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BOSTON MARATHON 2025

Kellen Matthews-Thompson

Bib: 1852•M

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Division (M18-39)
#0 / 5642
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:41
Rank: #1129
Start → 5K
18:41 | 6:01/mi
10K· 6.21 mi
37:09
Rank: #1015 (+114)
5K → 10K
18:28 | 5:57/mi
15K· 9.32 mi
55:35
Rank: #959 (+56)
10K → 15K
18:26 | 5:56/mi
20K· 12.43 mi
1:14:38
Rank: #1012 (-53)
15K → 20K
19:03 | 6:08/mi
Half· 13.11 mi
1:18:46
Rank: #1020 (-8)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:35:01
Rank: #1341 (-321)
Half → 25K
16:15 | 6:42/mi
30K· 18.64 mi
1:57:43
Rank: #2010 (-669)
25K → 30K
22:42 | 7:18/mi
20M
2:07:03
Rank: #2085 (-75)
30K → 20M
9:20 | 6:52/mi
21M
2:16:05
Rank: #2548 (-463)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:21:03
Rank: #2565 (-17)
21M → 35K
4:58 | 6:38/mi
23M
2:31:32
Rank: #2975 (-410)
35K → 23M
10:29 | 8:22/mi
24M
2:39:53
Rank: #3349 (-374)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
2:48:07
Rank: #3961 (-612)
24M → 40K
8:14 | 9:38/mi
25.2M
2:51:18
Rank: #4107 (-146)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
2:58:24
Rank: #4142 (-35)
25.2M → Finish
7:06 | 6:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:46
Pace6:00 /mi
2nd Half
Distance13.11 mi
Time1:39:38
Pace7:36 /mi
📊Positive Split: 26.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3218:416:0118:41
6:01
-
10K
6.21 mi10:38:0037:095:5918:28
5:57
-0:04
15K
9.32 mi10:56:2655:355:5818:26
5:56
-0:01
20K
12.43 mi11:15:291:14:386:0019:03
6:08
+0:12
Half
13.11 mi11:19:371:18:466:004:08
6:03
-0:05
25K
15.53 mi11:35:521:35:016:0716:15
6:42
+0:39
30K
18.64 mi11:58:341:57:436:1922:42
7:18
+0:36
20M
20.00 mi12:07:542:07:036:219:20
6:52
-0:26
21M
21.00 mi12:16:562:16:056:299:02
9:02
+2:10
35K
21.75 mi12:21:542:21:036:294:58
6:38
-2:24
23M
23.00 mi12:32:232:31:326:3510:29
8:22
+1:44
24M
24.00 mi12:40:442:39:536:408:21
8:21
-0:01
40K
24.85 mi12:48:582:48:076:468:14
9:38
+1:17
25.2M
25.20 mi12:52:092:51:186:483:11
9:14
-0:24
Finish
26.22 mi12:59:152:58:246:497:06
6:58
-2:16

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

5:56 /mi

Average Pace

6:49 /mi

Slowest Pace

9:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:46

44% of race

Time at Steady Pace

1:00:21

34% of race

Time at Slower Pace

39:17

22% of race

Average Pace: 6:48 /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 mi10:19:3218:416:0118:41
6:01
#1129
10K
6.21 mi10:38:0037:095:5918:28
5:57
#1015
15K
9.32 mi10:56:2655:355:5818:26
5:56
#959
20K
12.43 mi11:15:291:14:386:0019:03
6:08
#1012
Half
13.11 mi11:19:371:18:466:004:08
6:03
#1020
25K
15.53 mi11:35:521:35:016:0716:15
6:42
#1341
30K
18.64 mi11:58:341:57:436:1922:42
7:18
#2010
20M
20.00 mi12:07:542:07:036:219:20
6:52
#2085
21M
21.00 mi12:16:562:16:056:299:02
9:02
#2548
35K
21.75 mi12:21:542:21:036:294:58
6:38
#2565
23M
23.00 mi12:32:232:31:326:3510:29
8:22
#2975
24M
24.00 mi12:40:442:39:536:408:21
8:21
#3349
40K
24.85 mi12:48:582:48:076:468:14
9:38
#3961
25.2M
25.20 mi12:52:092:51:186:483:11
9:14
#4107
Finish
26.22 mi12:59:152:58:246:497:06
6:58
#4142
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi112910701070838(Top 3%)786(Top 5%)786(Top 14%)
10K6.21 mi3.10 mi1015+114956+114956+114952(Top 3%)897(Top 6%)897(Top 16%)
15K9.32 mi3.11 mi959+56903+53903+53838(Top 3%)786(Top 5%)786(Top 14%)
20K12.43 mi3.11 mi1012-53953-50953-501284(Top 5%)1218(Top 8%)1218(Top 22%)
Half13.11 mi0.68 mi1020-8960-7960-71399(Top 5%)1331(Top 8%)1331(Top 24%)
25K15.53 mi2.42 mi1341-3211270-3101270-3104145(Top 15%)3857(Top 24%)3857(Top 68%)
30K18.64 mi3.11 mi2010-6691914-6441914-6446479(Top 23%)5637(Top 35%)5637(Top 100%)
20M20.00 mi1.36 mi2085-751985-711985-713313(Top 12%)3064(Top 19%)3064(Top 54%)
21M21.00 mi1.00 mi2548-4632430-4452430-44513675(Top 48%)9174(Top 57%)9174(Top 163%)
35K21.75 mi0.75 mi2565-172443-132443-133147(Top 11%)2889(Top 18%)2889(Top 51%)
23M23.00 mi1.25 mi2975-4102813-3702813-37012467(Top 44%)8445(Top 52%)8445(Top 150%)
24M24.00 mi1.00 mi3349-3743151-3383151-33813529(Top 48%)8901(Top 55%)8901(Top 158%)
40K24.85 mi0.85 mi3961-6123679-5283679-52819164(Top 67%)11392(Top 71%)11392(Top 202%)
25.2M25.20 mi0.35 mi4107-1463796-1173796-11712965(Top 46%)8410(Top 52%)8410(Top 149%)
Finish26.22 mi1.02 mi4142-353816-203816-205474(Top 19%)4398(Top 27%)4398(Top 78%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

838

Males

786

M18-39

786

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

952

Males

897

M18-39

897

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

838

Males

786

M18-39

786

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1284

Males

1218

M18-39

1218

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1399

Males

1331

M18-39

1331

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4145

Males

3857

M18-39

3857

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6479

Males

5637

M18-39

5637

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3313

Males

3064

M18-39

3064

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13675

Males

9174

M18-39

9174

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3147

Males

2889

M18-39

2889

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

12467

Males

8445

M18-39

8445

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13529

Males

8901

M18-39

8901

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19164

Males

11392

M18-39

11392

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12965

Males

8410

M18-39

8410

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5474

Males

4398

M18-39

4398

Passing Analysis

Category:
Athletes Passed
323
Passed By
3336
Net Change
-3013
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1129
5K → 10K1239+114#1129#1015
10K → 15K648+56#1015#959
15K → 20K2174-53#959#1012
20K → Half513-8#1012#1020
Half → 25K3324-321#1020#1341
25K → 30K0669-669#1341#2010
30K → 20M1994-75#2010#2085
20M → 21M4467-463#2085#2548
21M → 35K2643-17#2548#2565
35K → 23M9419-410#2565#2975
23M → 24M5379-374#2975#3349
24M → 40K2614-612#3349#3961
40K → 25.2M4150-146#3961#4107
25.2M → Finish3873-35#4107#4142
TOTALS3233336-3013
📊

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