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BOSTON MARATHON 2025

Genevieve Lamphier

Bib: 26971•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
29:27
Rank: #24188
Start → 5K
29:27 | 9:29/mi
10K· 6.21 mi
59:01
Rank: #24176 (+12)
5K → 10K
29:34 | 9:31/mi
15K· 9.32 mi
1:28:02
Rank: #23889 (+287)
10K → 15K
29:01 | 9:20/mi
20K· 12.43 mi
1:57:34
Rank: #23642 (+247)
15K → 20K
29:32 | 9:30/mi
Half· 13.11 mi
2:04:12
Rank: #23668 (-26)
20K → Half
6:38 | 9:43/mi
25K· 15.53 mi
2:29:34
Rank: #23767 (-99)
Half → 25K
25:22 | 10:28/mi
30K· 18.64 mi
3:04:57
Rank: #24031 (-264)
25K → 30K
35:23 | 11:23/mi
20M
3:19:48
Rank: #23987 (+44)
30K → 20M
14:51 | 10:56/mi
21M
3:31:41
Rank: #23938 (+49)
20M → 21M
11:53 | 11:53/mi
35K· 21.75 mi
3:39:56
Rank: #23965 (-27)
21M → 35K
8:15 | 11:02/mi
23M
3:54:08
Rank: #23943 (+22)
35K → 23M
14:12 | 11:20/mi
24M
4:04:21
Rank: #23862 (+81)
23M → 24M
10:13 | 10:13/mi
40K· 24.85 mi
4:13:18
Rank: #23790 (+72)
24M → 40K
8:57 | 10:28/mi
25.2M
4:17:22
Rank: #23772 (+18)
40K → 25.2M
4:04 | 11:48/mi
Finish· 26.22 mi
4:26:53
Rank: #23692 (+80)
25.2M → Finish
9:31 | 9:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:12
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:22:41
Pace10:53 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5429:279:2929:27
9:29
-
10K
6.21 mi12:22:2859:019:3029:34
9:31
+0:02
15K
9.32 mi12:51:291:28:029:2729:01
9:20
-0:11
20K
12.43 mi13:21:011:57:349:2829:32
9:30
+0:10
Half
13.11 mi13:27:392:04:129:286:38
9:43
+0:13
25K
15.53 mi13:53:012:29:349:3825:22
10:28
+0:45
30K
18.64 mi14:28:243:04:579:5535:23
11:23
+0:55
20M
20.00 mi14:43:153:19:489:5914:51
10:56
-0:27
21M
21.00 mi14:55:083:31:4110:0511:53
11:53
+0:57
35K
21.75 mi15:03:233:39:5610:078:15
11:02
-0:51
23M
23.00 mi15:17:353:54:0810:1114:12
11:20
+0:18
24M
24.00 mi15:27:484:04:2110:1110:13
10:13
-1:07
40K
24.85 mi15:36:454:13:1810:118:57
10:28
+0:15
25.2M
25.20 mi15:40:494:17:2210:134:04
11:48
+1:20
Finish
26.22 mi15:50:204:26:5310:119:31
9:20
-2:28

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

9:20 /mi

Average Pace

10:11 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:43

50% of race

Time at Steady Pace

44:32

17% of race

Time at Slower Pace

1:28:38

33% of race

Average Pace: 10:11 /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 mi11:52:5429:279:2929:27
9:29
#24188
10K
6.21 mi12:22:2859:019:3029:34
9:31
#24176
15K
9.32 mi12:51:291:28:029:2729:01
9:20
#23889
20K
12.43 mi13:21:011:57:349:2829:32
9:30
#23642
Half
13.11 mi13:27:392:04:129:286:38
9:43
#23668
25K
15.53 mi13:53:012:29:349:3825:22
10:28
#23767
30K
18.64 mi14:28:243:04:579:5535:23
11:23
#24031
20M
20.00 mi14:43:153:19:489:5914:51
10:56
#23987
21M
21.00 mi14:55:083:31:4110:0511:53
11:53
#23938
35K
21.75 mi15:03:233:39:5610:078:15
11:02
#23965
23M
23.00 mi15:17:353:54:0810:1114:12
11:20
#23943
24M
24.00 mi15:27:484:04:2110:1110:13
10:13
#23862
40K
24.85 mi15:36:454:13:1810:118:57
10:28
#23790
25.2M
25.20 mi15:40:494:17:2210:134:04
11:48
#23772
Finish
26.22 mi15:50:204:26:5310:119:31
9:20
#23692
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi241889790979023323(Top 82%)9276(Top 76%)9276(Top 170%)
10K6.21 mi3.10 mi24176+129783+79783+724163(Top 85%)9779(Top 80%)9779(Top 179%)
15K9.32 mi3.11 mi23889+2879615+1689615+16823323(Top 82%)9276(Top 76%)9276(Top 170%)
20K12.43 mi3.11 mi23642+2479480+1359480+13522934(Top 81%)9114(Top 75%)9114(Top 167%)
Half13.11 mi0.68 mi23668-269502-229502-2224193(Top 85%)9813(Top 80%)9813(Top 179%)
25K15.53 mi2.42 mi23767-999566-649566-6424301(Top 86%)9909(Top 81%)9909(Top 181%)
30K18.64 mi3.11 mi24031-2649745-1799745-17924680(Top 87%)10227(Top 84%)10227(Top 187%)
20M20.00 mi1.36 mi23987+449744+19744+123463(Top 83%)9661(Top 79%)9661(Top 177%)
21M21.00 mi1.00 mi23938+499730+149730+1423394(Top 82%)9711(Top 79%)9711(Top 178%)
35K21.75 mi0.75 mi23965-279765-359765-3524269(Top 85%)10198(Top 83%)10198(Top 186%)
23M23.00 mi1.25 mi23943+229773-89773-823979(Top 84%)10087(Top 82%)10087(Top 184%)
24M24.00 mi1.00 mi23862+819737+369737+3622004(Top 77%)9140(Top 75%)9140(Top 167%)
40K24.85 mi0.85 mi23790+729714+239714+2321859(Top 77%)9132(Top 75%)9132(Top 167%)
25.2M25.20 mi0.35 mi23772+189707+79707+722808(Top 80%)9576(Top 78%)9576(Top 175%)
Finish26.22 mi1.02 mi23692+809678+299678+2920575(Top 72%)8442(Top 69%)8442(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

23323

Females

9276

F18-39

9276

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

24163

Females

9779

F18-39

9779

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

23323

Females

9276

F18-39

9276

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

22934

Females

9114

F18-39

9114

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24193

Females

9813

F18-39

9813

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24301

Females

9909

F18-39

9909

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24680

Females

10227

F18-39

10227

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23463

Females

9661

F18-39

9661

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23394

Females

9711

F18-39

9711

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24269

Females

10198

F18-39

10198

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23979

Females

10087

F18-39

10087

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

22004

Females

9140

F18-39

9140

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21859

Females

9132

F18-39

9132

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22808

Females

9576

F18-39

9576

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20575

Females

8442

F18-39

8442

Passing Analysis

Category:
Athletes Passed
1603
Passed By
1107
Net Change
+496
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24188
5K → 10K239227+12#24188#24176
10K → 15K33245+287#24176#23889
15K → 20K27730+247#23889#23642
20K → Half1339-26#23642#23668
Half → 25K85184-99#23668#23767
25K → 30K81345-264#23767#24031
30K → 20M9854+44#24031#23987
20M → 21M8334+49#23987#23938
21M → 35K3360-27#23938#23965
35K → 23M7654+22#23965#23943
23M → 24M9110+81#23943#23862
24M → 40K8412+72#23862#23790
40K → 25.2M268+18#23790#23772
25.2M → Finish855+80#23772#23692
TOTALS16031107+496
📊

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