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BOSTON MARATHON 2025

Haven Shelton

Bib: 3830•M

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:50
Rank: #2981
Start → 5K
19:50 | 6:23/mi
10K· 6.21 mi
39:43
Rank: #2993 (-12)
5K → 10K
19:53 | 6:24/mi
15K· 9.32 mi
59:32
Rank: #2902 (+91)
10K → 15K
19:49 | 6:23/mi
20K· 12.43 mi
1:19:14
Rank: #2707 (+195)
15K → 20K
19:42 | 6:20/mi
Half· 13.11 mi
1:23:31
Rank: #2675 (+32)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:38:57
Rank: #2570 (+105)
Half → 25K
15:26 | 6:22/mi
30K· 18.64 mi
1:58:55
Rank: #2331 (+239)
25K → 30K
19:58 | 6:26/mi
20M
2:07:47
Rank: #2257 (+74)
30K → 20M
8:52 | 6:31/mi
21M
2:14:35
Rank: #2197 (+60)
20M → 21M
6:48 | 6:48/mi
35K· 21.75 mi
2:19:17
Rank: #2154 (+43)
21M → 35K
4:42 | 6:17/mi
23M
2:27:29
Rank: #2080 (+74)
35K → 23M
8:12 | 6:33/mi
24M
2:33:50
Rank: #2004 (+76)
23M → 24M
6:21 | 6:21/mi
40K· 24.85 mi
2:39:24
Rank: #1972 (+32)
24M → 40K
5:34 | 6:31/mi
25.2M
2:41:49
Rank: #1952 (+20)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:48:10
Rank: #1918 (+34)
25.2M → Finish
6:21 | 6:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:31
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:24:39
Pace6:27 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0819:506:2319:50
6:23
-
10K
6.21 mi10:42:0139:436:2419:53
6:24
+0:01
15K
9.32 mi11:01:5059:326:2319:49
6:23
-0:01
20K
12.43 mi11:21:321:19:146:2319:42
6:20
-0:03
Half
13.11 mi11:25:491:23:316:224:17
6:17
-0:03
25K
15.53 mi11:41:151:38:576:2215:26
6:22
+0:05
30K
18.64 mi12:01:131:58:556:2319:58
6:26
+0:04
20M
20.00 mi12:10:052:07:476:238:52
6:31
+0:05
21M
21.00 mi12:16:532:14:356:256:48
6:48
+0:17
35K
21.75 mi12:21:352:19:176:244:42
6:17
-0:31
23M
23.00 mi12:29:472:27:296:258:12
6:33
+0:16
24M
24.00 mi12:36:082:33:506:256:21
6:21
-0:12
40K
24.85 mi12:41:422:39:246:255:34
6:31
+0:10
25.2M
25.20 mi12:44:072:41:496:252:25
7:00
+0:29
Finish
26.22 mi12:50:282:48:106:256:21
6:14
-0:46

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

6:14 /mi

Average Pace

6:25 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:45

99% of race

Time at Steady Pace

2:25

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:25 /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 mi10:22:0819:506:2319:50
6:23
#2981
10K
6.21 mi10:42:0139:436:2419:53
6:24
#2993
15K
9.32 mi11:01:5059:326:2319:49
6:23
#2902
20K
12.43 mi11:21:321:19:146:2319:42
6:20
#2707
Half
13.11 mi11:25:491:23:316:224:17
6:17
#2675
25K
15.53 mi11:41:151:38:576:2215:26
6:22
#2570
30K
18.64 mi12:01:131:58:556:2319:58
6:26
#2331
20M
20.00 mi12:10:052:07:476:238:52
6:31
#2257
21M
21.00 mi12:16:532:14:356:256:48
6:48
#2197
35K
21.75 mi12:21:352:19:176:244:42
6:17
#2154
23M
23.00 mi12:29:472:27:296:258:12
6:33
#2080
24M
24.00 mi12:36:082:33:506:256:21
6:21
#2004
40K
24.85 mi12:41:422:39:246:255:34
6:31
#1972
25.2M
25.20 mi12:44:072:41:496:252:25
7:00
#1952
Finish
26.22 mi12:50:282:48:106:256:21
6:14
#1918
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2981283428342787(Top 10%)2653(Top 16%)2653(Top 47%)
10K6.21 mi3.10 mi2993-122847-132847-133030(Top 11%)2884(Top 18%)2884(Top 51%)
15K9.32 mi3.11 mi2902+912766+812766+812787(Top 10%)2653(Top 16%)2653(Top 47%)
20K12.43 mi3.11 mi2707+1952580+1862580+1862218(Top 8%)2113(Top 13%)2113(Top 37%)
Half13.11 mi0.68 mi2675+322551+292551+292340(Top 8%)2237(Top 14%)2237(Top 40%)
25K15.53 mi2.42 mi2570+1052454+972454+972169(Top 8%)2064(Top 13%)2064(Top 37%)
30K18.64 mi3.11 mi2331+2392225+2292225+2291652(Top 6%)1566(Top 10%)1566(Top 28%)
20M20.00 mi1.36 mi2257+742153+722153+721704(Top 6%)1610(Top 10%)1610(Top 29%)
21M21.00 mi1.00 mi2197+602095+582095+581526(Top 5%)1437(Top 9%)1437(Top 25%)
35K21.75 mi0.75 mi2154+432053+422053+421529(Top 5%)1439(Top 9%)1439(Top 26%)
23M23.00 mi1.25 mi2080+741978+751978+751620(Top 6%)1513(Top 9%)1513(Top 27%)
24M24.00 mi1.00 mi2004+761901+771901+771475(Top 5%)1379(Top 9%)1379(Top 24%)
40K24.85 mi0.85 mi1972+321870+311870+311626(Top 6%)1502(Top 9%)1502(Top 27%)
25.2M25.20 mi0.35 mi1952+201850+201850+201482(Top 5%)1353(Top 8%)1353(Top 24%)
Finish26.22 mi1.02 mi1918+341817+331817+331613(Top 6%)1497(Top 9%)1497(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2787

Males

2653

M18-39

2653

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3030

Males

2884

M18-39

2884

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2787

Males

2653

M18-39

2653

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2218

Males

2113

M18-39

2113

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2340

Males

2237

M18-39

2237

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2169

Males

2064

M18-39

2064

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1652

Males

1566

M18-39

1566

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1704

Males

1610

M18-39

1610

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1526

Males

1437

M18-39

1437

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1529

Males

1439

M18-39

1439

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1620

Males

1513

M18-39

1513

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1475

Males

1379

M18-39

1379

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1626

Males

1502

M18-39

1502

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1482

Males

1353

M18-39

1353

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1613

Males

1497

M18-39

1497

Passing Analysis

Category:
Athletes Passed
1351
Passed By
288
Net Change
+1063
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2981
5K → 10K126138-12#2981#2993
10K → 15K13847+91#2993#2902
15K → 20K20712+195#2902#2707
20K → Half364+32#2707#2675
Half → 25K11914+105#2675#2570
25K → 30K2478+239#2570#2331
30K → 20M806+74#2331#2257
20M → 21M7414+60#2257#2197
21M → 35K474+43#2197#2154
35K → 23M806+74#2154#2080
23M → 24M837+76#2080#2004
24M → 40K397+32#2004#1972
40K → 25.2M233+20#1972#1952
25.2M → Finish5218+34#1952#1918
TOTALS1351288+1063
📊

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