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BOSTON MARATHON 2025

William Norton

Bib: 27662•M

NJ

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

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
9:30/mi
29:30
↑ 97↓ 3451.5%
10K· 6.21 mi
9:06/mi
57:47
↑ 79↓ 1380.4%
15K· 9.32 mi
10:06/mi
1:29:10
↑ 67↓ 78
20K· 12.43 mi
9:34/mi
1:58:52
↑ 106↓ 860.1%
Half· 13.11 mi
10:02/mi
2:05:43
↑ 19↓ 370.5%
25K· 15.53 mi
9:51/mi
2:29:36
↑ 66↓ 880.2%
30K· 18.64 mi
10:36/mi
3:02:33
↑ 181↓ 1480.2%
20M
10:24/mi
3:16:41
↑ 64↓ 500.2%
21M
10:53/mi
3:27:34
↑ 106↓ 241.6%
35K· 21.75 mi
10:06/mi
3:35:07
↑ 17↓ 861.7%
23M
10:36/mi
3:48:23
↑ 23↓ 630.6%
24M
10:19/mi
3:58:42
↓ 821.3%
40K· 24.85 mi
10:35/mi
4:07:45
↓ 200.3%
25.2M
12:14/mi
4:11:58
↑ 13↓ 160.2%
Finish· 26.22 mi
9:48/mi
4:21:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:43
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:16:14
Pace10:24 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3729:309:3029:30
9:30
-
10K
6.21 mi12:13:5457:479:1828:17
9:06
-0:24
15K
9.32 mi12:45:171:29:109:3431:23
10:06
+1:00
20K
12.43 mi13:14:591:58:529:3429:42
9:34
-0:32
Half
13.11 mi13:21:502:05:439:356:51
10:02
+0:28
25K
15.53 mi13:45:432:29:369:3823:53
9:51
-0:11
30K
18.64 mi14:18:403:02:339:4832:57
10:36
+0:45
20M
20.00 mi14:32:483:16:419:5014:08
10:24
-0:12
21M
21.00 mi14:43:413:27:349:5310:53
10:53
+0:29
35K
21.75 mi14:51:143:35:079:537:33
10:06
-0:47
23M
23.00 mi15:04:303:48:239:5613:16
10:36
+0:30
24M
24.00 mi15:14:493:58:429:5710:19
10:19
-0:17
40K
24.85 mi15:23:524:07:459:589:03
10:35
+0:16
25.2M
25.20 mi15:28:054:11:5810:004:13
12:14
+1:39
Finish
26.22 mi15:38:044:21:5710:009:59
9:48
-2:26

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

9:06 /mi

Average Pace

10:00 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:29

33% of race

Time at Steady Pace

1:44:06

40% of race

Time at Slower Pace

1:10:22

27% of race

Average Pace: 9:59 /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 mi11:45:3729:309:3029:30
9:30
#24227
10K
6.21 mi12:13:5457:479:1828:17
9:06
#23561
15K
9.32 mi12:45:171:29:109:3431:23
10:06
#24220
20K
12.43 mi13:14:591:58:529:3429:42
9:34
#23914
Half
13.11 mi13:21:502:05:439:356:51
10:02
#23971
25K
15.53 mi13:45:432:29:369:3823:53
9:51
#23773
30K
18.64 mi14:18:403:02:339:4832:57
10:36
#23641
20M
20.00 mi14:32:483:16:419:5014:08
10:24
#23528
21M
21.00 mi14:43:413:27:349:5310:53
10:53
#23385
35K
21.75 mi14:51:143:35:079:537:33
10:06
#23335
23M
23.00 mi15:04:303:48:239:5613:16
10:36
#23275
24M
24.00 mi15:14:493:58:429:5710:19
10:19
#23224
40K
24.85 mi15:23:524:07:459:589:03
10:35
#23172
25.2M
25.20 mi15:28:054:11:5810:004:13
12:14
#23179
Finish
26.22 mi15:38:044:21:5710:009:59
9:48
#23156
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24227143511435125204(Top 89%)14799(Top 92%)14799(Top 262%)
10K6.21 mi3.10 mi23561+66614038+31314038+31322829(Top 80%)13734(Top 85%)13734(Top 243%)
15K9.32 mi3.11 mi24220-65914356-31814356-31825204(Top 89%)14799(Top 92%)14799(Top 262%)
20K12.43 mi3.11 mi23914+30614207+14914207+14923085(Top 81%)13824(Top 86%)13824(Top 245%)
Half13.11 mi0.68 mi23971-5714228-2114228-2124887(Top 88%)14606(Top 91%)14606(Top 259%)
25K15.53 mi2.42 mi23773+19814142+8614142+8622896(Top 81%)13697(Top 85%)13697(Top 243%)
30K18.64 mi3.11 mi23641+13214045+9714045+9723177(Top 82%)13691(Top 85%)13691(Top 243%)
20M20.00 mi1.36 mi23528+11313973+7213973+7222152(Top 78%)13112(Top 81%)13112(Top 232%)
21M21.00 mi1.00 mi23385+14313889+8413889+8421076(Top 74%)12540(Top 78%)12540(Top 222%)
35K21.75 mi0.75 mi23335+5013855+3413855+3422149(Top 78%)12986(Top 81%)12986(Top 230%)
23M23.00 mi1.25 mi23275+6013799+5613799+5622254(Top 78%)12997(Top 81%)12997(Top 230%)
24M24.00 mi1.00 mi23224+5113755+4413755+4422293(Top 78%)12952(Top 80%)12952(Top 230%)
40K24.85 mi0.85 mi23172+5213710+4513710+4522147(Top 78%)12815(Top 80%)12815(Top 227%)
25.2M25.20 mi0.35 mi23179-713712-213712-223647(Top 83%)13587(Top 84%)13587(Top 241%)
Finish26.22 mi1.02 mi23156+2313684+2813684+2822266(Top 78%)12906(Top 80%)12906(Top 229%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25204

Males

14799

M18-39

14799

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22829

Males

13734

M18-39

13734

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25204

Males

14799

M18-39

14799

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

23085

Males

13824

M18-39

13824

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

24887

Males

14606

M18-39

14606

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

22896

Males

13697

M18-39

13697

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23177

Males

13691

M18-39

13691

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22152

Males

13112

M18-39

13112

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

21076

Males

12540

M18-39

12540

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22149

Males

12986

M18-39

12986

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22254

Males

12997

M18-39

12997

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22293

Males

12952

M18-39

12952

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22147

Males

12815

M18-39

12815

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23647

Males

13587

M18-39

13587

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22266

Males

12906

M18-39

12906

Passing Analysis

Category:
Athletes Passed
2192
Passed By
1121
Net Change
+1071
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24227
5K → 10K70943+666#24227#23561
10K → 15K37696-659#23561#24220
15K → 20K32519+306#24220#23914
20K → Half966-57#23914#23971
Half → 25K22729+198#23971#23773
25K → 30K21987+132#23773#23641
30K → 20M13522+113#23641#23528
20M → 21M15815+143#23528#23385
21M → 35K6818+50#23385#23335
35K → 23M9232+60#23335#23275
23M → 24M7423+51#23275#23224
24M → 40K6917+52#23224#23172
40K → 25.2M1825-7#23172#23179
25.2M → Finish5229+23#23179#23156
TOTALS21921121+1071
📊

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