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BOSTON MARATHON 2025

Dustin Heslep

Bib: 3183•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 17%
Masters (Masters Men)
#0 / 10463
Top 6%
Division (M40-44)
#0 / 2247
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:29
Rank: #2252
Start → 5K
19:29 | 6:16/mi
10K· 6.21 mi
39:12
Rank: #2472 (-220)
5K → 10K
19:43 | 6:21/mi
15K· 9.32 mi
59:02
Rank: #2599 (-127)
10K → 15K
19:50 | 6:23/mi
20K· 12.43 mi
1:18:55
Rank: #2548 (+51)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:23:14
Rank: #2553 (-5)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:38:55
Rank: #2560 (-7)
Half → 25K
15:41 | 6:28/mi
30K· 18.64 mi
1:59:41
Rank: #2560
25K → 30K
20:46 | 6:41/mi
20M
2:09:01
Rank: #2579 (-19)
30K → 20M
9:20 | 6:52/mi
21M
2:16:21
Rank: #2630 (-51)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:21:22
Rank: #2643 (-13)
21M → 35K
5:01 | 6:42/mi
23M
2:30:21
Rank: #2725 (-82)
35K → 23M
8:59 | 7:10/mi
24M
2:37:30
Rank: #2783 (-58)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
2:43:50
Rank: #2867 (-84)
24M → 40K
6:20 | 7:24/mi
25.2M
2:46:38
Rank: #2898 (-31)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:53:55
Rank: #2988 (-90)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:14
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:30:41
Pace6:55 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5419:296:1619:29
6:16
-
10K
6.21 mi10:40:3739:126:1919:43
6:21
+0:05
15K
9.32 mi11:00:2759:026:2019:50
6:23
+0:02
20K
12.43 mi11:20:201:18:556:2119:53
6:24
+0:01
Half
13.11 mi11:24:391:23:146:214:19
6:20
-0:04
25K
15.53 mi11:40:201:38:556:2215:41
6:28
+0:08
30K
18.64 mi12:01:061:59:416:2520:46
6:41
+0:13
20M
20.00 mi12:10:262:09:016:279:20
6:52
+0:11
21M
21.00 mi12:17:462:16:216:307:20
7:20
+0:28
35K
21.75 mi12:22:472:21:226:305:01
6:42
-0:38
23M
23.00 mi12:31:462:30:216:328:59
7:10
+0:28
24M
24.00 mi12:38:552:37:306:347:09
7:09
-0:01
40K
24.85 mi12:45:152:43:506:356:20
7:24
+0:15
25.2M
25.20 mi12:48:032:46:386:372:48
8:07
+0:43
Finish
26.22 mi12:55:202:53:556:387:17
7:09
-0:58

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

6:16 /mi

Average Pace

6:38 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:14

48% of race

Time at Steady Pace

50:48

29% of race

Time at Slower Pace

39:53

23% of race

Average Pace: 6:38 /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 mi10:20:5419:296:1619:29
6:16
#2252
10K
6.21 mi10:40:3739:126:1919:43
6:21
#2472
15K
9.32 mi11:00:2759:026:2019:50
6:23
#2599
20K
12.43 mi11:20:201:18:556:2119:53
6:24
#2548
Half
13.11 mi11:24:391:23:146:214:19
6:20
#2553
25K
15.53 mi11:40:201:38:556:2215:41
6:28
#2560
30K
18.64 mi12:01:061:59:416:2520:46
6:41
#2560
20M
20.00 mi12:10:262:09:016:279:20
6:52
#2579
21M
21.00 mi12:17:462:16:216:307:20
7:20
#2630
35K
21.75 mi12:22:472:21:226:305:01
6:42
#2643
23M
23.00 mi12:31:462:30:216:328:59
7:10
#2725
24M
24.00 mi12:38:552:37:306:347:09
7:09
#2783
40K
24.85 mi12:45:152:43:506:356:20
7:24
#2867
25.2M
25.20 mi12:48:032:46:386:372:48
8:07
#2898
Finish
26.22 mi12:55:202:53:556:387:17
7:09
#2988
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2252215121512830(Top 10%)2695(Top 17%)2695(Top 120%)
10K6.21 mi3.10 mi2472-2202357-2062357-2062707(Top 10%)2578(Top 16%)2578(Top 115%)
15K9.32 mi3.11 mi2599-1272478-1212478-1212830(Top 10%)2695(Top 17%)2695(Top 120%)
20K12.43 mi3.11 mi2548+512431+472431+472516(Top 9%)2398(Top 15%)2398(Top 107%)
Half13.11 mi0.68 mi2553-52439-82439-82640(Top 9%)2523(Top 16%)2523(Top 112%)
25K15.53 mi2.42 mi2560-72444-52444-52713(Top 10%)2581(Top 16%)2581(Top 115%)
30K18.64 mi3.11 mi25602446-22446-22804(Top 10%)2652(Top 16%)2652(Top 118%)
20M20.00 mi1.36 mi2579-192463-172463-173289(Top 12%)3040(Top 19%)3040(Top 135%)
21M21.00 mi1.00 mi2630-512505-422505-423748(Top 13%)3411(Top 21%)3411(Top 152%)
35K21.75 mi0.75 mi2643-132517-122517-123490(Top 12%)3163(Top 20%)3163(Top 141%)
23M23.00 mi1.25 mi2725-822588-712588-714692(Top 17%)4089(Top 25%)4089(Top 182%)
24M24.00 mi1.00 mi2783-582640-522640-525473(Top 19%)4570(Top 28%)4570(Top 203%)
40K24.85 mi0.85 mi2867-842713-732713-736188(Top 22%)4948(Top 31%)4948(Top 220%)
25.2M25.20 mi0.35 mi2898-312742-292742-296460(Top 23%)4989(Top 31%)4989(Top 222%)
Finish26.22 mi1.02 mi2988-902817-752817-756640(Top 23%)5100(Top 32%)5100(Top 227%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2830

Males

2695

M40-44

2695

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2707

Males

2578

M40-44

2578

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2830

Males

2695

M40-44

2695

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2516

Males

2398

M40-44

2398

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2640

Males

2523

M40-44

2523

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2713

Males

2581

M40-44

2581

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2804

Males

2652

M40-44

2652

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3289

Males

3040

M40-44

3040

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3748

Males

3411

M40-44

3411

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3490

Males

3163

M40-44

3163

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4692

Males

4089

M40-44

4089

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5473

Males

4570

M40-44

4570

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6188

Males

4948

M40-44

4948

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6460

Males

4989

M40-44

4989

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6640

Males

5100

M40-44

5100

Passing Analysis

Category:
Athletes Passed
558
Passed By
1294
Net Change
-736
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2252
5K → 10K37257-220#2252#2472
10K → 15K48175-127#2472#2599
15K → 20K9948+51#2599#2548
20K → Half1419-5#2548#2553
Half → 25K5966-7#2553#2560
25K → 30K88880#2560#2560
30K → 20M4665-19#2560#2579
20M → 21M3687-51#2579#2630
21M → 35K3043-13#2630#2643
35K → 23M33115-82#2643#2725
23M → 24M2684-58#2725#2783
24M → 40K17101-84#2783#2867
40K → 25.2M1142-31#2867#2898
25.2M → Finish14104-90#2898#2988
TOTALS5581294-736
📊

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