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BOSTON MARATHON 2025

Carl Nist-Lund

Bib: 7638•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
24:09
Rank: #14559
Start → 5K
24:09 | 7:46/mi
10K· 6.21 mi
48:04
Rank: #14195 (+364)
5K → 10K
23:55 | 7:42/mi
15K· 9.32 mi
1:11:36
Rank: #13587 (+608)
10K → 15K
23:32 | 7:34/mi
20K· 12.43 mi
1:35:12
Rank: #13012 (+575)
15K → 20K
23:36 | 7:36/mi
Half· 13.11 mi
1:40:18
Rank: #12912 (+100)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:58:37
Rank: #12492 (+420)
Half → 25K
18:19 | 7:33/mi
30K· 18.64 mi
2:23:52
Rank: #12413 (+79)
25K → 30K
25:15 | 8:08/mi
20M
2:35:33
Rank: #12536 (-123)
30K → 20M
11:41 | 8:36/mi
21M
2:47:48
Rank: #13791 (-1255)
20M → 21M
12:15 | 12:15/mi
35K· 21.75 mi
2:55:45
Rank: #14446 (-655)
21M → 35K
7:57 | 10:38/mi
23M
3:07:29
Rank: #14675 (-229)
35K → 23M
11:44 | 9:22/mi
24M
3:17:04
Rank: #14957 (-282)
23M → 24M
9:35 | 9:35/mi
40K· 24.85 mi
3:25:57
Rank: #15349 (-392)
24M → 40K
8:53 | 10:23/mi
25.2M
3:29:33
Rank: #15409 (-60)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:37:37
Rank: #15289 (+120)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:18
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:57:19
Pace8:57 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:32:2024:097:4624:09
7:46
-
10K
6.21 mi10:56:1548:047:4423:55
7:42
-0:04
15K
9.32 mi11:19:471:11:367:4123:32
7:34
-0:08
20K
12.43 mi11:43:231:35:127:4023:36
7:36
+0:02
Half
13.11 mi11:48:291:40:187:395:06
7:29
-0:07
25K
15.53 mi12:06:481:58:377:3818:19
7:33
+0:04
30K
18.64 mi12:32:032:23:527:4325:15
8:08
+0:35
20M
20.00 mi12:43:442:35:337:4711:41
8:36
+0:28
21M
21.00 mi12:55:592:47:487:5912:15
12:15
+3:39
35K
21.75 mi13:03:562:55:458:057:57
10:38
-1:37
23M
23.00 mi13:15:403:07:298:0911:44
9:22
-1:16
24M
24.00 mi13:25:153:17:048:139:35
9:35
+0:13
40K
24.85 mi13:34:083:25:578:178:53
10:23
+0:48
25.2M
25.20 mi13:37:443:29:338:193:36
10:26
+0:03
Finish
26.22 mi13:45:483:37:378:188:04
7:55
-2:31

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

7:29 /mi

Average Pace

8:18 /mi

Slowest Pace

12:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:43:37

75% of race

Time at Slower Pace

54:00

25% of race

Average Pace: 8:18 /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 mi10:32:2024:097:4624:09
7:46
#14559
10K
6.21 mi10:56:1548:047:4423:55
7:42
#14195
15K
9.32 mi11:19:471:11:367:4123:32
7:34
#13587
20K
12.43 mi11:43:231:35:127:4023:36
7:36
#13012
Half
13.11 mi11:48:291:40:187:395:06
7:29
#12912
25K
15.53 mi12:06:481:58:377:3818:19
7:33
#12492
30K
18.64 mi12:32:032:23:527:4325:15
8:08
#12413
20M
20.00 mi12:43:442:35:337:4711:41
8:36
#12536
21M
21.00 mi12:55:592:47:487:5912:15
12:15
#13791
35K
21.75 mi13:03:562:55:458:057:57
10:38
#14446
23M
23.00 mi13:15:403:07:298:0911:44
9:22
#14675
24M
24.00 mi13:25:153:17:048:139:35
9:35
#14957
40K
24.85 mi13:34:083:25:578:178:53
10:23
#15349
25.2M
25.20 mi13:37:443:29:338:193:36
10:26
#15409
Finish
26.22 mi13:45:483:37:378:188:04
7:55
#15289
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi14559102641026412372(Top 44%)9242(Top 57%)9242(Top 164%)
10K6.21 mi3.10 mi14195+36410100+16410100+16413868(Top 49%)9947(Top 62%)9947(Top 176%)
15K9.32 mi3.11 mi13587+6089808+2929808+29212372(Top 44%)9242(Top 57%)9242(Top 164%)
20K12.43 mi3.11 mi13012+5759520+2889520+28811568(Top 41%)8773(Top 54%)8773(Top 155%)
Half13.11 mi0.68 mi12912+1009476+449476+4411491(Top 40%)8801(Top 55%)8801(Top 156%)
25K15.53 mi2.42 mi12492+4209272+2049272+20410404(Top 37%)8096(Top 50%)8096(Top 143%)
30K18.64 mi3.11 mi12413+799161+1119161+11112288(Top 43%)8819(Top 55%)8819(Top 156%)
20M20.00 mi1.36 mi12536-1239179-189179-1814398(Top 51%)9641(Top 60%)9641(Top 171%)
21M21.00 mi1.00 mi13791-12559699-5209699-52024009(Top 85%)13908(Top 86%)13908(Top 247%)
35K21.75 mi0.75 mi14446-6559986-2879986-28723411(Top 82%)13589(Top 84%)13589(Top 241%)
23M23.00 mi1.25 mi14675-22910041-5510041-5518091(Top 64%)11013(Top 68%)11013(Top 195%)
24M24.00 mi1.00 mi14957-28210135-9410135-9419900(Top 70%)11817(Top 73%)11817(Top 209%)
40K24.85 mi0.85 mi15349-39210264-12910264-12921603(Top 76%)12557(Top 78%)12557(Top 223%)
25.2M25.20 mi0.35 mi15409-6010281-1710281-1718729(Top 66%)11173(Top 69%)11173(Top 198%)
Finish26.22 mi1.02 mi15289+12010204+7710204+7712281(Top 43%)8184(Top 51%)8184(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12372

Males

9242

M18-39

9242

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13868

Males

9947

M18-39

9947

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12372

Males

9242

M18-39

9242

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11568

Males

8773

M18-39

8773

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11491

Males

8801

M18-39

8801

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10404

Males

8096

M18-39

8096

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12288

Males

8819

M18-39

8819

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

14398

Males

9641

M18-39

9641

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

24009

Males

13908

M18-39

13908

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

23411

Males

13589

M18-39

13589

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

18091

Males

11013

M18-39

11013

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19900

Males

11817

M18-39

11817

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21603

Males

12557

M18-39

12557

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18729

Males

11173

M18-39

11173

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12281

Males

8184

M18-39

8184

Passing Analysis

Category:
Athletes Passed
2839
Passed By
3569
Net Change
-730
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14559
5K → 10K499135+364#14559#14195
10K → 15K63022+608#14195#13587
15K → 20K58712+575#13587#13012
20K → Half1033+100#13012#12912
Half → 25K43010+420#12912#12492
25K → 30K267188+79#12492#12413
30K → 20M77200-123#12413#12536
20M → 21M51260-1255#12536#13791
21M → 35K6661-655#13791#14446
35K → 23M48277-229#14446#14675
23M → 24M26308-282#14675#14957
24M → 40K13405-392#14957#15349
40K → 25.2M1070-60#15349#15409
25.2M → Finish13818+120#15409#15289
TOTALS28393569-730
📊

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