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BOSTON MARATHON 2025

David Sutton

Bib: 4469•M

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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 39%
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
22:35
Rank: #10037
Start → 5K
22:35 | 7:16/mi
10K· 6.21 mi
45:15
Rank: #10187 (-150)
5K → 10K
22:40 | 7:18/mi
15K· 9.32 mi
1:07:49
Rank: #9997 (+190)
10K → 15K
22:34 | 7:16/mi
20K· 12.43 mi
1:30:15
Rank: #9514 (+483)
15K → 20K
22:26 | 7:13/mi
Half· 13.11 mi
1:35:02
Rank: #9395 (+119)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:52:23
Rank: #8980 (+415)
Half → 25K
17:21 | 7:09/mi
30K· 18.64 mi
2:16:01
Rank: #8800 (+180)
25K → 30K
23:38 | 7:36/mi
20M
2:26:15
Rank: #8629 (+171)
30K → 20M
10:14 | 7:32/mi
21M
2:34:16
Rank: #8508 (+121)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:39:37
Rank: #8385 (+123)
21M → 35K
5:21 | 7:09/mi
23M
2:48:48
Rank: #8134 (+251)
35K → 23M
9:11 | 7:20/mi
24M
2:55:52
Rank: #7934 (+200)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
3:02:06
Rank: #7784 (+150)
24M → 40K
6:14 | 7:17/mi
25.2M
3:04:52
Rank: #7732 (+52)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:11:52
Rank: #7571 (+161)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:02
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:36:50
Pace7:23 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5922:357:1622:35
7:16
-
10K
6.21 mi10:47:3945:157:1722:40
7:18
+0:02
15K
9.32 mi11:10:131:07:497:1722:34
7:16
-0:02
20K
12.43 mi11:32:391:30:157:1622:26
7:13
-0:03
Half
13.11 mi11:37:261:35:027:154:47
7:01
-0:12
25K
15.53 mi11:54:471:52:237:1417:21
7:09
+0:08
30K
18.64 mi12:18:252:16:017:1823:38
7:36
+0:27
20M
20.00 mi12:28:392:26:157:1910:14
7:32
-0:04
21M
21.00 mi12:36:402:34:167:218:01
8:01
+0:29
35K
21.75 mi12:42:012:39:377:205:21
7:09
-0:52
23M
23.00 mi12:51:122:48:487:209:11
7:20
+0:11
24M
24.00 mi12:58:162:55:527:207:04
7:04
-0:16
40K
24.85 mi13:04:303:02:067:206:14
7:17
+0:13
25.2M
25.20 mi13:07:163:04:527:202:46
8:01
+0:44
Finish
26.22 mi13:14:163:11:527:197:00
6:52
-1:09

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

6:52 /mi

Average Pace

7:19 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:27

82% of race

Time at Steady Pace

34:25

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:19 /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 mi10:24:5922:357:1622:35
7:16
#10037
10K
6.21 mi10:47:3945:157:1722:40
7:18
#10187
15K
9.32 mi11:10:131:07:497:1722:34
7:16
#9997
20K
12.43 mi11:32:391:30:157:1622:26
7:13
#9514
Half
13.11 mi11:37:261:35:027:154:47
7:01
#9395
25K
15.53 mi11:54:471:52:237:1417:21
7:09
#8980
30K
18.64 mi12:18:252:16:017:1823:38
7:36
#8800
20M
20.00 mi12:28:392:26:157:1910:14
7:32
#8629
21M
21.00 mi12:36:402:34:167:218:01
8:01
#8508
35K
21.75 mi12:42:012:39:377:205:21
7:09
#8385
23M
23.00 mi12:51:122:48:487:209:11
7:20
#8134
24M
24.00 mi12:58:162:55:527:207:04
7:04
#7934
40K
24.85 mi13:04:303:02:067:206:14
7:17
#7784
25.2M
25.20 mi13:07:163:04:527:202:46
8:01
#7732
Finish
26.22 mi13:14:163:11:527:197:00
6:52
#7571
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10037818381839658(Top 34%)7893(Top 49%)7893(Top 140%)
10K6.21 mi3.10 mi10187-1508259-768259-7610289(Top 36%)8297(Top 52%)8297(Top 147%)
15K9.32 mi3.11 mi9997+1908127+1328127+1329658(Top 34%)7893(Top 49%)7893(Top 140%)
20K12.43 mi3.11 mi9514+4837839+2887839+2888356(Top 29%)7077(Top 44%)7077(Top 125%)
Half13.11 mi0.68 mi9395+1197769+707769+707633(Top 27%)6654(Top 41%)6654(Top 118%)
25K15.53 mi2.42 mi8980+4157516+2537516+2537298(Top 26%)6312(Top 39%)6312(Top 112%)
30K18.64 mi3.11 mi8800+1807359+1577359+1578484(Top 30%)6866(Top 43%)6866(Top 122%)
20M20.00 mi1.36 mi8629+1717217+1427217+1427191(Top 25%)5954(Top 37%)5954(Top 106%)
21M21.00 mi1.00 mi8508+1217117+1007117+1007409(Top 26%)5912(Top 37%)5912(Top 105%)
35K21.75 mi0.75 mi8385+1237018+997018+996263(Top 22%)5236(Top 33%)5236(Top 93%)
23M23.00 mi1.25 mi8134+2516821+1976821+1975638(Top 20%)4763(Top 30%)4763(Top 84%)
24M24.00 mi1.00 mi7934+2006662+1596662+1595015(Top 18%)4272(Top 27%)4272(Top 76%)
40K24.85 mi0.85 mi7784+1506535+1276535+1275587(Top 20%)4606(Top 29%)4606(Top 82%)
25.2M25.20 mi0.35 mi7732+526487+486487+486014(Top 21%)4740(Top 29%)4740(Top 84%)
Finish26.22 mi1.02 mi7571+1616357+1306357+1304891(Top 17%)4039(Top 25%)4039(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9658

Males

7893

M18-39

7893

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10289

Males

8297

M18-39

8297

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9658

Males

7893

M18-39

7893

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

8356

Males

7077

M18-39

7077

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7633

Males

6654

M18-39

6654

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7298

Males

6312

M18-39

6312

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8484

Males

6866

M18-39

6866

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

7191

Males

5954

M18-39

5954

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7409

Males

5912

M18-39

5912

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6263

Males

5236

M18-39

5236

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5638

Males

4763

M18-39

4763

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5015

Males

4272

M18-39

4272

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5587

Males

4606

M18-39

4606

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6014

Males

4740

M18-39

4740

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4891

Males

4039

M18-39

4039

Passing Analysis

Category:
Athletes Passed
3125*
Passed By
658
Net Change
+2466
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10037
5K → 10K169318-150#10037#10187
10K → 15K278*88+190#10187#9997
15K → 20K49512+483#9997#9514
20K → Half1201+119#9514#9395
Half → 25K4205+415#9395#8980
25K → 30K310130+180#8980#8800
30K → 20M19524+171#8800#8629
20M → 21M15736+121#8629#8508
21M → 35K1285+123#8508#8385
35K → 23M26110+251#8385#8134
23M → 24M2033+200#8134#7934
24M → 40K1599+150#7934#7784
40K → 25.2M6210+52#7784#7732
25.2M → Finish1687+161#7732#7571
TOTALS3125*658+2466

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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