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BOSTON MARATHON 2025

Kurt Ashack

Bib: 6037•M

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:24
Rank: #4323
Start → 5K
20:24 | 6:34/mi
10K· 6.21 mi
40:41
Rank: #4120 (+203)
5K → 10K
20:17 | 6:32/mi
15K· 9.32 mi
1:00:51
Rank: #3877 (+243)
10K → 15K
20:10 | 6:29/mi
20K· 12.43 mi
1:21:05
Rank: #3681 (+196)
15K → 20K
20:14 | 6:31/mi
Half· 13.11 mi
1:25:32
Rank: #3688 (-7)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:41:17
Rank: #3515 (+173)
Half → 25K
15:45 | 6:30/mi
30K· 18.64 mi
2:01:48
Rank: #3237 (+278)
25K → 30K
20:31 | 6:36/mi
20M
2:10:50
Rank: #3113 (+124)
30K → 20M
9:02 | 6:39/mi
21M
2:17:44
Rank: #2999 (+114)
20M → 21M
6:54 | 6:54/mi
35K· 21.75 mi
2:22:37
Rank: #2949 (+50)
21M → 35K
4:53 | 6:32/mi
23M
2:31:00
Rank: #2858 (+91)
35K → 23M
8:23 | 6:42/mi
24M
2:37:26
Rank: #2772 (+86)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:43:07
Rank: #2713 (+59)
24M → 40K
5:41 | 6:39/mi
25.2M
2:45:41
Rank: #2704 (+9)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:52:21
Rank: #2695 (+9)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:32
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:26:49
Pace6:37 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:1220:246:3420:24
6:34
-
10K
6.21 mi10:47:2940:416:3320:17
6:32
-0:02
15K
9.32 mi11:07:391:00:516:3220:10
6:29
-0:03
20K
12.43 mi11:27:531:21:056:3120:14
6:31
+0:02
Half
13.11 mi11:32:201:25:326:314:27
6:31
0:00
25K
15.53 mi11:48:051:41:176:3115:45
6:30
-0:01
30K
18.64 mi12:08:362:01:486:3220:31
6:36
+0:06
20M
20.00 mi12:17:382:10:506:329:02
6:39
+0:03
21M
21.00 mi12:24:322:17:446:346:54
6:54
+0:15
35K
21.75 mi12:29:252:22:376:334:53
6:32
-0:22
23M
23.00 mi12:37:482:31:006:348:23
6:42
+0:10
24M
24.00 mi12:44:142:37:266:346:26
6:26
-0:16
40K
24.85 mi12:49:552:43:076:345:41
6:39
+0:13
25.2M
25.20 mi12:52:292:45:416:342:34
7:27
+0:48
Finish
26.22 mi12:59:092:52:216:356:40
6:33
-0:54

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

6:26 /mi

Average Pace

6:35 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:47

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:27:1220:246:3420:24
6:34
#4323
10K
6.21 mi10:47:2940:416:3320:17
6:32
#4120
15K
9.32 mi11:07:391:00:516:3220:10
6:29
#3877
20K
12.43 mi11:27:531:21:056:3120:14
6:31
#3681
Half
13.11 mi11:32:201:25:326:314:27
6:31
#3688
25K
15.53 mi11:48:051:41:176:3115:45
6:30
#3515
30K
18.64 mi12:08:362:01:486:3220:31
6:36
#3237
20M
20.00 mi12:17:382:10:506:329:02
6:39
#3113
21M
21.00 mi12:24:322:17:446:346:54
6:54
#2999
35K
21.75 mi12:29:252:22:376:334:53
6:32
#2949
23M
23.00 mi12:37:482:31:006:348:23
6:42
#2858
24M
24.00 mi12:44:142:37:266:346:26
6:26
#2772
40K
24.85 mi12:49:552:43:076:345:41
6:39
#2713
25.2M
25.20 mi12:52:292:45:416:342:34
7:27
#2704
Finish
26.22 mi12:59:092:52:216:356:40
6:33
#2695
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4323406440643516(Top 12%)3327(Top 21%)3327(Top 59%)
10K6.21 mi3.10 mi4120+2033883+1813883+1813939(Top 14%)3710(Top 23%)3710(Top 66%)
15K9.32 mi3.11 mi3877+2433659+2243659+2243516(Top 12%)3327(Top 21%)3327(Top 59%)
20K12.43 mi3.11 mi3681+1963480+1793480+1793205(Top 11%)3040(Top 19%)3040(Top 54%)
Half13.11 mi0.68 mi3688-73486-63486-63849(Top 14%)3629(Top 23%)3629(Top 64%)
25K15.53 mi2.42 mi3515+1733327+1593327+1592880(Top 10%)2741(Top 17%)2741(Top 49%)
30K18.64 mi3.11 mi3237+2783070+2573070+2572440(Top 9%)2310(Top 14%)2310(Top 41%)
20M20.00 mi1.36 mi3113+1242952+1182952+1182247(Top 8%)2125(Top 13%)2125(Top 38%)
21M21.00 mi1.00 mi2999+1142844+1082844+1081902(Top 7%)1793(Top 11%)1793(Top 32%)
35K21.75 mi0.75 mi2949+502793+512793+512634(Top 9%)2453(Top 15%)2453(Top 43%)
23M23.00 mi1.25 mi2858+912710+832710+832251(Top 8%)2102(Top 13%)2102(Top 37%)
24M24.00 mi1.00 mi2772+862629+812629+811815(Top 6%)1691(Top 10%)1691(Top 30%)
40K24.85 mi0.85 mi2713+592571+582571+582171(Top 8%)1997(Top 12%)1997(Top 35%)
25.2M25.20 mi0.35 mi2704+92561+102561+103181(Top 11%)2822(Top 18%)2822(Top 50%)
Finish26.22 mi1.02 mi2695+92551+102551+103034(Top 11%)2702(Top 17%)2702(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3516

Males

3327

M18-39

3327

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3939

Males

3710

M18-39

3710

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3516

Males

3327

M18-39

3327

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3205

Males

3040

M18-39

3040

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3849

Males

3629

M18-39

3629

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2880

Males

2741

M18-39

2741

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2440

Males

2310

M18-39

2310

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2247

Males

2125

M18-39

2125

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1902

Males

1793

M18-39

1793

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2634

Males

2453

M18-39

2453

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2251

Males

2102

M18-39

2102

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1815

Males

1691

M18-39

1691

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2171

Males

1997

M18-39

1997

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3181

Males

2822

M18-39

2822

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3034

Males

2702

M18-39

2702

Passing Analysis

Category:
Athletes Passed
1849
Passed By
221
Net Change
+1628
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4323
5K → 10K27269+203#4323#4120
10K → 15K25613+243#4120#3877
15K → 20K20913+196#3877#3681
20K → Half1522-7#3681#3688
Half → 25K1807+173#3688#3515
25K → 30K29012+278#3515#3237
30K → 20M1306+124#3237#3113
20M → 21M1162+114#3113#2999
21M → 35K6111+50#2999#2949
35K → 23M10615+91#2949#2858
23M → 24M882+86#2858#2772
24M → 40K7314+59#2772#2713
40K → 25.2M178+9#2713#2704
25.2M → Finish3627+9#2704#2695
TOTALS1849221+1628
📊

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