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BOSTON MARATHON 2025

Thomas Knepshield

Bib: 2945•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Division (M18-39)
#0 / 5642
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:14
Rank: #735
Start → 5K
18:14 | 5:52/mi
10K· 6.21 mi
36:26
Rank: #722 (+13)
5K → 10K
18:12 | 5:51/mi
15K· 9.32 mi
54:41
Rank: #708 (+14)
10K → 15K
18:15 | 5:52/mi
20K· 12.43 mi
1:13:10
Rank: #712 (-4)
15K → 20K
18:29 | 5:57/mi
Half· 13.11 mi
1:17:05
Rank: #696 (+16)
20K → Half
3:55 | 5:44/mi
25K· 15.53 mi
1:31:25
Rank: #657 (+39)
Half → 25K
14:20 | 5:55/mi
30K· 18.64 mi
1:50:35
Rank: #668 (-11)
25K → 30K
19:10 | 6:10/mi
20M
1:59:15
Rank: #686 (-18)
30K → 20M
8:40 | 6:23/mi
21M
2:06:11
Rank: #718 (-32)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:11:08
Rank: #747 (-29)
21M → 35K
4:57 | 6:37/mi
23M
2:19:41
Rank: #803 (-56)
35K → 23M
8:33 | 6:50/mi
24M
2:26:26
Rank: #852 (-49)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:32:12
Rank: #901 (-49)
24M → 40K
5:46 | 6:45/mi
25.2M
2:34:43
Rank: #906 (-5)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:41:14
Rank: #929 (-23)
25.2M → Finish
6:31 | 6:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:05
Pace5:53 /mi
2nd Half
Distance13.11 mi
Time1:24:09
Pace6:25 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4618:145:5218:14
5:52
-
10K
6.21 mi10:37:5836:265:5218:12
5:51
-0:01
15K
9.32 mi10:56:1354:415:5218:15
5:52
+0:01
20K
12.43 mi11:14:421:13:105:5318:29
5:57
+0:05
Half
13.11 mi11:18:371:17:055:533:55
5:44
-0:13
25K
15.53 mi11:32:571:31:255:5314:20
5:55
+0:11
30K
18.64 mi11:52:071:50:355:5619:10
6:10
+0:15
20M
20.00 mi12:00:471:59:155:588:40
6:23
+0:13
21M
21.00 mi12:07:432:06:116:016:56
6:56
+0:33
35K
21.75 mi12:12:402:11:086:024:57
6:37
-0:19
23M
23.00 mi12:21:132:19:416:048:33
6:50
+0:13
24M
24.00 mi12:27:582:26:266:066:45
6:45
-0:05
40K
24.85 mi12:33:442:32:126:075:46
6:45
0:00
25.2M
25.20 mi12:36:152:34:436:082:31
7:18
+0:33
Finish
26.22 mi12:42:462:41:146:096:31
6:24
-0:54

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

5:44 /mi

Average Pace

6:09 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:25

57% of race

Time at Steady Pace

39:18

24% of race

Time at Slower Pace

30:31

19% of race

Average Pace: 6:09 /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 mi10:19:4618:145:5218:14
5:52
#735
10K
6.21 mi10:37:5836:265:5218:12
5:51
#722
15K
9.32 mi10:56:1354:415:5218:15
5:52
#708
20K
12.43 mi11:14:421:13:105:5318:29
5:57
#712
Half
13.11 mi11:18:371:17:055:533:55
5:44
#696
25K
15.53 mi11:32:571:31:255:5314:20
5:55
#657
30K
18.64 mi11:52:071:50:355:5619:10
6:10
#668
20M
20.00 mi12:00:471:59:155:588:40
6:23
#686
21M
21.00 mi12:07:432:06:116:016:56
6:56
#718
35K
21.75 mi12:12:402:11:086:024:57
6:37
#747
23M
23.00 mi12:21:132:19:416:048:33
6:50
#803
24M
24.00 mi12:27:582:26:266:066:45
6:45
#852
40K
24.85 mi12:33:442:32:126:075:46
6:45
#901
25.2M
25.20 mi12:36:152:34:436:082:31
7:18
#906
Finish
26.22 mi12:42:462:41:146:096:31
6:24
#929
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi735684684704(Top 2%)658(Top 4%)658(Top 12%)
10K6.21 mi3.10 mi722+13673+11673+11737(Top 3%)692(Top 4%)692(Top 12%)
15K9.32 mi3.11 mi708+14660+13660+13704(Top 2%)658(Top 4%)658(Top 12%)
20K12.43 mi3.11 mi712-4663-3663-3743(Top 3%)695(Top 4%)695(Top 12%)
Half13.11 mi0.68 mi696+16648+15648+15483(Top 2%)453(Top 3%)453(Top 8%)
25K15.53 mi2.42 mi657+39610+38610+38596(Top 2%)550(Top 3%)550(Top 10%)
30K18.64 mi3.11 mi668-11621-11621-11838(Top 3%)784(Top 5%)784(Top 14%)
20M20.00 mi1.36 mi686-18639-18639-181162(Top 4%)1094(Top 7%)1094(Top 19%)
21M21.00 mi1.00 mi718-32671-32671-321971(Top 7%)1854(Top 12%)1854(Top 33%)
35K21.75 mi0.75 mi747-29698-27698-272994(Top 11%)2749(Top 17%)2749(Top 49%)
23M23.00 mi1.25 mi803-56753-55753-552822(Top 10%)2584(Top 16%)2584(Top 46%)
24M24.00 mi1.00 mi852-49799-46799-463185(Top 11%)2865(Top 18%)2865(Top 51%)
40K24.85 mi0.85 mi901-49844-45844-452543(Top 9%)2311(Top 14%)2311(Top 41%)
25.2M25.20 mi0.35 mi906-5849-5849-52422(Top 9%)2156(Top 13%)2156(Top 38%)
Finish26.22 mi1.02 mi929-23872-23872-232263(Top 8%)2066(Top 13%)2066(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

704

Males

658

M18-39

658

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

737

Males

692

M18-39

692

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

704

Males

658

M18-39

658

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

743

Males

695

M18-39

695

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

483

Males

453

M18-39

453

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

596

Males

550

M18-39

550

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

838

Males

784

M18-39

784

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1162

Males

1094

M18-39

1094

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1971

Males

1854

M18-39

1854

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2994

Males

2749

M18-39

2749

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2822

Males

2584

M18-39

2584

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3185

Males

2865

M18-39

2865

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2543

Males

2311

M18-39

2311

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2422

Males

2156

M18-39

2156

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2263

Males

2066

M18-39

2066

Passing Analysis

Category:
Athletes Passed
233
Passed By
427
Net Change
-194
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#735
5K → 10K4229+13#735#722
10K → 15K2814+14#722#708
15K → 20K2327-4#708#712
20K → Half160+16#712#696
Half → 25K456+39#696#657
25K → 30K2839-11#657#668
30K → 20M1129-18#668#686
20M → 21M335-32#686#718
21M → 35K837-29#718#747
35K → 23M561-56#747#803
23M → 24M352-49#803#852
24M → 40K655-49#852#901
40K → 25.2M49-5#901#906
25.2M → Finish1134-23#906#929
TOTALS233427-194
📊

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