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BOSTON MARATHON 2025

Dan Prettejohn

Bib: 31160•M

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
7:14/mi
22:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:12/mi
44:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:19/mi
1:07:34
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:30:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:36:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
1:55:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:18/mi
2:21:21
↑ 181↓ 1480.2%
20M
8:52/mi
2:33:24
↑ 64↓ 500.2%
21M
9:47/mi
2:43:11
↑ 106↓ 241.6%
35K· 21.75 mi
9:21/mi
2:50:11
↑ 17↓ 861.7%
23M
10:05/mi
3:02:49
↑ 23↓ 630.6%
24M
11:28/mi
3:14:17
↓ 821.3%
40K· 24.85 mi
11:20/mi
3:23:58
↓ 200.3%
25.2M
11:48/mi
3:28:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:17/mi
3:36:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:03
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time2:00:25
Pace9:11 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4922:297:1422:29
7:14
-
10K
6.21 mi12:06:1044:507:1322:21
7:12
-0:02
15K
9.32 mi12:28:541:07:347:1522:44
7:19
+0:07
20K
12.43 mi12:52:171:30:577:1923:23
7:32
+0:13
Half
13.11 mi12:57:231:36:037:205:06
7:29
-0:03
25K
15.53 mi13:16:531:55:337:2619:30
8:03
+0:34
30K
18.64 mi13:42:412:21:217:3525:48
8:18
+0:15
20M
20.00 mi13:54:442:33:247:4012:03
8:52
+0:34
21M
21.00 mi14:04:312:43:117:469:47
9:47
+0:55
35K
21.75 mi14:11:312:50:117:507:00
9:21
-0:26
23M
23.00 mi14:24:093:02:497:5712:38
10:05
+0:44
24M
24.00 mi14:35:373:14:178:0611:28
11:28
+1:23
40K
24.85 mi14:45:183:23:588:129:41
11:20
-0:08
25.2M
25.20 mi14:49:223:28:028:154:04
11:48
+0:28
Finish
26.22 mi14:57:483:36:288:168:26
8:17
-3:31

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

7:12 /mi

Average Pace

8:16 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:40

34% of race

Time at Steady Pace

1:29:10

41% of race

Time at Slower Pace

54:38

25% of race

Average Pace: 8:15 /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 mi11:43:4922:297:1422:29
7:14
#9789
10K
6.21 mi12:06:1044:507:1322:21
7:12
#9585
15K
9.32 mi12:28:541:07:347:1522:44
7:19
#9740
20K
12.43 mi12:52:171:30:577:1923:23
7:32
#10029
Half
13.11 mi12:57:231:36:037:205:06
7:29
#10112
25K
15.53 mi13:16:531:55:337:2619:30
8:03
#10788
30K
18.64 mi13:42:412:21:217:3525:48
8:18
#11297
20M
20.00 mi13:54:442:33:247:4012:03
8:52
#11637
21M
21.00 mi14:04:312:43:117:469:47
9:47
#12068
35K
21.75 mi14:11:312:50:117:507:00
9:21
#12419
23M
23.00 mi14:24:093:02:497:5712:38
10:05
#13140
24M
24.00 mi14:35:373:14:178:0611:28
11:28
#14162
40K
24.85 mi14:45:183:23:588:129:41
11:20
#14790
25.2M
25.20 mi14:49:223:28:028:154:04
11:48
#14988
Finish
26.22 mi14:57:483:36:288:168:26
8:17
#14958
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi97898062806210125(Top 36%)8157(Top 51%)8157(Top 145%)
10K6.21 mi3.10 mi9585+2047957+1057957+1059436(Top 33%)7843(Top 49%)7843(Top 139%)
15K9.32 mi3.11 mi9740-1558003-468003-4610125(Top 36%)8157(Top 51%)8157(Top 145%)
20K12.43 mi3.11 mi10029-2898120-1178120-11710993(Top 39%)8497(Top 53%)8497(Top 151%)
Half13.11 mi0.68 mi10112-838164-448164-4411490(Top 40%)8800(Top 55%)8800(Top 156%)
25K15.53 mi2.42 mi10788-6768481-3178481-31714217(Top 50%)9861(Top 61%)9861(Top 175%)
30K18.64 mi3.11 mi11297-5098648-1678648-16713539(Top 48%)9388(Top 58%)9388(Top 166%)
20M20.00 mi1.36 mi11637-3408766-1188766-11816022(Top 56%)10372(Top 64%)10372(Top 184%)
21M21.00 mi1.00 mi12068-4318933-1678933-16717380(Top 61%)10864(Top 67%)10864(Top 193%)
35K21.75 mi0.75 mi12419-3519068-1359068-13519763(Top 70%)11847(Top 74%)11847(Top 210%)
23M23.00 mi1.25 mi13140-7219354-2869354-28620762(Top 73%)12271(Top 76%)12271(Top 217%)
24M24.00 mi1.00 mi14162-10229779-4259779-42524833(Top 87%)14216(Top 88%)14216(Top 252%)
40K24.85 mi0.85 mi14790-62810034-25510034-25523802(Top 84%)13662(Top 85%)13662(Top 242%)
25.2M25.20 mi0.35 mi14988-19810100-6610100-6622727(Top 80%)13130(Top 82%)13130(Top 233%)
Finish26.22 mi1.02 mi14958+3010066+3410066+3414747(Top 52%)9367(Top 58%)9367(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10125

Males

8157

M18-39

8157

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

9436

Males

7843

M18-39

7843

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10125

Males

8157

M18-39

8157

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10993

Males

8497

M18-39

8497

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

11490

Males

8800

M18-39

8800

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14217

Males

9861

M18-39

9861

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13539

Males

9388

M18-39

9388

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

16022

Males

10372

M18-39

10372

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

17380

Males

10864

M18-39

10864

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

19763

Males

11847

M18-39

11847

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20762

Males

12271

M18-39

12271

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24833

Males

14216

M18-39

14216

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23802

Males

13662

M18-39

13662

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22727

Males

13130

M18-39

13130

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14747

Males

9367

M18-39

9367

Passing Analysis

Category:
Athletes Passed
971
Passed By
6136
Net Change
-5169
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9789
5K → 10K342137+204#9789#9585
10K → 15K122276-155#9585#9740
15K → 20K103390-289#9740#10029
20K → Half1699-83#10029#10112
Half → 25K49725-676#10112#10788
25K → 30K110619-509#10788#11297
30K → 20M58398-340#11297#11637
20M → 21M25456-431#11637#12068
21M → 35K18369-351#12068#12419
35K → 23M21742-721#12419#13140
23M → 24M51027-1022#13140#14162
24M → 40K9637-628#14162#14790
40K → 25.2M9207-198#14790#14988
25.2M → Finish8454+30#14988#14958
TOTALS9716136-5169
📊

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