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BOSTON MARATHON 2025

David Knies

Bib: 25900•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:38
Rank: #25238
Start → 5K
9:52/mi
30:38 split
10K· 6.21 mi
1:02:54
Rank: #25704 (-466)
5K → 10K
10:23/mi
32:16 split
15K· 9.32 mi
1:33:58
Rank: #25496 (+208)
10K → 15K
10:00/mi
31:04 split
20K· 12.43 mi
2:06:43
Rank: #25428 (+68)
15K → 20K
10:32/mi
32:45 split
Half· 13.11 mi
2:13:21
Rank: #25359 (+69)
20K → Half
9:43/mi
6:38 split
25K· 15.53 mi
2:39:25
Rank: #25244 (+115)
Half → 25K
10:45/mi
26:04 split
30K· 18.64 mi
3:14:29
Rank: #25099 (+145)
25K → 30K
11:17/mi
35:04 split
20M
3:29:51
Rank: #25055 (+44)
30K → 20M
11:18/mi
15:22 split
21M
3:42:57
Rank: #25081 (-26)
20M → 21M
13:06/mi
13:06 split
35K· 21.75 mi
3:52:08
Rank: #25140 (-59)
21M → 35K
12:17/mi
9:11 split
23M
4:06:10
Rank: #25087 (+53)
35K → 23M
11:12/mi
14:02 split
24M
4:17:41
Rank: #25067 (+20)
23M → 24M
11:31/mi
11:31 split
40K· 24.85 mi
4:26:35
Rank: #24969 (+98)
24M → 40K
10:25/mi
8:54 split
25.2M
4:30:51
Rank: #24964 (+5)
40K → 25.2M
12:22/mi
4:16 split
Finish· 26.22 mi
4:41:17
Rank: #24938 (+26)
25.2M → Finish
10:14/mi
10:26 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:21
Pace10:10 /mi
2nd Half
Distance13.11 mi
Time2:27:56
Pace11:17 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0230:389:5230:38
9:52
-
10K
6.21 mi12:21:181:02:5410:0732:16
10:23
+0:31
15K
9.32 mi12:52:221:33:5810:0531:04
10:00
-0:23
20K
12.43 mi13:25:072:06:4310:1232:45
10:32
+0:32
Half
13.11 mi13:31:452:13:2110:106:38
9:43
-0:49
25K
15.53 mi13:57:492:39:2510:1626:04
10:45
+1:02
30K
18.64 mi14:32:533:14:2910:2635:04
11:17
+0:32
20M
20.00 mi14:48:153:29:5110:3015:22
11:18
+0:01
21M
21.00 mi15:01:213:42:5710:3713:06
13:06
+1:48
35K
21.75 mi15:10:323:52:0810:409:11
12:17
-0:49
23M
23.00 mi15:24:344:06:1010:4214:02
11:12
-1:05
24M
24.00 mi15:36:054:17:4110:4411:31
11:31
+0:19
40K
24.85 mi15:44:594:26:3510:448:54
10:25
-1:06
25.2M
25.20 mi15:49:154:30:5110:454:16
12:22
+1:57
Finish
26.22 mi15:59:414:41:1710:4410:26
10:14
-2:08

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

9:43 /mi

Average Pace

10:44 /mi

Slowest Pace

13:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:46

28% of race

Time at Steady Pace

1:54:01

41% of race

Time at Slower Pace

1:28:30

31% of race

Average Pace: 10:44 /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 mi11:49:0230:389:5230:38
9:52
#25238
10K
6.21 mi12:21:181:02:5410:0732:16
10:23
#25704
15K
9.32 mi12:52:221:33:5810:0531:04
10:00
#25496
20K
12.43 mi13:25:072:06:4310:1232:45
10:32
#25428
Half
13.11 mi13:31:452:13:2110:106:38
9:43
#25359
25K
15.53 mi13:57:492:39:2510:1626:04
10:45
#25244
30K
18.64 mi14:32:533:14:2910:2635:04
11:17
#25099
20M
20.00 mi14:48:153:29:5110:3015:22
11:18
#25055
21M
21.00 mi15:01:213:42:5710:3713:06
13:06
#25081
35K
21.75 mi15:10:323:52:0810:409:11
12:17
#25140
23M
23.00 mi15:24:344:06:1010:4214:02
11:12
#25087
24M
24.00 mi15:36:054:17:4110:4411:31
11:31
#25067
40K
24.85 mi15:44:594:26:3510:448:54
10:25
#24969
25.2M
25.20 mi15:49:154:30:5110:454:16
12:22
#24964
Finish
26.22 mi15:59:414:41:1710:4410:26
10:14
#24938
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi25238148351483524988(Top 88%)14718(Top 91%)14718(Top 893%)
10K6.21 mi3.10 mi25704-46615035-20015035-20026071(Top 92%)15174(Top 94%)15174(Top 921%)
15K9.32 mi3.11 mi25496+20814940+9514940+9524988(Top 88%)14718(Top 91%)14718(Top 893%)
20K12.43 mi3.11 mi25428+6814892+4814892+4825261(Top 89%)14786(Top 92%)14786(Top 897%)
Half13.11 mi0.68 mi25359+6914858+3414858+3424160(Top 85%)14309(Top 89%)14309(Top 868%)
25K15.53 mi2.42 mi25244+11514793+6514793+6524812(Top 87%)14563(Top 90%)14563(Top 884%)
30K18.64 mi3.11 mi25099+14514699+9414699+9424524(Top 86%)14320(Top 89%)14320(Top 869%)
20M20.00 mi1.36 mi25055+4414670+2914670+2924200(Top 85%)14077(Top 87%)14077(Top 854%)
21M21.00 mi1.00 mi25081-26146701467025171(Top 89%)14457(Top 90%)14457(Top 877%)
35K21.75 mi0.75 mi25140-5914680-1014680-1026219(Top 92%)14945(Top 93%)14945(Top 907%)
23M23.00 mi1.25 mi25087+5314645+3514645+3523691(Top 83%)13688(Top 85%)13688(Top 831%)
24M24.00 mi1.00 mi25067+2014629+1614629+1624927(Top 88%)14269(Top 89%)14269(Top 866%)
40K24.85 mi0.85 mi24969+9814567+6214567+6221668(Top 76%)12597(Top 78%)12597(Top 764%)
25.2M25.20 mi0.35 mi24964+514564+314564+323948(Top 84%)13750(Top 85%)13750(Top 834%)
Finish26.22 mi1.02 mi24938+2614545+1914545+1923630(Top 83%)13582(Top 84%)13582(Top 824%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

24988

Males

14718

M55-59

14718

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26071

Males

15174

M55-59

15174

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

24988

Males

14718

M55-59

14718

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25261

Males

14786

M55-59

14786

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24160

Males

14309

M55-59

14309

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24812

Males

14563

M55-59

14563

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24524

Males

14320

M55-59

14320

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24200

Males

14077

M55-59

14077

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25171

Males

14457

M55-59

14457

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26219

Males

14945

M55-59

14945

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23691

Males

13688

M55-59

13688

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

24927

Males

14269

M55-59

14269

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21668

Males

12597

M55-59

12597

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23948

Males

13750

M55-59

13750

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23630

Males

13582

M55-59

13582

Passing Analysis

Category:
Athletes Passed
1304
Passed By
1004
Net Change
+300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25238
5K → 10K67533-466#25238#25704
10K → 15K24638+208#25704#25496
15K → 20K15587+68#25496#25428
20K → Half690+69#25428#25359
Half → 25K16045+115#25359#25244
25K → 30K20156+145#25244#25099
30K → 20M7935+44#25099#25055
20M → 21M4167-26#25055#25081
21M → 35K1473-59#25081#25140
35K → 23M6512+53#25140#25087
23M → 24M4020+20#25087#25067
24M → 40K1035+98#25067#24969
40K → 25.2M1712+5#24969#24964
25.2M → Finish4721+26#24964#24938
TOTALS13041004+300
📊

Passing Visuals

Category:
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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