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BOSTON MARATHON 2025

Jamie Dahill

Bib: 30572•M

MA

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
9:45/mi
30:19
↑ 97↓ 3451.5%
10K· 6.21 mi
9:48/mi
1:00:46
↑ 79↓ 1380.4%
15K· 9.32 mi
9:28/mi
1:30:11
↑ 67↓ 78
20K· 12.43 mi
9:43/mi
2:00:22
↑ 106↓ 860.1%
Half· 13.11 mi
9:29/mi
2:06:50
↑ 19↓ 370.5%
25K· 15.53 mi
10:03/mi
2:31:13
↑ 66↓ 880.2%
30K· 18.64 mi
10:27/mi
3:03:41
↑ 181↓ 1480.2%
20M
10:31/mi
3:17:58
↑ 64↓ 500.2%
21M
11:11/mi
3:29:09
↑ 106↓ 241.6%
35K· 21.75 mi
10:24/mi
3:36:56
↑ 17↓ 861.7%
23M
11:18/mi
3:51:05
↑ 23↓ 630.6%
24M
10:41/mi
4:01:46
↓ 821.3%
40K· 24.85 mi
10:39/mi
4:10:52
↓ 200.3%
25.2M
11:07/mi
4:14:42
↑ 13↓ 160.2%
Finish· 26.22 mi
11:09/mi
4:26:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:50
Pace9:40 /mi
2nd Half
Distance13.11 mi
Time2:19:14
Pace10:37 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4430:199:4530:19
9:45
-
10K
6.21 mi12:22:111:00:469:4730:27
9:48
+0:03
15K
9.32 mi12:51:361:30:119:4129:25
9:28
-0:20
20K
12.43 mi13:21:472:00:229:4130:11
9:43
+0:15
Half
13.11 mi13:28:152:06:509:406:28
9:29
-0:14
25K
15.53 mi13:52:382:31:139:4424:23
10:03
+0:34
30K
18.64 mi14:25:063:03:419:5132:28
10:27
+0:24
20M
20.00 mi14:39:233:17:589:5414:17
10:31
+0:04
21M
21.00 mi14:50:343:29:099:5811:11
11:11
+0:40
35K
21.75 mi14:58:213:36:569:587:47
10:24
-0:47
23M
23.00 mi15:12:303:51:0510:0314:09
11:18
+0:54
24M
24.00 mi15:23:114:01:4610:0410:41
10:41
-0:37
40K
24.85 mi15:32:174:10:5210:069:06
10:39
-0:02
25.2M
25.20 mi15:36:074:14:4210:063:50
11:07
+0:28
Finish
26.22 mi15:47:294:26:0410:0911:22
11:09
+0:02

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

9:28 /mi

Average Pace

10:09 /mi

Slowest Pace

11:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:00

60% of race

Time at Steady Pace

1:21:44

31% of race

Time at Slower Pace

25:20

10% of race

Average Pace: 10:09 /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 mi11:51:4430:199:4530:19
9:45
#24988
10K
6.21 mi12:22:111:00:469:4730:27
9:48
#24922
15K
9.32 mi12:51:361:30:119:4129:25
9:28
#24518
20K
12.43 mi13:21:472:00:229:4130:11
9:43
#24267
Half
13.11 mi13:28:152:06:509:406:28
9:29
#24237
25K
15.53 mi13:52:382:31:139:4424:23
10:03
#24062
30K
18.64 mi14:25:063:03:419:5132:28
10:27
#23829
20M
20.00 mi14:39:233:17:589:5414:17
10:31
#23723
21M
21.00 mi14:50:343:29:099:5811:11
11:11
#23611
35K
21.75 mi14:58:213:36:569:587:47
10:24
#23585
23M
23.00 mi15:12:303:51:0510:0314:09
11:18
#23604
24M
24.00 mi15:23:114:01:4610:0410:41
10:41
#23588
40K
24.85 mi15:32:174:10:5210:069:06
10:39
#23547
25.2M
25.20 mi15:36:074:14:4210:063:50
11:07
#23508
Finish
26.22 mi15:47:294:26:0410:0911:22
11:09
#23606
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24988147211472123643(Top 83%)14119(Top 88%)14119(Top 250%)
10K6.21 mi3.10 mi24922+6614671+5014671+5024847(Top 87%)14632(Top 91%)14632(Top 259%)
15K9.32 mi3.11 mi24518+40414489+18214489+18223643(Top 83%)14119(Top 88%)14119(Top 250%)
20K12.43 mi3.11 mi24267+25114362+12714362+12723525(Top 83%)14027(Top 87%)14027(Top 249%)
Half13.11 mi0.68 mi24237+3014346+1614346+1623497(Top 83%)14006(Top 87%)14006(Top 248%)
25K15.53 mi2.42 mi24062+17514256+9014256+9023397(Top 82%)13916(Top 86%)13916(Top 247%)
30K18.64 mi3.11 mi23829+23314125+13114125+13122820(Top 80%)13538(Top 84%)13538(Top 240%)
20M20.00 mi1.36 mi23723+10614051+7414051+7422450(Top 79%)13262(Top 82%)13262(Top 235%)
21M21.00 mi1.00 mi23611+11213991+6013991+6021859(Top 77%)12912(Top 80%)12912(Top 229%)
35K21.75 mi0.75 mi23585+2613965+2613965+2622956(Top 81%)13367(Top 83%)13367(Top 237%)
23M23.00 mi1.25 mi23604-1913960+513960+523880(Top 84%)13779(Top 86%)13779(Top 244%)
24M24.00 mi1.00 mi23588+1613930+3013930+3023275(Top 82%)13446(Top 83%)13446(Top 238%)
40K24.85 mi0.85 mi23547+4113899+3113899+3122294(Top 78%)12884(Top 80%)12884(Top 228%)
25.2M25.20 mi0.35 mi23508+3913868+3113868+3120989(Top 74%)12297(Top 76%)12297(Top 218%)
Finish26.22 mi1.02 mi23606-9813900-3213900-3225637(Top 90%)14593(Top 91%)14593(Top 259%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23643

Males

14119

M18-39

14119

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24847

Males

14632

M18-39

14632

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23643

Males

14119

M18-39

14119

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23525

Males

14027

M18-39

14027

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23497

Males

14006

M18-39

14006

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23397

Males

13916

M18-39

13916

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22820

Males

13538

M18-39

13538

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22450

Males

13262

M18-39

13262

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21859

Males

12912

M18-39

12912

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

22956

Males

13367

M18-39

13367

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23880

Males

13779

M18-39

13779

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23275

Males

13446

M18-39

13446

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22294

Males

12884

M18-39

12884

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

20989

Males

12297

M18-39

12297

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

25637

Males

14593

M18-39

14593

Passing Analysis

Category:
Athletes Passed
2021
Passed By
639
Net Change
+1382
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24988
5K → 10K226160+66#24988#24922
10K → 15K41511+404#24922#24518
15K → 20K28130+251#24518#24267
20K → Half388+30#24267#24237
Half → 25K20833+175#24237#24062
25K → 30K28855+233#24062#23829
30K → 20M13125+106#23829#23723
20M → 21M12816+112#23723#23611
21M → 35K5529+26#23611#23585
35K → 23M6483-19#23585#23604
23M → 24M5741+16#23604#23588
24M → 40K6221+41#23588#23547
40K → 25.2M5011+39#23547#23508
25.2M → Finish18116-98#23508#23606
TOTALS2021639+1382
📊

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