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BOSTON MARATHON 2025

Samantha Simmons

Bib: 26738•F

FL

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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
32:36
Rank: #26728
Start → 5K
32:36 | 10:30/mi
10K· 6.21 mi
1:07:19
Rank: #27085 (-357)
5K → 10K
34:43 | 11:10/mi
15K· 9.32 mi
1:41:48
Rank: #26969 (+116)
10K → 15K
34:29 | 11:06/mi
20K· 12.43 mi
2:19:02
Rank: #27033 (-64)
15K → 20K
37:14 | 11:59/mi
Half· 13.11 mi
2:26:36
Rank: #27000 (+33)
20K → Half
7:34 | 11:05/mi
25K· 15.53 mi
2:57:29
Rank: #27038 (-38)
Half → 25K
30:53 | 12:44/mi
30K· 18.64 mi
3:38:11
Rank: #27022 (+16)
25K → 30K
40:42 | 13:06/mi
20M
3:56:28
Rank: #27016 (+6)
30K → 20M
18:17 | 13:27/mi
21M
4:10:45
Rank: #27013 (+3)
20M → 21M
14:17 | 14:17/mi
35K· 21.75 mi
4:20:59
Rank: #27043 (-30)
21M → 35K
10:14 | 13:41/mi
23M
4:37:08
Rank: #27021 (+22)
35K → 23M
16:09 | 12:54/mi
24M
4:51:21
Rank: #27072 (-51)
23M → 24M
14:13 | 14:13/mi
40K· 24.85 mi
5:03:30
Rank: #27087 (-15)
24M → 40K
12:09 | 14:13/mi
25.2M
5:08:46
Rank: #27100 (-13)
40K → 25.2M
5:16 | 15:16/mi
Finish· 26.22 mi
5:20:58
Rank: #27095 (+5)
25.2M → Finish
12:12 | 11:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:26:36
Pace11:11 /mi
2nd Half
Distance13.11 mi
Time2:54:22
Pace13:18 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4332:3610:3032:36
10:30
-
10K
6.21 mi12:24:261:07:1910:5034:43
11:10
+0:40
15K
9.32 mi12:58:551:41:4810:5534:29
11:06
-0:04
20K
12.43 mi13:36:092:19:0211:1137:14
11:59
+0:53
Half
13.11 mi13:43:432:26:3611:117:34
11:05
-0:54
25K
15.53 mi14:14:362:57:2911:2630:53
12:44
+1:39
30K
18.64 mi14:55:183:38:1111:4240:42
13:06
+0:22
20M
20.00 mi15:13:353:56:2811:4918:17
13:27
+0:21
21M
21.00 mi15:27:524:10:4511:5614:17
14:17
+0:50
35K
21.75 mi15:38:064:20:5912:0010:14
13:41
-0:36
23M
23.00 mi15:54:154:37:0812:0316:09
12:54
-0:47
24M
24.00 mi16:08:284:51:2112:0814:13
14:13
+1:19
40K
24.85 mi16:20:375:03:3012:1312:09
14:13
0:00
25.2M
25.20 mi16:25:535:08:4612:155:16
15:16
+1:03
Finish
26.22 mi16:38:055:20:5812:1512:12
11:58
-3:18

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

10:30 /mi

Average Pace

12:15 /mi

Slowest Pace

15:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:48

49% of race

Time at Steady Pace

1:46:01

33% of race

Time at Slower Pace

56:09

17% of race

Average Pace: 12:14 /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 mi11:49:4332:3610:3032:36
10:30
#26728
10K
6.21 mi12:24:261:07:1910:5034:43
11:10
#27085
15K
9.32 mi12:58:551:41:4810:5534:29
11:06
#26969
20K
12.43 mi13:36:092:19:0211:1137:14
11:59
#27033
Half
13.11 mi13:43:432:26:3611:117:34
11:05
#27000
25K
15.53 mi14:14:362:57:2911:2630:53
12:44
#27038
30K
18.64 mi14:55:183:38:1111:4240:42
13:06
#27022
20M
20.00 mi15:13:353:56:2811:4918:17
13:27
#27016
21M
21.00 mi15:27:524:10:4511:5614:17
14:17
#27013
35K
21.75 mi15:38:064:20:5912:0010:14
13:41
#27043
23M
23.00 mi15:54:154:37:0812:0316:09
12:54
#27021
24M
24.00 mi16:08:284:51:2112:0814:13
14:13
#27072
40K
24.85 mi16:20:375:03:3012:1312:09
14:13
#27087
25.2M
25.20 mi16:25:535:08:4612:155:16
15:16
#27100
Finish
26.22 mi16:38:055:20:5812:1512:12
11:58
#27095
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 mi26728111761117626797(Top 94%)11252(Top 92%)11252(Top 206%)
10K6.21 mi3.10 mi27085-35711402-22611402-22627273(Top 96%)11530(Top 94%)11530(Top 211%)
15K9.32 mi3.11 mi26969+11611341+6111341+6126797(Top 94%)11252(Top 92%)11252(Top 206%)
20K12.43 mi3.11 mi27033-6411386-4511386-4527104(Top 95%)11459(Top 94%)11459(Top 210%)
Half13.11 mi0.68 mi27000+3311372+1411372+1426621(Top 94%)11192(Top 92%)11192(Top 205%)
25K15.53 mi2.42 mi27038-3811403-3111403-3127106(Top 95%)11493(Top 94%)11493(Top 210%)
30K18.64 mi3.11 mi27022+1611407-411407-426777(Top 94%)11372(Top 93%)11372(Top 208%)
20M20.00 mi1.36 mi27016+611412-511412-526843(Top 95%)11471(Top 94%)11471(Top 210%)
21M21.00 mi1.00 mi27013+311418-611418-626506(Top 93%)11318(Top 93%)11318(Top 207%)
35K21.75 mi0.75 mi27043-3011446-2811446-2827470(Top 97%)11837(Top 97%)11837(Top 216%)
23M23.00 mi1.25 mi27021+2211440+611440+626264(Top 92%)11234(Top 92%)11234(Top 205%)
24M24.00 mi1.00 mi27072-5111480-4011480-4027753(Top 98%)12009(Top 98%)12009(Top 220%)
40K24.85 mi0.85 mi27087-1511490-1011490-1027349(Top 96%)11804(Top 97%)11804(Top 216%)
25.2M25.20 mi0.35 mi27100-1311506-1611506-1627292(Top 96%)11795(Top 96%)11795(Top 216%)
Finish26.22 mi1.02 mi27095+511504+211504+226747(Top 94%)11501(Top 94%)11501(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26797

Females

11252

F18-39

11252

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

27273

Females

11530

F18-39

11530

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26797

Females

11252

F18-39

11252

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

27104

Females

11459

F18-39

11459

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

26621

Females

11192

F18-39

11192

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

27106

Females

11493

F18-39

11493

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

26777

Females

11372

F18-39

11372

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

26843

Females

11471

F18-39

11471

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

26506

Females

11318

F18-39

11318

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

27470

Females

11837

F18-39

11837

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

26264

Females

11234

F18-39

11234

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

27753

Females

12009

F18-39

12009

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27349

Females

11804

F18-39

11804

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27292

Females

11795

F18-39

11795

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

26747

Females

11501

F18-39

11501

Passing Analysis

Category:
Athletes Passed
648
Passed By
1015
Net Change
-367
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26728
5K → 10K60417-357#26728#27085
10K → 15K17458+116#27085#26969
15K → 20K85149-64#26969#27033
20K → Half352+33#27033#27000
Half → 25K5290-38#27000#27038
25K → 30K8670+16#27038#27022
30K → 20M3832+6#27022#27016
20M → 21M2522+3#27016#27013
21M → 35K1040-30#27013#27043
35K → 23M3412+22#27043#27021
23M → 24M960-51#27021#27072
24M → 40K1732-15#27072#27087
40K → 25.2M518-13#27087#27100
25.2M → Finish1813+5#27100#27095
TOTALS6481015-367
📊

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