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BOSTON MARATHON 2025

Jake Aschenbrenner

Bib: 32119•M

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 31%
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
21:41
Rank: #7654
Start → 5K
21:41 | 6:59/mi
10K· 6.21 mi
42:21
Rank: #6454 (+1200)
5K → 10K
20:40 | 6:39/mi
15K· 9.32 mi
1:02:57
Rank: #5751 (+703)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:23:40
Rank: #5300 (+451)
15K → 20K
20:43 | 6:40/mi
Half· 13.11 mi
1:28:09
Rank: #5208 (+92)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:44:15
Rank: #4900 (+308)
Half → 25K
16:06 | 6:38/mi
30K· 18.64 mi
2:05:05
Rank: #4396 (+504)
25K → 30K
20:50 | 6:42/mi
20M
2:14:07
Rank: #4151 (+245)
30K → 20M
9:02 | 6:39/mi
21M
2:21:04
Rank: #3971 (+180)
20M → 21M
6:57 | 6:57/mi
35K· 21.75 mi
2:25:57
Rank: #3894 (+77)
21M → 35K
4:53 | 6:32/mi
23M
2:34:53
Rank: #3910 (-16)
35K → 23M
8:56 | 7:08/mi
24M
2:43:03
Rank: #4259 (-349)
23M → 24M
8:10 | 8:10/mi
40K· 24.85 mi
2:51:20
Rank: #4978 (-719)
24M → 40K
8:17 | 9:41/mi
25.2M
2:55:20
Rank: #5240 (-262)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
3:03:47
Rank: #5466 (-226)
25.2M → Finish
8:27 | 8:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:09
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:35:38
Pace7:18 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1221:416:5921:41
6:59
-
10K
6.21 mi12:06:5242:216:4920:40
6:39
-0:20
15K
9.32 mi12:27:281:02:576:4520:36
6:38
-0:01
20K
12.43 mi12:48:111:23:406:4420:43
6:40
+0:02
Half
13.11 mi12:52:401:28:096:434:29
6:34
-0:06
25K
15.53 mi13:08:461:44:156:4316:06
6:38
+0:04
30K
18.64 mi13:29:362:05:056:4320:50
6:42
+0:04
20M
20.00 mi13:38:382:14:076:429:02
6:39
-0:03
21M
21.00 mi13:45:352:21:046:436:57
6:57
+0:18
35K
21.75 mi13:50:282:25:576:434:53
6:32
-0:25
23M
23.00 mi13:59:242:34:536:448:56
7:08
+0:36
24M
24.00 mi14:07:342:43:036:488:10
8:10
+1:02
40K
24.85 mi14:15:512:51:206:548:17
9:41
+1:31
25.2M
25.20 mi14:19:512:55:206:574:00
11:36
+1:55
Finish
26.22 mi14:28:183:03:477:018:27
8:18
-3:18

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

6:32 /mi

Average Pace

7:01 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:34:53

84% of race

Time at Slower Pace

28:54

16% of race

Average Pace: 7:01 /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 mi11:46:1221:416:5921:41
6:59
#7654
10K
6.21 mi12:06:5242:216:4920:40
6:39
#6454
15K
9.32 mi12:27:281:02:576:4520:36
6:38
#5751
20K
12.43 mi12:48:111:23:406:4420:43
6:40
#5300
Half
13.11 mi12:52:401:28:096:434:29
6:34
#5208
25K
15.53 mi13:08:461:44:156:4316:06
6:38
#4900
30K
18.64 mi13:29:362:05:056:4320:50
6:42
#4396
20M
20.00 mi13:38:382:14:076:429:02
6:39
#4151
21M
21.00 mi13:45:352:21:046:436:57
6:57
#3971
35K
21.75 mi13:50:282:25:576:434:53
6:32
#3894
23M
23.00 mi13:59:242:34:536:448:56
7:08
#3910
24M
24.00 mi14:07:342:43:036:488:10
8:10
#4259
40K
24.85 mi14:15:512:51:206:548:17
9:41
#4978
25.2M
25.20 mi14:19:512:55:206:574:00
11:36
#5240
Finish
26.22 mi14:28:183:03:477:018:27
8:18
#5466
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7654676467644516(Top 16%)4233(Top 26%)4233(Top 75%)
10K6.21 mi3.10 mi6454+12005882+8825882+8824905(Top 17%)4581(Top 28%)4581(Top 81%)
15K9.32 mi3.11 mi5751+7035290+5925290+5924516(Top 16%)4233(Top 26%)4233(Top 75%)
20K12.43 mi3.11 mi5300+4514908+3824908+3824173(Top 15%)3915(Top 24%)3915(Top 69%)
Half13.11 mi0.68 mi5208+924830+784830+784234(Top 15%)3973(Top 25%)3973(Top 70%)
25K15.53 mi2.42 mi4900+3084553+2774553+2773743(Top 13%)3517(Top 22%)3517(Top 62%)
30K18.64 mi3.11 mi4396+5044108+4454108+4452921(Top 10%)2752(Top 17%)2752(Top 49%)
20M20.00 mi1.36 mi4151+2453886+2223886+2222248(Top 8%)2126(Top 13%)2126(Top 38%)
21M21.00 mi1.00 mi3971+1803720+1663720+1662089(Top 7%)1964(Top 12%)1964(Top 35%)
35K21.75 mi0.75 mi3894+773648+723648+722647(Top 9%)2466(Top 15%)2466(Top 44%)
23M23.00 mi1.25 mi3910-163649-13649-14525(Top 16%)3976(Top 25%)3976(Top 70%)
24M24.00 mi1.00 mi4259-3493939-2903939-29012300(Top 43%)8308(Top 52%)8308(Top 147%)
40K24.85 mi0.85 mi4978-7194546-6074546-60719396(Top 68%)11502(Top 71%)11502(Top 204%)
25.2M25.20 mi0.35 mi5240-2624756-2104756-21022248(Top 78%)12898(Top 80%)12898(Top 229%)
Finish26.22 mi1.02 mi5466-2264919-1634919-16314823(Top 52%)9393(Top 58%)9393(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4516

Males

4233

M18-39

4233

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4905

Males

4581

M18-39

4581

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4516

Males

4233

M18-39

4233

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4173

Males

3915

M18-39

3915

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4234

Males

3973

M18-39

3973

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3743

Males

3517

M18-39

3517

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2921

Males

2752

M18-39

2752

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2248

Males

2126

M18-39

2126

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

2089

Males

1964

M18-39

1964

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2647

Males

2466

M18-39

2466

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4525

Males

3976

M18-39

3976

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

12300

Males

8308

M18-39

8308

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19396

Males

11502

M18-39

11502

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22248

Males

12898

M18-39

12898

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

14823

Males

9393

M18-39

9393

Passing Analysis

Category:
Athletes Passed
3873
Passed By
1685
Net Change
+2188
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7654
5K → 10K12011+1200#7654#6454
10K → 15K7063+703#6454#5751
15K → 20K4565+451#5751#5300
20K → Half953+92#5300#5208
Half → 25K3113+308#5208#4900
25K → 30K5095+504#4900#4396
30K → 20M2461+245#4396#4151
20M → 21M1844+180#4151#3971
21M → 35K781+77#3971#3894
35K → 23M6278-16#3894#3910
23M → 24M12361-349#3910#4259
24M → 40K4723-719#4259#4978
40K → 25.2M0262-262#4978#5240
25.2M → Finish9235-226#5240#5466
TOTALS38731685+2188
📊

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