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BOSTON MARATHON 2025

Alexander König

Bib: 2845•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:34
Rank: #2425
Start → 5K
19:34 | 6:18/mi
10K· 6.21 mi
38:46
Rank: #2067 (+358)
5K → 10K
19:12 | 6:11/mi
15K· 9.32 mi
58:07
Rank: #2024 (+43)
10K → 15K
19:21 | 6:14/mi
20K· 12.43 mi
1:18:09
Rank: #2192 (-168)
15K → 20K
20:02 | 6:27/mi
Half· 13.11 mi
1:22:25
Rank: #2196 (-4)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:37:38
Rank: #2102 (+94)
Half → 25K
15:13 | 6:17/mi
30K· 18.64 mi
1:58:31
Rank: #2217 (-115)
25K → 30K
20:53 | 6:43/mi
20M
2:07:36
Rank: #2219 (-2)
30K → 20M
9:05 | 6:41/mi
21M
2:14:56
Rank: #2269 (-50)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:19:40
Rank: #2227 (+42)
21M → 35K
4:44 | 6:20/mi
23M
2:27:42
Rank: #2132 (+95)
35K → 23M
8:02 | 6:25/mi
24M
2:34:04
Rank: #2060 (+72)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:39:31
Rank: #1990 (+70)
24M → 40K
5:27 | 6:22/mi
25.2M
2:42:00
Rank: #1987 (+3)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:48:24
Rank: #1949 (+38)
25.2M → Finish
6:24 | 6:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:25
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:25:59
Pace6:34 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3019:346:1819:34
6:18
-
10K
6.21 mi10:39:4238:466:1419:12
6:11
-0:07
15K
9.32 mi10:59:0358:076:1419:21
6:14
+0:03
20K
12.43 mi11:19:051:18:096:1720:02
6:27
+0:13
Half
13.11 mi11:23:211:22:256:174:16
6:15
-0:12
25K
15.53 mi11:38:341:37:386:1715:13
6:17
+0:02
30K
18.64 mi11:59:271:58:316:2120:53
6:43
+0:26
20M
20.00 mi12:08:322:07:366:239:05
6:41
-0:02
21M
21.00 mi12:15:522:14:566:267:20
7:20
+0:39
35K
21.75 mi12:20:362:19:406:254:44
6:20
-1:00
23M
23.00 mi12:28:382:27:426:258:02
6:25
+0:05
24M
24.00 mi12:35:002:34:046:256:22
6:22
-0:03
40K
24.85 mi12:40:272:39:316:255:27
6:22
0:00
25.2M
25.20 mi12:42:562:42:006:262:29
7:12
+0:50
Finish
26.22 mi12:49:202:48:246:266:24
6:17
-0:55

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

6:11 /mi

Average Pace

6:26 /mi

Slowest Pace

7:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:35

94% of race

Time at Steady Pace

2:29

1% of race

Time at Slower Pace

7:20

4% of race

Average Pace: 6:25 /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 mi10:20:3019:346:1819:34
6:18
#2425
10K
6.21 mi10:39:4238:466:1419:12
6:11
#2067
15K
9.32 mi10:59:0358:076:1419:21
6:14
#2024
20K
12.43 mi11:19:051:18:096:1720:02
6:27
#2192
Half
13.11 mi11:23:211:22:256:174:16
6:15
#2196
25K
15.53 mi11:38:341:37:386:1715:13
6:17
#2102
30K
18.64 mi11:59:271:58:316:2120:53
6:43
#2217
20M
20.00 mi12:08:322:07:366:239:05
6:41
#2219
21M
21.00 mi12:15:522:14:566:267:20
7:20
#2269
35K
21.75 mi12:20:362:19:406:254:44
6:20
#2227
23M
23.00 mi12:28:382:27:426:258:02
6:25
#2132
24M
24.00 mi12:35:002:34:046:256:22
6:22
#2060
40K
24.85 mi12:40:272:39:316:255:27
6:22
#1990
25.2M
25.20 mi12:42:562:42:006:262:29
7:12
#1987
Finish
26.22 mi12:49:202:48:246:266:24
6:17
#1949
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2425230923091968(Top 7%)1874(Top 12%)1874(Top 33%)
10K6.21 mi3.10 mi2067+3581972+3371972+3371805(Top 6%)1714(Top 11%)1714(Top 30%)
15K9.32 mi3.11 mi2024+431928+441928+441968(Top 7%)1874(Top 12%)1874(Top 33%)
20K12.43 mi3.11 mi2192-1682093-1652093-1652795(Top 10%)2660(Top 17%)2660(Top 47%)
Half13.11 mi0.68 mi2196-42096-32096-32205(Top 8%)2106(Top 13%)2106(Top 37%)
25K15.53 mi2.42 mi2102+942005+912005+911755(Top 6%)1667(Top 10%)1667(Top 30%)
30K18.64 mi3.11 mi2217-1152113-1082113-1082978(Top 10%)2800(Top 17%)2800(Top 50%)
20M20.00 mi1.36 mi2219-22116-32116-32363(Top 8%)2230(Top 14%)2230(Top 40%)
21M21.00 mi1.00 mi2269-502164-482164-483740(Top 13%)3403(Top 21%)3403(Top 60%)
35K21.75 mi0.75 mi2227+422123+412123+411703(Top 6%)1597(Top 10%)1597(Top 28%)
23M23.00 mi1.25 mi2132+952029+942029+941203(Top 4%)1133(Top 7%)1133(Top 20%)
24M24.00 mi1.00 mi2060+721957+721957+721522(Top 5%)1421(Top 9%)1421(Top 25%)
40K24.85 mi0.85 mi1990+701888+691888+691176(Top 4%)1098(Top 7%)1098(Top 19%)
25.2M25.20 mi0.35 mi1987+31885+31885+32089(Top 7%)1878(Top 12%)1878(Top 33%)
Finish26.22 mi1.02 mi1949+381846+391846+391803(Top 6%)1666(Top 10%)1666(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1968

Males

1874

M18-39

1874

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1805

Males

1714

M18-39

1714

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1968

Males

1874

M18-39

1874

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2795

Males

2660

M18-39

2660

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2205

Males

2106

M18-39

2106

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1755

Males

1667

M18-39

1667

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2978

Males

2800

M18-39

2800

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2363

Males

2230

M18-39

2230

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3740

Males

3403

M18-39

3403

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1703

Males

1597

M18-39

1597

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1203

Males

1133

M18-39

1133

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1522

Males

1421

M18-39

1421

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1176

Males

1098

M18-39

1098

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2089

Males

1878

M18-39

1878

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1803

Males

1666

M18-39

1666

Passing Analysis

Category:
Athletes Passed
1067
Passed By
591
Net Change
+476
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2425
5K → 10K37315+358#2425#2067
10K → 15K8441+43#2067#2024
15K → 20K31199-168#2024#2192
20K → Half1115-4#2192#2196
Half → 25K1017+94#2196#2102
25K → 30K42157-115#2102#2217
30K → 20M3840-2#2217#2219
20M → 21M2878-50#2219#2269
21M → 35K453+42#2269#2227
35K → 23M983+95#2227#2132
23M → 24M797+72#2132#2060
24M → 40K733+70#2060#1990
40K → 25.2M129+3#1990#1987
25.2M → Finish5214+38#1987#1949
TOTALS1067591+476
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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