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BOSTON MARATHON 2025

Karl Mitchell

Bib: 3302•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:56
Rank: #3247
Start → 5K
19:56 | 6:25/mi
10K· 6.21 mi
40:14
Rank: #3603 (-356)
5K → 10K
20:18 | 6:32/mi
15K· 9.32 mi
1:00:47
Rank: #3845 (-242)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:22:21
Rank: #4383 (-538)
15K → 20K
21:34 | 6:56/mi
Half· 13.11 mi
1:27:04
Rank: #4494 (-111)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:44:46
Rank: #5217 (-723)
Half → 25K
17:42 | 7:18/mi
30K· 18.64 mi
2:09:14
Rank: #6215 (-998)
25K → 30K
24:28 | 7:53/mi
20M
2:20:13
Rank: #6458 (-243)
30K → 20M
10:59 | 8:05/mi
21M
2:31:10
Rank: #7375 (-917)
20M → 21M
10:57 | 10:57/mi
35K· 21.75 mi
2:37:19
Rank: #7570 (-195)
21M → 35K
6:09 | 8:13/mi
23M
2:48:59
Rank: #8205 (-635)
35K → 23M
11:40 | 9:19/mi
24M
2:57:13
Rank: #8365 (-160)
23M → 24M
8:14 | 8:14/mi
40K· 24.85 mi
3:05:03
Rank: #8763 (-398)
24M → 40K
7:50 | 9:10/mi
25.2M
3:08:55
Rank: #9068 (-305)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
3:17:15
Rank: #9282 (-214)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:04
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:50:11
Pace8:24 /mi
📊Positive Split: 26.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5019:566:2519:56
6:25
-
10K
6.21 mi10:41:0840:146:2820:18
6:32
+0:07
15K
9.32 mi11:01:411:00:476:3120:33
6:37
+0:05
20K
12.43 mi11:23:151:22:216:3821:34
6:56
+0:19
Half
13.11 mi11:27:581:27:046:384:43
6:55
-0:01
25K
15.53 mi11:45:401:44:466:4517:42
7:18
+0:23
30K
18.64 mi12:10:082:09:146:5624:28
7:53
+0:35
20M
20.00 mi12:21:072:20:137:0110:59
8:05
+0:12
21M
21.00 mi12:32:042:31:107:1210:57
10:57
+2:52
35K
21.75 mi12:38:132:37:197:146:09
8:13
-2:44
23M
23.00 mi12:49:532:48:597:2111:40
9:19
+1:06
24M
24.00 mi12:58:072:57:137:238:14
8:14
-1:05
40K
24.85 mi13:05:573:05:037:277:50
9:10
+0:56
25.2M
25.20 mi13:09:493:08:557:303:52
11:13
+2:03
Finish
26.22 mi13:18:093:17:157:328:20
8:11
-3:02

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

6:25 /mi

Average Pace

7:32 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:46

53% of race

Time at Steady Pace

58:10

29% of race

Time at Slower Pace

34:19

17% of race

Average Pace: 7:31 /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 mi10:20:5019:566:2519:56
6:25
#3247
10K
6.21 mi10:41:0840:146:2820:18
6:32
#3603
15K
9.32 mi11:01:411:00:476:3120:33
6:37
#3845
20K
12.43 mi11:23:151:22:216:3821:34
6:56
#4383
Half
13.11 mi11:27:581:27:046:384:43
6:55
#4494
25K
15.53 mi11:45:401:44:466:4517:42
7:18
#5217
30K
18.64 mi12:10:082:09:146:5624:28
7:53
#6215
20M
20.00 mi12:21:072:20:137:0110:59
8:05
#6458
21M
21.00 mi12:32:042:31:107:1210:57
10:57
#7375
35K
21.75 mi12:38:132:37:197:146:09
8:13
#7570
23M
23.00 mi12:49:532:48:597:2111:40
9:19
#8205
24M
24.00 mi12:58:072:57:137:238:14
8:14
#8365
40K
24.85 mi13:05:573:05:037:277:50
9:10
#8763
25.2M
25.20 mi13:09:493:08:557:303:52
11:13
#9068
Finish
26.22 mi13:18:093:17:157:328:20
8:11
#9282
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3247308630864361(Top 15%)4095(Top 25%)4095(Top 182%)
10K6.21 mi3.10 mi3603-3563418-3323418-3323988(Top 14%)3755(Top 23%)3755(Top 167%)
15K9.32 mi3.11 mi3845-2423630-2123630-2124361(Top 15%)4095(Top 25%)4095(Top 182%)
20K12.43 mi3.11 mi4383-5384115-4854115-4856522(Top 23%)5844(Top 36%)5844(Top 260%)
Half13.11 mi0.68 mi4494-1114212-974212-977015(Top 25%)6235(Top 39%)6235(Top 277%)
25K15.53 mi2.42 mi5217-7234825-6134825-6138360(Top 29%)6975(Top 43%)6975(Top 310%)
30K18.64 mi3.11 mi6215-9985603-7785603-77810442(Top 37%)7900(Top 49%)7900(Top 352%)
20M20.00 mi1.36 mi6458-2435783-1805783-18010950(Top 39%)7998(Top 50%)7998(Top 356%)
21M21.00 mi1.00 mi7375-9176410-6276410-62721232(Top 75%)12597(Top 78%)12597(Top 561%)
35K21.75 mi0.75 mi7570-1956509-996509-9913705(Top 48%)9128(Top 57%)9128(Top 406%)
23M23.00 mi1.25 mi8205-6356871-3626871-36217822(Top 63%)10871(Top 68%)10871(Top 484%)
24M24.00 mi1.00 mi8365-1606934-636934-6312758(Top 45%)8521(Top 53%)8521(Top 379%)
40K24.85 mi0.85 mi8763-3987123-1897123-18917143(Top 60%)10433(Top 65%)10433(Top 464%)
25.2M25.20 mi0.35 mi9068-3057293-1707293-17021205(Top 75%)12367(Top 77%)12367(Top 550%)
Finish26.22 mi1.02 mi9282-2147368-757368-7514090(Top 50%)9049(Top 56%)9049(Top 403%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4361

Males

4095

M40-44

4095

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3988

Males

3755

M40-44

3755

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4361

Males

4095

M40-44

4095

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6522

Males

5844

M40-44

5844

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7015

Males

6235

M40-44

6235

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8360

Males

6975

M40-44

6975

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10442

Males

7900

M40-44

7900

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10950

Males

7998

M40-44

7998

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21232

Males

12597

M40-44

12597

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13705

Males

9128

M40-44

9128

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17822

Males

10871

M40-44

10871

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12758

Males

8521

M40-44

8521

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17143

Males

10433

M40-44

10433

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21205

Males

12367

M40-44

12367

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14090

Males

9049

M40-44

9049

Passing Analysis

Category:
Athletes Passed
302
Passed By
6337
Net Change
-6035
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3247
5K → 10K28384-356#3247#3603
10K → 15K36278-242#3603#3845
15K → 20K17555-538#3845#4383
20K → Half2113-111#4383#4494
Half → 25K20743-723#4494#5217
25K → 30K361034-998#5217#6215
30K → 20M39282-243#6215#6458
20M → 21M3920-917#6458#7375
21M → 35K16211-195#7375#7570
35K → 23M19654-635#7570#8205
23M → 24M39199-160#8205#8365
24M → 40K21419-398#8365#8763
40K → 25.2M2307-305#8763#9068
25.2M → Finish24238-214#9068#9282
TOTALS3026337-6035
📊

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