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BOSTON MARATHON 2025

Dennis Hassel

Bib: 2699•M

NJ

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

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
6:10/mi
19:08
↑ 97↓ 3451.5%
10K· 6.21 mi
6:03/mi
37:56
↑ 79↓ 1380.4%
15K· 9.32 mi
6:03/mi
56:44
↑ 67↓ 78
20K· 12.43 mi
6:07/mi
1:15:45
↑ 106↓ 860.1%
Half· 13.11 mi
6:02/mi
1:19:52
↑ 19↓ 370.5%
25K· 15.53 mi
6:10/mi
1:34:49
↑ 66↓ 880.2%
30K· 18.64 mi
6:22/mi
1:54:36
↑ 181↓ 1480.2%
20M
6:34/mi
2:03:31
↑ 64↓ 500.2%
21M
7:12/mi
2:10:43
↑ 106↓ 241.6%
35K· 21.75 mi
6:17/mi
2:15:25
↑ 17↓ 861.7%
23M
6:44/mi
2:23:51
↑ 23↓ 630.6%
24M
6:42/mi
2:30:33
↓ 821.3%
40K· 24.85 mi
7:01/mi
2:36:33
↓ 200.3%
25.2M
7:47/mi
2:39:14
↑ 13↓ 160.2%
Finish· 26.22 mi
6:26/mi
2:45:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:52
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:25:55
Pace6:33 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2119:086:1019:08
6:10
-
10K
6.21 mi10:39:0937:566:0618:48
6:03
-0:07
15K
9.32 mi10:57:5756:446:0518:48
6:03
0:00
20K
12.43 mi11:16:581:15:456:0619:01
6:07
+0:04
Half
13.11 mi11:21:051:19:526:064:07
6:02
-0:05
25K
15.53 mi11:36:021:34:496:0614:57
6:10
+0:08
30K
18.64 mi11:55:491:54:366:0919:47
6:22
+0:12
20M
20.00 mi12:04:442:03:316:118:55
6:34
+0:12
21M
21.00 mi12:11:562:10:436:137:12
7:12
+0:38
35K
21.75 mi12:16:382:15:256:144:42
6:17
-0:55
23M
23.00 mi12:25:042:23:516:158:26
6:44
+0:27
24M
24.00 mi12:31:462:30:336:166:42
6:42
-0:02
40K
24.85 mi12:37:462:36:336:186:00
7:01
+0:19
25.2M
25.20 mi12:40:272:39:146:192:41
7:47
+0:46
Finish
26.22 mi12:47:002:45:476:206:33
6:26
-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

6:02 /mi

Average Pace

6:20 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:44

37% of race

Time at Steady Pace

1:14:02

45% of race

Time at Slower Pace

31:01

19% 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 mi10:20:2119:086:1019:08
6:10
#1651
10K
6.21 mi10:39:0937:566:0618:48
6:03
#1443
15K
9.32 mi10:57:5756:446:0518:48
6:03
#1346
20K
12.43 mi11:16:581:15:456:0619:01
6:07
#1305
Half
13.11 mi11:21:051:19:526:064:07
6:02
#1303
25K
15.53 mi11:36:021:34:496:0614:57
6:10
#1288
30K
18.64 mi11:55:491:54:366:0919:47
6:22
#1294
20M
20.00 mi12:04:442:03:316:118:55
6:34
#1303
21M
21.00 mi12:11:562:10:436:137:12
7:12
#1354
35K
21.75 mi12:16:382:15:256:144:42
6:17
#1346
23M
23.00 mi12:25:042:23:516:158:26
6:44
#1363
24M
24.00 mi12:31:462:30:336:166:42
6:42
#1393
40K
24.85 mi12:37:462:36:336:186:00
7:01
#1451
25.2M
25.20 mi12:40:272:39:146:192:41
7:47
#1483
Finish
26.22 mi12:47:002:45:476:206:33
6:26
#1501
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1651156915691196(Top 4%)1134(Top 7%)1134(Top 20%)
10K6.21 mi3.10 mi1443+2081373+1961373+1961281(Top 5%)1216(Top 8%)1216(Top 22%)
15K9.32 mi3.11 mi1346+971279+941279+941196(Top 4%)1134(Top 7%)1134(Top 20%)
20K12.43 mi3.11 mi1305+411236+431236+431251(Top 4%)1186(Top 7%)1186(Top 21%)
Half13.11 mi0.68 mi1303+21234+21234+21288(Top 5%)1222(Top 8%)1222(Top 22%)
25K15.53 mi2.42 mi1288+151218+161218+161329(Top 5%)1259(Top 8%)1259(Top 22%)
30K18.64 mi3.11 mi1294-61222-41222-41430(Top 5%)1351(Top 8%)1351(Top 24%)
20M20.00 mi1.36 mi1303-91230-81230-81847(Top 7%)1747(Top 11%)1747(Top 31%)
21M21.00 mi1.00 mi1354-511278-481278-483096(Top 11%)2853(Top 18%)2853(Top 51%)
35K21.75 mi0.75 mi1346+81270+81270+81526(Top 5%)1436(Top 9%)1436(Top 25%)
23M23.00 mi1.25 mi1363-171286-161286-162388(Top 8%)2215(Top 14%)2215(Top 39%)
24M24.00 mi1.00 mi1393-301313-271313-272951(Top 10%)2675(Top 17%)2675(Top 47%)
40K24.85 mi0.85 mi1451-581370-571370-573957(Top 14%)3445(Top 21%)3445(Top 61%)
25.2M25.20 mi0.35 mi1483-321400-301400-304654(Top 16%)3852(Top 24%)3852(Top 68%)
Finish26.22 mi1.02 mi1501-181418-181418-182423(Top 9%)2203(Top 14%)2203(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

1196

Males

1134

M18-39

1134

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1281

Males

1216

M18-39

1216

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

1196

Males

1134

M18-39

1134

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1251

Males

1186

M18-39

1186

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1288

Males

1222

M18-39

1222

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1329

Males

1259

M18-39

1259

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1430

Males

1351

M18-39

1351

30K→20M

18.6 - 20.0 mi

Top 7%
×5story building
+64ft-50ft

Overall

1847

Males

1747

M18-39

1747

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

3096

Males

2853

M18-39

2853

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1526

Males

1436

M18-39

1436

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2388

Males

2215

M18-39

2215

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2951

Males

2675

M18-39

2675

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3957

Males

3445

M18-39

3445

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4654

Males

3852

M18-39

3852

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2423

Males

2203

M18-39

2203

Passing Analysis

Category:
Athletes Passed
648
Passed By
498
Net Change
+150
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1651
5K → 10K22214+208#1651#1443
10K → 15K10912+97#1443#1346
15K → 20K6827+41#1346#1305
20K → Half108+2#1305#1303
Half → 25K4833+15#1303#1288
25K → 30K5056-6#1288#1294
30K → 20M2534-9#1294#1303
20M → 21M1566-51#1303#1354
21M → 35K2113+8#1354#1346
35K → 23M3249-17#1346#1363
23M → 24M1949-30#1363#1393
24M → 40K765-58#1393#1451
40K → 25.2M032-32#1451#1483
25.2M → Finish2240-18#1483#1501
TOTALS648498+150
📊

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