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BOSTON MARATHON 2025

Dustin Carlson

Bib: 5947•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Masters (Masters Men)
#0 / 10463
Top 21%
Division (M40-44)
#0 / 2247
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:45
Rank: #2800
Start → 5K
19:45 | 6:21/mi
10K· 6.21 mi
40:05
Rank: #3413 (-613)
5K → 10K
20:20 | 6:33/mi
15K· 9.32 mi
1:00:34
Rank: #3683 (-270)
10K → 15K
20:29 | 6:36/mi
20K· 12.43 mi
1:21:39
Rank: #3942 (-259)
15K → 20K
21:05 | 6:47/mi
Half· 13.11 mi
1:26:15
Rank: #4013 (-71)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:43:20
Rank: #4390 (-377)
Half → 25K
17:05 | 7:03/mi
30K· 18.64 mi
2:06:31
Rank: #5045 (-655)
25K → 30K
23:11 | 7:28/mi
20M
2:16:52
Rank: #5304 (-259)
30K → 20M
10:21 | 7:37/mi
21M
2:25:20
Rank: #5585 (-281)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:31:00
Rank: #5664 (-79)
21M → 35K
5:40 | 7:34/mi
23M
2:41:05
Rank: #5835 (-171)
35K → 23M
10:05 | 8:03/mi
24M
2:49:08
Rank: #5991 (-156)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
2:56:10
Rank: #6108 (-117)
24M → 40K
7:02 | 8:14/mi
25.2M
2:59:14
Rank: #6163 (-55)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:07:17
Rank: #6295 (-132)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:15
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:41:02
Pace7:42 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4419:456:2119:45
6:21
-
10K
6.21 mi10:46:0440:056:2720:20
6:33
+0:12
15K
9.32 mi11:06:331:00:346:3020:29
6:36
+0:03
20K
12.43 mi11:27:381:21:396:3421:05
6:47
+0:11
Half
13.11 mi11:32:141:26:156:354:36
6:45
-0:02
25K
15.53 mi11:49:191:43:206:3917:05
7:03
+0:18
30K
18.64 mi12:12:302:06:316:4723:11
7:28
+0:25
20M
20.00 mi12:22:512:16:526:5110:21
7:37
+0:09
21M
21.00 mi12:31:192:25:206:558:28
8:28
+0:51
35K
21.75 mi12:36:592:31:006:575:40
7:34
-0:54
23M
23.00 mi12:47:042:41:057:0010:05
8:03
+0:29
24M
24.00 mi12:55:072:49:087:038:03
8:03
0:00
40K
24.85 mi13:02:092:56:107:057:02
8:14
+0:11
25.2M
25.20 mi13:05:132:59:147:073:04
8:54
+0:40
Finish
26.22 mi13:13:163:07:177:098:03
7:54
-1:00

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

6:21 /mi

Average Pace

7:09 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:20

55% of race

Time at Steady Pace

47:15

25% of race

Time at Slower Pace

36:42

20% of race

Average Pace: 7:09 /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 mi10:25:4419:456:2119:45
6:21
#2800
10K
6.21 mi10:46:0440:056:2720:20
6:33
#3413
15K
9.32 mi11:06:331:00:346:3020:29
6:36
#3683
20K
12.43 mi11:27:381:21:396:3421:05
6:47
#3942
Half
13.11 mi11:32:141:26:156:354:36
6:45
#4013
25K
15.53 mi11:49:191:43:206:3917:05
7:03
#4390
30K
18.64 mi12:12:302:06:316:4723:11
7:28
#5045
20M
20.00 mi12:22:512:16:526:5110:21
7:37
#5304
21M
21.00 mi12:31:192:25:206:558:28
8:28
#5585
35K
21.75 mi12:36:592:31:006:575:40
7:34
#5664
23M
23.00 mi12:47:042:41:057:0010:05
8:03
#5835
24M
24.00 mi12:55:072:49:087:038:03
8:03
#5991
40K
24.85 mi13:02:092:56:107:057:02
8:14
#6108
25.2M
25.20 mi13:05:132:59:147:073:04
8:54
#6163
Finish
26.22 mi13:13:163:07:177:098:03
7:54
#6295
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2800266526654173(Top 15%)3925(Top 24%)3925(Top 175%)
10K6.21 mi3.10 mi3413-6133240-5753240-5754039(Top 14%)3800(Top 24%)3800(Top 169%)
15K9.32 mi3.11 mi3683-2703483-2433483-2434173(Top 15%)3925(Top 24%)3925(Top 175%)
20K12.43 mi3.11 mi3942-2593712-2293712-2295162(Top 18%)4757(Top 30%)4757(Top 212%)
Half13.11 mi0.68 mi4013-713779-673779-675608(Top 20%)5128(Top 32%)5128(Top 228%)
25K15.53 mi2.42 mi4390-3774114-3354114-3356604(Top 23%)5834(Top 36%)5834(Top 260%)
30K18.64 mi3.11 mi5045-6554649-5354649-5357459(Top 26%)6247(Top 39%)6247(Top 278%)
20M20.00 mi1.36 mi5304-2594860-2114860-2117760(Top 27%)6281(Top 39%)6281(Top 280%)
21M21.00 mi1.00 mi5585-2815090-2305090-23010209(Top 36%)7459(Top 46%)7459(Top 332%)
35K21.75 mi0.75 mi5664-795148-585148-589100(Top 32%)6890(Top 43%)6890(Top 307%)
23M23.00 mi1.25 mi5835-1715254-1065254-10610395(Top 37%)7419(Top 46%)7419(Top 330%)
24M24.00 mi1.00 mi5991-1565357-1035357-10311550(Top 41%)7915(Top 49%)7915(Top 352%)
40K24.85 mi0.85 mi6108-1175431-745431-7411669(Top 41%)7885(Top 49%)7885(Top 351%)
25.2M25.20 mi0.35 mi6163-555459-285459-2811092(Top 39%)7498(Top 47%)7498(Top 334%)
Finish26.22 mi1.02 mi6295-1325522-635522-6312119(Top 43%)8085(Top 50%)8085(Top 360%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4173

Males

3925

M40-44

3925

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

4039

Males

3800

M40-44

3800

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4173

Males

3925

M40-44

3925

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5162

Males

4757

M40-44

4757

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5608

Males

5128

M40-44

5128

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6604

Males

5834

M40-44

5834

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

7459

Males

6247

M40-44

6247

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7760

Males

6281

M40-44

6281

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10209

Males

7459

M40-44

7459

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9100

Males

6890

M40-44

6890

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

10395

Males

7419

M40-44

7419

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11550

Males

7915

M40-44

7915

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11669

Males

7885

M40-44

7885

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11092

Males

7498

M40-44

7498

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12119

Males

8085

M40-44

8085

Passing Analysis

Category:
Athletes Passed
345
Passed By
3840
Net Change
-3495
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2800
5K → 10K15628-613#2800#3413
10K → 15K34304-270#3413#3683
15K → 20K38297-259#3683#3942
20K → Half273-71#3942#4013
Half → 25K18395-377#4013#4390
25K → 30K41696-655#4390#5045
30K → 20M24283-259#5045#5304
20M → 21M17298-281#5304#5585
21M → 35K1998-79#5585#5664
35K → 23M48219-171#5664#5835
23M → 24M19175-156#5835#5991
24M → 40K29146-117#5991#6108
40K → 25.2M1570-55#6108#6163
25.2M → Finish26158-132#6163#6295
TOTALS3453840-3495
📊

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