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BOSTON MARATHON 2025

Brett Van Dorn

Bib: 3058•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:05
Rank: #1575
Start → 5K
19:05 | 6:09/mi
10K· 6.21 mi
37:58
Rank: #1467 (+108)
5K → 10K
18:53 | 6:05/mi
15K· 9.32 mi
57:04
Rank: #1494 (-27)
10K → 15K
19:06 | 6:09/mi
20K· 12.43 mi
1:16:40
Rank: #1620 (-126)
15K → 20K
19:36 | 6:19/mi
Half· 13.11 mi
1:20:53
Rank: #1625 (-5)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:36:26
Rank: #1716 (-91)
Half → 25K
15:33 | 6:25/mi
30K· 18.64 mi
1:57:22
Rank: #1924 (-208)
25K → 30K
20:56 | 6:44/mi
20M
2:06:36
Rank: #1973 (-49)
30K → 20M
9:14 | 6:48/mi
21M
2:13:41
Rank: #1982 (-9)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:18:25
Rank: #1948 (+34)
21M → 35K
4:44 | 6:20/mi
23M
2:27:14
Rank: #2027 (-79)
35K → 23M
8:49 | 7:03/mi
24M
2:34:02
Rank: #2054 (-27)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:39:57
Rank: #2066 (-12)
24M → 40K
5:55 | 6:55/mi
25.2M
2:42:30
Rank: #2083 (-17)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:48:54
Rank: #2059 (+24)
25.2M → Finish
6:24 | 6:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:53
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:28:01
Pace6:43 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2619:056:0919:05
6:09
-
10K
6.21 mi10:39:1937:586:0718:53
6:05
-0:04
15K
9.32 mi10:58:2557:046:0719:06
6:09
+0:04
20K
12.43 mi11:18:011:16:406:1019:36
6:19
+0:10
Half
13.11 mi11:22:141:20:536:104:13
6:11
-0:08
25K
15.53 mi11:37:471:36:266:1215:33
6:25
+0:14
30K
18.64 mi11:58:431:57:226:1820:56
6:44
+0:19
20M
20.00 mi12:07:572:06:366:209:14
6:48
+0:04
21M
21.00 mi12:15:022:13:416:227:05
7:05
+0:17
35K
21.75 mi12:19:462:18:256:224:44
6:20
-0:45
23M
23.00 mi12:28:352:27:146:248:49
7:03
+0:43
24M
24.00 mi12:35:232:34:026:256:48
6:48
-0:15
40K
24.85 mi12:41:182:39:576:265:55
6:55
+0:07
25.2M
25.20 mi12:43:512:42:306:272:33
7:24
+0:29
Finish
26.22 mi12:50:152:48:546:276:24
6:17
-1:07

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

6:05 /mi

Average Pace

6:27 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:17

36% of race

Time at Steady Pace

46:17

27% of race

Time at Slower Pace

1:01:20

36% of race

Average Pace: 6:26 /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 mi10:20:2619:056:0919:05
6:09
#1575
10K
6.21 mi10:39:1937:586:0718:53
6:05
#1467
15K
9.32 mi10:58:2557:046:0719:06
6:09
#1494
20K
12.43 mi11:18:011:16:406:1019:36
6:19
#1620
Half
13.11 mi11:22:141:20:536:104:13
6:11
#1625
25K
15.53 mi11:37:471:36:266:1215:33
6:25
#1716
30K
18.64 mi11:58:431:57:226:1820:56
6:44
#1924
20M
20.00 mi12:07:572:06:366:209:14
6:48
#1973
21M
21.00 mi12:15:022:13:416:227:05
7:05
#1982
35K
21.75 mi12:19:462:18:256:224:44
6:20
#1948
23M
23.00 mi12:28:352:27:146:248:49
7:03
#2027
24M
24.00 mi12:35:232:34:026:256:48
6:48
#2054
40K
24.85 mi12:41:182:39:576:265:55
6:55
#2066
25.2M
25.20 mi12:43:512:42:306:272:33
7:24
#2083
Finish
26.22 mi12:50:152:48:546:276:24
6:17
#2059
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1575150015001596(Top 6%)1515(Top 9%)1515(Top 27%)
10K6.21 mi3.10 mi1467+1081396+1041396+1041395(Top 5%)1324(Top 8%)1324(Top 23%)
15K9.32 mi3.11 mi1494-271419-231419-231596(Top 6%)1515(Top 9%)1515(Top 27%)
20K12.43 mi3.11 mi1620-1261537-1181537-1182049(Top 7%)1953(Top 12%)1953(Top 35%)
Half13.11 mi0.68 mi1625-51541-41541-41871(Top 7%)1784(Top 11%)1784(Top 32%)
25K15.53 mi2.42 mi1716-911629-881629-882426(Top 9%)2306(Top 14%)2306(Top 41%)
30K18.64 mi3.11 mi1924-2081832-2031832-2033063(Top 11%)2876(Top 18%)2876(Top 51%)
20M20.00 mi1.36 mi1973-491878-461878-462870(Top 10%)2679(Top 17%)2679(Top 47%)
21M21.00 mi1.00 mi1982-91886-81886-82576(Top 9%)2398(Top 15%)2398(Top 43%)
35K21.75 mi0.75 mi1948+341851+351851+351711(Top 6%)1605(Top 10%)1605(Top 28%)
23M23.00 mi1.25 mi2027-791926-751926-753975(Top 14%)3545(Top 22%)3545(Top 63%)
24M24.00 mi1.00 mi2054-271951-251951-253465(Top 12%)3100(Top 19%)3100(Top 55%)
40K24.85 mi0.85 mi2066-121961-101961-103410(Top 12%)3029(Top 19%)3029(Top 54%)
25.2M25.20 mi0.35 mi2083-171977-161977-162857(Top 10%)2536(Top 16%)2536(Top 45%)
Finish26.22 mi1.02 mi2059+241953+241953+241804(Top 6%)1667(Top 10%)1667(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1596

Males

1515

M18-39

1515

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1395

Males

1324

M18-39

1324

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1596

Males

1515

M18-39

1515

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2049

Males

1953

M18-39

1953

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1871

Males

1784

M18-39

1784

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2426

Males

2306

M18-39

2306

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3063

Males

2876

M18-39

2876

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2870

Males

2679

M18-39

2679

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2576

Males

2398

M18-39

2398

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1711

Males

1605

M18-39

1605

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3975

Males

3545

M18-39

3545

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3465

Males

3100

M18-39

3100

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3410

Males

3029

M18-39

3029

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2857

Males

2536

M18-39

2536

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1804

Males

1667

M18-39

1667

Passing Analysis

Category:
Athletes Passed
506
Passed By
990
Net Change
-484
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1575
5K → 10K14638+108#1575#1467
10K → 15K4067-27#1467#1494
15K → 20K21147-126#1494#1620
20K → Half914-5#1620#1625
Half → 25K26117-91#1625#1716
25K → 30K34242-208#1716#1924
30K → 20M1968-49#1924#1973
20M → 21M3342-9#1973#1982
21M → 35K4612+34#1982#1948
35K → 23M23102-79#1948#2027
23M → 24M2956-27#2027#2054
24M → 40K3345-12#2054#2066
40K → 25.2M522-17#2066#2083
25.2M → Finish4218+24#2083#2059
TOTALS506990-484
📊

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