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BOSTON MARATHON 2025

John Dyar

Bib: 778•M

VA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 38%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:45
Rank: #456
Start → 5K
17:45 | 5:43/mi
10K· 6.21 mi
35:39
Rank: #505 (-49)
5K → 10K
17:54 | 5:46/mi
15K· 9.32 mi
54:22
Rank: #629 (-124)
10K → 15K
18:43 | 6:01/mi
20K· 12.43 mi
1:14:29
Rank: #977 (-348)
15K → 20K
20:07 | 6:28/mi
Half· 13.11 mi
1:18:53
Rank: #1043 (-66)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:36:00
Rank: #1601 (-558)
Half → 25K
17:07 | 7:04/mi
30K· 18.64 mi
2:00:46
Rank: #2911 (-1310)
25K → 30K
24:46 | 7:58/mi
20M
2:13:23
Rank: #3906 (-995)
30K → 20M
12:37 | 9:17/mi
21M
2:24:49
Rank: #5403 (-1497)
20M → 21M
11:26 | 11:26/mi
35K· 21.75 mi
2:33:14
Rank: #6289 (-886)
21M → 35K
8:25 | 11:15/mi
23M
2:51:08
Rank: #8986 (-2697)
35K → 23M
17:54 | 14:18/mi
24M
3:00:00
Rank: #9374 (-388)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:08:52
Rank: #10065 (-691)
24M → 40K
8:52 | 10:22/mi
25.2M
3:12:37
Rank: #10303 (-238)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
3:22:19
Rank: #10833 (-530)
25.2M → Finish
9:42 | 9:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:53
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time2:03:26
Pace9:25 /mi
📊Positive Split: 56.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5317:455:4317:45
5:43
-
10K
6.21 mi10:35:4735:395:4417:54
5:46
+0:03
15K
9.32 mi10:54:3054:225:5018:43
6:01
+0:15
20K
12.43 mi11:14:371:14:296:0020:07
6:28
+0:27
Half
13.11 mi11:19:011:18:536:014:24
6:27
-0:01
25K
15.53 mi11:36:081:36:006:1117:07
7:04
+0:37
30K
18.64 mi12:00:542:00:466:2924:46
7:58
+0:54
20M
20.00 mi12:13:312:13:236:4012:37
9:17
+1:19
21M
21.00 mi12:24:572:24:496:5411:26
11:26
+2:09
35K
21.75 mi12:33:222:33:147:038:25
11:15
-0:11
23M
23.00 mi12:51:162:51:087:2617:54
14:18
+3:03
24M
24.00 mi13:00:083:00:007:308:52
8:52
-5:26
40K
24.85 mi13:09:003:08:527:368:52
10:22
+1:30
25.2M
25.20 mi13:12:453:12:377:393:45
10:52
+0:30
Finish
26.22 mi13:22:273:22:197:439:42
9:31
-1:21

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

5:43 /mi

Average Pace

7:43 /mi

Slowest Pace

14:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:00

47% of race

Time at Steady Pace

55:57

28% of race

Time at Slower Pace

50:22

25% of race

Average Pace: 7:43 /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 mi10:17:5317:455:4317:45
5:43
#456
10K
6.21 mi10:35:4735:395:4417:54
5:46
#505
15K
9.32 mi10:54:3054:225:5018:43
6:01
#629
20K
12.43 mi11:14:371:14:296:0020:07
6:28
#977
Half
13.11 mi11:19:011:18:536:014:24
6:27
#1043
25K
15.53 mi11:36:081:36:006:1117:07
7:04
#1601
30K
18.64 mi12:00:542:00:466:2924:46
7:58
#2911
20M
20.00 mi12:13:312:13:236:4012:37
9:17
#3906
21M
21.00 mi12:24:572:24:496:5411:26
11:26
#5403
35K
21.75 mi12:33:222:33:147:038:25
11:15
#6289
23M
23.00 mi12:51:162:51:087:2617:54
14:18
#8986
24M
24.00 mi13:00:083:00:007:308:52
8:52
#9374
40K
24.85 mi13:09:003:08:527:368:52
10:22
#10065
25.2M
25.20 mi13:12:453:12:377:393:45
10:52
#10303
Finish
26.22 mi13:22:273:22:197:439:42
9:31
#10833
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4564184181118(Top 4%)1059(Top 7%)1059(Top 19%)
10K6.21 mi3.10 mi505-49467-49467-49545(Top 2%)507(Top 3%)507(Top 9%)
15K9.32 mi3.11 mi629-124584-117584-1171118(Top 4%)1059(Top 7%)1059(Top 19%)
20K12.43 mi3.11 mi977-348920-336920-3362987(Top 11%)2844(Top 18%)2844(Top 50%)
Half13.11 mi0.68 mi1043-66983-63983-633429(Top 12%)3255(Top 20%)3255(Top 58%)
25K15.53 mi2.42 mi1601-5581518-5351518-5356713(Top 24%)5914(Top 37%)5914(Top 105%)
30K18.64 mi3.11 mi2911-13102772-12542772-125411172(Top 39%)8269(Top 51%)8269(Top 147%)
20M20.00 mi1.36 mi3906-9953669-8973669-89718200(Top 64%)11315(Top 70%)11315(Top 201%)
21M21.00 mi1.00 mi5403-14974936-12674936-126722453(Top 79%)13173(Top 82%)13173(Top 233%)
35K21.75 mi0.75 mi6289-8865625-6895625-68924683(Top 87%)14200(Top 88%)14200(Top 252%)
23M23.00 mi1.25 mi8986-26977329-17047329-170427536(Top 97%)15595(Top 97%)15595(Top 276%)
24M24.00 mi1.00 mi9374-3887515-1867515-18616640(Top 59%)10305(Top 64%)10305(Top 183%)
40K24.85 mi0.85 mi10065-6917834-3197834-31921559(Top 76%)12538(Top 78%)12538(Top 222%)
25.2M25.20 mi0.35 mi10303-2387931-977931-9720202(Top 71%)11871(Top 74%)11871(Top 210%)
Finish26.22 mi1.02 mi10833-5308157-2268157-22621227(Top 75%)12395(Top 77%)12395(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1118

Males

1059

M18-39

1059

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

545

Males

507

M18-39

507

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1118

Males

1059

M18-39

1059

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2987

Males

2844

M18-39

2844

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3429

Males

3255

M18-39

3255

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6713

Males

5914

M18-39

5914

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11172

Males

8269

M18-39

8269

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18200

Males

11315

M18-39

11315

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

22453

Males

13173

M18-39

13173

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

24683

Males

14200

M18-39

14200

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

27536

Males

15595

M18-39

15595

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16640

Males

10305

M18-39

10305

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21559

Males

12538

M18-39

12538

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20202

Males

11871

M18-39

11871

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21227

Males

12395

M18-39

12395

Passing Analysis

Category:
Athletes Passed
58
Passed By
10433
Net Change
-10377
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#456
5K → 10K1160-49#456#505
10K → 15K2126-124#505#629
15K → 20K3351-348#629#977
20K → Half066-66#977#1043
Half → 25K2560-558#1043#1601
25K → 30K01310-1310#1601#2911
30K → 20M3998-995#2911#3906
20M → 21M21499-1497#3906#5403
21M → 35K2888-886#5403#6289
35K → 23M32700-2697#6289#8986
23M → 24M17405-388#8986#9374
24M → 40K5694-691#9374#10065
40K → 25.2M3241-238#10065#10303
25.2M → Finish5535-530#10303#10833
TOTALS5810433-10377
📊

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