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BOSTON MARATHON 2025

Alexander Van Herpen

Bib: 4896•M

AR

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
32:00
Rank: #26300
Start → 5K
32:00 | 10:18/mi
10K· 6.21 mi
1:04:46
Rank: #26347 (-47)
5K → 10K
32:46 | 10:33/mi
15K· 9.32 mi
1:38:16
Rank: #26359 (-12)
10K → 15K
33:30 | 10:47/mi
20K· 12.43 mi
2:11:21
Rank: #26105 (+254)
15K → 20K
33:05 | 10:39/mi
Half· 13.11 mi
2:18:37
Rank: #26095 (+10)
20K → Half
7:16 | 10:39/mi
25K· 15.53 mi
2:46:28
Rank: #26062 (+33)
Half → 25K
27:51 | 11:29/mi
30K· 18.64 mi
3:22:46
Rank: #25871 (+191)
25K → 30K
36:18 | 11:41/mi
20M
3:39:29
Rank: #25868 (+3)
30K → 20M
16:43 | 12:18/mi
21M
3:52:49
Rank: #25859 (+9)
20M → 21M
13:20 | 13:20/mi
35K· 21.75 mi
4:01:58
Rank: #25883 (-24)
21M → 35K
9:09 | 12:14/mi
23M
4:17:42
Rank: #25913 (-30)
35K → 23M
15:44 | 12:34/mi
24M
4:30:19
Rank: #25953 (-40)
23M → 24M
12:37 | 12:37/mi
40K· 24.85 mi
4:41:12
Rank: #25975 (-22)
24M → 40K
10:53 | 12:44/mi
25.2M
4:45:54
Rank: #25983 (-8)
40K → 25.2M
4:42 | 13:38/mi
Finish· 26.22 mi
4:57:58
Rank: #26023 (-40)
25.2M → Finish
12:04 | 11:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:37
Pace10:34 /mi
2nd Half
Distance13.11 mi
Time2:39:21
Pace12:09 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:2032:0010:1832:00
10:18
-
10K
6.21 mi12:06:061:04:4610:2532:46
10:33
+0:15
15K
9.32 mi12:39:361:38:1610:3333:30
10:47
+0:14
20K
12.43 mi13:12:412:11:2110:3433:05
10:39
-0:08
Half
13.11 mi13:19:572:18:3710:347:16
10:39
0:00
25K
15.53 mi13:47:482:46:2810:4327:51
11:29
+0:50
30K
18.64 mi14:24:063:22:4610:5336:18
11:41
+0:12
20M
20.00 mi14:40:493:39:2910:5816:43
12:18
+0:37
21M
21.00 mi14:54:093:52:4911:0513:20
13:20
+1:02
35K
21.75 mi15:03:184:01:5811:089:09
12:14
-1:06
23M
23.00 mi15:19:024:17:4211:1215:44
12:34
+0:20
24M
24.00 mi15:31:394:30:1911:1612:37
12:37
+0:03
40K
24.85 mi15:42:324:41:1211:1910:53
12:44
+0:07
25.2M
25.20 mi15:47:144:45:5411:214:42
13:38
+0:54
Finish
26.22 mi15:59:184:57:5811:2212:04
11:50
-1:48

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

10:18 /mi

Average Pace

11:22 /mi

Slowest Pace

13:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:37

47% of race

Time at Steady Pace

1:42:05

34% of race

Time at Slower Pace

57:16

19% of race

Average Pace: 11:22 /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 mi11:33:2032:0010:1832:00
10:18
#26300
10K
6.21 mi12:06:061:04:4610:2532:46
10:33
#26347
15K
9.32 mi12:39:361:38:1610:3333:30
10:47
#26359
20K
12.43 mi13:12:412:11:2110:3433:05
10:39
#26105
Half
13.11 mi13:19:572:18:3710:347:16
10:39
#26095
25K
15.53 mi13:47:482:46:2810:4327:51
11:29
#26062
30K
18.64 mi14:24:063:22:4610:5336:18
11:41
#25871
20M
20.00 mi14:40:493:39:2910:5816:43
12:18
#25868
21M
21.00 mi14:54:093:52:4911:0513:20
13:20
#25859
35K
21.75 mi15:03:184:01:5811:089:09
12:14
#25883
23M
23.00 mi15:19:024:17:4211:1215:44
12:34
#25913
24M
24.00 mi15:31:394:30:1911:1612:37
12:37
#25953
40K
24.85 mi15:42:324:41:1211:1910:53
12:44
#25975
25.2M
25.20 mi15:47:144:45:5411:214:42
13:38
#25983
Finish
26.22 mi15:59:184:57:5811:2212:04
11:50
#26023
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26300153101531026383(Top 93%)15325(Top 95%)15325(Top 272%)
10K6.21 mi3.10 mi26347-4715318-815318-826350(Top 93%)15300(Top 95%)15300(Top 271%)
15K9.32 mi3.11 mi26359-1215314+415314+426383(Top 93%)15325(Top 95%)15325(Top 272%)
20K12.43 mi3.11 mi26105+25415196+11815196+11825453(Top 90%)14884(Top 92%)14884(Top 264%)
Half13.11 mi0.68 mi26095+1015191+515191+526028(Top 92%)15121(Top 94%)15121(Top 268%)
25K15.53 mi2.42 mi26062+3315165+2615165+2625841(Top 91%)15003(Top 93%)15003(Top 266%)
30K18.64 mi3.11 mi25871+19115053+11215053+11225120(Top 88%)14587(Top 91%)14587(Top 259%)
20M20.00 mi1.36 mi25868+315037+1615037+1625677(Top 90%)14779(Top 92%)14779(Top 262%)
21M21.00 mi1.00 mi25859+915018+1915018+1925492(Top 90%)14622(Top 91%)14622(Top 259%)
35K21.75 mi0.75 mi25883-2415028-1015028-1026167(Top 92%)14923(Top 93%)14923(Top 264%)
23M23.00 mi1.25 mi25913-3015033-515033-525887(Top 91%)14780(Top 92%)14780(Top 262%)
24M24.00 mi1.00 mi25953-4015044-1115044-1126447(Top 93%)15037(Top 93%)15037(Top 267%)
40K24.85 mi0.85 mi25975-2215046-215046-225977(Top 91%)14776(Top 92%)14776(Top 262%)
25.2M25.20 mi0.35 mi25983-815045+115045+125849(Top 91%)14674(Top 91%)14674(Top 260%)
Finish26.22 mi1.02 mi26023-4015050-515050-526609(Top 94%)15104(Top 94%)15104(Top 268%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

26383

Males

15325

M18-39

15325

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

26350

Males

15300

M18-39

15300

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

26383

Males

15325

M18-39

15325

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25453

Males

14884

M18-39

14884

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

26028

Males

15121

M18-39

15121

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25841

Males

15003

M18-39

15003

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

25120

Males

14587

M18-39

14587

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

25677

Males

14779

M18-39

14779

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25492

Males

14622

M18-39

14622

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

26167

Males

14923

M18-39

14923

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

25887

Males

14780

M18-39

14780

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

26447

Males

15037

M18-39

15037

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25977

Males

14776

M18-39

14776

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25849

Males

14674

M18-39

14674

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

26609

Males

15104

M18-39

15104

Passing Analysis

Category:
Athletes Passed
1083
Passed By
806
Net Change
+277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26300
5K → 10K145192-47#26300#26347
10K → 15K124136-12#26347#26359
15K → 20K27016+254#26359#26105
20K → Half3020+10#26105#26095
Half → 25K9259+33#26095#26062
25K → 30K21928+191#26062#25871
30K → 20M5552+3#25871#25868
20M → 21M4839+9#25868#25859
21M → 35K2044-24#25859#25883
35K → 23M2858-30#25883#25913
23M → 24M1858-40#25913#25953
24M → 40K1739-22#25953#25975
40K → 25.2M917-8#25975#25983
25.2M → Finish848-40#25983#26023
TOTALS1083806+277
📊

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