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BOSTON MARATHON 2025

Alexander Danoff

Bib: 1015•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:16
Rank: #756
Start → 5K
18:16 | 5:53/mi
10K· 6.21 mi
36:46
Rank: #859 (-103)
5K → 10K
18:30 | 5:57/mi
15K· 9.32 mi
55:53
Rank: #1035 (-176)
10K → 15K
19:07 | 6:09/mi
20K· 12.43 mi
1:21:53
Rank: #4072 (-3037)
15K → 20K
26:00 | 8:22/mi
Half· 13.11 mi
1:26:09
Rank: #3954 (+118)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:41:26
Rank: #3570 (+384)
Half → 25K
15:17 | 6:18/mi
30K· 18.64 mi
2:01:01
Rank: #2981 (+589)
25K → 30K
19:35 | 6:18/mi
20M
2:09:37
Rank: #2767 (+214)
30K → 20M
8:36 | 6:20/mi
21M
2:16:23
Rank: #2635 (+132)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:21:03
Rank: #2559 (+76)
21M → 35K
4:40 | 6:14/mi
23M
2:29:10
Rank: #2446 (+113)
35K → 23M
8:07 | 6:29/mi
24M
2:35:29
Rank: #2360 (+86)
23M → 24M
6:19 | 6:19/mi
40K· 24.85 mi
2:40:58
Rank: #2291 (+69)
24M → 40K
5:29 | 6:25/mi
25.2M
2:43:17
Rank: #2241 (+50)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:49:25
Rank: #2150 (+91)
25.2M → Finish
6:08 | 6:01/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:09
Pace6:34 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:23:16
Pace6:21 /mi
📊Negative Split: 3.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3418:165:5318:16
5:53
-
10K
6.21 mi10:37:0436:465:5518:30
5:57
+0:04
15K
9.32 mi10:56:1155:536:0019:07
6:09
+0:12
20K
12.43 mi11:22:111:21:536:3526:00
8:22
+2:13
Half
13.11 mi11:26:271:26:096:344:16
6:15
-2:07
25K
15.53 mi11:41:441:41:266:3215:17
6:18
+0:03
30K
18.64 mi12:01:192:01:016:3019:35
6:18
0:00
20M
20.00 mi12:09:552:09:376:298:36
6:20
+0:02
21M
21.00 mi12:16:412:16:236:306:46
6:46
+0:26
35K
21.75 mi12:21:212:21:036:294:40
6:14
-0:32
23M
23.00 mi12:29:282:29:106:298:07
6:29
+0:15
24M
24.00 mi12:35:472:35:296:296:19
6:19
-0:10
40K
24.85 mi12:41:162:40:586:295:29
6:25
+0:06
25.2M
25.20 mi12:43:352:43:176:292:19
6:43
+0:18
Finish
26.22 mi12:49:432:49:256:286:08
6:01
-0:42

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

5:53 /mi

Average Pace

6:28 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:46

22% of race

Time at Steady Pace

1:37:34

58% of race

Time at Slower Pace

35:05

21% of race

Average Pace: 6:28 /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 mi10:18:3418:165:5318:16
5:53
#756
10K
6.21 mi10:37:0436:465:5518:30
5:57
#859
15K
9.32 mi10:56:1155:536:0019:07
6:09
#1035
20K
12.43 mi11:22:111:21:536:3526:00
8:22
#4072
Half
13.11 mi11:26:271:26:096:344:16
6:15
#3954
25K
15.53 mi11:41:441:41:266:3215:17
6:18
#3570
30K
18.64 mi12:01:192:01:016:3019:35
6:18
#2981
20M
20.00 mi12:09:552:09:376:298:36
6:20
#2767
21M
21.00 mi12:16:412:16:236:306:46
6:46
#2635
35K
21.75 mi12:21:212:21:036:294:40
6:14
#2559
23M
23.00 mi12:29:282:29:106:298:07
6:29
#2446
24M
24.00 mi12:35:472:35:296:296:19
6:19
#2360
40K
24.85 mi12:41:162:40:586:295:29
6:25
#2291
25.2M
25.20 mi12:43:352:43:176:292:19
6:43
#2241
Finish
26.22 mi12:49:432:49:256:286:08
6:01
#2150
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7567047041618(Top 6%)1535(Top 10%)1535(Top 27%)
10K6.21 mi3.10 mi859-103805-101805-101978(Top 3%)923(Top 6%)923(Top 16%)
15K9.32 mi3.11 mi1035-176976-171976-1711618(Top 6%)1535(Top 10%)1535(Top 27%)
20K12.43 mi3.11 mi4072-30373832-28563832-285617337(Top 61%)11317(Top 70%)11317(Top 201%)
Half13.11 mi0.68 mi3954+1183723+1093723+1092222(Top 8%)2123(Top 13%)2123(Top 38%)
25K15.53 mi2.42 mi3570+3843376+3473376+3471868(Top 7%)1776(Top 11%)1776(Top 31%)
30K18.64 mi3.11 mi2981+5892840+5362840+5361220(Top 4%)1151(Top 7%)1151(Top 20%)
20M20.00 mi1.36 mi2767+2142635+2052635+2051044(Top 4%)986(Top 6%)986(Top 17%)
21M21.00 mi1.00 mi2635+1322510+1252510+1251419(Top 5%)1339(Top 8%)1339(Top 24%)
35K21.75 mi0.75 mi2559+762437+732437+731383(Top 5%)1310(Top 8%)1310(Top 23%)
23M23.00 mi1.25 mi2446+1132328+1092328+1091407(Top 5%)1324(Top 8%)1324(Top 23%)
24M24.00 mi1.00 mi2360+862246+822246+821360(Top 5%)1272(Top 8%)1272(Top 23%)
40K24.85 mi0.85 mi2291+692178+682178+681294(Top 5%)1201(Top 7%)1201(Top 21%)
25.2M25.20 mi0.35 mi2241+502128+502128+50810(Top 3%)753(Top 5%)753(Top 13%)
Finish26.22 mi1.02 mi2150+912040+882040+88962(Top 3%)904(Top 6%)904(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1618

Males

1535

M18-39

1535

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

978

Males

923

M18-39

923

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1618

Males

1535

M18-39

1535

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17337

Males

11317

M18-39

11317

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2222

Males

2123

M18-39

2123

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1868

Males

1776

M18-39

1776

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1220

Males

1151

M18-39

1151

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1044

Males

986

M18-39

986

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1419

Males

1339

M18-39

1339

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1383

Males

1310

M18-39

1310

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1407

Males

1324

M18-39

1324

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1360

Males

1272

M18-39

1272

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1294

Males

1201

M18-39

1201

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

810

Males

753

M18-39

753

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

962

Males

904

M18-39

904

Passing Analysis

Category:
Athletes Passed
1969
Passed By
3363
Net Change
-1394
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#756
5K → 10K17120-103#756#859
10K → 15K4180-176#859#1035
15K → 20K03037-3037#1035#4072
20K → Half1180+118#4072#3954
Half → 25K3862+384#3954#3570
25K → 30K5890+589#3570#2981
30K → 20M2140+214#2981#2767
20M → 21M1364+132#2767#2635
21M → 35K782+76#2635#2559
35K → 23M1207+113#2559#2446
23M → 24M926+86#2446#2360
24M → 40K712+69#2360#2291
40K → 25.2M500+50#2291#2241
25.2M → Finish943+91#2241#2150
TOTALS19693363-1394
📊

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