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BOSTON MARATHON 2025

Loralei Samson

Bib: 17040•F

KY

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
23:51
Rank: #13785
Start → 5K
23:51 | 7:41/mi
10K· 6.21 mi
48:41
Rank: #15107 (-1322)
5K → 10K
24:50 | 8:00/mi
15K· 9.32 mi
1:13:59
Rank: #15825 (-718)
10K → 15K
25:18 | 8:09/mi
20K· 12.43 mi
1:40:56
Rank: #16850 (-1025)
15K → 20K
26:57 | 8:40/mi
Half· 13.11 mi
1:46:30
Rank: #16845 (+5)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:06:48
Rank: #16726 (+119)
Half → 25K
20:18 | 8:22/mi
30K· 18.64 mi
2:36:33
Rank: #17454 (-728)
25K → 30K
29:45 | 9:35/mi
20M
2:48:23
Rank: #17263 (+191)
30K → 20M
11:50 | 8:42/mi
21M
2:59:22
Rank: #17632 (-369)
20M → 21M
10:59 | 10:59/mi
35K· 21.75 mi
3:05:51
Rank: #17579 (+53)
21M → 35K
6:29 | 8:40/mi
23M
3:17:10
Rank: #17491 (+88)
35K → 23M
11:19 | 9:02/mi
24M
3:25:54
Rank: #17412 (+79)
23M → 24M
8:44 | 8:44/mi
40K· 24.85 mi
3:33:35
Rank: #17362 (+50)
24M → 40K
7:41 | 8:59/mi
25.2M
3:37:01
Rank: #17359 (+3)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:45:26
Rank: #17250 (+109)
25.2M → Finish
8:25 | 8:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:30
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:58:56
Pace9:04 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1423:517:4123:51
7:41
-
10K
6.21 mi11:39:0448:417:5024:50
8:00
+0:19
15K
9.32 mi12:04:221:13:597:5625:18
8:09
+0:09
20K
12.43 mi12:31:191:40:568:0726:57
8:40
+0:31
Half
13.11 mi12:36:531:46:308:075:34
8:10
-0:30
25K
15.53 mi12:57:112:06:488:1020:18
8:22
+0:12
30K
18.64 mi13:26:562:36:338:2429:45
9:35
+1:13
20M
20.00 mi13:38:462:48:238:2511:50
8:42
-0:53
21M
21.00 mi13:49:452:59:228:3210:59
10:59
+2:17
35K
21.75 mi13:56:143:05:518:336:29
8:40
-2:19
23M
23.00 mi14:07:333:17:108:3411:19
9:02
+0:22
24M
24.00 mi14:16:173:25:548:358:44
8:44
-0:18
40K
24.85 mi14:23:583:33:358:367:41
8:59
+0:15
25.2M
25.20 mi14:27:243:37:018:373:26
9:57
+0:58
Finish
26.22 mi14:35:493:45:268:368:25
8:16
-1:41

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

7:41 /mi

Average Pace

8:36 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:33

35% of race

Time at Steady Pace

1:41:43

45% of race

Time at Slower Pace

44:10

20% of race

Average Pace: 8:36 /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 mi11:14:1423:517:4123:51
7:41
#13785
10K
6.21 mi11:39:0448:417:5024:50
8:00
#15107
15K
9.32 mi12:04:221:13:597:5625:18
8:09
#15825
20K
12.43 mi12:31:191:40:568:0726:57
8:40
#16850
Half
13.11 mi12:36:531:46:308:075:34
8:10
#16845
25K
15.53 mi12:57:112:06:488:1020:18
8:22
#16726
30K
18.64 mi13:26:562:36:338:2429:45
9:35
#17454
20M
20.00 mi13:38:462:48:238:2511:50
8:42
#17263
21M
21.00 mi13:49:452:59:228:3210:59
10:59
#17632
35K
21.75 mi13:56:143:05:518:336:29
8:40
#17579
23M
23.00 mi14:07:333:17:108:3411:19
9:02
#17491
24M
24.00 mi14:16:173:25:548:358:44
8:44
#17412
40K
24.85 mi14:23:583:33:358:367:41
8:59
#17362
25.2M
25.20 mi14:27:243:37:018:373:26
9:57
#17359
Finish
26.22 mi14:35:493:45:268:368:25
8:16
#17250
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137853770377017051(Top 60%)5763(Top 47%)5763(Top 105%)
10K6.21 mi3.10 mi15107-13224609-8394609-83916444(Top 58%)5394(Top 44%)5394(Top 99%)
15K9.32 mi3.11 mi15825-7185030-4215030-42117051(Top 60%)5763(Top 47%)5763(Top 105%)
20K12.43 mi3.11 mi16850-10255650-6205650-62019286(Top 68%)7072(Top 58%)7072(Top 129%)
Half13.11 mi0.68 mi16845+55639+115639+1117085(Top 60%)5823(Top 48%)5823(Top 106%)
25K15.53 mi2.42 mi16726+1195597+425597+4216406(Top 58%)5540(Top 45%)5540(Top 101%)
30K18.64 mi3.11 mi17454-7286091-4946091-49420243(Top 71%)7786(Top 64%)7786(Top 142%)
20M20.00 mi1.36 mi17263+1916005+866005+8615155(Top 53%)5135(Top 42%)5135(Top 94%)
21M21.00 mi1.00 mi17632-3696234-2296234-22921351(Top 75%)8617(Top 70%)8617(Top 158%)
35K21.75 mi0.75 mi17579+536232+26232+216514(Top 58%)6073(Top 50%)6073(Top 111%)
23M23.00 mi1.25 mi17491+886218+146218+1416499(Top 58%)6170(Top 50%)6170(Top 113%)
24M24.00 mi1.00 mi17412+796196+226196+2215957(Top 56%)5911(Top 48%)5911(Top 108%)
40K24.85 mi0.85 mi17362+506192+46192+416244(Top 57%)6176(Top 51%)6176(Top 113%)
25.2M25.20 mi0.35 mi17359+36202-106202-1016862(Top 59%)6516(Top 53%)6516(Top 119%)
Finish26.22 mi1.02 mi17250+1096157+456157+4514704(Top 52%)5325(Top 44%)5325(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17051

Females

5763

F18-39

5763

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16444

Females

5394

F18-39

5394

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17051

Females

5763

F18-39

5763

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19286

Females

7072

F18-39

7072

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17085

Females

5823

F18-39

5823

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16406

Females

5540

F18-39

5540

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

20243

Females

7786

F18-39

7786

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

15155

Females

5135

F18-39

5135

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21351

Females

8617

F18-39

8617

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

16514

Females

6073

F18-39

6073

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16499

Females

6170

F18-39

6170

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15957

Females

5911

F18-39

5911

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16244

Females

6176

F18-39

6176

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16862

Females

6516

F18-39

6516

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

14704

Females

5325

F18-39

5325

Passing Analysis

Category:
Athletes Passed
1329
Passed By
4794
Net Change
-3465
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13785
5K → 10K461368-1322#13785#15107
10K → 15K59777-718#15107#15825
15K → 20K371062-1025#15825#16850
20K → Half4136+5#16850#16845
Half → 25K21697+119#16845#16726
25K → 30K69797-728#16726#17454
30K → 20M21423+191#17454#17263
20M → 21M40409-369#17263#17632
21M → 35K7926+53#17632#17579
35K → 23M15567+88#17579#17491
23M → 24M11637+79#17491#17412
24M → 40K9444+50#17412#17362
40K → 25.2M3330+3#17362#17359
25.2M → Finish13021+109#17359#17250
TOTALS13294794-3465
📊

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