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BOSTON MARATHON 2025

Dan Dever

Bib: 17528•M

AZ

Masters
Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 48%
Masters (Masters Men)
#0 / 10463
Top 37%
Age Group (M55-59)
#0 / 1648
Top 19%
Race Day Weather
50°/40°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
22:51
Rank: #10883
Start → 5K
22:51 | 7:21/mi
10K· 6.21 mi
45:52
Rank: #11062 (-179)
5K → 10K
23:01 | 7:25/mi
15K· 9.32 mi
1:09:02
Rank: #11124 (-62)
10K → 15K
23:10 | 7:27/mi
20K· 12.43 mi
1:32:34
Rank: #11210 (-86)
15K → 20K
23:32 | 7:34/mi
Half· 13.11 mi
1:37:38
Rank: #11203 (+7)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:55:57
Rank: #11018 (+185)
Half → 25K
18:19 | 7:33/mi
30K· 18.64 mi
2:20:24
Rank: #10880 (+138)
25K → 30K
24:27 | 7:52/mi
20M
2:31:27
Rank: #10876 (+4)
30K → 20M
11:03 | 8:08/mi
21M
2:39:53
Rank: #10772 (+104)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:45:28
Rank: #10671 (+101)
21M → 35K
5:35 | 7:28/mi
23M
2:55:15
Rank: #10504 (+167)
35K → 23M
9:47 | 7:49/mi
24M
3:02:42
Rank: #10331 (+173)
23M → 24M
7:27 | 7:27/mi
40K· 24.85 mi
3:09:21
Rank: #10216 (+115)
24M → 40K
6:39 | 7:47/mi
25.2M
3:12:10
Rank: #10146 (+70)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:19:22
Rank: #9954 (+192)
25.2M → Finish
7:12 | 7:04/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:37:38
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:41:44
Pace7:46 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:5922:517:2122:51
7:21
-
10K
6.21 mi11:36:0045:527:2323:01
7:25
+0:04
15K
9.32 mi11:59:101:09:027:2423:10
7:27
+0:02
20K
12.43 mi12:22:421:32:347:2723:32
7:34
+0:07
Half
13.11 mi12:27:461:37:387:275:04
7:26
-0:08
25K
15.53 mi12:46:051:55:577:2818:19
7:33
+0:07
30K
18.64 mi13:10:322:20:247:3224:27
7:52
+0:19
20M
20.00 mi13:21:352:31:277:3411:03
8:08
+0:16
21M
21.00 mi13:30:012:39:537:378:26
8:26
+0:18
35K
21.75 mi13:35:362:45:287:375:35
7:28
-0:58
23M
23.00 mi13:45:232:55:157:379:47
7:49
+0:21
24M
24.00 mi13:52:503:02:427:377:27
7:27
-0:22
40K
24.85 mi13:59:293:09:217:376:39
7:47
+0:20
25.2M
25.20 mi14:02:183:12:107:382:49
8:10
+0:23
Finish
26.22 mi14:09:303:19:227:377:12
7:04
-1:06

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:04 /mi

Average Pace

7:37 /mi

Slowest Pace

8:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:16:11

68% of race

Time at Steady Pace

54:45

27% of race

Time at Slower Pace

8:26

4% of race

Average Pace: 7:36 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:12:5922:517:2122:51
7:21
#10883
10K
6.21 mi11:36:0045:527:2323:01
7:25
#11062
15K
9.32 mi11:59:101:09:027:2423:10
7:27
#11124
20K
12.43 mi12:22:421:32:347:2723:32
7:34
#11210
Half
13.11 mi12:27:461:37:387:275:04
7:26
#11203
25K
15.53 mi12:46:051:55:577:2818:19
7:33
#11018
30K
18.64 mi13:10:322:20:247:3224:27
7:52
#10880
20M
20.00 mi13:21:352:31:277:3411:03
8:08
#10876
21M
21.00 mi13:30:012:39:537:378:26
8:26
#10772
35K
21.75 mi13:35:362:45:287:375:35
7:28
#10671
23M
23.00 mi13:45:232:55:157:379:47
7:49
#10504
24M
24.00 mi13:52:503:02:427:377:27
7:27
#10331
40K
24.85 mi13:59:293:09:217:376:39
7:47
#10216
25.2M
25.20 mi14:02:183:12:107:382:49
8:10
#10146
Finish
26.22 mi14:09:303:19:227:377:12
7:04
#9954
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi108838635863511375(Top 40%)8774(Top 54%)8774(Top 532%)
10K6.21 mi3.10 mi11062-1798705-708705-7011244(Top 40%)8772(Top 54%)8772(Top 532%)
15K9.32 mi3.11 mi11124-628713-88713-811375(Top 40%)8774(Top 54%)8774(Top 532%)
20K12.43 mi3.11 mi11210-868725-128725-1211368(Top 40%)8670(Top 54%)8670(Top 526%)
Half13.11 mi0.68 mi11203+78716+98716+911032(Top 39%)8548(Top 53%)8548(Top 519%)
25K15.53 mi2.42 mi11018+1858589+1278589+12710382(Top 37%)8074(Top 50%)8074(Top 490%)
30K18.64 mi3.11 mi10880+1388450+1398450+13910410(Top 37%)7887(Top 49%)7887(Top 479%)
20M20.00 mi1.36 mi10876+48400+508400+5011299(Top 40%)8178(Top 51%)8178(Top 496%)
21M21.00 mi1.00 mi10772+1048312+888312+8810033(Top 35%)7384(Top 46%)7384(Top 448%)
35K21.75 mi0.75 mi10671+1018248+648248+648361(Top 29%)6525(Top 41%)6525(Top 396%)
23M23.00 mi1.25 mi10504+1678124+1248124+1248677(Top 31%)6543(Top 41%)6543(Top 397%)
24M24.00 mi1.00 mi10331+1738000+1248000+1247356(Top 26%)5743(Top 36%)5743(Top 348%)
40K24.85 mi0.85 mi10216+1157907+937907+938603(Top 30%)6310(Top 39%)6310(Top 383%)
25.2M25.20 mi0.35 mi10146+707853+547853+546869(Top 24%)5288(Top 33%)5288(Top 321%)
Finish26.22 mi1.02 mi9954+1927731+1227731+1226169(Top 22%)4845(Top 30%)4845(Top 294%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11375

Males

8774

M55-59

8774

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11244

Males

8772

M55-59

8772

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11375

Males

8774

M55-59

8774

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11368

Males

8670

M55-59

8670

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11032

Males

8548

M55-59

8548

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10382

Males

8074

M55-59

8074

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10410

Males

7887

M55-59

7887

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11299

Males

8178

M55-59

8178

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

10033

Males

7384

M55-59

7384

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

8361

Males

6525

M55-59

6525

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8677

Males

6543

M55-59

6543

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7356

Males

5743

M55-59

5743

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8603

Males

6310

M55-59

6310

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6869

Males

5288

M55-59

5288

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6169

Males

4845

M55-59

4845

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2247*
Passed By
1318
Net Change
+929
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10883
5K → 10K189368-179#10883#11062
10K → 15K154216-62#11062#11124
15K → 20K149235-86#11124#11210
20K → Half3932+7#11210#11203
Half → 25K24661+185#11203#11018
25K → 30K297159+138#11018#10880
30K → 20M115111+4#10880#10876
20M → 21M15147+104#10876#10772
21M → 35K11615+101#10772#10671
35K → 23M19225+167#10671#10504
23M → 24M19219+173#10504#10331
24M → 40K13318+115#10331#10216
40K → 25.2M733+70#10216#10146
25.2M → Finish201*9+192#10146#9954
TOTALS2247*1318+929

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing