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BOSTON MARATHON 2025

Sam Stolkner

Bib: 6115•M

ME

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
23:15
Rank: #12088
Start → 5K
23:15 | 7:29/mi
10K· 6.21 mi
46:29
Rank: #11960 (+128)
5K → 10K
23:14 | 7:29/mi
15K· 9.32 mi
1:10:07
Rank: #12186 (-226)
10K → 15K
23:38 | 7:36/mi
20K· 12.43 mi
1:34:01
Rank: #12203 (-17)
15K → 20K
23:54 | 7:42/mi
Half· 13.11 mi
1:39:13
Rank: #12234 (-31)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:58:16
Rank: #12306 (-72)
Half → 25K
19:03 | 7:51/mi
30K· 18.64 mi
2:24:57
Rank: #12862 (-556)
25K → 30K
26:41 | 8:35/mi
20M
2:37:26
Rank: #13307 (-445)
30K → 20M
12:29 | 9:11/mi
21M
2:47:18
Rank: #13601 (-294)
20M → 21M
9:52 | 9:52/mi
35K· 21.75 mi
2:54:23
Rank: #13911 (-310)
21M → 35K
7:05 | 9:28/mi
23M
3:07:17
Rank: #14621 (-710)
35K → 23M
12:54 | 10:18/mi
24M
3:17:43
Rank: #15168 (-547)
23M → 24M
10:26 | 10:26/mi
40K· 24.85 mi
3:27:21
Rank: #15692 (-524)
24M → 40K
9:38 | 11:16/mi
25.2M
3:31:30
Rank: #15894 (-202)
40K → 25.2M
4:09 | 12:02/mi
Finish· 26.22 mi
3:43:28
Rank: #16731 (-837)
25.2M → Finish
11:58 | 11:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:13
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time2:04:15
Pace9:29 /mi
📊Positive Split: 25.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:3923:157:2923:15
7:29
-
10K
6.21 mi10:54:5346:297:2923:14
7:29
0:00
15K
9.32 mi11:18:311:10:077:3123:38
7:36
+0:07
20K
12.43 mi11:42:251:34:017:3423:54
7:42
+0:06
Half
13.11 mi11:47:371:39:137:345:12
7:37
-0:05
25K
15.53 mi12:06:401:58:167:3719:03
7:51
+0:14
30K
18.64 mi12:33:212:24:577:4726:41
8:35
+0:44
20M
20.00 mi12:45:502:37:267:5212:29
9:11
+0:36
21M
21.00 mi12:55:422:47:187:589:52
9:52
+0:41
35K
21.75 mi13:02:472:54:238:017:05
9:28
-0:24
23M
23.00 mi13:15:413:07:178:0912:54
10:18
+0:50
24M
24.00 mi13:26:073:17:438:1410:26
10:26
+0:08
40K
24.85 mi13:35:453:27:218:219:38
11:16
+0:50
25.2M
25.20 mi13:39:543:31:308:244:09
12:02
+0:46
Finish
26.22 mi13:51:523:43:288:3211:58
11:45
-0:17

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

7:29 /mi

Average Pace

8:32 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:16

53% of race

Time at Steady Pace

56:07

25% of race

Time at Slower Pace

49:05

22% of race

Average Pace: 8:31 /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 mi10:31:3923:157:2923:15
7:29
#12088
10K
6.21 mi10:54:5346:297:2923:14
7:29
#11960
15K
9.32 mi11:18:311:10:077:3123:38
7:36
#12186
20K
12.43 mi11:42:251:34:017:3423:54
7:42
#12203
Half
13.11 mi11:47:371:39:137:345:12
7:37
#12234
25K
15.53 mi12:06:401:58:167:3719:03
7:51
#12306
30K
18.64 mi12:33:212:24:577:4726:41
8:35
#12862
20M
20.00 mi12:45:502:37:267:5212:29
9:11
#13307
21M
21.00 mi12:55:422:47:187:589:52
9:52
#13601
35K
21.75 mi13:02:472:54:238:017:05
9:28
#13911
23M
23.00 mi13:15:413:07:178:0912:54
10:18
#14621
24M
24.00 mi13:26:073:17:438:1410:26
10:26
#15168
40K
24.85 mi13:35:453:27:218:219:38
11:16
#15692
25.2M
25.20 mi13:39:543:31:308:244:09
12:02
#15894
Finish
26.22 mi13:51:523:43:288:3211:58
11:45
#16731
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi120889217921712648(Top 45%)9366(Top 58%)9366(Top 166%)
10K6.21 mi3.10 mi11960+1289142+759142+7511900(Top 42%)9113(Top 57%)9113(Top 162%)
15K9.32 mi3.11 mi12186-2269213-719213-7112648(Top 45%)9366(Top 58%)9366(Top 166%)
20K12.43 mi3.11 mi12203-179188+259188+2512342(Top 43%)9123(Top 57%)9123(Top 162%)
Half13.11 mi0.68 mi12234-319195-79195-712755(Top 45%)9378(Top 58%)9378(Top 166%)
25K15.53 mi2.42 mi12306-729196-19196-112809(Top 45%)9212(Top 57%)9212(Top 163%)
30K18.64 mi3.11 mi12862-5569367-1719367-17115312(Top 54%)10193(Top 63%)10193(Top 181%)
20M20.00 mi1.36 mi13307-4459522-1559522-15517703(Top 62%)11121(Top 69%)11121(Top 197%)
21M21.00 mi1.00 mi13601-2949612-909612-9017751(Top 62%)11037(Top 69%)11037(Top 196%)
35K21.75 mi0.75 mi13911-3109737-1259737-12520193(Top 71%)12056(Top 75%)12056(Top 214%)
23M23.00 mi1.25 mi14621-71010021-28410021-28421412(Top 75%)12595(Top 78%)12595(Top 223%)
24M24.00 mi1.00 mi15168-54710224-20310224-20322612(Top 80%)13111(Top 81%)13111(Top 232%)
40K24.85 mi0.85 mi15692-52410425-20110425-20123691(Top 83%)13603(Top 84%)13603(Top 241%)
25.2M25.20 mi0.35 mi15894-20210492-6710492-6723265(Top 82%)13399(Top 83%)13399(Top 237%)
Finish26.22 mi1.02 mi16731-83710817-32510817-32526467(Top 93%)15027(Top 93%)15027(Top 266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12648

Males

9366

M18-39

9366

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11900

Males

9113

M18-39

9113

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12648

Males

9366

M18-39

9366

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12342

Males

9123

M18-39

9123

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12755

Males

9378

M18-39

9378

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12809

Males

9212

M18-39

9212

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

15312

Males

10193

M18-39

10193

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17703

Males

11121

M18-39

11121

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17751

Males

11037

M18-39

11037

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20193

Males

12056

M18-39

12056

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21412

Males

12595

M18-39

12595

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22612

Males

13111

M18-39

13111

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23691

Males

13603

M18-39

13603

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23265

Males

13399

M18-39

13399

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

26467

Males

15027

M18-39

15027

Passing Analysis

Category:
Athletes Passed
1024
Passed By
5667
Net Change
-4643
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12088
5K → 10K321193+128#12088#11960
10K → 15K115341-226#11960#12186
15K → 20K183200-17#12186#12203
20K → Half1748-31#12203#12234
Half → 25K131203-72#12234#12306
25K → 30K105661-556#12306#12862
30K → 20M43488-445#12862#13307
20M → 21M47341-294#13307#13601
21M → 35K10320-310#13601#13911
35K → 23M19729-710#13911#14621
23M → 24M14561-547#14621#15168
24M → 40K9533-524#15168#15692
40K → 25.2M7209-202#15692#15894
25.2M → Finish3840-837#15894#16731
TOTALS10245667-4643
📊

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