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BOSTON MARATHON 2025

Kory Skattum

Bib: 1017•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:30
Rank: #944
Start → 5K
18:30 | 5:57/mi
10K· 6.21 mi
36:51
Rank: #887 (+57)
5K → 10K
18:21 | 5:54/mi
15K· 9.32 mi
55:07
Rank: #824 (+63)
10K → 15K
18:16 | 5:53/mi
20K· 12.43 mi
1:13:40
Rank: #800 (+24)
15K → 20K
18:33 | 5:58/mi
Half· 13.11 mi
1:17:38
Rank: #795 (+5)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:32:01
Rank: #756 (+39)
Half → 25K
14:23 | 5:56/mi
30K· 18.64 mi
1:50:38
Rank: #676 (+80)
25K → 30K
18:37 | 6:00/mi
20M
1:59:02
Rank: #661 (+15)
30K → 20M
8:24 | 6:11/mi
21M
2:05:39
Rank: #660 (+1)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:10:07
Rank: #648 (+12)
21M → 35K
4:28 | 5:58/mi
23M
2:17:54
Rank: #641 (+7)
35K → 23M
7:47 | 6:13/mi
24M
2:23:53
Rank: #626 (+15)
23M → 24M
5:59 | 5:59/mi
40K· 24.85 mi
2:29:14
Rank: #623 (+3)
24M → 40K
5:21 | 6:15/mi
25.2M
2:31:35
Rank: #627 (-4)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:37:45
Rank: #628 (-1)
25.2M → Finish
6:10 | 6:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:38
Pace5:55 /mi
2nd Half
Distance13.11 mi
Time1:20:07
Pace6:07 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5618:305:5718:30
5:57
-
10K
6.21 mi10:37:1736:515:5618:21
5:54
-0:03
15K
9.32 mi10:55:3355:075:5518:16
5:53
-0:01
20K
12.43 mi11:14:061:13:405:5618:33
5:58
+0:05
Half
13.11 mi11:18:041:17:385:553:58
5:49
-0:09
25K
15.53 mi11:32:271:32:015:5514:23
5:56
+0:07
30K
18.64 mi11:51:041:50:385:5618:37
6:00
+0:04
20M
20.00 mi11:59:281:59:025:578:24
6:11
+0:11
21M
21.00 mi12:06:052:05:395:596:37
6:37
+0:26
35K
21.75 mi12:10:332:10:075:594:28
5:58
-0:39
23M
23.00 mi12:18:202:17:546:007:47
6:13
+0:15
24M
24.00 mi12:24:192:23:536:005:59
5:59
-0:14
40K
24.85 mi12:29:402:29:146:005:21
6:15
+0:16
25.2M
25.20 mi12:32:012:31:356:012:21
6:49
+0:34
Finish
26.22 mi12:38:112:37:456:016:10
6:03
-0:46

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

5:49 /mi

Average Pace

6:01 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:47

94% of race

Time at Steady Pace

8:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:01 /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 mi10:18:5618:305:5718:30
5:57
#944
10K
6.21 mi10:37:1736:515:5618:21
5:54
#887
15K
9.32 mi10:55:3355:075:5518:16
5:53
#824
20K
12.43 mi11:14:061:13:405:5618:33
5:58
#800
Half
13.11 mi11:18:041:17:385:553:58
5:49
#795
25K
15.53 mi11:32:271:32:015:5514:23
5:56
#756
30K
18.64 mi11:51:041:50:385:5618:37
6:00
#676
20M
20.00 mi11:59:281:59:025:578:24
6:11
#661
21M
21.00 mi12:06:052:05:395:596:37
6:37
#660
35K
21.75 mi12:10:332:10:075:594:28
5:58
#648
23M
23.00 mi12:18:202:17:546:007:47
6:13
#641
24M
24.00 mi12:24:192:23:536:005:59
5:59
#626
40K
24.85 mi12:29:402:29:146:005:21
6:15
#623
25.2M
25.20 mi12:32:012:31:356:012:21
6:49
#627
Finish
26.22 mi12:38:112:37:456:016:10
6:03
#628
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi944886886716(Top 3%)668(Top 4%)668(Top 12%)
10K6.21 mi3.10 mi887+57833+53833+53841(Top 3%)789(Top 5%)789(Top 14%)
15K9.32 mi3.11 mi824+63772+61772+61716(Top 3%)668(Top 4%)668(Top 12%)
20K12.43 mi3.11 mi800+24749+23749+23797(Top 3%)748(Top 5%)748(Top 13%)
Half13.11 mi0.68 mi795+5744+5744+5612(Top 2%)573(Top 4%)573(Top 10%)
25K15.53 mi2.42 mi756+39708+36708+36641(Top 2%)594(Top 4%)594(Top 11%)
30K18.64 mi3.11 mi676+80629+79629+79477(Top 2%)443(Top 3%)443(Top 8%)
20M20.00 mi1.36 mi661+15614+15614+15673(Top 2%)633(Top 4%)633(Top 11%)
21M21.00 mi1.00 mi660+1613+1613+1942(Top 3%)892(Top 6%)892(Top 16%)
35K21.75 mi0.75 mi648+12601+12601+12657(Top 2%)614(Top 4%)614(Top 11%)
23M23.00 mi1.25 mi641+7594+7594+7697(Top 2%)658(Top 4%)658(Top 12%)
24M24.00 mi1.00 mi626+15579+15579+15545(Top 2%)509(Top 3%)509(Top 9%)
40K24.85 mi0.85 mi623+3575+4575+4857(Top 3%)803(Top 5%)803(Top 14%)
25.2M25.20 mi0.35 mi627-4579-4579-4966(Top 3%)884(Top 5%)884(Top 16%)
Finish26.22 mi1.02 mi628-1580-1580-11041(Top 4%)975(Top 6%)975(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

716

Males

668

M18-39

668

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

841

Males

789

M18-39

789

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

716

Males

668

M18-39

668

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

797

Males

748

M18-39

748

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

612

Males

573

M18-39

573

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

641

Males

594

M18-39

594

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

477

Males

443

M18-39

443

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

673

Males

633

M18-39

633

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

942

Males

892

M18-39

892

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

657

Males

614

M18-39

614

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

697

Males

658

M18-39

658

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

545

Males

509

M18-39

509

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

857

Males

803

M18-39

803

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

966

Males

884

M18-39

884

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1041

Males

975

M18-39

975

Passing Analysis

Category:
Athletes Passed
440
Passed By
124
Net Change
+316
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#944
5K → 10K8225+57#944#887
10K → 15K696+63#887#824
15K → 20K4117+24#824#800
20K → Half61+5#800#795
Half → 25K456+39#795#756
25K → 30K822+80#756#676
30K → 20M2510+15#676#661
20M → 21M1716+1#661#660
21M → 35K153+12#660#648
35K → 23M1912+7#648#641
23M → 24M172+15#641#626
24M → 40K96+3#626#623
40K → 25.2M48-4#623#627
25.2M → Finish910-1#627#628
TOTALS440124+316
📊

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