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BOSTON MARATHON 2025

Darren Lainhart

Bib: 4739•M

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Male)
#0 / 16105
Top 44%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:43
Rank: #10463
Start → 5K
22:43 | 7:19/mi
10K· 6.21 mi
45:38
Rank: #10705 (-242)
5K → 10K
22:55 | 7:23/mi
15K· 9.32 mi
1:08:22
Rank: #10524 (+181)
10K → 15K
22:44 | 7:19/mi
20K· 12.43 mi
1:31:12
Rank: #10199 (+325)
15K → 20K
22:50 | 7:21/mi
Half· 13.11 mi
1:36:01
Rank: #10082 (+117)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:53:38
Rank: #9696 (+386)
Half → 25K
17:37 | 7:16/mi
30K· 18.64 mi
2:17:09
Rank: #9340 (+356)
25K → 30K
23:31 | 7:34/mi
20M
2:27:37
Rank: #9238 (+102)
30K → 20M
10:28 | 7:42/mi
21M
2:35:35
Rank: #9051 (+187)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:41:08
Rank: #8993 (+58)
21M → 35K
5:33 | 7:25/mi
23M
2:50:45
Rank: #8846 (+147)
35K → 23M
9:37 | 7:41/mi
24M
2:58:23
Rank: #8826 (+20)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
3:04:57
Rank: #8724 (+102)
24M → 40K
6:34 | 7:41/mi
25.2M
3:07:54
Rank: #8720 (+4)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:15:27
Rank: #8694 (+26)
25.2M → Finish
7:33 | 7:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:01
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:39:26
Pace7:35 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:5422:437:1922:43
7:19
-
10K
6.21 mi10:49:4945:387:2122:55
7:23
+0:04
15K
9.32 mi11:12:331:08:227:2022:44
7:19
-0:04
20K
12.43 mi11:35:231:31:127:2022:50
7:21
+0:02
Half
13.11 mi11:40:121:36:017:194:49
7:04
-0:17
25K
15.53 mi11:57:491:53:387:1917:37
7:16
+0:12
30K
18.64 mi12:21:202:17:097:2123:31
7:34
+0:18
20M
20.00 mi12:31:482:27:377:2310:28
7:42
+0:08
21M
21.00 mi12:39:462:35:357:257:58
7:58
+0:16
35K
21.75 mi12:45:192:41:087:255:33
7:25
-0:33
23M
23.00 mi12:54:562:50:457:259:37
7:41
+0:16
24M
24.00 mi13:02:342:58:237:267:38
7:38
-0:03
40K
24.85 mi13:09:083:04:577:266:34
7:41
+0:03
25.2M
25.20 mi13:12:053:07:547:272:57
8:33
+0:52
Finish
26.22 mi13:19:383:15:277:287:33
7:25
-1:08

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

7:04 /mi

Average Pace

7:28 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:49

2% of race

Time at Steady Pace

2:25:26

74% of race

Time at Slower Pace

45:12

23% of race

Average Pace: 7:27 /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 mi10:26:5422:437:1922:43
7:19
#10463
10K
6.21 mi10:49:4945:387:2122:55
7:23
#10705
15K
9.32 mi11:12:331:08:227:2022:44
7:19
#10524
20K
12.43 mi11:35:231:31:127:2022:50
7:21
#10199
Half
13.11 mi11:40:121:36:017:194:49
7:04
#10082
25K
15.53 mi11:57:491:53:387:1917:37
7:16
#9696
30K
18.64 mi12:21:202:17:097:2123:31
7:34
#9340
20M
20.00 mi12:31:482:27:377:2310:28
7:42
#9238
21M
21.00 mi12:39:462:35:357:257:58
7:58
#9051
35K
21.75 mi12:45:192:41:087:255:33
7:25
#8993
23M
23.00 mi12:54:562:50:457:259:37
7:41
#8846
24M
24.00 mi13:02:342:58:237:267:38
7:38
#8826
40K
24.85 mi13:09:083:04:577:266:34
7:41
#8724
25.2M
25.20 mi13:12:053:07:547:272:57
8:33
#8720
Finish
26.22 mi13:19:383:15:277:287:33
7:25
#8694
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi104638416841610112(Top 36%)8144(Top 51%)8144(Top 144%)
10K6.21 mi3.10 mi10705-2428515-998515-9910955(Top 39%)8633(Top 54%)8633(Top 153%)
15K9.32 mi3.11 mi10524+1818405+1108405+11010112(Top 36%)8144(Top 51%)8144(Top 144%)
20K12.43 mi3.11 mi10199+3258209+1968209+1969442(Top 33%)7706(Top 48%)7706(Top 137%)
Half13.11 mi0.68 mi10082+1178144+658144+657999(Top 28%)6900(Top 43%)6900(Top 122%)
25K15.53 mi2.42 mi9696+3867906+2387906+2388100(Top 29%)6825(Top 42%)6825(Top 121%)
30K18.64 mi3.11 mi9340+3567658+2487658+2488208(Top 29%)6710(Top 42%)6710(Top 119%)
20M20.00 mi1.36 mi9238+1027572+867572+868349(Top 29%)6642(Top 41%)6642(Top 118%)
21M21.00 mi1.00 mi9051+1877433+1397433+1397164(Top 25%)5779(Top 36%)5779(Top 102%)
35K21.75 mi0.75 mi8993+587377+567377+568049(Top 28%)6334(Top 39%)6334(Top 112%)
23M23.00 mi1.25 mi8846+1477250+1277250+1277771(Top 27%)6030(Top 37%)6030(Top 107%)
24M24.00 mi1.00 mi8826+207201+497201+498634(Top 30%)6454(Top 40%)6454(Top 114%)
40K24.85 mi0.85 mi8724+1027104+977104+977940(Top 28%)5960(Top 37%)5960(Top 106%)
25.2M25.20 mi0.35 mi8720+47085+197085+199051(Top 32%)6470(Top 40%)6470(Top 115%)
Finish26.22 mi1.02 mi8694+267044+417044+418535(Top 30%)6207(Top 39%)6207(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10112

Males

8144

M18-39

8144

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10955

Males

8633

M18-39

8633

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10112

Males

8144

M18-39

8144

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9442

Males

7706

M18-39

7706

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7999

Males

6900

M18-39

6900

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8100

Males

6825

M18-39

6825

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8208

Males

6710

M18-39

6710

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8349

Males

6642

M18-39

6642

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

7164

Males

5779

M18-39

5779

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

8049

Males

6334

M18-39

6334

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7771

Males

6030

M18-39

6030

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8634

Males

6454

M18-39

6454

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7940

Males

5960

M18-39

5960

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9051

Males

6470

M18-39

6470

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8535

Males

6207

M18-39

6207

Passing Analysis

Category:
Athletes Passed
2665*
Passed By
896
Net Change
+1769
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10463
5K → 10K159401-242#10463#10705
10K → 15K26483+181#10705#10524
15K → 20K35530+325#10524#10199
20K → Half1203+117#10199#10082
Half → 25K395*9+386#10082#9696
25K → 30K40852+356#9696#9340
30K → 20M15452+102#9340#9238
20M → 21M20114+187#9238#9051
21M → 35K9032+58#9051#8993
35K → 23M18235+147#8993#8846
23M → 24M9171+20#8846#8826
24M → 40K12624+102#8826#8724
40K → 25.2M3733+4#8724#8720
25.2M → Finish8357+26#8720#8694
TOTALS2665*896+1769

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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