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BOSTON MARATHON 2025

Samuel Glaes

Bib: 30447•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:07
Rank: #21126
Start → 5K
27:07 | 8:44/mi
10K· 6.21 mi
51:57
Rank: #18991 (+2135)
5K → 10K
24:50 | 8:00/mi
15K· 9.32 mi
1:16:21
Rank: #17701 (+1290)
10K → 15K
24:24 | 7:51/mi
20K· 12.43 mi
1:40:59
Rank: #16862 (+839)
15K → 20K
24:38 | 7:56/mi
Half· 13.11 mi
1:46:08
Rank: #16639 (+223)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
2:05:42
Rank: #16260 (+379)
Half → 25K
19:34 | 8:04/mi
30K· 18.64 mi
2:32:05
Rank: #15923 (+337)
25K → 30K
26:23 | 8:30/mi
20M
2:43:25
Rank: #15630 (+293)
30K → 20M
11:20 | 8:20/mi
21M
2:52:25
Rank: #15463 (+167)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
2:58:33
Rank: #15371 (+92)
21M → 35K
6:08 | 8:12/mi
23M
3:09:09
Rank: #15216 (+155)
35K → 23M
10:36 | 8:28/mi
24M
3:17:49
Rank: #15202 (+14)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:25:43
Rank: #15286 (-84)
24M → 40K
7:54 | 9:14/mi
25.2M
3:29:08
Rank: #15308 (-22)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:37:26
Rank: #15249 (+59)
25.2M → Finish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:08
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:51:18
Pace8:29 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4127:078:4427:07
8:44
-
10K
6.21 mi12:15:3151:578:2224:50
8:00
-0:44
15K
9.32 mi12:39:551:16:218:1124:24
7:51
-0:09
20K
12.43 mi13:04:331:40:598:0824:38
7:56
+0:05
Half
13.11 mi13:09:421:46:088:065:09
7:33
-0:23
25K
15.53 mi13:29:162:05:428:0619:34
8:04
+0:31
30K
18.64 mi13:55:392:32:058:1026:23
8:30
+0:26
20M
20.00 mi14:06:592:43:258:1011:20
8:20
-0:10
21M
21.00 mi14:15:592:52:258:139:00
9:00
+0:40
35K
21.75 mi14:22:072:58:338:136:08
8:12
-0:48
23M
23.00 mi14:32:433:09:098:1310:36
8:28
+0:16
24M
24.00 mi14:41:233:17:498:158:40
8:40
+0:12
40K
24.85 mi14:49:173:25:438:177:54
9:14
+0:34
25.2M
25.20 mi14:52:423:29:088:183:25
9:54
+0:40
Finish
26.22 mi15:01:003:37:268:188:18
8:09
-1:45

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

7:33 /mi

Average Pace

8:18 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:01

36% of race

Time at Steady Pace

1:22:19

38% of race

Time at Slower Pace

56:06

26% of race

Average Pace: 8:18 /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 mi11:50:4127:078:4427:07
8:44
#21126
10K
6.21 mi12:15:3151:578:2224:50
8:00
#18991
15K
9.32 mi12:39:551:16:218:1124:24
7:51
#17701
20K
12.43 mi13:04:331:40:598:0824:38
7:56
#16862
Half
13.11 mi13:09:421:46:088:065:09
7:33
#16639
25K
15.53 mi13:29:162:05:428:0619:34
8:04
#16260
30K
18.64 mi13:55:392:32:058:1026:23
8:30
#15923
20M
20.00 mi14:06:592:43:258:1011:20
8:20
#15630
21M
21.00 mi14:15:592:52:258:139:00
9:00
#15463
35K
21.75 mi14:22:072:58:338:136:08
8:12
#15371
23M
23.00 mi14:32:433:09:098:1310:36
8:28
#15216
24M
24.00 mi14:41:233:17:498:158:40
8:40
#15202
40K
24.85 mi14:49:173:25:438:177:54
9:14
#15286
25.2M
25.20 mi14:52:423:29:088:183:25
9:54
#15308
Finish
26.22 mi15:01:003:37:268:188:18
8:09
#15249
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21126129151291514838(Top 52%)10302(Top 64%)10302(Top 183%)
10K6.21 mi3.10 mi18991+213512037+87812037+87816414(Top 58%)10990(Top 68%)10990(Top 195%)
15K9.32 mi3.11 mi17701+129011504+53311504+53314838(Top 52%)10302(Top 64%)10302(Top 183%)
20K12.43 mi3.11 mi16862+83911157+34711157+34714342(Top 50%)10031(Top 62%)10031(Top 178%)
Half13.11 mi0.68 mi16639+22311061+9611061+9612121(Top 43%)9093(Top 56%)9093(Top 161%)
25K15.53 mi2.42 mi16260+37910895+16610895+16614419(Top 51%)9941(Top 62%)9941(Top 176%)
30K18.64 mi3.11 mi15923+33710698+19710698+19714684(Top 52%)9915(Top 62%)9915(Top 176%)
20M20.00 mi1.36 mi15630+29310530+16810530+16812755(Top 45%)8897(Top 55%)8897(Top 158%)
21M21.00 mi1.00 mi15463+16710427+10310427+10313486(Top 47%)9100(Top 57%)9100(Top 161%)
35K21.75 mi0.75 mi15371+9210374+5310374+5313605(Top 48%)9098(Top 56%)9098(Top 161%)
23M23.00 mi1.25 mi15216+15510272+10210272+10213097(Top 46%)8748(Top 54%)8748(Top 155%)
24M24.00 mi1.00 mi15202+1410235+3710235+3715520(Top 55%)9823(Top 61%)9823(Top 174%)
40K24.85 mi0.85 mi15286-8410239-410239-417515(Top 62%)10603(Top 66%)10603(Top 188%)
25.2M25.20 mi0.35 mi15308-2210234+510234+516547(Top 58%)10140(Top 63%)10140(Top 180%)
Finish26.22 mi1.02 mi15249+5910191+4310191+4313893(Top 49%)8962(Top 56%)8962(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14838

Males

10302

M18-39

10302

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16414

Males

10990

M18-39

10990

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14838

Males

10302

M18-39

10302

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14342

Males

10031

M18-39

10031

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12121

Males

9093

M18-39

9093

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

14419

Males

9941

M18-39

9941

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14684

Males

9915

M18-39

9915

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12755

Males

8897

M18-39

8897

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13486

Males

9100

M18-39

9100

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13605

Males

9098

M18-39

9098

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13097

Males

8748

M18-39

8748

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15520

Males

9823

M18-39

9823

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17515

Males

10603

M18-39

10603

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16547

Males

10140

M18-39

10140

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13893

Males

8962

M18-39

8962

Passing Analysis

Category:
Athletes Passed
6336
Passed By
459
Net Change
+5877
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21126
5K → 10K21372+2135#21126#18991
10K → 15K12955+1290#18991#17701
15K → 20K8390+839#17701#16862
20K → Half2230+223#16862#16639
Half → 25K38910+379#16639#16260
25K → 30K39861+337#16260#15923
30K → 20M30714+293#15923#15630
20M → 21M19831+167#15630#15463
21M → 35K10917+92#15463#15371
35K → 23M19035+155#15371#15216
23M → 24M8470+14#15216#15202
24M → 40K50134-84#15202#15286
40K → 25.2M2648-22#15286#15308
25.2M → Finish9132+59#15308#15249
TOTALS6336459+5877
📊

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