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BOSTON MARATHON 2025

Derek Knabe

Bib: 2955•M

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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 30%
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
21:11
Rank: #6446
Start → 5K
21:11 | 6:49/mi
10K· 6.21 mi
41:13
Rank: #4755 (+1691)
5K → 10K
20:02 | 6:27/mi
15K· 9.32 mi
1:01:14
Rank: #4171 (+584)
10K → 15K
20:01 | 6:27/mi
20K· 12.43 mi
1:21:22
Rank: #3809 (+362)
15K → 20K
20:08 | 6:29/mi
Half· 13.11 mi
1:25:40
Rank: #3740 (+69)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:41:18
Rank: #3518 (+222)
Half → 25K
15:38 | 6:27/mi
30K· 18.64 mi
2:02:49
Rank: #3592 (-74)
25K → 30K
21:31 | 6:56/mi
20M
2:12:20
Rank: #3583 (+9)
30K → 20M
9:31 | 7:00/mi
21M
2:20:17
Rank: #3724 (-141)
20M → 21M
7:57 | 7:57/mi
35K· 21.75 mi
2:25:26
Rank: #3740 (-16)
21M → 35K
5:09 | 6:53/mi
23M
2:35:06
Rank: #3970 (-230)
35K → 23M
9:40 | 7:43/mi
24M
2:43:09
Rank: #4281 (-311)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
2:53:02
Rank: #5358 (-1077)
24M → 40K
9:53 | 11:34/mi
25.2M
2:55:49
Rank: #5335 (+23)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:02:51
Rank: #5278 (+57)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:40
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:37:11
Pace7:25 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5021:116:4921:11
6:49
-
10K
6.21 mi10:42:5241:136:3820:02
6:27
-0:22
15K
9.32 mi11:02:531:01:146:3420:01
6:27
0:00
20K
12.43 mi11:23:011:21:226:3320:08
6:29
+0:02
Half
13.11 mi11:27:191:25:406:324:18
6:18
-0:11
25K
15.53 mi11:42:571:41:186:3115:38
6:27
+0:09
30K
18.64 mi12:04:282:02:496:3521:31
6:56
+0:29
20M
20.00 mi12:13:592:12:206:379:31
7:00
+0:04
21M
21.00 mi12:21:562:20:176:417:57
7:57
+0:57
35K
21.75 mi12:27:052:25:266:415:09
6:53
-1:04
23M
23.00 mi12:36:452:35:066:459:40
7:43
+0:50
24M
24.00 mi12:44:482:43:096:488:03
8:03
+0:20
40K
24.85 mi12:54:412:53:026:589:53
11:34
+3:31
25.2M
25.20 mi12:57:282:55:496:592:47
8:04
-3:30
Finish
26.22 mi13:04:303:02:516:597:02
6:54
-1:10

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

6:18 /mi

Average Pace

6:59 /mi

Slowest Pace

11:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:24:31

79% of race

Time at Slower Pace

38:20

21% of race

Average Pace: 6:58 /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 mi10:22:5021:116:4921:11
6:49
#6446
10K
6.21 mi10:42:5241:136:3820:02
6:27
#4755
15K
9.32 mi11:02:531:01:146:3420:01
6:27
#4171
20K
12.43 mi11:23:011:21:226:3320:08
6:29
#3809
Half
13.11 mi11:27:191:25:406:324:18
6:18
#3740
25K
15.53 mi11:42:571:41:186:3115:38
6:27
#3518
30K
18.64 mi12:04:282:02:496:3521:31
6:56
#3592
20M
20.00 mi12:13:592:12:206:379:31
7:00
#3583
21M
21.00 mi12:21:562:20:176:417:57
7:57
#3724
35K
21.75 mi12:27:052:25:266:415:09
6:53
#3740
23M
23.00 mi12:36:452:35:066:459:40
7:43
#3970
24M
24.00 mi12:44:482:43:096:488:03
8:03
#4281
40K
24.85 mi12:54:412:53:026:589:53
11:34
#5358
25.2M
25.20 mi12:57:282:55:496:592:47
8:04
#5335
Finish
26.22 mi13:04:303:02:516:597:02
6:54
#5278
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6446587258723200(Top 11%)3046(Top 19%)3046(Top 54%)
10K6.21 mi3.10 mi4755+16914451+14214451+14213357(Top 12%)3188(Top 20%)3188(Top 57%)
15K9.32 mi3.11 mi4171+5843928+5233928+5233200(Top 11%)3046(Top 19%)3046(Top 54%)
20K12.43 mi3.11 mi3809+3623593+3353593+3353011(Top 11%)2865(Top 18%)2865(Top 51%)
Half13.11 mi0.68 mi3740+693531+623531+622534(Top 9%)2423(Top 15%)2423(Top 43%)
25K15.53 mi2.42 mi3518+2223330+2013330+2012603(Top 9%)2477(Top 15%)2477(Top 44%)
30K18.64 mi3.11 mi3592-743393-633393-634249(Top 15%)3902(Top 24%)3902(Top 69%)
20M20.00 mi1.36 mi3583+93381+123381+124119(Top 15%)3772(Top 23%)3772(Top 67%)
21M21.00 mi1.00 mi3724-1413501-1203501-1207042(Top 25%)5693(Top 35%)5693(Top 101%)
35K21.75 mi0.75 mi3740-163514-133514-134603(Top 16%)4081(Top 25%)4081(Top 72%)
23M23.00 mi1.25 mi3970-2303699-1853699-1857983(Top 28%)6139(Top 38%)6139(Top 109%)
24M24.00 mi1.00 mi4281-3113959-2603959-26011549(Top 41%)7914(Top 49%)7914(Top 140%)
40K24.85 mi0.85 mi5358-10774858-8994858-89924227(Top 85%)13882(Top 86%)13882(Top 246%)
25.2M25.20 mi0.35 mi5335+234829+294829+296228(Top 22%)4861(Top 30%)4861(Top 86%)
Finish26.22 mi1.02 mi5278+574773+564773+565076(Top 18%)4164(Top 26%)4164(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3200

Males

3046

M18-39

3046

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3357

Males

3188

M18-39

3188

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3200

Males

3046

M18-39

3046

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3011

Males

2865

M18-39

2865

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2534

Males

2423

M18-39

2423

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2603

Males

2477

M18-39

2477

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4249

Males

3902

M18-39

3902

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4119

Males

3772

M18-39

3772

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

7042

Males

5693

M18-39

5693

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4603

Males

4081

M18-39

4081

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7983

Males

6139

M18-39

6139

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11549

Males

7914

M18-39

7914

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24227

Males

13882

M18-39

13882

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6228

Males

4861

M18-39

4861

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5076

Males

4164

M18-39

4164

Passing Analysis

Category:
Athletes Passed
3284
Passed By
2116
Net Change
+1168
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6446
5K → 10K16932+1691#6446#4755
10K → 15K5851+584#4755#4171
15K → 20K3675+362#4171#3809
20K → Half690+69#3809#3740
Half → 25K2253+222#3740#3518
25K → 30K82156-74#3518#3592
30K → 20M6455+9#3592#3583
20M → 21M16157-141#3583#3724
21M → 35K2541-16#3724#3740
35K → 23M30260-230#3740#3970
23M → 24M14325-311#3970#4281
24M → 40K31080-1077#4281#5358
40K → 25.2M3310+23#5358#5335
25.2M → Finish7821+57#5335#5278
TOTALS32842116+1168
📊

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