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BOSTON MARATHON 2025

Marc Storm Andersen

Bib: 2147•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 19%
Division (M18-39)
#0 / 5642
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:49
Rank: #2967
Start → 5K
19:49 | 6:23/mi
10K· 6.21 mi
39:36
Rank: #2871 (+96)
5K → 10K
19:47 | 6:22/mi
15K· 9.32 mi
59:35
Rank: #2956 (-85)
10K → 15K
19:59 | 6:26/mi
20K· 12.43 mi
1:19:53
Rank: #3031 (-75)
15K → 20K
20:18 | 6:32/mi
Half· 13.11 mi
1:24:16
Rank: #3046 (-15)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:40:16
Rank: #3077 (-31)
Half → 25K
16:00 | 6:36/mi
30K· 18.64 mi
2:01:12
Rank: #3057 (+20)
25K → 30K
20:56 | 6:44/mi
20M
2:10:40
Rank: #3063 (-6)
30K → 20M
9:28 | 6:58/mi
21M
2:18:02
Rank: #3078 (-15)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:23:25
Rank: #3174 (-96)
21M → 35K
5:23 | 7:12/mi
23M
2:32:37
Rank: #3260 (-86)
35K → 23M
9:12 | 7:21/mi
24M
2:39:44
Rank: #3312 (-52)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:45:51
Rank: #3339 (-27)
24M → 40K
6:07 | 7:09/mi
25.2M
2:48:27
Rank: #3323 (+16)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:55:12
Rank: #3291 (+32)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:16
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:30:56
Pace6:56 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3619:496:2319:49
6:23
-
10K
6.21 mi10:40:2339:366:2219:47
6:22
-0:01
15K
9.32 mi11:00:2259:356:2419:59
6:26
+0:04
20K
12.43 mi11:20:401:19:536:2620:18
6:32
+0:06
Half
13.11 mi11:25:031:24:166:264:23
6:25
-0:07
25K
15.53 mi11:41:031:40:166:2716:00
6:36
+0:11
30K
18.64 mi12:01:592:01:126:3020:56
6:44
+0:08
20M
20.00 mi12:11:272:10:406:329:28
6:58
+0:14
21M
21.00 mi12:18:492:18:026:347:22
7:22
+0:24
35K
21.75 mi12:24:122:23:256:365:23
7:12
-0:10
23M
23.00 mi12:33:242:32:376:389:12
7:21
+0:09
24M
24.00 mi12:40:312:39:446:397:07
7:07
-0:14
40K
24.85 mi12:46:382:45:516:406:07
7:09
+0:02
25.2M
25.20 mi12:49:142:48:276:412:36
7:32
+0:23
Finish
26.22 mi12:55:592:55:126:416:45
6:37
-0:55

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

6:22 /mi

Average Pace

6:41 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:25

78% of race

Time at Steady Pace

35:11

20% of race

Time at Slower Pace

2:36

1% of race

Average Pace: 6:41 /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 mi10:20:3619:496:2319:49
6:23
#2967
10K
6.21 mi10:40:2339:366:2219:47
6:22
#2871
15K
9.32 mi11:00:2259:356:2419:59
6:26
#2956
20K
12.43 mi11:20:401:19:536:2620:18
6:32
#3031
Half
13.11 mi11:25:031:24:166:264:23
6:25
#3046
25K
15.53 mi11:41:031:40:166:2716:00
6:36
#3077
30K
18.64 mi12:01:592:01:126:3020:56
6:44
#3057
20M
20.00 mi12:11:272:10:406:329:28
6:58
#3063
21M
21.00 mi12:18:492:18:026:347:22
7:22
#3078
35K
21.75 mi12:24:122:23:256:365:23
7:12
#3174
23M
23.00 mi12:33:242:32:376:389:12
7:21
#3260
24M
24.00 mi12:40:312:39:446:397:07
7:07
#3312
40K
24.85 mi12:46:382:45:516:406:07
7:09
#3339
25.2M
25.20 mi12:49:142:48:276:412:36
7:32
#3323
Finish
26.22 mi12:55:592:55:126:416:45
6:37
#3291
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2967282328233140(Top 11%)2989(Top 19%)2989(Top 53%)
10K6.21 mi3.10 mi2871+962735+882735+882850(Top 10%)2713(Top 17%)2713(Top 48%)
15K9.32 mi3.11 mi2956-852816-812816-813140(Top 11%)2989(Top 19%)2989(Top 53%)
20K12.43 mi3.11 mi3031-752889-732889-733316(Top 12%)3141(Top 20%)3141(Top 56%)
Half13.11 mi0.68 mi3046-152905-162905-163255(Top 11%)3096(Top 19%)3096(Top 55%)
25K15.53 mi2.42 mi3077-312934-292934-293461(Top 12%)3266(Top 20%)3266(Top 58%)
30K18.64 mi3.11 mi3057+202909+252909+253080(Top 11%)2893(Top 18%)2893(Top 51%)
20M20.00 mi1.36 mi3063-62907+22907+23904(Top 14%)3587(Top 22%)3587(Top 64%)
21M21.00 mi1.00 mi3078-152916-92916-93952(Top 14%)3587(Top 22%)3587(Top 64%)
35K21.75 mi0.75 mi3174-963005-893005-896543(Top 23%)5409(Top 34%)5409(Top 96%)
23M23.00 mi1.25 mi3260-863078-733078-735721(Top 20%)4808(Top 30%)4808(Top 85%)
24M24.00 mi1.00 mi3312-523118-403118-405296(Top 19%)4463(Top 28%)4463(Top 79%)
40K24.85 mi0.85 mi3339-273140-223140-224779(Top 17%)4057(Top 25%)4057(Top 72%)
25.2M25.20 mi0.35 mi3323+163122+183122+183588(Top 13%)3132(Top 19%)3132(Top 56%)
Finish26.22 mi1.02 mi3291+323083+393083+393481(Top 12%)3050(Top 19%)3050(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3140

Males

2989

M18-39

2989

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2850

Males

2713

M18-39

2713

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3140

Males

2989

M18-39

2989

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3316

Males

3141

M18-39

3141

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3255

Males

3096

M18-39

3096

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3461

Males

3266

M18-39

3266

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3080

Males

2893

M18-39

2893

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3904

Males

3587

M18-39

3587

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3952

Males

3587

M18-39

3587

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6543

Males

5409

M18-39

5409

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5721

Males

4808

M18-39

4808

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5296

Males

4463

M18-39

4463

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4779

Males

4057

M18-39

4057

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3588

Males

3132

M18-39

3132

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3481

Males

3050

M18-39

3050

Passing Analysis

Category:
Athletes Passed
788
Passed By
1112
Net Change
-324
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2967
5K → 10K18488+96#2967#2871
10K → 15K52137-85#2871#2956
15K → 20K60135-75#2956#3031
20K → Half1025-15#3031#3046
Half → 25K5182-31#3046#3077
25K → 30K129109+20#3077#3057
30K → 20M5763-6#3057#3063
20M → 21M3348-15#3063#3078
21M → 35K14110-96#3078#3174
35K → 23M46132-86#3174#3260
23M → 24M2678-52#3260#3312
24M → 40K3057-27#3312#3339
40K → 25.2M3216+16#3339#3323
25.2M → Finish6432+32#3323#3291
TOTALS7881112-324
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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