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BOSTON MARATHON 2025

Luke Merkel

Bib: 8119•M

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Masters (Masters Men)
#0 / 10463
Top 10%
Division (M40-44)
#0 / 2247
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:47
Rank: #5335
Start → 5K
20:47 | 6:41/mi
10K· 6.21 mi
41:32
Rank: #5223 (+112)
5K → 10K
20:45 | 6:41/mi
15K· 9.32 mi
1:02:18
Rank: #5096 (+127)
10K → 15K
20:46 | 6:41/mi
20K· 12.43 mi
1:23:14
Rank: #4968 (+128)
15K → 20K
20:56 | 6:44/mi
Half· 13.11 mi
1:27:45
Rank: #4942 (+26)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:44:04
Rank: #4783 (+159)
Half → 25K
16:19 | 6:44/mi
30K· 18.64 mi
2:05:40
Rank: #4663 (+120)
25K → 30K
21:36 | 6:57/mi
20M
2:15:12
Rank: #4597 (+66)
30K → 20M
9:32 | 7:01/mi
21M
2:22:34
Rank: #4516 (+81)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:27:30
Rank: #4414 (+102)
21M → 35K
4:56 | 6:36/mi
23M
2:36:13
Rank: #4318 (+96)
35K → 23M
8:43 | 6:58/mi
24M
2:43:04
Rank: #4261 (+57)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:48:59
Rank: #4207 (+54)
24M → 40K
5:55 | 6:55/mi
25.2M
2:51:35
Rank: #4181 (+26)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:58:20
Rank: #4121 (+60)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:45
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:30:35
Pace6:55 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:0220:476:4120:47
6:41
-
10K
6.21 mi10:49:4741:326:4120:45
6:41
0:00
15K
9.32 mi11:10:331:02:186:4120:46
6:41
0:00
20K
12.43 mi11:31:291:23:146:4220:56
6:44
+0:03
Half
13.11 mi11:36:001:27:456:424:31
6:37
-0:07
25K
15.53 mi11:52:191:44:046:4216:19
6:44
+0:07
30K
18.64 mi12:13:552:05:406:4421:36
6:57
+0:13
20M
20.00 mi12:23:272:15:126:469:32
7:01
+0:04
21M
21.00 mi12:30:492:22:346:477:22
7:22
+0:21
35K
21.75 mi12:35:452:27:306:474:56
6:36
-0:46
23M
23.00 mi12:44:282:36:136:488:43
6:58
+0:22
24M
24.00 mi12:51:192:43:046:486:51
6:51
-0:07
40K
24.85 mi12:57:142:48:596:485:55
6:55
+0:04
25.2M
25.20 mi12:59:502:51:356:492:36
7:32
+0:37
Finish
26.22 mi13:06:352:58:206:486:45
6:37
-0:55

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

6:36 /mi

Average Pace

6:48 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:22

94% of race

Time at Steady Pace

9:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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 mi10:29:0220:476:4120:47
6:41
#5335
10K
6.21 mi10:49:4741:326:4120:45
6:41
#5223
15K
9.32 mi11:10:331:02:186:4120:46
6:41
#5096
20K
12.43 mi11:31:291:23:146:4220:56
6:44
#4968
Half
13.11 mi11:36:001:27:456:424:31
6:37
#4942
25K
15.53 mi11:52:191:44:046:4216:19
6:44
#4783
30K
18.64 mi12:13:552:05:406:4421:36
6:57
#4663
20M
20.00 mi12:23:272:15:126:469:32
7:01
#4597
21M
21.00 mi12:30:492:22:346:477:22
7:22
#4516
35K
21.75 mi12:35:452:27:306:474:56
6:36
#4414
23M
23.00 mi12:44:282:36:136:488:43
6:58
#4318
24M
24.00 mi12:51:192:43:046:486:51
6:51
#4261
40K
24.85 mi12:57:142:48:596:485:55
6:55
#4207
25.2M
25.20 mi12:59:502:51:356:492:36
7:32
#4181
Finish
26.22 mi13:06:352:58:206:486:45
6:37
#4121
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5335495949594927(Top 17%)4590(Top 29%)4590(Top 204%)
10K6.21 mi3.10 mi5223+1124856+1034856+1035133(Top 18%)4776(Top 30%)4776(Top 213%)
15K9.32 mi3.11 mi5096+1274745+1114745+1114927(Top 17%)4590(Top 29%)4590(Top 204%)
20K12.43 mi3.11 mi4968+1284624+1214624+1214752(Top 17%)4397(Top 27%)4397(Top 196%)
Half13.11 mi0.68 mi4942+264602+224602+224523(Top 16%)4216(Top 26%)4216(Top 188%)
25K15.53 mi2.42 mi4783+1594449+1534449+1534336(Top 15%)4018(Top 25%)4018(Top 179%)
30K18.64 mi3.11 mi4663+1204333+1164333+1164389(Top 15%)4017(Top 25%)4017(Top 179%)
20M20.00 mi1.36 mi4597+664264+694264+694176(Top 15%)3815(Top 24%)3815(Top 170%)
21M21.00 mi1.00 mi4516+814190+744190+743933(Top 14%)3568(Top 22%)3568(Top 159%)
35K21.75 mi0.75 mi4414+1024095+954095+952923(Top 10%)2695(Top 17%)2695(Top 120%)
23M23.00 mi1.25 mi4318+964006+894006+893529(Top 12%)3199(Top 20%)3199(Top 142%)
24M24.00 mi1.00 mi4261+573940+663940+663783(Top 13%)3357(Top 21%)3357(Top 149%)
40K24.85 mi0.85 mi4207+543887+533887+533442(Top 12%)3061(Top 19%)3061(Top 136%)
25.2M25.20 mi0.35 mi4181+263859+283859+283547(Top 12%)3091(Top 19%)3091(Top 138%)
Finish26.22 mi1.02 mi4121+603801+583801+583448(Top 12%)3017(Top 19%)3017(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4927

Males

4590

M40-44

4590

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5133

Males

4776

M40-44

4776

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4927

Males

4590

M40-44

4590

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4752

Males

4397

M40-44

4397

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4523

Males

4216

M40-44

4216

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4336

Males

4018

M40-44

4018

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4389

Males

4017

M40-44

4017

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4176

Males

3815

M40-44

3815

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3933

Males

3568

M40-44

3568

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2923

Males

2695

M40-44

2695

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3529

Males

3199

M40-44

3199

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3783

Males

3357

M40-44

3357

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3442

Males

3061

M40-44

3061

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3547

Males

3091

M40-44

3091

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3448

Males

3017

M40-44

3017

Passing Analysis

Category:
Athletes Passed
1783
Passed By
569
Net Change
+1214
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5335
5K → 10K233121+112#5335#5223
10K → 15K21285+127#5223#5096
15K → 20K18961+128#5096#4968
20K → Half3610+26#4968#4942
Half → 25K18627+159#4942#4783
25K → 30K21999+120#4783#4663
30K → 20M10135+66#4663#4597
20M → 21M11534+81#4597#4516
21M → 35K1053+102#4516#4414
35K → 23M11620+96#4414#4318
23M → 24M8427+57#4318#4261
24M → 40K7622+54#4261#4207
40K → 25.2M359+26#4207#4181
25.2M → Finish7616+60#4181#4121
TOTALS1783569+1214
📊

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