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BOSTON MARATHON 2025

Rick Boswijk

Bib: 28519•M

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0:00
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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
31:52
Rank: #26214
Start → 5K
31:52 | 10:15/mi
10K· 6.21 mi
1:04:01
Rank: #26094 (+120)
5K → 10K
32:09 | 10:21/mi
15K· 9.32 mi
1:36:30
Rank: #26000 (+94)
10K → 15K
32:29 | 10:27/mi
20K· 12.43 mi
2:10:24
Rank: #25968 (+32)
15K → 20K
33:54 | 10:55/mi
Half· 13.11 mi
2:17:54
Rank: #25990 (-22)
20K → Half
7:30 | 11:00/mi
25K· 15.53 mi
2:47:07
Rank: #26129 (-139)
Half → 25K
29:13 | 12:03/mi
30K· 18.64 mi
3:27:26
Rank: #26270 (-141)
25K → 30K
40:19 | 12:59/mi
20M
3:45:56
Rank: #26371 (-101)
30K → 20M
18:30 | 13:37/mi
21M
4:01:55
Rank: #26509 (-138)
20M → 21M
15:59 | 15:59/mi
35K· 21.75 mi
4:11:37
Rank: #26528 (-19)
21M → 35K
9:42 | 12:58/mi
23M
4:29:07
Rank: #26606 (-78)
35K → 23M
17:30 | 13:59/mi
24M
4:41:33
Rank: #26607 (-1)
23M → 24M
12:26 | 12:26/mi
40K· 24.85 mi
4:52:43
Rank: #26609 (-2)
24M → 40K
11:10 | 13:04/mi
25.2M
4:57:34
Rank: #26614 (-5)
40K → 25.2M
4:51 | 14:04/mi
Finish· 26.22 mi
5:10:09
Rank: #26649 (-35)
25.2M → Finish
12:35 | 12:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:54
Pace10:31 /mi
2nd Half
Distance13.11 mi
Time2:52:15
Pace13:08 /mi
📊Positive Split: 24.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5531:5210:1531:52
10:15
-
10K
6.21 mi12:22:041:04:0110:1832:09
10:21
+0:06
15K
9.32 mi12:54:331:36:3010:2132:29
10:27
+0:06
20K
12.43 mi13:28:272:10:2410:3033:54
10:55
+0:28
Half
13.11 mi13:35:572:17:5410:317:30
11:00
+0:05
25K
15.53 mi14:05:102:47:0710:4529:13
12:03
+1:03
30K
18.64 mi14:45:293:27:2611:0840:19
12:59
+0:56
20M
20.00 mi15:03:593:45:5611:1818:30
13:37
+0:38
21M
21.00 mi15:19:584:01:5511:3115:59
15:59
+2:22
35K
21.75 mi15:29:404:11:3711:349:42
12:58
-3:01
23M
23.00 mi15:47:104:29:0711:4217:30
13:59
+1:01
24M
24.00 mi15:59:364:41:3311:4412:26
12:26
-1:33
40K
24.85 mi16:10:464:52:4311:4711:10
13:04
+0:38
25.2M
25.20 mi16:15:374:57:3411:494:51
14:04
+1:00
Finish
26.22 mi16:28:125:10:0911:5012:35
12:21
-1:43

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

10:15 /mi

Average Pace

11:50 /mi

Slowest Pace

15:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:54

44% of race

Time at Steady Pace

1:55:25

37% of race

Time at Slower Pace

56:50

18% of race

Average Pace: 11:50 /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 mi11:49:5531:5210:1531:52
10:15
#26214
10K
6.21 mi12:22:041:04:0110:1832:09
10:21
#26094
15K
9.32 mi12:54:331:36:3010:2132:29
10:27
#26000
20K
12.43 mi13:28:272:10:2410:3033:54
10:55
#25968
Half
13.11 mi13:35:572:17:5410:317:30
11:00
#25990
25K
15.53 mi14:05:102:47:0710:4529:13
12:03
#26129
30K
18.64 mi14:45:293:27:2611:0840:19
12:59
#26270
20M
20.00 mi15:03:593:45:5611:1818:30
13:37
#26371
21M
21.00 mi15:19:584:01:5511:3115:59
15:59
#26509
35K
21.75 mi15:29:404:11:3711:349:42
12:58
#26528
23M
23.00 mi15:47:104:29:0711:4217:30
13:59
#26606
24M
24.00 mi15:59:364:41:3311:4412:26
12:26
#26607
40K
24.85 mi16:10:464:52:4311:4711:10
13:04
#26609
25.2M
25.20 mi16:15:374:57:3411:494:51
14:04
#26614
Finish
26.22 mi16:28:125:10:0911:5012:35
12:21
#26649
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26214152681526825850(Top 91%)15082(Top 94%)15082(Top 267%)
10K6.21 mi3.10 mi26094+12015206+6215206+6226005(Top 92%)15149(Top 94%)15149(Top 269%)
15K9.32 mi3.11 mi26000+9415157+4915157+4925850(Top 91%)15082(Top 94%)15082(Top 267%)
20K12.43 mi3.11 mi25968+3215133+2415133+2425866(Top 91%)15066(Top 94%)15066(Top 267%)
Half13.11 mi0.68 mi25990-2215140-715140-726492(Top 93%)15310(Top 95%)15310(Top 271%)
25K15.53 mi2.42 mi26129-13915204-6415204-6426484(Top 93%)15287(Top 95%)15287(Top 271%)
30K18.64 mi3.11 mi26270-14115236-3215236-3226655(Top 94%)15281(Top 95%)15281(Top 271%)
20M20.00 mi1.36 mi26371-10115258-2215258-2227005(Top 95%)15376(Top 95%)15376(Top 273%)
21M21.00 mi1.00 mi26509-13815311-5315311-5327798(Top 98%)15774(Top 98%)15774(Top 280%)
35K21.75 mi0.75 mi26528-19153111531126933(Top 95%)15308(Top 95%)15308(Top 271%)
23M23.00 mi1.25 mi26606-7815327-1615327-1627308(Top 96%)15477(Top 96%)15477(Top 274%)
24M24.00 mi1.00 mi26607-115321+615321+626236(Top 92%)14934(Top 93%)14934(Top 265%)
40K24.85 mi0.85 mi26609-215318+315318+326356(Top 93%)14971(Top 93%)14971(Top 265%)
25.2M25.20 mi0.35 mi26614-515317+115317+126359(Top 93%)14929(Top 93%)14929(Top 265%)
Finish26.22 mi1.02 mi26649-3515323-615323-627171(Top 96%)15401(Top 96%)15401(Top 273%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25850

Males

15082

M18-39

15082

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26005

Males

15149

M18-39

15149

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25850

Males

15082

M18-39

15082

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25866

Males

15066

M18-39

15066

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26492

Males

15310

M18-39

15310

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

26484

Males

15287

M18-39

15287

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

26655

Males

15281

M18-39

15281

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

27005

Males

15376

M18-39

15376

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

27798

Males

15774

M18-39

15774

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

26933

Males

15308

M18-39

15308

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

27308

Males

15477

M18-39

15477

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

26236

Males

14934

M18-39

14934

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26356

Males

14971

M18-39

14971

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26359

Males

14929

M18-39

14929

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

27171

Males

15401

M18-39

15401

Passing Analysis

Category:
Athletes Passed
783
Passed By
1218
Net Change
-435
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26214
5K → 10K227107+120#26214#26094
10K → 15K16874+94#26094#26000
15K → 20K133101+32#26000#25968
20K → Half1739-22#25968#25990
Half → 25K38177-139#25990#26129
25K → 30K57198-141#26129#26270
30K → 20M29130-101#26270#26371
20M → 21M9147-138#26371#26509
21M → 35K1736-19#26509#26528
35K → 23M23101-78#26528#26606
23M → 24M2930-1#26606#26607
24M → 40K1820-2#26607#26609
40K → 25.2M914-5#26609#26614
25.2M → Finish944-35#26614#26649
TOTALS7831218-435
📊

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