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BOSTON MARATHON 2025

Alexander Witthus

Bib: 868•M

AZ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 6%
Division (M18-39)
#0 / 5642
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:29
Rank: #327
Start → 5K
17:29 | 5:38/mi
10K· 6.21 mi
35:09
Rank: #362 (-35)
5K → 10K
17:40 | 5:41/mi
15K· 9.32 mi
53:17
Rank: #436 (-74)
10K → 15K
18:08 | 5:50/mi
20K· 12.43 mi
1:13:25
Rank: #755 (-319)
15K → 20K
20:08 | 6:29/mi
Half· 13.11 mi
1:17:24
Rank: #750 (+5)
20K → Half
3:59 | 5:50/mi
25K· 15.53 mi
1:31:47
Rank: #719 (+31)
Half → 25K
14:23 | 5:56/mi
30K· 18.64 mi
1:52:28
Rank: #910 (-191)
25K → 30K
20:41 | 6:39/mi
20M
2:00:56
Rank: #881 (+29)
30K → 20M
8:28 | 6:14/mi
21M
2:09:21
Rank: #1129 (-248)
20M → 21M
8:25 | 8:25/mi
35K· 21.75 mi
2:13:47
Rank: #1092 (+37)
21M → 35K
4:26 | 5:56/mi
23M
2:21:35
Rank: #1028 (+64)
35K → 23M
7:48 | 6:14/mi
24M
2:27:37
Rank: #992 (+36)
23M → 24M
6:02 | 6:02/mi
40K· 24.85 mi
2:33:06
Rank: #986 (+6)
24M → 40K
5:29 | 6:25/mi
25.2M
2:35:28
Rank: #980 (+6)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:41:27
Rank: #951 (+29)
25.2M → Finish
5:59 | 5:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:24
Pace5:54 /mi
2nd Half
Distance13.11 mi
Time1:24:03
Pace6:25 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:3717:295:3817:29
5:38
-
10K
6.21 mi10:35:1735:095:3917:40
5:41
+0:03
15K
9.32 mi10:53:2553:175:4318:08
5:50
+0:09
20K
12.43 mi11:13:331:13:255:5420:08
6:29
+0:39
Half
13.11 mi11:17:321:17:245:543:59
5:50
-0:39
25K
15.53 mi11:31:551:31:475:5514:23
5:56
+0:06
30K
18.64 mi11:52:361:52:286:0220:41
6:39
+0:43
20M
20.00 mi12:01:042:00:566:038:28
6:14
-0:25
21M
21.00 mi12:09:292:09:216:108:25
8:25
+2:11
35K
21.75 mi12:13:552:13:476:094:26
5:56
-2:29
23M
23.00 mi12:21:432:21:356:097:48
6:14
+0:18
24M
24.00 mi12:27:452:27:376:096:02
6:02
-0:12
40K
24.85 mi12:33:142:33:066:105:29
6:25
+0:23
25.2M
25.20 mi12:35:362:35:286:102:22
6:52
+0:27
Finish
26.22 mi12:41:352:41:276:105:59
5:52
-1:00

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

6:10 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:09

22% of race

Time at Steady Pace

1:09:13

43% of race

Time at Slower Pace

57:05

35% 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 mi10:17:3717:295:3817:29
5:38
#327
10K
6.21 mi10:35:1735:095:3917:40
5:41
#362
15K
9.32 mi10:53:2553:175:4318:08
5:50
#436
20K
12.43 mi11:13:331:13:255:5420:08
6:29
#755
Half
13.11 mi11:17:321:17:245:543:59
5:50
#750
25K
15.53 mi11:31:551:31:475:5514:23
5:56
#719
30K
18.64 mi11:52:361:52:286:0220:41
6:39
#910
20M
20.00 mi12:01:042:00:566:038:28
6:14
#881
21M
21.00 mi12:09:292:09:216:108:25
8:25
#1129
35K
21.75 mi12:13:552:13:476:094:26
5:56
#1092
23M
23.00 mi12:21:432:21:356:097:48
6:14
#1028
24M
24.00 mi12:27:452:27:376:096:02
6:02
#992
40K
24.85 mi12:33:142:33:066:105:29
6:25
#986
25.2M
25.20 mi12:35:362:35:286:102:22
6:52
#980
Finish
26.22 mi12:41:352:41:276:105:59
5:52
#951
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi327297297606(Top 2%)564(Top 4%)564(Top 10%)
10K6.21 mi3.10 mi362-35331-34331-34422(Top 1%)388(Top 2%)388(Top 7%)
15K9.32 mi3.11 mi436-74401-70401-70606(Top 2%)564(Top 4%)564(Top 10%)
20K12.43 mi3.11 mi755-319706-305706-3052991(Top 11%)2845(Top 18%)2845(Top 50%)
Half13.11 mi0.68 mi750+5701+5701+5678(Top 2%)635(Top 4%)635(Top 11%)
25K15.53 mi2.42 mi719+31671+30671+30647(Top 2%)600(Top 4%)600(Top 11%)
30K18.64 mi3.11 mi910-191856-185856-1852657(Top 9%)2514(Top 16%)2514(Top 45%)
20M20.00 mi1.36 mi881+29829+27829+27798(Top 3%)753(Top 5%)753(Top 13%)
21M21.00 mi1.00 mi1129-2481064-2351064-2359901(Top 35%)7291(Top 45%)7291(Top 129%)
35K21.75 mi0.75 mi1092+371029+351029+35587(Top 2%)546(Top 3%)546(Top 10%)
23M23.00 mi1.25 mi1028+64967+62967+62732(Top 3%)691(Top 4%)691(Top 12%)
24M24.00 mi1.00 mi992+36934+33934+33640(Top 2%)599(Top 4%)599(Top 11%)
40K24.85 mi0.85 mi986+6928+6928+61279(Top 5%)1186(Top 7%)1186(Top 21%)
25.2M25.20 mi0.35 mi980+6922+6922+61104(Top 4%)1014(Top 6%)1014(Top 18%)
Finish26.22 mi1.02 mi951+29893+29893+29625(Top 2%)587(Top 4%)587(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

606

Males

564

M18-39

564

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

422

Males

388

M18-39

388

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

606

Males

564

M18-39

564

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2991

Males

2845

M18-39

2845

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

678

Males

635

M18-39

635

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

647

Males

600

M18-39

600

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2657

Males

2514

M18-39

2514

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

798

Males

753

M18-39

753

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9901

Males

7291

M18-39

7291

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

587

Males

546

M18-39

546

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

732

Males

691

M18-39

691

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

640

Males

599

M18-39

599

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1279

Males

1186

M18-39

1186

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1104

Males

1014

M18-39

1014

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

625

Males

587

M18-39

587

Passing Analysis

Category:
Athletes Passed
313
Passed By
937
Net Change
-624
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#327
5K → 10K742-35#327#362
10K → 15K781-74#362#436
15K → 20K0319-319#436#755
20K → Half105+5#755#750
Half → 25K376+31#750#719
25K → 30K8199-191#719#910
30K → 20M367+29#910#881
20M → 21M1249-248#881#1129
21M → 35K370+37#1129#1092
35K → 23M684+64#1092#1028
23M → 24M404+36#1028#992
24M → 40K1610+6#992#986
40K → 25.2M115+6#986#980
25.2M → Finish356+29#980#951
TOTALS313937-624
📊

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