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BOSTON MARATHON 2025

Alec Dunkel

Bib: 3917•M

WI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 38%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:47
Rank: #5349
Start → 5K
20:47 | 6:41/mi
10K· 6.21 mi
41:53
Rank: #5746 (-397)
5K → 10K
21:06 | 6:47/mi
15K· 9.32 mi
1:03:21
Rank: #6167 (-421)
10K → 15K
21:28 | 6:55/mi
20K· 12.43 mi
1:24:51
Rank: #6193 (-26)
15K → 20K
21:30 | 6:55/mi
Half· 13.11 mi
1:29:31
Rank: #6204 (-11)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:46
Rank: #6355 (-151)
Half → 25K
17:15 | 7:07/mi
30K· 18.64 mi
2:10:28
Rank: #6652 (-297)
25K → 30K
23:42 | 7:38/mi
20M
2:21:16
Rank: #6783 (-131)
30K → 20M
10:48 | 7:57/mi
21M
2:29:25
Rank: #6784 (-1)
20M → 21M
8:09 | 8:09/mi
35K· 21.75 mi
2:35:19
Rank: #6936 (-152)
21M → 35K
5:54 | 7:53/mi
23M
2:45:31
Rank: #7081 (-145)
35K → 23M
10:12 | 8:09/mi
24M
2:53:24
Rank: #7164 (-83)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:00:07
Rank: #7192 (-28)
24M → 40K
6:43 | 7:51/mi
25.2M
3:02:58
Rank: #7179 (+13)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:10:24
Rank: #7171 (+8)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:31
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:40:53
Pace7:42 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0120:476:4120:47
6:41
-
10K
6.21 mi10:44:0741:536:4421:06
6:47
+0:06
15K
9.32 mi11:05:351:03:216:4821:28
6:55
+0:08
20K
12.43 mi11:27:051:24:516:5021:30
6:55
0:00
Half
13.11 mi11:31:451:29:316:504:40
6:50
-0:05
25K
15.53 mi11:49:001:46:466:5217:15
7:07
+0:17
30K
18.64 mi12:12:422:10:287:0023:42
7:38
+0:31
20M
20.00 mi12:23:302:21:167:0410:48
7:57
+0:19
21M
21.00 mi12:31:392:29:257:078:09
8:09
+0:12
35K
21.75 mi12:37:332:35:197:085:54
7:53
-0:16
23M
23.00 mi12:47:452:45:317:1210:12
8:09
+0:16
24M
24.00 mi12:55:382:53:247:147:53
7:53
-0:16
40K
24.85 mi13:02:213:00:077:156:43
7:51
-0:02
25.2M
25.20 mi13:05:123:02:587:162:51
8:16
+0:25
Finish
26.22 mi13:12:383:10:247:167:26
7:18
-0:58

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

6:41 /mi

Average Pace

7:16 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:12

60% of race

Time at Steady Pace

44:12

23% of race

Time at Slower Pace

32:00

17% of race

Average Pace: 7:16 /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 mi10:23:0120:476:4120:47
6:41
#5349
10K
6.21 mi10:44:0741:536:4421:06
6:47
#5746
15K
9.32 mi11:05:351:03:216:4821:28
6:55
#6167
20K
12.43 mi11:27:051:24:516:5021:30
6:55
#6193
Half
13.11 mi11:31:451:29:316:504:40
6:50
#6204
25K
15.53 mi11:49:001:46:466:5217:15
7:07
#6355
30K
18.64 mi12:12:422:10:287:0023:42
7:38
#6652
20M
20.00 mi12:23:302:21:167:0410:48
7:57
#6783
21M
21.00 mi12:31:392:29:257:078:09
8:09
#6784
35K
21.75 mi12:37:332:35:197:085:54
7:53
#6936
23M
23.00 mi12:47:452:45:317:1210:12
8:09
#7081
24M
24.00 mi12:55:382:53:247:147:53
7:53
#7164
40K
24.85 mi13:02:213:00:077:156:43
7:51
#7192
25.2M
25.20 mi13:05:123:02:587:162:51
8:16
#7179
Finish
26.22 mi13:12:383:10:247:167:26
7:18
#7171
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5349497349737013(Top 25%)6256(Top 39%)6256(Top 111%)
10K6.21 mi3.10 mi5746-3975300-3275300-3276301(Top 22%)5724(Top 36%)5724(Top 101%)
15K9.32 mi3.11 mi6167-4215641-3415641-3417013(Top 25%)6256(Top 39%)6256(Top 111%)
20K12.43 mi3.11 mi6193-265638+35638+36337(Top 22%)5692(Top 35%)5692(Top 101%)
Half13.11 mi0.68 mi6204-115644-65644-66446(Top 23%)5786(Top 36%)5786(Top 103%)
25K15.53 mi2.42 mi6355-1515750-1065750-1067053(Top 25%)6155(Top 38%)6155(Top 109%)
30K18.64 mi3.11 mi6652-2975946-1965946-1968651(Top 30%)6953(Top 43%)6953(Top 123%)
20M20.00 mi1.36 mi6783-1316020-746020-7410055(Top 35%)7565(Top 47%)7565(Top 134%)
21M21.00 mi1.00 mi6784-16000+206000+208224(Top 29%)6375(Top 40%)6375(Top 113%)
35K21.75 mi0.75 mi6936-1526096-966096-9611390(Top 40%)8024(Top 50%)8024(Top 142%)
23M23.00 mi1.25 mi7081-1456151-556151-5510989(Top 39%)7734(Top 48%)7734(Top 137%)
24M24.00 mi1.00 mi7164-836173-226173-2210399(Top 37%)7366(Top 46%)7366(Top 131%)
40K24.85 mi0.85 mi7192-286162+116162+119128(Top 32%)6575(Top 41%)6575(Top 117%)
25.2M25.20 mi0.35 mi7179+136141+216141+217363(Top 26%)5528(Top 34%)5528(Top 98%)
Finish26.22 mi1.02 mi7171+86110+316110+317704(Top 27%)5733(Top 36%)5733(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7013

Males

6256

M18-39

6256

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6301

Males

5724

M18-39

5724

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7013

Males

6256

M18-39

6256

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6337

Males

5692

M18-39

5692

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6446

Males

5786

M18-39

5786

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7053

Males

6155

M18-39

6155

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8651

Males

6953

M18-39

6953

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

10055

Males

7565

M18-39

7565

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8224

Males

6375

M18-39

6375

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11390

Males

8024

M18-39

8024

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10989

Males

7734

M18-39

7734

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10399

Males

7366

M18-39

7366

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9128

Males

6575

M18-39

6575

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7363

Males

5528

M18-39

5528

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7704

Males

5733

M18-39

5733

Passing Analysis

Category:
Athletes Passed
855
Passed By
2677
Net Change
-1822
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5349
5K → 10K53450-397#5349#5746
10K → 15K53474-421#5746#6167
15K → 20K143169-26#6167#6193
20K → Half2637-11#6193#6204
Half → 25K78229-151#6204#6355
25K → 30K102399-297#6355#6652
30K → 20M50181-131#6652#6783
20M → 21M8687-1#6783#6784
21M → 35K22174-152#6784#6936
35K → 23M51196-145#6936#7081
23M → 24M47130-83#7081#7164
24M → 40K5179-28#7164#7192
40K → 25.2M3421+13#7192#7179
25.2M → Finish5951+8#7179#7171
TOTALS8552677-1822
📊

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