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BOSTON MARATHON 2025

Alexander Doorenbos

Bib: 4622•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 44%
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
20:53
Rank: #5654
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
41:31
Rank: #5211 (+443)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:12
Rank: #4992 (+219)
10K → 15K
20:41 | 6:39/mi
20K· 12.43 mi
1:23:18
Rank: #5028 (-36)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:28:01
Rank: #5125 (-97)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:45:33
Rank: #5673 (-548)
Half → 25K
17:32 | 7:14/mi
30K· 18.64 mi
2:11:05
Rank: #6873 (-1200)
25K → 30K
25:32 | 8:13/mi
20M
2:22:33
Rank: #7246 (-373)
30K → 20M
11:28 | 8:26/mi
21M
2:33:12
Rank: #8096 (-850)
20M → 21M
10:39 | 10:39/mi
35K· 21.75 mi
2:40:23
Rank: #8696 (-600)
21M → 35K
7:11 | 9:36/mi
23M
2:53:15
Rank: #9777 (-1081)
35K → 23M
12:52 | 10:17/mi
24M
3:06:44
Rank: #11681 (-1904)
23M → 24M
13:29 | 13:29/mi
40K· 24.85 mi
3:14:51
Rank: #12020 (-339)
24M → 40K
8:07 | 9:30/mi
25.2M
3:18:19
Rank: #12117 (-97)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:27:22
Rank: #12392 (-275)
25.2M → Finish
9:03 | 8:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:01
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:59:21
Pace9:06 /mi
📊Positive Split: 35.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4020:536:4320:53
6:43
-
10K
6.21 mi10:46:1841:316:4120:38
6:38
-0:05
15K
9.32 mi11:06:591:02:126:4020:41
6:39
+0:01
20K
12.43 mi11:28:051:23:186:4221:06
6:47
+0:08
Half
13.11 mi11:32:481:28:016:434:43
6:55
+0:08
25K
15.53 mi11:50:201:45:336:4817:32
7:14
+0:19
30K
18.64 mi12:15:522:11:057:0225:32
8:13
+0:59
20M
20.00 mi12:27:202:22:337:0811:28
8:26
+0:13
21M
21.00 mi12:37:592:33:127:1810:39
10:39
+2:13
35K
21.75 mi12:45:102:40:237:227:11
9:36
-1:03
23M
23.00 mi12:58:022:53:157:3212:52
10:17
+0:41
24M
24.00 mi13:11:313:06:447:4713:29
13:29
+3:12
40K
24.85 mi13:19:383:14:517:508:07
9:30
-3:59
25.2M
25.20 mi13:23:063:18:197:523:28
10:03
+0:33
Finish
26.22 mi13:32:093:27:227:559:03
8:53
-1:10

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

6:38 /mi

Average Pace

7:55 /mi

Slowest Pace

13:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:33

51% of race

Time at Steady Pace

46:03

22% of race

Time at Slower Pace

55:46

27% of race

Average Pace: 7:55 /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 mi10:25:4020:536:4320:53
6:43
#5654
10K
6.21 mi10:46:1841:316:4120:38
6:38
#5211
15K
9.32 mi11:06:591:02:126:4020:41
6:39
#4992
20K
12.43 mi11:28:051:23:186:4221:06
6:47
#5028
Half
13.11 mi11:32:481:28:016:434:43
6:55
#5125
25K
15.53 mi11:50:201:45:336:4817:32
7:14
#5673
30K
18.64 mi12:15:522:11:057:0225:32
8:13
#6873
20M
20.00 mi12:27:202:22:337:0811:28
8:26
#7246
21M
21.00 mi12:37:592:33:127:1810:39
10:39
#8096
35K
21.75 mi12:45:102:40:237:227:11
9:36
#8696
23M
23.00 mi12:58:022:53:157:3212:52
10:17
#9777
24M
24.00 mi13:11:313:06:447:4713:29
13:29
#11681
40K
24.85 mi13:19:383:14:517:508:07
9:30
#12020
25.2M
25.20 mi13:23:063:18:197:523:28
10:03
#12117
Finish
26.22 mi13:32:093:27:227:559:03
8:53
#12392
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5654523052304725(Top 17%)4418(Top 27%)4418(Top 78%)
10K6.21 mi3.10 mi5211+4434847+3834847+3834813(Top 17%)4503(Top 28%)4503(Top 80%)
15K9.32 mi3.11 mi4992+2194656+1914656+1914725(Top 17%)4418(Top 27%)4418(Top 78%)
20K12.43 mi3.11 mi5028-364681-254681-255229(Top 18%)4818(Top 30%)4818(Top 85%)
Half13.11 mi0.68 mi5125-974757-764757-767028(Top 25%)6248(Top 39%)6248(Top 111%)
25K15.53 mi2.42 mi5673-5485207-4505207-4507837(Top 28%)6666(Top 41%)6666(Top 118%)
30K18.64 mi3.11 mi6873-12006111-9046111-90412944(Top 46%)9111(Top 57%)9111(Top 161%)
20M20.00 mi1.36 mi7246-3736350-2396350-23913365(Top 47%)9151(Top 57%)9151(Top 162%)
21M21.00 mi1.00 mi8096-8506864-5146864-51420422(Top 72%)12223(Top 76%)12223(Top 217%)
35K21.75 mi0.75 mi8696-6007207-3437207-34320657(Top 73%)12269(Top 76%)12269(Top 217%)
23M23.00 mi1.25 mi9777-10817757-5507757-55021333(Top 75%)12558(Top 78%)12558(Top 223%)
24M24.00 mi1.00 mi11681-19048641-8848641-88427297(Top 96%)15428(Top 96%)15428(Top 273%)
40K24.85 mi0.85 mi12020-3398766-1258766-12518654(Top 66%)11139(Top 69%)11139(Top 197%)
25.2M25.20 mi0.35 mi12117-978805-398805-3917193(Top 61%)10434(Top 65%)10434(Top 185%)
Finish26.22 mi1.02 mi12392-2758911-1068911-10618421(Top 65%)11070(Top 69%)11070(Top 196%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4725

Males

4418

M18-39

4418

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4813

Males

4503

M18-39

4503

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4725

Males

4418

M18-39

4418

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5229

Males

4818

M18-39

4818

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7028

Males

6248

M18-39

6248

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7837

Males

6666

M18-39

6666

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12944

Males

9111

M18-39

9111

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13365

Males

9151

M18-39

9151

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20422

Males

12223

M18-39

12223

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20657

Males

12269

M18-39

12269

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21333

Males

12558

M18-39

12558

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

27297

Males

15428

M18-39

15428

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18654

Males

11139

M18-39

11139

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17193

Males

10434

M18-39

10434

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18421

Males

11070

M18-39

11070

Passing Analysis

Category:
Athletes Passed
1026
Passed By
7762
Net Change
-6738
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5654
5K → 10K48037+443#5654#5211
10K → 15K27152+219#5211#4992
15K → 20K112148-36#4992#5028
20K → Half6103-97#5028#5125
Half → 25K27575-548#5125#5673
25K → 30K271227-1200#5673#6873
30K → 20M29402-373#6873#7246
20M → 21M6856-850#7246#8096
21M → 35K5605-600#8096#8696
35K → 23M81089-1081#8696#9777
23M → 24M41906-1904#9777#11681
24M → 40K18357-339#11681#12020
40K → 25.2M15112-97#12020#12117
25.2M → Finish18293-275#12117#12392
TOTALS10267762-6738
📊

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