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BOSTON MARATHON 2025

Jacob Styslinger

Bib: 3169•M

TX

0:00
0:00
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 33%
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
19:49
Rank: #2953
Start → 5K
19:49 | 6:23/mi
10K· 6.21 mi
40:04
Rank: #3387 (-434)
5K → 10K
20:15 | 6:31/mi
15K· 9.32 mi
1:00:58
Rank: #3964 (-577)
10K → 15K
20:54 | 6:44/mi
20K· 12.43 mi
1:22:21
Rank: #4379 (-415)
15K → 20K
21:23 | 6:53/mi
Half· 13.11 mi
1:26:58
Rank: #4438 (-59)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:44:44
Rank: #5186 (-748)
Half → 25K
17:46 | 7:20/mi
30K· 18.64 mi
2:06:49
Rank: #5192 (-6)
25K → 30K
22:05 | 7:06/mi
20M
2:16:41
Rank: #5212 (-20)
30K → 20M
9:52 | 7:16/mi
21M
2:24:43
Rank: #5365 (-153)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:30:10
Rank: #5416 (-51)
21M → 35K
5:27 | 7:17/mi
23M
2:39:54
Rank: #5515 (-99)
35K → 23M
9:44 | 7:46/mi
24M
2:48:25
Rank: #5798 (-283)
23M → 24M
8:31 | 8:31/mi
40K· 24.85 mi
2:55:47
Rank: #6015 (-217)
24M → 40K
7:22 | 8:37/mi
25.2M
2:58:52
Rank: #6065 (-50)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:06:23
Rank: #6093 (-28)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:58
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:39:25
Pace7:35 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2019:496:2319:49
6:23
-
10K
6.21 mi10:41:3540:046:2720:15
6:31
+0:08
15K
9.32 mi11:02:291:00:586:3220:54
6:44
+0:13
20K
12.43 mi11:23:521:22:216:3821:23
6:53
+0:09
Half
13.11 mi11:28:291:26:586:384:37
6:46
-0:07
25K
15.53 mi11:46:151:44:446:4517:46
7:20
+0:34
30K
18.64 mi12:08:202:06:496:4822:05
7:06
-0:14
20M
20.00 mi12:18:122:16:416:509:52
7:16
+0:10
21M
21.00 mi12:26:142:24:436:538:02
8:02
+0:46
35K
21.75 mi12:31:412:30:106:545:27
7:17
-0:45
23M
23.00 mi12:41:252:39:546:579:44
7:46
+0:29
24M
24.00 mi12:49:562:48:257:018:31
8:31
+0:45
40K
24.85 mi12:57:182:55:477:047:22
8:37
+0:06
25.2M
25.20 mi13:00:232:58:527:063:05
8:56
+0:19
Finish
26.22 mi13:07:543:06:237:077:31
7:23
-1:33

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

6:23 /mi

Average Pace

7:07 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:58

47% of race

Time at Steady Pace

1:02:41

34% of race

Time at Slower Pace

36:44

20% of race

Average Pace: 7:07 /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 mi10:21:2019:496:2319:49
6:23
#2953
10K
6.21 mi10:41:3540:046:2720:15
6:31
#3387
15K
9.32 mi11:02:291:00:586:3220:54
6:44
#3964
20K
12.43 mi11:23:521:22:216:3821:23
6:53
#4379
Half
13.11 mi11:28:291:26:586:384:37
6:46
#4438
25K
15.53 mi11:46:151:44:446:4517:46
7:20
#5186
30K
18.64 mi12:08:202:06:496:4822:05
7:06
#5192
20M
20.00 mi12:18:122:16:416:509:52
7:16
#5212
21M
21.00 mi12:26:142:24:436:538:02
8:02
#5365
35K
21.75 mi12:31:412:30:106:545:27
7:17
#5416
23M
23.00 mi12:41:252:39:546:579:44
7:46
#5515
24M
24.00 mi12:49:562:48:257:018:31
8:31
#5798
40K
24.85 mi12:57:182:55:477:047:22
8:37
#6015
25.2M
25.20 mi13:00:232:58:527:063:05
8:56
#6065
Finish
26.22 mi13:07:543:06:237:077:31
7:23
#6093
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2953280928095335(Top 19%)4923(Top 31%)4923(Top 87%)
10K6.21 mi3.10 mi3387-4343216-4073216-4073866(Top 14%)3643(Top 23%)3643(Top 65%)
15K9.32 mi3.11 mi3964-5773735-5193735-5195335(Top 19%)4923(Top 31%)4923(Top 87%)
20K12.43 mi3.11 mi4379-4154111-3764111-3766052(Top 21%)5475(Top 34%)5475(Top 97%)
Half13.11 mi0.68 mi4438-594163-524163-525797(Top 20%)5284(Top 33%)5284(Top 94%)
25K15.53 mi2.42 mi5186-7484803-6404803-6408548(Top 30%)7070(Top 44%)7070(Top 125%)
30K18.64 mi3.11 mi5192-64778+254778+255351(Top 19%)4817(Top 30%)4817(Top 85%)
20M20.00 mi1.36 mi5212-204779-14779-15541(Top 20%)4866(Top 30%)4866(Top 86%)
21M21.00 mi1.00 mi5365-1534904-1254904-1257492(Top 26%)5957(Top 37%)5957(Top 106%)
35K21.75 mi0.75 mi5416-514940-364940-367082(Top 25%)5734(Top 36%)5734(Top 102%)
23M23.00 mi1.25 mi5515-995006-665006-668365(Top 29%)6361(Top 39%)6361(Top 113%)
24M24.00 mi1.00 mi5798-2835208-2025208-20214567(Top 51%)9380(Top 58%)9380(Top 166%)
40K24.85 mi0.85 mi6015-2175360-1525360-15214102(Top 50%)9029(Top 56%)9029(Top 160%)
25.2M25.20 mi0.35 mi6065-505385-255385-2511349(Top 40%)7609(Top 47%)7609(Top 135%)
Finish26.22 mi1.02 mi6093-285381+45381+48282(Top 29%)6058(Top 38%)6058(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5335

Males

4923

M18-39

4923

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3866

Males

3643

M18-39

3643

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5335

Males

4923

M18-39

4923

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

6052

Males

5475

M18-39

5475

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5797

Males

5284

M18-39

5284

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8548

Males

7070

M18-39

7070

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5351

Males

4817

M18-39

4817

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5541

Males

4866

M18-39

4866

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7492

Males

5957

M18-39

5957

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

7082

Males

5734

M18-39

5734

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8365

Males

6361

M18-39

6361

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14567

Males

9380

M18-39

9380

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14102

Males

9029

M18-39

9029

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11349

Males

7609

M18-39

7609

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8282

Males

6058

M18-39

6058

Passing Analysis

Category:
Athletes Passed
539
Passed By
3679
Net Change
-3140
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2953
5K → 10K27461-434#2953#3387
10K → 15K14591-577#3387#3964
15K → 20K24439-415#3964#4379
20K → Half362-59#4379#4438
Half → 25K21769-748#4438#5186
25K → 30K163169-6#5186#5192
30K → 20M6585-20#5192#5212
20M → 21M39192-153#5212#5365
21M → 35K3788-51#5365#5416
35K → 23M59158-99#5416#5515
23M → 24M12295-283#5515#5798
24M → 40K11228-217#5798#6015
40K → 25.2M1666-50#6015#6065
25.2M → Finish4876-28#6065#6093
TOTALS5393679-3140
📊

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