747(Top 80%)9747(Top 178%)
20M20.00 mi1.36 mi23390+369413+49413+423345(Top 82%)9597(Top 78%)9597(Top 175%)
21M21.00 mi1.00 mi23375+159430-179430-1723160(Top 82%)9579(Top 78%)9579(Top 175%)
35K21.75 mi0.75 mi23321+549413+179413+1721871(Top 77%)8979(Top 73%)8979(Top 164%)
23M23.00 mi1.25 mi23298+239424-119424-1122922(Top 81%)9561(Top 78%)9561(Top 175%)
24M24.00 mi1.00 mi23190+1089393+319393+3120800(Top 73%)8508(Top 70%)8508(Top 156%)
40K24.85 mi0.85 mi23108+829366+279366+2721321(Top 75%)8835(Top 72%)8835(Top 162%)
25.2M25.20 mi0.35 mi23070+389347+199347+1919567(Top 69%)7954(Top 65%)7954(Top 145%)
Finish26.22 mi1.02 mi22974+969307+409307+4020012(Top 70%)8160(Top 67%)8160(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

22935

Females

9070

F18-39

9070

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

22848

Females

9046

F18-39

9046

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

22935

Females

9070

F18-39

9070

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22569

Females

8902

F18-39

8902

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24108

Females

9759

F18-39

9759

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

23690

Females

9584

F18-39

9584

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

23781

Females

9747

F18-39

9747

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

23345

Females

9597

F18-39

9597

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23160

Females

9579

F18-39

9579

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21871

Females

8979

F18-39

8979

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

22922

Females

9561

F18-39

9561

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20800

Females

8508

F18-39

8508

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21321

Females

8835

F18-39

8835

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19567

Females

7954

F18-39

7954

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

20012

Females

8160

F18-39

8160

Passing Analysis

Category:
Athletes Passed
2299
Passed By
831
Net Change
+1468
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24442
5K → 10K81231+781#24442#23661
10K → 15K30163+238#23661#23423
15K → 20K27647+229#23423#23194
20K → Half1672-56#23194#23250
Half → 25K102180-78#23250#23328
25K → 30K125223-98#23328#23426
30K → 20M9660+36#23426#23390
20M → 21M8570+15#23390#23375
21M → 35K6915+54#23375#23321
35K → 23M7350+23#23321#23298
23M → 24M1179+108#23298#23190
24M → 40K908+82#23190#23108
40K → 25.2M380+38#23108#23070
25.2M → Finish993+96#23070#22974
TOTALS2299831+1468
📊

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