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BOSTON MARATHON 2025

Robert Van Kirk

Bib: 4059•M

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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 35%
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
20:04
Rank: #3541
Start → 5K
20:04 | 6:28/mi
10K· 6.21 mi
40:20
Rank: #3717 (-176)
5K → 10K
20:16 | 6:31/mi
15K· 9.32 mi
1:00:35
Rank: #3700 (+17)
10K → 15K
20:15 | 6:31/mi
20K· 12.43 mi
1:21:03
Rank: #3667 (+33)
15K → 20K
20:28 | 6:35/mi
Half· 13.11 mi
1:25:32
Rank: #3689 (-22)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:41:33
Rank: #3624 (+65)
Half → 25K
16:01 | 6:36/mi
30K· 18.64 mi
2:03:25
Rank: #3768 (-144)
25K → 30K
21:52 | 7:02/mi
20M
2:13:09
Rank: #3825 (-57)
30K → 20M
9:44 | 7:10/mi
21M
2:21:03
Rank: #3966 (-141)
20M → 21M
7:54 | 7:54/mi
35K· 21.75 mi
2:26:28
Rank: #4080 (-114)
21M → 35K
5:25 | 7:14/mi
23M
2:36:50
Rank: #4530 (-450)
35K → 23M
10:22 | 8:17/mi
24M
2:45:11
Rank: #5001 (-471)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
2:55:23
Rank: #5927 (-926)
24M → 40K
10:12 | 11:56/mi
25.2M
2:59:46
Rank: #6305 (-378)
40K → 25.2M
4:23 | 12:43/mi
Finish· 26.22 mi
3:08:21
Rank: #6583 (-278)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:32
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:42:49
Pace7:51 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0420:046:2820:04
6:28
-
10K
6.21 mi10:42:2040:206:2920:16
6:31
+0:03
15K
9.32 mi11:02:351:00:356:3020:15
6:31
0:00
20K
12.43 mi11:23:031:21:036:3120:28
6:35
+0:04
Half
13.11 mi11:27:321:25:326:314:29
6:34
-0:01
25K
15.53 mi11:43:331:41:336:3216:01
6:36
+0:02
30K
18.64 mi12:05:252:03:256:3721:52
7:02
+0:26
20M
20.00 mi12:15:092:13:096:399:44
7:10
+0:08
21M
21.00 mi12:23:032:21:036:437:54
7:54
+0:44
35K
21.75 mi12:28:282:26:286:445:25
7:14
-0:40
23M
23.00 mi12:38:502:36:506:4910:22
8:17
+1:03
24M
24.00 mi12:47:112:45:116:538:21
8:21
+0:04
40K
24.85 mi12:57:232:55:237:0310:12
11:56
+3:35
25.2M
25.20 mi13:01:462:59:467:084:23
12:43
+0:47
Finish
26.22 mi13:10:213:08:217:118:35
8:25
-4:18

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

6:28 /mi

Average Pace

7:11 /mi

Slowest Pace

12:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:26:28

78% of race

Time at Slower Pace

41:53

22% of race

Average Pace: 7:11 /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 mi10:22:0420:046:2820:04
6:28
#3541
10K
6.21 mi10:42:2040:206:2920:16
6:31
#3717
15K
9.32 mi11:02:351:00:356:3020:15
6:31
#3700
20K
12.43 mi11:23:031:21:036:3120:28
6:35
#3667
Half
13.11 mi11:27:321:25:326:314:29
6:34
#3689
25K
15.53 mi11:43:331:41:336:3216:01
6:36
#3624
30K
18.64 mi12:05:252:03:256:3721:52
7:02
#3768
20M
20.00 mi12:15:092:13:096:399:44
7:10
#3825
21M
21.00 mi12:23:032:21:036:437:54
7:54
#3966
35K
21.75 mi12:28:282:26:286:445:25
7:14
#4080
23M
23.00 mi12:38:502:36:506:4910:22
8:17
#4530
24M
24.00 mi12:47:112:45:116:538:21
8:21
#5001
40K
24.85 mi12:57:232:55:237:0310:12
11:56
#5927
25.2M
25.20 mi13:01:462:59:467:084:23
12:43
#6305
Finish
26.22 mi13:10:213:08:217:118:35
8:25
#6583
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3541336333633686(Top 13%)3481(Top 22%)3481(Top 62%)
10K6.21 mi3.10 mi3717-1763523-1603523-1603912(Top 14%)3686(Top 23%)3686(Top 65%)
15K9.32 mi3.11 mi3700+173499+243499+243686(Top 13%)3481(Top 22%)3481(Top 62%)
20K12.43 mi3.11 mi3667+333469+303469+303629(Top 13%)3428(Top 21%)3428(Top 61%)
Half13.11 mi0.68 mi3689-223487-183487-184238(Top 15%)3977(Top 25%)3977(Top 70%)
25K15.53 mi2.42 mi3624+653423+643423+643516(Top 12%)3316(Top 21%)3316(Top 59%)
30K18.64 mi3.11 mi3768-1443552-1293552-1294942(Top 17%)4490(Top 28%)4490(Top 80%)
20M20.00 mi1.36 mi3825-573601-493601-495012(Top 18%)4497(Top 28%)4497(Top 80%)
21M21.00 mi1.00 mi3966-1413716-1153716-1156778(Top 24%)5549(Top 34%)5549(Top 98%)
35K21.75 mi0.75 mi4080-1143809-933809-936846(Top 24%)5605(Top 35%)5605(Top 99%)
23M23.00 mi1.25 mi4530-4504182-3734182-37311887(Top 42%)8169(Top 51%)8169(Top 145%)
24M24.00 mi1.00 mi5001-4714573-3914573-39113531(Top 48%)8903(Top 55%)8903(Top 158%)
40K24.85 mi0.85 mi5927-9265294-7215294-72124802(Top 87%)14160(Top 88%)14160(Top 251%)
25.2M25.20 mi0.35 mi6305-3785554-2605554-26024555(Top 86%)14030(Top 87%)14030(Top 249%)
Finish26.22 mi1.02 mi6583-2785710-1565710-15615694(Top 55%)9783(Top 61%)9783(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3686

Males

3481

M18-39

3481

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3912

Males

3686

M18-39

3686

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3686

Males

3481

M18-39

3481

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3629

Males

3428

M18-39

3428

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4238

Males

3977

M18-39

3977

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3516

Males

3316

M18-39

3316

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4942

Males

4490

M18-39

4490

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5012

Males

4497

M18-39

4497

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6778

Males

5549

M18-39

5549

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6846

Males

5605

M18-39

5605

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11887

Males

8169

M18-39

8169

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13531

Males

8903

M18-39

8903

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24802

Males

14160

M18-39

14160

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24555

Males

14030

M18-39

14030

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15694

Males

9783

M18-39

9783

Passing Analysis

Category:
Athletes Passed
593
Passed By
3635
Net Change
-3042
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3541
5K → 10K63239-176#3541#3717
10K → 15K11699+17#3717#3700
15K → 20K10673+33#3700#3667
20K → Half931-22#3667#3689
Half → 25K9934+65#3689#3624
25K → 30K61205-144#3624#3768
30K → 20M45102-57#3768#3825
20M → 21M32173-141#3825#3966
21M → 35K20134-114#3966#4080
35K → 23M14464-450#4080#4530
23M → 24M10481-471#4530#5001
24M → 40K1927-926#5001#5927
40K → 25.2M1379-378#5927#6305
25.2M → Finish16294-278#6305#6583
TOTALS5933635-3042
📊

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