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BOSTON MARATHON 2025

Shaun Dever

Bib: 3119•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:17
Rank: #1898
Start → 5K
19:17 | 6:12/mi
10K· 6.21 mi
38:22
Rank: #1749 (+149)
5K → 10K
19:05 | 6:09/mi
15K· 9.32 mi
57:20
Rank: #1615 (+134)
10K → 15K
18:58 | 6:06/mi
20K· 12.43 mi
1:16:27
Rank: #1535 (+80)
15K → 20K
19:07 | 6:09/mi
Half· 13.11 mi
1:20:36
Rank: #1527 (+8)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:35:30
Rank: #1462 (+65)
Half → 25K
14:54 | 6:09/mi
30K· 18.64 mi
1:55:16
Rank: #1417 (+45)
25K → 30K
19:46 | 6:22/mi
20M
2:04:16
Rank: #1440 (-23)
30K → 20M
9:00 | 6:37/mi
21M
2:11:15
Rank: #1455 (-15)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:15:56
Rank: #1425 (+30)
21M → 35K
4:41 | 6:16/mi
23M
2:24:25
Rank: #1469 (-44)
35K → 23M
8:29 | 6:47/mi
24M
2:30:58
Rank: #1467 (+2)
23M → 24M
6:33 | 6:33/mi
40K· 24.85 mi
2:36:42
Rank: #1473 (-6)
24M → 40K
5:44 | 6:42/mi
25.2M
2:39:08
Rank: #1471 (+2)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:45:47
Rank: #1498 (-27)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:36
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:25:11
Pace6:30 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3819:176:1219:17
6:12
-
10K
6.21 mi10:39:4338:226:1019:05
6:09
-0:03
15K
9.32 mi10:58:4157:206:0918:58
6:06
-0:03
20K
12.43 mi11:17:481:16:276:0919:07
6:09
+0:03
Half
13.11 mi11:21:571:20:366:094:09
6:05
-0:04
25K
15.53 mi11:36:511:35:306:0914:54
6:09
+0:04
30K
18.64 mi11:56:371:55:166:1119:46
6:22
+0:13
20M
20.00 mi12:05:372:04:166:139:00
6:37
+0:15
21M
21.00 mi12:12:362:11:156:156:59
6:59
+0:22
35K
21.75 mi12:17:172:15:566:154:41
6:16
-0:43
23M
23.00 mi12:25:462:24:256:178:29
6:47
+0:31
24M
24.00 mi12:32:192:30:586:176:33
6:33
-0:14
40K
24.85 mi12:38:032:36:426:185:44
6:42
+0:09
25.2M
25.20 mi12:40:292:39:086:192:26
7:03
+0:21
Finish
26.22 mi12:47:082:45:476:206:39
6:32
-0:31

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

6:05 /mi

Average Pace

6:20 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:09

86% of race

Time at Steady Pace

23:38

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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 mi10:20:3819:176:1219:17
6:12
#1898
10K
6.21 mi10:39:4338:226:1019:05
6:09
#1749
15K
9.32 mi10:58:4157:206:0918:58
6:06
#1615
20K
12.43 mi11:17:481:16:276:0919:07
6:09
#1535
Half
13.11 mi11:21:571:20:366:094:09
6:05
#1527
25K
15.53 mi11:36:511:35:306:0914:54
6:09
#1462
30K
18.64 mi11:56:371:55:166:1119:46
6:22
#1417
20M
20.00 mi12:05:372:04:166:139:00
6:37
#1440
21M
21.00 mi12:12:362:11:156:156:59
6:59
#1455
35K
21.75 mi12:17:172:15:566:154:41
6:16
#1425
23M
23.00 mi12:25:462:24:256:178:29
6:47
#1469
24M
24.00 mi12:32:192:30:586:176:33
6:33
#1467
40K
24.85 mi12:38:032:36:426:185:44
6:42
#1473
25.2M
25.20 mi12:40:292:39:086:192:26
7:03
#1471
Finish
26.22 mi12:47:082:45:476:206:39
6:32
#1498
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1898180418041403(Top 5%)1335(Top 8%)1335(Top 24%)
10K6.21 mi3.10 mi1749+1491662+1421662+1421643(Top 6%)1564(Top 10%)1564(Top 28%)
15K9.32 mi3.11 mi1615+1341537+1251537+1251403(Top 5%)1335(Top 8%)1335(Top 24%)
20K12.43 mi3.11 mi1535+801457+801457+801382(Top 5%)1309(Top 8%)1309(Top 23%)
Half13.11 mi0.68 mi1527+81451+61451+61476(Top 5%)1404(Top 9%)1404(Top 25%)
25K15.53 mi2.42 mi1462+651387+641387+641269(Top 4%)1202(Top 7%)1202(Top 21%)
30K18.64 mi3.11 mi1417+451341+461341+461412(Top 5%)1335(Top 8%)1335(Top 24%)
20M20.00 mi1.36 mi1440-231360-191360-192096(Top 7%)1983(Top 12%)1983(Top 35%)
21M21.00 mi1.00 mi1455-151375-151375-152172(Top 8%)2028(Top 13%)2028(Top 36%)
35K21.75 mi0.75 mi1425+301347+281347+281446(Top 5%)1370(Top 9%)1370(Top 24%)
23M23.00 mi1.25 mi1469-441388-411388-412561(Top 9%)2364(Top 15%)2364(Top 42%)
24M24.00 mi1.00 mi1467+21387+11387+12231(Top 8%)2063(Top 13%)2063(Top 37%)
40K24.85 mi0.85 mi1473-61391-41391-42356(Top 8%)2153(Top 13%)2153(Top 38%)
25.2M25.20 mi0.35 mi1471+21388+31388+31624(Top 6%)1481(Top 9%)1481(Top 26%)
Finish26.22 mi1.02 mi1498-271415-271415-272921(Top 10%)2602(Top 16%)2602(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1403

Males

1335

M18-39

1335

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1643

Males

1564

M18-39

1564

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1403

Males

1335

M18-39

1335

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1382

Males

1309

M18-39

1309

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1476

Males

1404

M18-39

1404

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1269

Males

1202

M18-39

1202

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1412

Males

1335

M18-39

1335

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2096

Males

1983

M18-39

1983

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2172

Males

2028

M18-39

2028

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1446

Males

1370

M18-39

1370

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2561

Males

2364

M18-39

2364

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2231

Males

2063

M18-39

2063

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2356

Males

2153

M18-39

2153

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1624

Males

1481

M18-39

1481

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2921

Males

2602

M18-39

2602

Passing Analysis

Category:
Athletes Passed
787
Passed By
387
Net Change
+400
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1898
5K → 10K18536+149#1898#1749
10K → 15K14713+134#1749#1615
15K → 20K9212+80#1615#1535
20K → Half168+8#1535#1527
Half → 25K7611+65#1527#1462
25K → 30K7934+45#1462#1417
30K → 20M2649-23#1417#1440
20M → 21M2439-15#1440#1455
21M → 35K399+30#1455#1425
35K → 23M2266-44#1425#1469
23M → 24M3230+2#1469#1467
24M → 40K2026-6#1467#1473
40K → 25.2M108+2#1473#1471
25.2M → Finish1946-27#1471#1498
TOTALS787387+400
📊

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