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BOSTON MARATHON 2025

Samuel St-Antoine

Bib: 536•M

QC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 1%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:45
Rank: #115
Start → 5K
16:45 | 5:23/mi
10K· 6.21 mi
33:48
Rank: #155 (-40)
5K → 10K
17:03 | 5:29/mi
15K· 9.32 mi
51:05
Rank: #170 (-15)
10K → 15K
17:17 | 5:34/mi
20K· 12.43 mi
1:08:32
Rank: #182 (-12)
15K → 20K
17:27 | 5:37/mi
Half· 13.11 mi
1:12:25
Rank: #188 (-6)
20K → Half
3:53 | 5:42/mi
25K· 15.53 mi
1:26:23
Rank: #206 (-18)
Half → 25K
13:58 | 5:46/mi
30K· 18.64 mi
1:45:02
Rank: #219 (-13)
25K → 30K
18:39 | 6:00/mi
20M
1:53:28
Rank: #249 (-30)
30K → 20M
8:26 | 6:12/mi
21M
2:00:08
Rank: #263 (-14)
20M → 21M
6:40 | 6:40/mi
35K· 21.75 mi
2:04:31
Rank: #261 (+2)
21M → 35K
4:23 | 5:52/mi
23M
2:12:49
Rank: #289 (-28)
35K → 23M
8:18 | 6:38/mi
24M
2:19:09
Rank: #301 (-12)
23M → 24M
6:20 | 6:20/mi
40K· 24.85 mi
2:24:29
Rank: #307 (-6)
24M → 40K
5:20 | 6:14/mi
25.2M
2:26:54
Rank: #322 (-15)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:33:01
Rank: #322
25.2M → Finish
6:07 | 6:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:12:25
Pace5:31 /mi
2nd Half
Distance13.11 mi
Time1:20:36
Pace6:09 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:5416:455:2316:45
5:23
-
10K
6.21 mi10:33:5733:485:2617:03
5:29
+0:06
15K
9.32 mi10:51:1451:055:2917:17
5:34
+0:05
20K
12.43 mi11:08:411:08:325:3117:27
5:37
+0:03
Half
13.11 mi11:12:341:12:255:313:53
5:42
+0:05
25K
15.53 mi11:26:321:26:235:3413:58
5:46
+0:04
30K
18.64 mi11:45:111:45:025:3818:39
6:00
+0:14
20M
20.00 mi11:53:371:53:285:408:26
6:12
+0:12
21M
21.00 mi12:00:172:00:085:436:40
6:40
+0:28
35K
21.75 mi12:04:402:04:315:444:23
5:52
-0:48
23M
23.00 mi12:12:582:12:495:468:18
6:38
+0:46
24M
24.00 mi12:19:182:19:095:486:20
6:20
-0:18
40K
24.85 mi12:24:382:24:295:495:20
6:14
-0:06
25.2M
25.20 mi12:27:032:26:545:502:25
7:00
+0:46
Finish
26.22 mi12:33:102:33:015:506:07
6:00
-1:00

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

5:23 /mi

Average Pace

5:50 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:23

56% of race

Time at Steady Pace

37:35

25% of race

Time at Slower Pace

29:03

19% of race

Average Pace: 5:50 /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 mi10:16:5416:455:2316:45
5:23
#115
10K
6.21 mi10:33:5733:485:2617:03
5:29
#155
15K
9.32 mi10:51:1451:055:2917:17
5:34
#170
20K
12.43 mi11:08:411:08:325:3117:27
5:37
#182
Half
13.11 mi11:12:341:12:255:313:53
5:42
#188
25K
15.53 mi11:26:321:26:235:3413:58
5:46
#206
30K
18.64 mi11:45:111:45:025:3818:39
6:00
#219
20M
20.00 mi11:53:371:53:285:408:26
6:12
#249
21M
21.00 mi12:00:172:00:085:436:40
6:40
#263
35K
21.75 mi12:04:402:04:315:444:23
5:52
#261
23M
23.00 mi12:12:582:12:495:468:18
6:38
#289
24M
24.00 mi12:19:182:19:095:486:20
6:20
#301
40K
24.85 mi12:24:382:24:295:495:20
6:14
#307
25.2M
25.20 mi12:27:032:26:545:502:25
7:00
#322
Finish
26.22 mi12:33:102:33:015:506:07
6:00
#322
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi115114114218(Top 0.8%)191(Top 1%)191(Top 3%)
10K6.21 mi3.10 mi155-40132-18132-18191(Top 0.7%)164(Top 1%)164(Top 3%)
15K9.32 mi3.11 mi170-15145-13145-13218(Top 0.8%)191(Top 1%)191(Top 3%)
20K12.43 mi3.11 mi182-12157-12157-12214(Top 0.8%)190(Top 1%)190(Top 3%)
Half13.11 mi0.68 mi188-6162-5162-5406(Top 1%)379(Top 2%)379(Top 7%)
25K15.53 mi2.42 mi206-18180-18180-18361(Top 1%)335(Top 2%)335(Top 6%)
30K18.64 mi3.11 mi219-13194-14194-14485(Top 2%)451(Top 3%)451(Top 8%)
20M20.00 mi1.36 mi249-30225-31225-31726(Top 3%)684(Top 4%)684(Top 12%)
21M21.00 mi1.00 mi263-14238-13238-131084(Top 4%)1023(Top 6%)1023(Top 18%)
35K21.75 mi0.75 mi261+2238238449(Top 2%)417(Top 3%)417(Top 7%)
23M23.00 mi1.25 mi289-28264-26264-261923(Top 7%)1794(Top 11%)1794(Top 32%)
24M24.00 mi1.00 mi301-12276-12276-121377(Top 5%)1288(Top 8%)1288(Top 23%)
40K24.85 mi0.85 mi307-6280-4280-4792(Top 3%)741(Top 5%)741(Top 13%)
25.2M25.20 mi0.35 mi322-15295-15295-151437(Top 5%)1308(Top 8%)1308(Top 23%)
Finish26.22 mi1.02 mi322295295904(Top 3%)849(Top 5%)849(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.8%
×21stories
+97ft-345ft

Overall

218

Males

191

M18-39

191

5K→10K

3.1 - 6.2 mi

Top 0.7%
×5stories
+79ft-138ft

Overall

191

Males

164

M18-39

164

10K→15K

6.2 - 9.3 mi

Top 0.8%
×3stories
+67ft-78ft

Overall

218

Males

191

M18-39

191

15K→20K

9.3 - 12.4 mi

Top 0.8%
×5stories
+106ft-86ft

Overall

214

Males

190

M18-39

190

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

406

Males

379

M18-39

379

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

361

Males

335

M18-39

335

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

485

Males

451

M18-39

451

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

726

Males

684

M18-39

684

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1084

Males

1023

M18-39

1023

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

449

Males

417

M18-39

417

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1923

Males

1794

M18-39

1794

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1377

Males

1288

M18-39

1288

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

792

Males

741

M18-39

741

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1437

Males

1308

M18-39

1308

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

904

Males

849

M18-39

849

Passing Analysis

Category:
Athletes Passed
53
Passed By
260
Net Change
-207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#115
5K → 10K444-40#115#155
10K → 15K318-15#155#170
15K → 20K618-12#170#182
20K → Half06-6#182#188
Half → 25K624-18#188#206
25K → 30K619-13#206#219
30K → 20M232-30#219#249
20M → 21M216-14#249#263
21M → 35K64+2#263#261
35K → 23M331-28#261#289
23M → 24M315-12#289#301
24M → 40K612-6#301#307
40K → 25.2M015-15#307#322
25.2M → Finish660#322#322
TOTALS53260-207
📊

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