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BOSTON MARATHON 2025

Daniel Vandersteen

Bib: 13246•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 31%
Division (M50-54)
#0 / 1996
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:18/mi
22:40
↑ 97↓ 3451.5%
10K· 6.21 mi
7:16/mi
45:14
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:08:01
↑ 67↓ 78
20K· 12.43 mi
7:21/mi
1:30:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:35:43
↑ 19↓ 370.5%
25K· 15.53 mi
7:24/mi
1:53:39
↑ 66↓ 880.2%
30K· 18.64 mi
7:43/mi
2:17:37
↑ 181↓ 1480.2%
20M
7:44/mi
2:28:08
↑ 64↓ 500.2%
21M
8:12/mi
2:36:20
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:41:43
↑ 17↓ 861.7%
23M
7:34/mi
2:51:12
↑ 23↓ 630.6%
24M
7:18/mi
2:58:30
↓ 821.3%
40K· 24.85 mi
7:20/mi
3:04:46
↓ 200.3%
25.2M
8:10/mi
3:07:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:15:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:43
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:39:20
Pace7:35 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1922:407:1822:40
7:18
-
10K
6.21 mi11:18:5345:147:1722:34
7:16
-0:02
15K
9.32 mi11:41:401:08:017:1822:47
7:20
+0:04
20K
12.43 mi12:04:301:30:517:1922:50
7:21
+0:01
Half
13.11 mi12:09:221:35:437:184:52
7:08
-0:13
25K
15.53 mi12:27:181:53:397:1917:56
7:24
+0:16
30K
18.64 mi12:51:162:17:377:2323:58
7:43
+0:19
20M
20.00 mi13:01:472:28:087:2410:31
7:44
+0:01
21M
21.00 mi13:09:592:36:207:278:12
8:12
+0:28
35K
21.75 mi13:15:222:41:437:265:23
7:12
-1:00
23M
23.00 mi13:24:512:51:127:279:29
7:34
+0:22
24M
24.00 mi13:32:092:58:307:267:18
7:18
-0:16
40K
24.85 mi13:38:253:04:467:266:16
7:20
+0:02
25.2M
25.20 mi13:41:143:07:357:272:49
8:10
+0:50
Finish
26.22 mi13:48:423:15:037:277:28
7:20
-0:50

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

7:08 /mi

Average Pace

7:27 /mi

Slowest Pace

8:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:02

94% of race

Time at Steady Pace

11:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:56:1922:407:1822:40
7:18
#10306
10K
6.21 mi11:18:5345:147:1722:34
7:16
#10168
15K
9.32 mi11:41:401:08:017:1822:47
7:20
#10181
20K
12.43 mi12:04:301:30:517:1922:50
7:21
#9964
Half
13.11 mi12:09:221:35:437:184:52
7:08
#9891
25K
15.53 mi12:27:181:53:397:1917:56
7:24
#9706
30K
18.64 mi12:51:162:17:377:2323:58
7:43
#9543
20M
20.00 mi13:01:472:28:087:2410:31
7:44
#9437
21M
21.00 mi13:09:592:36:207:278:12
8:12
#9355
35K
21.75 mi13:15:222:41:437:265:23
7:12
#9203
23M
23.00 mi13:24:512:51:127:279:29
7:34
#9021
24M
24.00 mi13:32:092:58:307:267:18
7:18
#8852
40K
24.85 mi13:38:253:04:467:266:16
7:20
#8665
25.2M
25.20 mi13:41:143:07:357:272:49
8:10
#8607
Finish
26.22 mi13:48:423:15:037:277:28
7:20
#8561
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi103068330833010247(Top 36%)8214(Top 51%)8214(Top 412%)
10K6.21 mi3.10 mi10168+1388253+778253+7710017(Top 35%)8149(Top 51%)8149(Top 408%)
15K9.32 mi3.11 mi10181-138228+258228+2510247(Top 36%)8214(Top 51%)8214(Top 412%)
20K12.43 mi3.11 mi9964+2178089+1398089+1399441(Top 33%)7705(Top 48%)7705(Top 386%)
Half13.11 mi0.68 mi9891+738046+438046+438519(Top 30%)7202(Top 45%)7202(Top 361%)
25K15.53 mi2.42 mi9706+1857912+1347912+1349108(Top 32%)7400(Top 46%)7400(Top 371%)
30K18.64 mi3.11 mi9543+1637769+1437769+1439271(Top 33%)7294(Top 45%)7294(Top 365%)
20M20.00 mi1.36 mi9437+1067668+1017668+1018611(Top 30%)6790(Top 42%)6790(Top 340%)
21M21.00 mi1.00 mi9355+827595+737595+738563(Top 30%)6571(Top 41%)6571(Top 329%)
35K21.75 mi0.75 mi9203+1527488+1077488+1076580(Top 23%)5446(Top 34%)5446(Top 273%)
23M23.00 mi1.25 mi9021+1827347+1417347+1417073(Top 25%)5626(Top 35%)5626(Top 282%)
24M24.00 mi1.00 mi8852+1697216+1317216+1316423(Top 23%)5178(Top 32%)5178(Top 259%)
40K24.85 mi0.85 mi8665+1877068+1487068+1485815(Top 20%)4748(Top 29%)4748(Top 238%)
25.2M25.20 mi0.35 mi8607+587022+467022+466860(Top 24%)5279(Top 33%)5279(Top 264%)
Finish26.22 mi1.02 mi8561+466969+536969+537948(Top 28%)5882(Top 37%)5882(Top 295%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10247

Males

8214

M50-54

8214

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

10017

Males

8149

M50-54

8149

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10247

Males

8214

M50-54

8214

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

9441

Males

7705

M50-54

7705

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8519

Males

7202

M50-54

7202

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

9108

Males

7400

M50-54

7400

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9271

Males

7294

M50-54

7294

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8611

Males

6790

M50-54

6790

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8563

Males

6571

M50-54

6571

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6580

Males

5446

M50-54

5446

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

7073

Males

5626

M50-54

5626

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6423

Males

5178

M50-54

5178

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5815

Males

4748

M50-54

4748

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6860

Males

5279

M50-54

5279

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7948

Males

5882

M50-54

5882

Passing Analysis

Category:
Athletes Passed
2578
Passed By
833
Net Change
+1745
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10306
5K → 10K313175+138#10306#10168
10K → 15K172185-13#10168#10181
15K → 20K28770+217#10181#9964
20K → Half774+73#9964#9891
Half → 25K24358+185#9891#9706
25K → 30K301138+163#9706#9543
30K → 20M15549+106#9543#9437
20M → 21M12745+82#9437#9355
21M → 35K1586+152#9355#9203
35K → 23M20725+182#9203#9021
23M → 24M18011+169#9021#8852
24M → 40K1936+187#8852#8665
40K → 25.2M679+58#8665#8607
25.2M → Finish9852+46#8607#8561
TOTALS2578833+1745
📊

Passing Visuals

Category:
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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