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BOSTON MARATHON 2025

Alfonso Knoll

Bib: 2195•M

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:07
Rank: #1617
Start → 5K
19:07 | 6:09/mi
10K· 6.21 mi
38:03
Rank: #1529 (+88)
5K → 10K
18:56 | 6:06/mi
15K· 9.32 mi
56:49
Rank: #1382 (+147)
10K → 15K
18:46 | 6:02/mi
20K· 12.43 mi
1:15:31
Rank: #1220 (+162)
15K → 20K
18:42 | 6:01/mi
Half· 13.11 mi
1:19:34
Rank: #1204 (+16)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:34:00
Rank: #1089 (+115)
Half → 25K
14:26 | 5:57/mi
30K· 18.64 mi
1:52:08
Rank: #865 (+224)
25K → 30K
18:08 | 5:50/mi
20M
2:00:13
Rank: #795 (+70)
30K → 20M
8:05 | 5:57/mi
21M
2:06:18
Rank: #735 (+60)
20M → 21M
6:05 | 6:05/mi
35K· 21.75 mi
2:10:36
Rank: #700 (+35)
21M → 35K
4:18 | 5:45/mi
23M
2:17:58
Rank: #646 (+54)
35K → 23M
7:22 | 5:53/mi
24M
2:23:43
Rank: #612 (+34)
23M → 24M
5:45 | 5:45/mi
40K· 24.85 mi
2:28:43
Rank: #587 (+25)
24M → 40K
5:00 | 5:51/mi
25.2M
2:30:52
Rank: #573 (+14)
40K → 25.2M
2:09 | 6:14/mi
Finish· 26.22 mi
2:36:36
Rank: #542 (+31)
25.2M → Finish
5:44 | 5:38/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:19:34
Pace6:04 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:17:02
Pace5:53 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0019:076:0919:07
6:09
-
10K
6.21 mi10:38:5638:036:0718:56
6:06
-0:03
15K
9.32 mi10:57:4256:496:0618:46
6:02
-0:04
20K
12.43 mi11:16:241:15:316:0518:42
6:01
-0:01
Half
13.11 mi11:20:271:19:346:044:03
5:56
-0:05
25K
15.53 mi11:34:531:34:006:0314:26
5:57
+0:01
30K
18.64 mi11:53:011:52:086:0118:08
5:50
-0:07
20M
20.00 mi12:01:062:00:136:018:05
5:57
+0:07
21M
21.00 mi12:07:112:06:186:016:05
6:05
+0:08
35K
21.75 mi12:11:292:10:366:004:18
5:45
-0:20
23M
23.00 mi12:18:512:17:586:007:22
5:53
+0:08
24M
24.00 mi12:24:362:23:435:595:45
5:45
-0:08
40K
24.85 mi12:29:362:28:435:595:00
5:51
+0:06
25.2M
25.20 mi12:31:452:30:525:592:09
6:14
+0:23
Finish
26.22 mi12:37:292:36:365:595:44
5:38
-0:36

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

5:38 /mi

Average Pace

5:59 /mi

Slowest Pace

6:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:27

99% of race

Time at Steady Pace

2:09

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:58 /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 mi10:20:0019:076:0919:07
6:09
#1617
10K
6.21 mi10:38:5638:036:0718:56
6:06
#1529
15K
9.32 mi10:57:4256:496:0618:46
6:02
#1382
20K
12.43 mi11:16:241:15:316:0518:42
6:01
#1220
Half
13.11 mi11:20:271:19:346:044:03
5:56
#1204
25K
15.53 mi11:34:531:34:006:0314:26
5:57
#1089
30K
18.64 mi11:53:011:52:086:0118:08
5:50
#865
20M
20.00 mi12:01:062:00:136:018:05
5:57
#795
21M
21.00 mi12:07:112:06:186:016:05
6:05
#735
35K
21.75 mi12:11:292:10:366:004:18
5:45
#700
23M
23.00 mi12:18:512:17:586:007:22
5:53
#646
24M
24.00 mi12:24:362:23:435:595:45
5:45
#612
40K
24.85 mi12:29:362:28:435:595:00
5:51
#587
25.2M
25.20 mi12:31:452:30:525:592:09
6:14
#573
Finish
26.22 mi12:37:292:36:365:595:44
5:38
#542
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1617153515351161(Top 4%)1099(Top 7%)1099(Top 19%)
10K6.21 mi3.10 mi1529+881453+821453+821433(Top 5%)1360(Top 8%)1360(Top 24%)
15K9.32 mi3.11 mi1382+1471312+1411312+1411161(Top 4%)1099(Top 7%)1099(Top 19%)
20K12.43 mi3.11 mi1220+1621155+1571155+157906(Top 3%)854(Top 5%)854(Top 15%)
Half13.11 mi0.68 mi1204+161142+131142+13903(Top 3%)853(Top 5%)853(Top 15%)
25K15.53 mi2.42 mi1089+1151028+1141028+114683(Top 2%)635(Top 4%)635(Top 11%)
30K18.64 mi3.11 mi865+224813+215813+215280(Top 1.0%)257(Top 2%)257(Top 5%)
20M20.00 mi1.36 mi795+70745+68745+68327(Top 1%)303(Top 2%)303(Top 5%)
21M21.00 mi1.00 mi735+60687+58687+58182(Top 0.6%)168(Top 1%)168(Top 3%)
35K21.75 mi0.75 mi700+35652+35652+35326(Top 1%)304(Top 2%)304(Top 5%)
23M23.00 mi1.25 mi646+54599+53599+53229(Top 0.8%)213(Top 1%)213(Top 4%)
24M24.00 mi1.00 mi612+34565+34565+34237(Top 0.8%)217(Top 1%)217(Top 4%)
40K24.85 mi0.85 mi587+25541+24541+24234(Top 0.8%)214(Top 1%)214(Top 4%)
25.2M25.20 mi0.35 mi573+14528+13528+13189(Top 0.7%)179(Top 1%)179(Top 3%)
Finish26.22 mi1.02 mi542+31500+28500+28270(Top 1.0%)254(Top 2%)254(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1161

Males

1099

M18-39

1099

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1433

Males

1360

M18-39

1360

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1161

Males

1099

M18-39

1099

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

906

Males

854

M18-39

854

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

903

Males

853

M18-39

853

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

683

Males

635

M18-39

635

25K→30K

15.5 - 18.6 mi

Top 1.0%
×9stories
+181ft-148ft

Overall

280

Males

257

M18-39

257

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

327

Males

303

M18-39

303

20M→21M

20.0 - 21.0 mi

Top 0.6%
×8stories
+106ft-24ft

Overall

182

Males

168

M18-39

168

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

326

Males

304

M18-39

304

35K→23M

21.8 - 23.0 mi

Top 0.8%
×5stories
+23ft-63ft

Overall

229

Males

213

M18-39

213

23M→24M

23.0 - 24.0 mi

Top 0.8%
×6stories
+12ft-82ft

Overall

237

Males

217

M18-39

217

24M→40K

24.0 - 24.9 mi

Top 0.8%
×1story
+6ft-20ft

Overall

234

Males

214

M18-39

214

40K→25.2M

24.9 - 25.2 mi

Top 0.7%
×1story
+13ft-16ft

Overall

189

Males

179

M18-39

179

25.2M→Finish

25.2 - 26.2 mi

Top 1.0%
×2stories
+22ft-21ft

Overall

270

Males

254

M18-39

254

Passing Analysis

Category:
Athletes Passed
1131
Passed By
56
Net Change
+1075
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1617
5K → 10K13648+88#1617#1529
10K → 15K1525+147#1529#1382
15K → 20K1631+162#1382#1220
20K → Half171+16#1220#1204
Half → 25K1150+115#1204#1089
25K → 30K2240+224#1089#865
30K → 20M700+70#865#795
20M → 21M611+60#795#735
21M → 35K350+35#735#700
35K → 23M540+54#700#646
23M → 24M340+34#646#612
24M → 40K250+25#612#587
40K → 25.2M140+14#587#573
25.2M → Finish310+31#573#542
TOTALS113156+1075
📊

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