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BOSTON MARATHON 2025

Rachel Lamps

Bib: 18323•F

WI

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
24:16
Rank: #14929
Start → 5K
24:16 | 7:49/mi
10K· 6.21 mi
49:20
Rank: #16027 (-1098)
5K → 10K
25:04 | 8:04/mi
15K· 9.32 mi
1:15:09
Rank: #16804 (-777)
10K → 15K
25:49 | 8:19/mi
20K· 12.43 mi
1:43:33
Rank: #18206 (-1402)
15K → 20K
28:24 | 9:08/mi
Half· 13.11 mi
1:49:47
Rank: #18486 (-280)
20K → Half
6:14 | 9:08/mi
25K· 15.53 mi
2:14:20
Rank: #19767 (-1281)
Half → 25K
24:33 | 10:08/mi
30K· 18.64 mi
2:47:23
Rank: #20772 (-1005)
25K → 30K
33:03 | 10:38/mi
20M
3:02:27
Rank: #21126 (-354)
30K → 20M
15:04 | 11:05/mi
21M
3:13:27
Rank: #21182 (-56)
20M → 21M
11:00 | 11:00/mi
35K· 21.75 mi
3:20:33
Rank: #21128 (+54)
21M → 35K
7:06 | 9:29/mi
23M
3:31:57
Rank: #20899 (+229)
35K → 23M
11:24 | 9:06/mi
24M
3:40:44
Rank: #20719 (+180)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:48:24
Rank: #20575 (+144)
24M → 40K
7:40 | 8:58/mi
25.2M
3:51:25
Rank: #20473 (+102)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:59:37
Rank: #20286 (+187)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:47
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time2:09:50
Pace9:54 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2224:167:4924:16
7:49
-
10K
6.21 mi11:40:2649:207:5625:04
8:04
+0:15
15K
9.32 mi12:06:151:15:098:0425:49
8:19
+0:15
20K
12.43 mi12:34:391:43:338:2028:24
9:08
+0:49
Half
13.11 mi12:40:531:49:478:226:14
9:08
0:00
25K
15.53 mi13:05:262:14:208:3924:33
10:08
+1:00
30K
18.64 mi13:38:292:47:238:5933:03
10:38
+0:30
20M
20.00 mi13:53:333:02:279:0715:04
11:05
+0:27
21M
21.00 mi14:04:333:13:279:1311:00
11:00
-0:05
35K
21.75 mi14:11:393:20:339:137:06
9:29
-1:31
23M
23.00 mi14:23:033:31:579:1311:24
9:06
-0:23
24M
24.00 mi14:31:503:40:449:128:47
8:47
-0:19
40K
24.85 mi14:39:303:48:249:117:40
8:58
+0:11
25.2M
25.20 mi14:42:313:51:259:113:01
8:45
-0:13
Finish
26.22 mi14:50:433:59:379:098:12
8:03
-0:42

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

7:49 /mi

Average Pace

9:09 /mi

Slowest Pace

11:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:21

35% of race

Time at Steady Pace

1:12:36

30% of race

Time at Slower Pace

1:23:40

35% of race

Average Pace: 9:08 /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 mi11:15:2224:167:4924:16
7:49
#14929
10K
6.21 mi11:40:2649:207:5625:04
8:04
#16027
15K
9.32 mi12:06:151:15:098:0425:49
8:19
#16804
20K
12.43 mi12:34:391:43:338:2028:24
9:08
#18206
Half
13.11 mi12:40:531:49:478:226:14
9:08
#18486
25K
15.53 mi13:05:262:14:208:3924:33
10:08
#19767
30K
18.64 mi13:38:292:47:238:5933:03
10:38
#20772
20M
20.00 mi13:53:333:02:279:0715:04
11:05
#21126
21M
21.00 mi14:04:333:13:279:1311:00
11:00
#21182
35K
21.75 mi14:11:393:20:339:137:06
9:29
#21128
23M
23.00 mi14:23:033:31:579:1311:24
9:06
#20899
24M
24.00 mi14:31:503:40:449:128:47
8:47
#20719
40K
24.85 mi14:39:303:48:249:117:40
8:58
#20575
25.2M
25.20 mi14:42:313:51:259:113:01
8:45
#20473
Finish
26.22 mi14:50:433:59:379:098:12
8:03
#20286
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi149294488448818141(Top 64%)6409(Top 52%)6409(Top 117%)
10K6.21 mi3.10 mi16027-10985156-6685156-66816991(Top 60%)5703(Top 47%)5703(Top 104%)
15K9.32 mi3.11 mi16804-7775610-4545610-45418141(Top 64%)6409(Top 52%)6409(Top 117%)
20K12.43 mi3.11 mi18206-14026463-8536463-85321639(Top 76%)8394(Top 69%)8394(Top 153%)
Half13.11 mi0.68 mi18486-2806607-1446607-14422375(Top 79%)8805(Top 72%)8805(Top 161%)
25K15.53 mi2.42 mi19767-12817350-7437350-74323562(Top 83%)9511(Top 78%)9511(Top 174%)
30K18.64 mi3.11 mi20772-10057969-6197969-61923249(Top 82%)9462(Top 77%)9462(Top 173%)
20M20.00 mi1.36 mi21126-3548179-2108179-21023778(Top 84%)9832(Top 80%)9832(Top 180%)
21M21.00 mi1.00 mi21182-568221-428221-4221403(Top 75%)8653(Top 71%)8653(Top 158%)
35K21.75 mi0.75 mi21128+548206+158206+1520315(Top 72%)8139(Top 67%)8139(Top 149%)
23M23.00 mi1.25 mi20899+2298109+978109+9716886(Top 59%)6393(Top 52%)6393(Top 117%)
24M24.00 mi1.00 mi20719+1808026+838026+8316273(Top 57%)6099(Top 50%)6099(Top 112%)
40K24.85 mi0.85 mi20575+1447965+617965+6116166(Top 57%)6147(Top 50%)6147(Top 112%)
25.2M25.20 mi0.35 mi20473+1027915+507915+5010436(Top 37%)3272(Top 27%)3272(Top 60%)
Finish26.22 mi1.02 mi20286+1877829+867829+8613255(Top 47%)4595(Top 38%)4595(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18141

Females

6409

F18-39

6409

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16991

Females

5703

F18-39

5703

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18141

Females

6409

F18-39

6409

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21639

Females

8394

F18-39

8394

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

22375

Females

8805

F18-39

8805

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

23562

Females

9511

F18-39

9511

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

23249

Females

9462

F18-39

9462

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

23778

Females

9832

F18-39

9832

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21403

Females

8653

F18-39

8653

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

20315

Females

8139

F18-39

8139

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16886

Females

6393

F18-39

6393

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16273

Females

6099

F18-39

6099

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16166

Females

6147

F18-39

6147

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10436

Females

3272

F18-39

3272

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13255

Females

4595

F18-39

4595

Passing Analysis

Category:
Athletes Passed
1256
Passed By
6613
Net Change
-5357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14929
5K → 10K631161-1098#14929#16027
10K → 15K56833-777#16027#16804
15K → 20K221424-1402#16804#18206
20K → Half2282-280#18206#18486
Half → 25K181299-1281#18486#19767
25K → 30K471052-1005#19767#20772
30K → 20M30384-354#20772#21126
20M → 21M72128-56#21126#21182
21M → 35K8329+54#21182#21128
35K → 23M2334+229#21128#20899
23M → 24M1844+180#20899#20719
24M → 40K1528+144#20719#20575
40K → 25.2M1031+102#20575#20473
25.2M → Finish1914+187#20473#20286
TOTALS12566613-5357
📊

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