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BOSTON MARATHON 2025

Sean Macdonald

Bib: 480•M

MA

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
17:50
Rank: #487
Start → 5K
17:50 | 5:44/mi
10K· 6.21 mi
35:31
Rank: #462 (+25)
5K → 10K
17:41 | 5:42/mi
15K· 9.32 mi
53:13
Rank: #417 (+45)
10K → 15K
17:42 | 5:42/mi
20K· 12.43 mi
1:10:42
Rank: #361 (+56)
15K → 20K
17:29 | 5:38/mi
Half· 13.11 mi
1:14:29
Rank: #354 (+7)
20K → Half
3:47 | 5:33/mi
25K· 15.53 mi
1:28:01
Rank: #313 (+41)
Half → 25K
13:32 | 5:35/mi
30K· 18.64 mi
1:45:53
Rank: #278 (+35)
25K → 30K
17:52 | 5:45/mi
20M
1:53:53
Rank: #273 (+5)
30K → 20M
8:00 | 5:53/mi
21M
2:00:01
Rank: #258 (+15)
20M → 21M
6:08 | 6:08/mi
35K· 21.75 mi
2:04:22
Rank: #253 (+5)
21M → 35K
4:21 | 5:49/mi
23M
2:11:45
Rank: #247 (+6)
35K → 23M
7:23 | 5:54/mi
24M
2:17:32
Rank: #240 (+7)
23M → 24M
5:47 | 5:47/mi
40K· 24.85 mi
2:22:35
Rank: #234 (+6)
24M → 40K
5:03 | 5:54/mi
25.2M
2:24:44
Rank: #230 (+4)
40K → 25.2M
2:09 | 6:14/mi
Finish· 26.22 mi
2:30:33
Rank: #229 (+1)
25.2M → Finish
5:49 | 5:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:29
Pace5:41 /mi
2nd Half
Distance13.11 mi
Time1:16:04
Pace5:48 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0417:505:4417:50
5:44
-
10K
6.21 mi10:35:4535:315:4317:41
5:42
-0:02
15K
9.32 mi10:53:2753:135:4317:42
5:42
0:00
20K
12.43 mi11:10:561:10:425:4117:29
5:38
-0:04
Half
13.11 mi11:14:431:14:295:413:47
5:33
-0:05
25K
15.53 mi11:28:151:28:015:4013:32
5:35
+0:02
30K
18.64 mi11:46:071:45:535:4117:52
5:45
+0:10
20M
20.00 mi11:54:071:53:535:428:00
5:53
+0:08
21M
21.00 mi12:00:152:00:015:436:08
6:08
+0:15
35K
21.75 mi12:04:362:04:225:434:21
5:49
-0:19
23M
23.00 mi12:11:592:11:455:447:23
5:54
+0:05
24M
24.00 mi12:17:462:17:325:445:47
5:47
-0:07
40K
24.85 mi12:22:492:22:355:445:03
5:54
+0:07
25.2M
25.20 mi12:24:582:24:445:452:09
6:14
+0:20
Finish
26.22 mi12:30:472:30:335:455:49
5:42
-0:32

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

5:33 /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

2:22:16

94% of race

Time at Steady Pace

8:17

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:45 /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 mi10:18:0417:505:4417:50
5:44
#487
10K
6.21 mi10:35:4535:315:4317:41
5:42
#462
15K
9.32 mi10:53:2753:135:4317:42
5:42
#417
20K
12.43 mi11:10:561:10:425:4117:29
5:38
#361
Half
13.11 mi11:14:431:14:295:413:47
5:33
#354
25K
15.53 mi11:28:151:28:015:4013:32
5:35
#313
30K
18.64 mi11:46:071:45:535:4117:52
5:45
#278
20M
20.00 mi11:54:071:53:535:428:00
5:53
#273
21M
21.00 mi12:00:152:00:015:436:08
6:08
#258
35K
21.75 mi12:04:362:04:225:434:21
5:49
#253
23M
23.00 mi12:11:592:11:455:447:23
5:54
#247
24M
24.00 mi12:17:462:17:325:445:47
5:47
#240
40K
24.85 mi12:22:492:22:355:445:03
5:54
#234
25.2M
25.20 mi12:24:582:24:445:452:09
6:14
#230
Finish
26.22 mi12:30:472:30:335:455:49
5:42
#229
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi487449449376(Top 1%)346(Top 2%)346(Top 6%)
10K6.21 mi3.10 mi462+25425+24425+24426(Top 1%)391(Top 2%)391(Top 7%)
15K9.32 mi3.11 mi417+45386+39386+39376(Top 1%)346(Top 2%)346(Top 6%)
20K12.43 mi3.11 mi361+56332+54332+54225(Top 0.8%)201(Top 1%)201(Top 4%)
Half13.11 mi0.68 mi354+7325+7325+7235(Top 0.8%)211(Top 1%)211(Top 4%)
25K15.53 mi2.42 mi313+41285+40285+40182(Top 0.6%)159(Top 1.0%)159(Top 3%)
30K18.64 mi3.11 mi278+35252+33252+33208(Top 0.7%)186(Top 1%)186(Top 3%)
20M20.00 mi1.36 mi273+5246+6246+6257(Top 0.9%)237(Top 1%)237(Top 4%)
21M21.00 mi1.00 mi258+15233+13233+13212(Top 0.7%)196(Top 1%)196(Top 3%)
35K21.75 mi0.75 mi253+5230+3230+3378(Top 1%)352(Top 2%)352(Top 6%)
23M23.00 mi1.25 mi247+6224+6224+6237(Top 0.8%)221(Top 1%)221(Top 4%)
24M24.00 mi1.00 mi240+7217+7217+7265(Top 0.9%)243(Top 2%)243(Top 4%)
40K24.85 mi0.85 mi234+6212+5212+5281(Top 1.0%)258(Top 2%)258(Top 5%)
25.2M25.20 mi0.35 mi230+4208+4208+4181(Top 0.6%)171(Top 1%)171(Top 3%)
Finish26.22 mi1.02 mi229+1207+1207+1367(Top 1%)344(Top 2%)344(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

376

Males

346

M18-39

346

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

426

Males

391

M18-39

391

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

376

Males

346

M18-39

346

15K→20K

9.3 - 12.4 mi

Top 0.8%
×5stories
+106ft-86ft

Overall

225

Males

201

M18-39

201

20K→Half

12.4 - 13.1 mi

Top 0.8%
×2stories
+19ft-37ft

Overall

235

Males

211

M18-39

211

Half→25K

13.1 - 15.5 mi

Top 0.6%
×4stories
+66ft-88ft

Overall

182

Males

159

M18-39

159

25K→30K

15.5 - 18.6 mi

Top 0.7%
×9stories
+181ft-148ft

Overall

208

Males

186

M18-39

186

30K→20M

18.6 - 20.0 mi

Top 0.9%
×5stories
+64ft-50ft

Overall

257

Males

237

M18-39

237

20M→21M

20.0 - 21.0 mi

Top 0.7%
×8stories
+106ft-24ft

Overall

212

Males

196

M18-39

196

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

378

Males

352

M18-39

352

35K→23M

21.8 - 23.0 mi

Top 0.8%
×5stories
+23ft-63ft

Overall

237

Males

221

M18-39

221

23M→24M

23.0 - 24.0 mi

Top 0.9%
×6stories
+12ft-82ft

Overall

265

Males

243

M18-39

243

24M→40K

24.0 - 24.9 mi

Top 1.0%
×1story
+6ft-20ft

Overall

281

Males

258

M18-39

258

40K→25.2M

24.9 - 25.2 mi

Top 0.6%
×1story
+13ft-16ft

Overall

181

Males

171

M18-39

171

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

367

Males

344

M18-39

344

Passing Analysis

Category:
Athletes Passed
306
Passed By
48
Net Change
+258
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#487
5K → 10K4015+25#487#462
10K → 15K505+45#462#417
15K → 20K571+56#417#361
20K → Half81+7#361#354
Half → 25K410+41#354#313
25K → 30K372+35#313#278
30K → 20M127+5#278#273
20M → 21M150+15#273#258
21M → 35K72+5#258#253
35K → 23M93+6#253#247
23M → 24M103+7#247#240
24M → 40K71+6#240#234
40K → 25.2M51+4#234#230
25.2M → Finish87+1#230#229
TOTALS30648+258
📊

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