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BOSTON MARATHON 2025

Clayton Thomas

Bib: 6300•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
23:23
Rank: #12460
Start → 5K
23:23 | 7:32/mi
10K· 6.21 mi
47:10
Rank: #12944 (-484)
5K → 10K
23:47 | 7:39/mi
15K· 9.32 mi
1:11:42
Rank: #13685 (-741)
10K → 15K
24:32 | 7:54/mi
20K· 12.43 mi
1:37:14
Rank: #14442 (-757)
15K → 20K
25:32 | 8:13/mi
Half· 13.11 mi
1:42:31
Rank: #14394 (+48)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:01:37
Rank: #14115 (+279)
Half → 25K
19:06 | 7:53/mi
30K· 18.64 mi
2:27:10
Rank: #13840 (+275)
25K → 30K
25:33 | 8:13/mi
20M
2:39:13
Rank: #13991 (-151)
30K → 20M
12:03 | 8:52/mi
21M
2:48:17
Rank: #13953 (+38)
20M → 21M
9:04 | 9:04/mi
35K· 21.75 mi
2:55:33
Rank: #14376 (-423)
21M → 35K
7:16 | 9:43/mi
23M
3:08:05
Rank: #14852 (-476)
35K → 23M
12:32 | 10:01/mi
24M
3:18:09
Rank: #15296 (-444)
23M → 24M
10:04 | 10:04/mi
40K· 24.85 mi
3:27:11
Rank: #15650 (-354)
24M → 40K
9:02 | 10:34/mi
25.2M
3:30:58
Rank: #15748 (-98)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:40:08
Rank: #15898 (-150)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:31
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:57:37
Pace8:58 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:3923:237:3223:23
7:32
-
10K
6.21 mi10:52:2647:107:3523:47
7:39
+0:07
15K
9.32 mi11:16:581:11:427:4224:32
7:54
+0:15
20K
12.43 mi11:42:301:37:147:4925:32
8:13
+0:19
Half
13.11 mi11:47:471:42:317:495:17
7:45
-0:28
25K
15.53 mi12:06:532:01:377:5019:06
7:53
+0:08
30K
18.64 mi12:32:262:27:107:5425:33
8:13
+0:20
20M
20.00 mi12:44:292:39:137:5812:03
8:52
+0:39
21M
21.00 mi12:53:332:48:178:019:04
9:04
+0:12
35K
21.75 mi13:00:492:55:338:047:16
9:43
+0:39
23M
23.00 mi13:13:213:08:058:1112:32
10:01
+0:18
24M
24.00 mi13:23:253:18:098:1510:04
10:04
+0:03
40K
24.85 mi13:32:273:27:118:209:02
10:34
+0:30
25.2M
25.20 mi13:36:143:30:588:223:47
10:58
+0:24
Finish
26.22 mi13:45:243:40:088:249:10
9:00
-1:58

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

7:32 /mi

Average Pace

8:24 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:10

67% of race

Time at Steady Pace

30:17

14% of race

Time at Slower Pace

42:41

19% of race

Average Pace: 8:24 /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 mi10:28:3923:237:3223:23
7:32
#12460
10K
6.21 mi10:52:2647:107:3523:47
7:39
#12944
15K
9.32 mi11:16:581:11:427:4224:32
7:54
#13685
20K
12.43 mi11:42:301:37:147:4925:32
8:13
#14442
Half
13.11 mi11:47:471:42:317:495:17
7:45
#14394
25K
15.53 mi12:06:532:01:377:5019:06
7:53
#14115
30K
18.64 mi12:32:262:27:107:5425:33
8:13
#13840
20M
20.00 mi12:44:292:39:137:5812:03
8:52
#13991
21M
21.00 mi12:53:332:48:178:019:04
9:04
#13953
35K
21.75 mi13:00:492:55:338:047:16
9:43
#14376
23M
23.00 mi13:13:213:08:058:1112:32
10:01
#14852
24M
24.00 mi13:23:253:18:098:1510:04
10:04
#15296
40K
24.85 mi13:32:273:27:118:209:02
10:34
#15650
25.2M
25.20 mi13:36:143:30:588:223:47
10:58
#15748
Finish
26.22 mi13:45:243:40:088:249:10
9:00
#15898
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi124609386938615206(Top 54%)10469(Top 65%)10469(Top 186%)
10K6.21 mi3.10 mi12944-4849604-2189604-21813495(Top 48%)9797(Top 61%)9797(Top 174%)
15K9.32 mi3.11 mi13685-7419857-2539857-25315206(Top 54%)10469(Top 65%)10469(Top 186%)
20K12.43 mi3.11 mi14442-75710142-28510142-28516410(Top 58%)10920(Top 68%)10920(Top 194%)
Half13.11 mi0.68 mi14394+4810119+2310119+2313761(Top 48%)9810(Top 61%)9810(Top 174%)
25K15.53 mi2.42 mi14115+2799966+1539966+15312951(Top 46%)9277(Top 58%)9277(Top 164%)
30K18.64 mi3.11 mi13840+2759784+1829784+18212994(Top 46%)9143(Top 57%)9143(Top 162%)
20M20.00 mi1.36 mi13991-1519812-289812-2816026(Top 56%)10376(Top 64%)10376(Top 184%)
21M21.00 mi1.00 mi13953+389776+369776+3613890(Top 49%)9287(Top 58%)9287(Top 165%)
35K21.75 mi0.75 mi14376-4239953-1779953-17721027(Top 74%)12447(Top 77%)12447(Top 221%)
23M23.00 mi1.25 mi14852-47610129-17610129-17620507(Top 72%)12154(Top 75%)12154(Top 215%)
24M24.00 mi1.00 mi15296-44410276-14710276-14721522(Top 76%)12596(Top 78%)12596(Top 223%)
40K24.85 mi0.85 mi15650-35410401-12510401-12522079(Top 78%)12777(Top 79%)12777(Top 226%)
25.2M25.20 mi0.35 mi15748-9810434-3310434-3320487(Top 72%)12020(Top 75%)12020(Top 213%)
Finish26.22 mi1.02 mi15898-15010475-4110475-4118991(Top 67%)11345(Top 70%)11345(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15206

Males

10469

M18-39

10469

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

13495

Males

9797

M18-39

9797

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15206

Males

10469

M18-39

10469

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16410

Males

10920

M18-39

10920

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

13761

Males

9810

M18-39

9810

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12951

Males

9277

M18-39

9277

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12994

Males

9143

M18-39

9143

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

16026

Males

10376

M18-39

10376

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13890

Males

9287

M18-39

9287

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

21027

Males

12447

M18-39

12447

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20507

Males

12154

M18-39

12154

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21522

Males

12596

M18-39

12596

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22079

Males

12777

M18-39

12777

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20487

Males

12020

M18-39

12020

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

18991

Males

11345

M18-39

11345

Passing Analysis

Category:
Athletes Passed
1309
Passed By
4747
Net Change
-3438
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12460
5K → 10K117601-484#12460#12944
10K → 15K57798-741#12944#13685
15K → 20K64821-757#13685#14442
20K → Half6618+48#14442#14394
Half → 25K30930+279#14394#14115
25K → 30K395120+275#14115#13840
30K → 20M72223-151#13840#13991
20M → 21M12183+38#13991#13953
21M → 35K10433-423#13953#14376
35K → 23M26502-476#14376#14852
23M → 24M13457-444#14852#15296
24M → 40K19373-354#15296#15650
40K → 25.2M9107-98#15650#15748
25.2M → Finish31181-150#15748#15898
TOTALS13094747-3438
📊

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