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BOSTON MARATHON 2025

Alec Manson

Bib: 4646•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:00
Rank: #3377
Start → 5K
20:00 | 6:26/mi
10K· 6.21 mi
40:03
Rank: #3372 (+5)
5K → 10K
20:03 | 6:27/mi
15K· 9.32 mi
1:00:03
Rank: #3277 (+95)
10K → 15K
20:00 | 6:26/mi
20K· 12.43 mi
1:19:53
Rank: #3030 (+247)
15K → 20K
19:50 | 6:23/mi
Half· 13.11 mi
1:24:11
Rank: #3000 (+30)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:39:46
Rank: #2884 (+116)
Half → 25K
15:35 | 6:26/mi
30K· 18.64 mi
2:00:20
Rank: #2750 (+134)
25K → 30K
20:34 | 6:37/mi
20M
2:09:25
Rank: #2701 (+49)
30K → 20M
9:05 | 6:41/mi
21M
2:16:33
Rank: #2687 (+14)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:21:27
Rank: #2673 (+14)
21M → 35K
4:54 | 6:33/mi
23M
2:30:03
Rank: #2656 (+17)
35K → 23M
8:36 | 6:52/mi
24M
2:36:44
Rank: #2625 (+31)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:42:29
Rank: #2589 (+36)
24M → 40K
5:45 | 6:44/mi
25.2M
2:45:11
Rank: #2620 (-31)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:52:10
Rank: #2665 (-45)
25.2M → Finish
6:59 | 6:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:11
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:27:59
Pace6:43 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1820:006:2620:00
6:26
-
10K
6.21 mi10:43:2140:036:2720:03
6:27
+0:01
15K
9.32 mi11:03:211:00:036:2720:00
6:26
-0:01
20K
12.43 mi11:23:111:19:536:2619:50
6:23
-0:03
Half
13.11 mi11:27:291:24:116:254:18
6:18
-0:05
25K
15.53 mi11:43:041:39:466:2515:35
6:26
+0:08
30K
18.64 mi12:03:382:00:206:2720:34
6:37
+0:11
20M
20.00 mi12:12:432:09:256:289:05
6:41
+0:04
21M
21.00 mi12:19:512:16:336:307:08
7:08
+0:27
35K
21.75 mi12:24:452:21:276:304:54
6:33
-0:35
23M
23.00 mi12:33:212:30:036:318:36
6:52
+0:19
24M
24.00 mi12:40:022:36:446:326:41
6:41
-0:11
40K
24.85 mi12:45:472:42:296:325:45
6:44
+0:03
25.2M
25.20 mi12:48:292:45:116:332:42
7:50
+1:06
Finish
26.22 mi12:55:282:52:106:346:59
6:51
-0:59

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

6:34 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:08

14% of race

Time at Steady Pace

2:02:37

71% of race

Time at Slower Pace

25:25

15% of race

Average Pace: 6:34 /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 mi10:23:1820:006:2620:00
6:26
#3377
10K
6.21 mi10:43:2140:036:2720:03
6:27
#3372
15K
9.32 mi11:03:211:00:036:2720:00
6:26
#3277
20K
12.43 mi11:23:111:19:536:2619:50
6:23
#3030
Half
13.11 mi11:27:291:24:116:254:18
6:18
#3000
25K
15.53 mi11:43:041:39:466:2515:35
6:26
#2884
30K
18.64 mi12:03:382:00:206:2720:34
6:37
#2750
20M
20.00 mi12:12:432:09:256:289:05
6:41
#2701
21M
21.00 mi12:19:512:16:336:307:08
7:08
#2687
35K
21.75 mi12:24:452:21:276:304:54
6:33
#2673
23M
23.00 mi12:33:212:30:036:318:36
6:52
#2656
24M
24.00 mi12:40:022:36:446:326:41
6:41
#2625
40K
24.85 mi12:45:472:42:296:325:45
6:44
#2589
25.2M
25.20 mi12:48:292:45:116:332:42
7:50
#2620
Finish
26.22 mi12:55:282:52:106:346:59
6:51
#2665
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3377320832083178(Top 11%)3024(Top 19%)3024(Top 54%)
10K6.21 mi3.10 mi3372+53202+63202+63398(Top 12%)3227(Top 20%)3227(Top 57%)
15K9.32 mi3.11 mi3277+953115+873115+873178(Top 11%)3024(Top 19%)3024(Top 54%)
20K12.43 mi3.11 mi3030+2472888+2272888+2272447(Top 9%)2335(Top 14%)2335(Top 41%)
Half13.11 mi0.68 mi3000+302859+292859+292577(Top 9%)2466(Top 15%)2466(Top 44%)
25K15.53 mi2.42 mi2884+1162750+1092750+1092507(Top 9%)2385(Top 15%)2385(Top 42%)
30K18.64 mi3.11 mi2750+1342622+1282622+1282506(Top 9%)2374(Top 15%)2374(Top 42%)
20M20.00 mi1.36 mi2701+492572+502572+502406(Top 8%)2273(Top 14%)2273(Top 40%)
21M21.00 mi1.00 mi2687+142559+132559+132840(Top 10%)2634(Top 16%)2634(Top 47%)
35K21.75 mi0.75 mi2673+142544+152544+152743(Top 10%)2541(Top 16%)2541(Top 45%)
23M23.00 mi1.25 mi2656+172523+212523+213064(Top 11%)2803(Top 17%)2803(Top 50%)
24M24.00 mi1.00 mi2625+312492+312492+312916(Top 10%)2656(Top 16%)2656(Top 47%)
40K24.85 mi0.85 mi2589+362457+352457+352510(Top 9%)2292(Top 14%)2292(Top 41%)
25.2M25.20 mi0.35 mi2620-312481-242481-245004(Top 18%)4121(Top 26%)4121(Top 73%)
Finish26.22 mi1.02 mi2665-452522-412522-414802(Top 17%)3986(Top 25%)3986(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3178

Males

3024

M18-39

3024

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3398

Males

3227

M18-39

3227

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3178

Males

3024

M18-39

3024

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2447

Males

2335

M18-39

2335

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2577

Males

2466

M18-39

2466

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2507

Males

2385

M18-39

2385

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2506

Males

2374

M18-39

2374

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2406

Males

2273

M18-39

2273

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2840

Males

2634

M18-39

2634

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2743

Males

2541

M18-39

2541

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3064

Males

2803

M18-39

2803

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2916

Males

2656

M18-39

2656

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2510

Males

2292

M18-39

2292

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5004

Males

4121

M18-39

4121

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4802

Males

3986

M18-39

3986

Passing Analysis

Category:
Athletes Passed
1215
Passed By
503
Net Change
+712
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3377
5K → 10K122117+5#3377#3372
10K → 15K14449+95#3372#3277
15K → 20K2503+247#3277#3030
20K → Half333+30#3030#3000
Half → 25K13519+116#3000#2884
25K → 30K16935+134#2884#2750
30K → 20M7930+49#2750#2701
20M → 21M6046+14#2701#2687
21M → 35K3218+14#2687#2673
35K → 23M6043+17#2673#2656
23M → 24M5423+31#2656#2625
24M → 40K5115+36#2625#2589
40K → 25.2M738-31#2589#2620
25.2M → Finish1964-45#2620#2665
TOTALS1215503+712
📊

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