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BOSTON MARATHON 2025

Mark Schefter

Bib: 684•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.6%
Gender (Male)
#0 / 16105
Top 1.0%
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
17:14
Rank: #249
Start → 5K
17:14 | 5:33/mi
10K· 6.21 mi
34:27
Rank: #253 (-4)
5K → 10K
17:13 | 5:32/mi
15K· 9.32 mi
52:06
Rank: #271 (-18)
10K → 15K
17:39 | 5:41/mi
20K· 12.43 mi
1:09:51
Rank: #275 (-4)
15K → 20K
17:45 | 5:43/mi
Half· 13.11 mi
1:13:37
Rank: #271 (+4)
20K → Half
3:46 | 5:31/mi
25K· 15.53 mi
1:27:21
Rank: #261 (+10)
Half → 25K
13:44 | 5:40/mi
30K· 18.64 mi
1:45:19
Rank: #238 (+23)
25K → 30K
17:58 | 5:47/mi
20M
1:53:17
Rank: #229 (+9)
30K → 20M
7:58 | 5:52/mi
21M
1:59:27
Rank: #222 (+7)
20M → 21M
6:10 | 6:10/mi
35K· 21.75 mi
2:03:38
Rank: #217 (+5)
21M → 35K
4:11 | 5:36/mi
23M
2:10:56
Rank: #204 (+13)
35K → 23M
7:18 | 5:50/mi
24M
2:16:38
Rank: #195 (+9)
23M → 24M
5:42 | 5:42/mi
40K· 24.85 mi
2:21:35
Rank: #188 (+7)
24M → 40K
4:57 | 5:47/mi
25.2M
2:23:45
Rank: #186 (+2)
40K → 25.2M
2:10 | 6:17/mi
Finish· 26.22 mi
2:29:23
Rank: #178 (+8)
25.2M → Finish
5:38 | 5:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:13:37
Pace5:37 /mi
2nd Half
Distance13.11 mi
Time1:15:46
Pace5:47 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2317:145:3317:14
5:33
-
10K
6.21 mi10:34:3634:275:3317:13
5:32
-0:01
15K
9.32 mi10:52:1552:065:3517:39
5:41
+0:09
20K
12.43 mi11:10:001:09:515:3717:45
5:43
+0:02
Half
13.11 mi11:13:461:13:375:373:46
5:31
-0:12
25K
15.53 mi11:27:301:27:215:3713:44
5:40
+0:09
30K
18.64 mi11:45:281:45:195:3917:58
5:47
+0:07
20M
20.00 mi11:53:261:53:175:407:58
5:52
+0:05
21M
21.00 mi11:59:361:59:275:416:10
6:10
+0:18
35K
21.75 mi12:03:472:03:385:414:11
5:36
-0:34
23M
23.00 mi12:11:052:10:565:427:18
5:50
+0:14
24M
24.00 mi12:16:472:16:385:425:42
5:42
-0:08
40K
24.85 mi12:21:442:21:355:424:57
5:47
+0:05
25.2M
25.20 mi12:23:542:23:455:422:10
6:17
+0:30
Finish
26.22 mi12:29:322:29:235:425:38
5:32
-0:45

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

5:31 /mi

Average Pace

5:42 /mi

Slowest Pace

6:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:03

94% of race

Time at Steady Pace

8:20

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:42 /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 mi10:17:2317:145:3317:14
5:33
#249
10K
6.21 mi10:34:3634:275:3317:13
5:32
#253
15K
9.32 mi10:52:1552:065:3517:39
5:41
#271
20K
12.43 mi11:10:001:09:515:3717:45
5:43
#275
Half
13.11 mi11:13:461:13:375:373:46
5:31
#271
25K
15.53 mi11:27:301:27:215:3713:44
5:40
#261
30K
18.64 mi11:45:281:45:195:3917:58
5:47
#238
20M
20.00 mi11:53:261:53:175:407:58
5:52
#229
21M
21.00 mi11:59:361:59:275:416:10
6:10
#222
35K
21.75 mi12:03:472:03:385:414:11
5:36
#217
23M
23.00 mi12:11:052:10:565:427:18
5:50
#204
24M
24.00 mi12:16:472:16:385:425:42
5:42
#195
40K
24.85 mi12:21:442:21:355:424:57
5:47
#188
25.2M
25.20 mi12:23:542:23:455:422:10
6:17
#186
Finish
26.22 mi12:29:322:29:235:425:38
5:32
#178
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi249221221352(Top 1%)323(Top 2%)323(Top 6%)
10K6.21 mi3.10 mi253-4224-3224-3241(Top 0.8%)212(Top 1%)212(Top 4%)
15K9.32 mi3.11 mi271-18242-18242-18352(Top 1%)323(Top 2%)323(Top 6%)
20K12.43 mi3.11 mi275-4246-4246-4332(Top 1%)303(Top 2%)303(Top 5%)
Half13.11 mi0.68 mi271+4243+3243+3204(Top 0.7%)182(Top 1%)182(Top 3%)
25K15.53 mi2.42 mi261+10235+8235+8252(Top 0.9%)226(Top 1%)226(Top 4%)
30K18.64 mi3.11 mi238+23212+23212+23232(Top 0.8%)210(Top 1%)210(Top 4%)
20M20.00 mi1.36 mi229+9205+7205+7231(Top 0.8%)212(Top 1%)212(Top 4%)
21M21.00 mi1.00 mi222+7199+6199+6232(Top 0.8%)215(Top 1%)215(Top 4%)
35K21.75 mi0.75 mi217+5195+4195+4170(Top 0.6%)154(Top 1.0%)154(Top 3%)
23M23.00 mi1.25 mi204+13182+13182+13183(Top 0.6%)170(Top 1%)170(Top 3%)
24M24.00 mi1.00 mi195+9174+8174+8187(Top 0.7%)171(Top 1%)171(Top 3%)
40K24.85 mi0.85 mi188+7167+7167+7177(Top 0.6%)164(Top 1%)164(Top 3%)
25.2M25.20 mi0.35 mi186+2165+2165+2207(Top 0.7%)191(Top 1%)191(Top 3%)
Finish26.22 mi1.02 mi178+8157+8157+8166(Top 0.6%)158(Top 1.0%)158(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

352

Males

323

M18-39

323

5K→10K

3.1 - 6.2 mi

Top 0.8%
×5stories
+79ft-138ft

Overall

241

Males

212

M18-39

212

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

352

Males

323

M18-39

323

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

332

Males

303

M18-39

303

20K→Half

12.4 - 13.1 mi

Top 0.7%
×2stories
+19ft-37ft

Overall

204

Males

182

M18-39

182

Half→25K

13.1 - 15.5 mi

Top 0.9%
×4stories
+66ft-88ft

Overall

252

Males

226

M18-39

226

25K→30K

15.5 - 18.6 mi

Top 0.8%
×9stories
+181ft-148ft

Overall

232

Males

210

M18-39

210

30K→20M

18.6 - 20.0 mi

Top 0.8%
×5stories
+64ft-50ft

Overall

231

Males

212

M18-39

212

20M→21M

20.0 - 21.0 mi

Top 0.8%
×8stories
+106ft-24ft

Overall

232

Males

215

M18-39

215

21M→35K

21.0 - 21.8 mi

Top 0.6%
×7stories
+17ft-86ft

Overall

170

Males

154

M18-39

154

35K→23M

21.8 - 23.0 mi

Top 0.6%
×5stories
+23ft-63ft

Overall

183

Males

170

M18-39

170

23M→24M

23.0 - 24.0 mi

Top 0.7%
×6stories
+12ft-82ft

Overall

187

Males

171

M18-39

171

24M→40K

24.0 - 24.9 mi

Top 0.6%
×1story
+6ft-20ft

Overall

177

Males

164

M18-39

164

40K→25.2M

24.9 - 25.2 mi

Top 0.7%
×1story
+13ft-16ft

Overall

207

Males

191

M18-39

191

25.2M→Finish

25.2 - 26.2 mi

Top 0.6%
×2stories
+22ft-21ft

Overall

166

Males

158

M18-39

158

Passing Analysis

Category:
Athletes Passed
141
Passed By
70
Net Change
+71
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#249
5K → 10K1115-4#249#253
10K → 15K321-18#253#271
15K → 20K711-4#271#275
20K → Half40+4#275#271
Half → 25K155+10#271#261
25K → 30K285+23#261#238
30K → 20M123+9#238#229
20M → 21M136+7#229#222
21M → 35K50+5#222#217
35K → 23M152+13#217#204
23M → 24M101+9#204#195
24M → 40K81+7#195#188
40K → 25.2M20+2#188#186
25.2M → Finish80+8#186#178
TOTALS14170+71
📊

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