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BOSTON MARATHON 2025

Joel Dehaan

Bib: 2166•M

MI

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
19:37
Rank: #2536
Start → 5K
19:37 | 6:19/mi
10K· 6.21 mi
39:20
Rank: #2631 (-95)
5K → 10K
19:43 | 6:21/mi
15K· 9.32 mi
59:16
Rank: #2735 (-104)
10K → 15K
19:56 | 6:25/mi
20K· 12.43 mi
1:20:31
Rank: #3352 (-617)
15K → 20K
21:15 | 6:50/mi
Half· 13.11 mi
1:24:57
Rank: #3379 (-27)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:43:32
Rank: #4506 (-1127)
Half → 25K
18:35 | 7:40/mi
30K· 18.64 mi
2:12:13
Rank: #7299 (-2793)
25K → 30K
28:41 | 9:14/mi
20M
2:30:29
Rank: #10456 (-3157)
30K → 20M
18:16 | 13:27/mi
21M
2:43:43
Rank: #12273 (-1817)
20M → 21M
13:14 | 13:14/mi
35K· 21.75 mi
2:50:14
Rank: #12436 (-163)
21M → 35K
6:31 | 8:43/mi
23M
3:02:19
Rank: #12977 (-541)
35K → 23M
12:05 | 9:39/mi
24M
3:12:53
Rank: #13692 (-715)
23M → 24M
10:34 | 10:34/mi
40K· 24.85 mi
3:22:32
Rank: #14370 (-678)
24M → 40K
9:39 | 11:17/mi
25.2M
3:26:12
Rank: #14480 (-110)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
3:35:09
Rank: #14602 (-122)
25.2M → Finish
8:57 | 8:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:57
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time2:10:12
Pace9:56 /mi
📊Positive Split: 53.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1819:376:1919:37
6:19
-
10K
6.21 mi10:40:0139:206:2019:43
6:21
+0:02
15K
9.32 mi10:59:5759:166:2219:56
6:25
+0:04
20K
12.43 mi11:21:121:20:316:2921:15
6:50
+0:25
Half
13.11 mi11:25:381:24:576:294:26
6:30
-0:20
25K
15.53 mi11:44:131:43:326:4018:35
7:40
+1:10
30K
18.64 mi12:12:542:12:137:0628:41
9:14
+1:34
20M
20.00 mi12:31:102:30:297:3118:16
13:27
+4:13
21M
21.00 mi12:44:242:43:437:4813:14
13:14
-0:13
35K
21.75 mi12:50:552:50:147:506:31
8:43
-4:31
23M
23.00 mi13:03:003:02:197:5612:05
9:39
+0:56
24M
24.00 mi13:13:343:12:538:0210:34
10:34
+0:55
40K
24.85 mi13:23:133:22:328:099:39
11:17
+0:43
25.2M
25.20 mi13:26:533:26:128:113:40
10:38
-0:39
Finish
26.22 mi13:35:503:35:098:138:57
8:47
-1:51

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

6:19 /mi

Average Pace

8:13 /mi

Slowest Pace

13:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:57

39% of race

Time at Steady Pace

1:14:49

35% of race

Time at Slower Pace

55:23

26% of race

Average Pace: 8:12 /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 mi10:20:1819:376:1919:37
6:19
#2536
10K
6.21 mi10:40:0139:206:2019:43
6:21
#2631
15K
9.32 mi10:59:5759:166:2219:56
6:25
#2735
20K
12.43 mi11:21:121:20:316:2921:15
6:50
#3352
Half
13.11 mi11:25:381:24:576:294:26
6:30
#3379
25K
15.53 mi11:44:131:43:326:4018:35
7:40
#4506
30K
18.64 mi12:12:542:12:137:0628:41
9:14
#7299
20M
20.00 mi12:31:102:30:297:3118:16
13:27
#10456
21M
21.00 mi12:44:242:43:437:4813:14
13:14
#12273
35K
21.75 mi12:50:552:50:147:506:31
8:43
#12436
23M
23.00 mi13:03:003:02:197:5612:05
9:39
#12977
24M
24.00 mi13:13:343:12:538:0210:34
10:34
#13692
40K
24.85 mi13:23:133:22:328:099:39
11:17
#14370
25.2M
25.20 mi13:26:533:26:128:113:40
10:38
#14480
Finish
26.22 mi13:35:503:35:098:138:57
8:47
#14602
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2536241724173050(Top 11%)2907(Top 18%)2907(Top 52%)
10K6.21 mi3.10 mi2631-952506-892506-892733(Top 10%)2604(Top 16%)2604(Top 46%)
15K9.32 mi3.11 mi2735-1042607-1012607-1013050(Top 11%)2907(Top 18%)2907(Top 52%)
20K12.43 mi3.11 mi3352-6173185-5783185-5785706(Top 20%)5204(Top 32%)5204(Top 92%)
Half13.11 mi0.68 mi3379-273209-243209-243723(Top 13%)3523(Top 22%)3523(Top 62%)
25K15.53 mi2.42 mi4506-11274216-10074216-100711264(Top 40%)8519(Top 53%)8519(Top 151%)
30K18.64 mi3.11 mi7299-27936422-22066422-220618777(Top 66%)11728(Top 73%)11728(Top 208%)
20M20.00 mi1.36 mi10456-31578203-17818203-178126834(Top 94%)15299(Top 95%)15299(Top 271%)
21M21.00 mi1.00 mi12273-18179025-8229025-82225353(Top 89%)14548(Top 90%)14548(Top 258%)
35K21.75 mi0.75 mi12436-1639076-519076-5116706(Top 59%)10480(Top 65%)10480(Top 186%)
23M23.00 mi1.25 mi12977-5419291-2159291-21519262(Top 68%)11560(Top 72%)11560(Top 205%)
24M24.00 mi1.00 mi13692-7159569-2789569-27822980(Top 81%)13291(Top 83%)13291(Top 236%)
40K24.85 mi0.85 mi14370-6789848-2799848-27923726(Top 84%)13620(Top 85%)13620(Top 241%)
25.2M25.20 mi0.35 mi14480-1109889-419889-4119420(Top 68%)11494(Top 71%)11494(Top 204%)
Finish26.22 mi1.02 mi14602-1229912-239912-2317924(Top 63%)10835(Top 67%)10835(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3050

Males

2907

M18-39

2907

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2733

Males

2604

M18-39

2604

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3050

Males

2907

M18-39

2907

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5706

Males

5204

M18-39

5204

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3723

Males

3523

M18-39

3523

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

11264

Males

8519

M18-39

8519

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18777

Males

11728

M18-39

11728

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

26834

Males

15299

M18-39

15299

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25353

Males

14548

M18-39

14548

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16706

Males

10480

M18-39

10480

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

19262

Males

11560

M18-39

11560

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

22980

Males

13291

M18-39

13291

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23726

Males

13620

M18-39

13620

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19420

Males

11494

M18-39

11494

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

17924

Males

10835

M18-39

10835

Passing Analysis

Category:
Athletes Passed
284
Passed By
12348
Net Change
-12066
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2536
5K → 10K82177-95#2536#2631
10K → 15K46150-104#2631#2735
15K → 20K9626-617#2735#3352
20K → Half936-27#3352#3379
Half → 25K41131-1127#3379#4506
25K → 30K62799-2793#4506#7299
30K → 20M33158-3157#7299#10456
20M → 21M01817-1817#10456#12273
21M → 35K34197-163#12273#12436
35K → 23M27568-541#12436#12977
23M → 24M8723-715#12977#13692
24M → 40K7685-678#13692#14370
40K → 25.2M8118-110#14370#14480
25.2M → Finish41163-122#14480#14602
TOTALS28412348-12066
📊

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