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BOSTON MARATHON 2025

Liam Fleming

Bib: 1065•M

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.8%
Gender (Male)
#0 / 16105
Top 1%
Division (M18-39)
#0 / 5642
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:44
Rank: #437
Start → 5K
17:44 | 5:42/mi
10K· 6.21 mi
35:27
Rank: #447 (-10)
5K → 10K
17:43 | 5:42/mi
15K· 9.32 mi
53:15
Rank: #424 (+23)
10K → 15K
17:48 | 5:44/mi
20K· 12.43 mi
1:10:58
Rank: #390 (+34)
15K → 20K
17:43 | 5:42/mi
Half· 13.11 mi
1:14:49
Rank: #386 (+4)
20K → Half
3:51 | 5:39/mi
25K· 15.53 mi
1:28:43
Rank: #378 (+8)
Half → 25K
13:54 | 5:44/mi
30K· 18.64 mi
1:46:35
Rank: #331 (+47)
25K → 30K
17:52 | 5:45/mi
20M
1:54:28
Rank: #308 (+23)
30K → 20M
7:53 | 5:48/mi
21M
2:00:28
Rank: #278 (+30)
20M → 21M
6:00 | 6:00/mi
35K· 21.75 mi
2:04:46
Rank: #272 (+6)
21M → 35K
4:18 | 5:45/mi
23M
2:12:04
Rank: #256 (+16)
35K → 23M
7:18 | 5:50/mi
24M
2:17:42
Rank: #246 (+10)
23M → 24M
5:38 | 5:38/mi
40K· 24.85 mi
2:22:39
Rank: #237 (+9)
24M → 40K
4:57 | 5:47/mi
25.2M
2:24:48
Rank: #233 (+4)
40K → 25.2M
2:09 | 6:14/mi
Finish· 26.22 mi
2:30:31
Rank: #225 (+8)
25.2M → Finish
5:43 | 5:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:49
Pace5:42 /mi
2nd Half
Distance13.11 mi
Time1:15:42
Pace5:46 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5017:445:4217:44
5:42
-
10K
6.21 mi10:35:3335:275:4217:43
5:42
0:00
15K
9.32 mi10:53:2153:155:4317:48
5:44
+0:02
20K
12.43 mi11:11:041:10:585:4317:43
5:42
-0:02
Half
13.11 mi11:14:551:14:495:423:51
5:39
-0:03
25K
15.53 mi11:28:491:28:435:4313:54
5:44
+0:05
30K
18.64 mi11:46:411:46:355:4317:52
5:45
+0:01
20M
20.00 mi11:54:341:54:285:437:53
5:48
+0:03
21M
21.00 mi12:00:342:00:285:446:00
6:00
+0:12
35K
21.75 mi12:04:522:04:465:444:18
5:45
-0:15
23M
23.00 mi12:12:102:12:045:457:18
5:50
+0:05
24M
24.00 mi12:17:482:17:425:445:38
5:38
-0:12
40K
24.85 mi12:22:452:22:395:444:57
5:47
+0:09
25.2M
25.20 mi12:24:542:24:485:452:09
6:14
+0:27
Finish
26.22 mi12:30:372:30:315:455:43
5:37
-0:37

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

5:37 /mi

Average Pace

5:45 /mi

Slowest Pace

6:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:22

99% of race

Time at Steady Pace

2:09

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:44 /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 mi10:17:5017:445:4217:44
5:42
#437
10K
6.21 mi10:35:3335:275:4217:43
5:42
#447
15K
9.32 mi10:53:2153:155:4317:48
5:44
#424
20K
12.43 mi11:11:041:10:585:4317:43
5:42
#390
Half
13.11 mi11:14:551:14:495:423:51
5:39
#386
25K
15.53 mi11:28:491:28:435:4313:54
5:44
#378
30K
18.64 mi11:46:411:46:355:4317:52
5:45
#331
20M
20.00 mi11:54:341:54:285:437:53
5:48
#308
21M
21.00 mi12:00:342:00:285:446:00
6:00
#278
35K
21.75 mi12:04:522:04:465:444:18
5:45
#272
23M
23.00 mi12:12:102:12:045:457:18
5:50
#256
24M
24.00 mi12:17:482:17:425:445:38
5:38
#246
40K
24.85 mi12:22:452:22:395:444:57
5:47
#237
25.2M
25.20 mi12:24:542:24:485:452:09
6:14
#233
Finish
26.22 mi12:30:372:30:315:455:43
5:37
#225
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi437399399415(Top 1%)385(Top 2%)385(Top 7%)
10K6.21 mi3.10 mi447-10410-11410-11447(Top 2%)411(Top 3%)411(Top 7%)
15K9.32 mi3.11 mi424+23389+21389+21415(Top 1%)385(Top 2%)385(Top 7%)
20K12.43 mi3.11 mi390+34358+31358+31316(Top 1%)287(Top 2%)287(Top 5%)
Half13.11 mi0.68 mi386+4354+4354+4345(Top 1%)319(Top 2%)319(Top 6%)
25K15.53 mi2.42 mi378+8346+8346+8322(Top 1%)296(Top 2%)296(Top 5%)
30K18.64 mi3.11 mi331+47303+43303+43207(Top 0.7%)185(Top 1%)185(Top 3%)
20M20.00 mi1.36 mi308+23281+22281+22190(Top 0.7%)173(Top 1%)173(Top 3%)
21M21.00 mi1.00 mi278+30252+29252+29123(Top 0.4%)116(Top 0.7%)116(Top 2%)
35K21.75 mi0.75 mi272+6248+4248+4311(Top 1%)289(Top 2%)289(Top 5%)
23M23.00 mi1.25 mi256+16233+15233+15187(Top 0.7%)174(Top 1%)174(Top 3%)
24M24.00 mi1.00 mi246+10223+10223+10150(Top 0.5%)138(Top 0.9%)138(Top 2%)
40K24.85 mi0.85 mi237+9215+8215+8181(Top 0.6%)168(Top 1%)168(Top 3%)
25.2M25.20 mi0.35 mi233+4211+4211+4180(Top 0.6%)170(Top 1%)170(Top 3%)
Finish26.22 mi1.02 mi225+8203+8203+8241(Top 0.8%)228(Top 1%)228(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

415

Males

385

M18-39

385

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

447

Males

411

M18-39

411

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

415

Males

385

M18-39

385

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

316

Males

287

M18-39

287

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

345

Males

319

M18-39

319

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

322

Males

296

M18-39

296

25K→30K

15.5 - 18.6 mi

Top 0.7%
×9stories
+181ft-148ft

Overall

207

Males

185

M18-39

185

30K→20M

18.6 - 20.0 mi

Top 0.7%
×5stories
+64ft-50ft

Overall

190

Males

173

M18-39

173

20M→21M

20.0 - 21.0 mi

Top 0.4%
×8stories
+106ft-24ft

Overall

123

Males

116

M18-39

116

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

311

Males

289

M18-39

289

35K→23M

21.8 - 23.0 mi

Top 0.7%
×5stories
+23ft-63ft

Overall

187

Males

174

M18-39

174

23M→24M

23.0 - 24.0 mi

Top 0.5%
×6stories
+12ft-82ft

Overall

150

Males

138

M18-39

138

24M→40K

24.0 - 24.9 mi

Top 0.6%
×1story
+6ft-20ft

Overall

181

Males

168

M18-39

168

40K→25.2M

24.9 - 25.2 mi

Top 0.6%
×1story
+13ft-16ft

Overall

180

Males

170

M18-39

170

25.2M→Finish

25.2 - 26.2 mi

Top 0.8%
×2stories
+22ft-21ft

Overall

241

Males

228

M18-39

228

Passing Analysis

Category:
Athletes Passed
265
Passed By
53
Net Change
+212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#437
5K → 10K1525-10#437#447
10K → 15K3512+23#447#424
15K → 20K373+34#424#390
20K → Half51+4#390#386
Half → 25K135+8#386#378
25K → 30K481+47#378#331
30K → 20M252+23#331#308
20M → 21M300+30#308#278
21M → 35K60+6#278#272
35K → 23M160+16#272#256
23M → 24M111+10#256#246
24M → 40K101+9#246#237
40K → 25.2M40+4#237#233
25.2M → Finish102+8#233#225
TOTALS26553+212
📊

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