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BOSTON MARATHON 2025

Aaron Clements

Bib: 5442•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
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
20:58
Rank: #5896
Start → 5K
20:58 | 6:45/mi
10K· 6.21 mi
42:46
Rank: #7028 (-1132)
5K → 10K
21:48 | 7:01/mi
15K· 9.32 mi
1:04:52
Rank: #7500 (-472)
10K → 15K
22:06 | 7:07/mi
20K· 12.43 mi
1:27:25
Rank: #7719 (-219)
15K → 20K
22:33 | 7:15/mi
Half· 13.11 mi
1:32:24
Rank: #7812 (-93)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:50:38
Rank: #8080 (-268)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:15:02
Rank: #8382 (-302)
25K → 30K
24:24 | 7:51/mi
20M
2:25:50
Rank: #8462 (-80)
30K → 20M
10:48 | 7:57/mi
21M
2:34:20
Rank: #8545 (-83)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:40:06
Rank: #8576 (-31)
21M → 35K
5:46 | 7:42/mi
23M
2:50:10
Rank: #8625 (-49)
35K → 23M
10:04 | 8:02/mi
24M
2:57:56
Rank: #8638 (-13)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:04:34
Rank: #8594 (+44)
24M → 40K
6:38 | 7:45/mi
25.2M
3:07:24
Rank: #8534 (+60)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:14:35
Rank: #8407 (+127)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:24
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:42:11
Pace7:48 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0020:586:4520:58
6:45
-
10K
6.21 mi10:46:4842:466:5321:48
7:01
+0:16
15K
9.32 mi11:08:541:04:526:5822:06
7:07
+0:06
20K
12.43 mi11:31:271:27:257:0222:33
7:15
+0:08
Half
13.11 mi11:36:261:32:247:034:59
7:18
+0:03
25K
15.53 mi11:54:401:50:387:0718:14
7:31
+0:13
30K
18.64 mi12:19:042:15:027:1524:24
7:51
+0:20
20M
20.00 mi12:29:522:25:507:1710:48
7:57
+0:06
21M
21.00 mi12:38:222:34:207:218:30
8:30
+0:33
35K
21.75 mi12:44:082:40:067:225:46
7:42
-0:48
23M
23.00 mi12:54:122:50:107:2410:04
8:02
+0:20
24M
24.00 mi13:01:582:57:567:257:46
7:46
-0:16
40K
24.85 mi13:08:363:04:347:266:38
7:45
-0:01
25.2M
25.20 mi13:11:263:07:247:262:50
8:13
+0:28
Finish
26.22 mi13:18:373:14:357:267:11
7:03
-1:10

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

6:45 /mi

Average Pace

7:26 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:35

51% of race

Time at Steady Pace

1:02:48

32% of race

Time at Slower Pace

32:12

17% of race

Average Pace: 7:25 /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 mi10:25:0020:586:4520:58
6:45
#5896
10K
6.21 mi10:46:4842:466:5321:48
7:01
#7028
15K
9.32 mi11:08:541:04:526:5822:06
7:07
#7500
20K
12.43 mi11:31:271:27:257:0222:33
7:15
#7719
Half
13.11 mi11:36:261:32:247:034:59
7:18
#7812
25K
15.53 mi11:54:401:50:387:0718:14
7:31
#8080
30K
18.64 mi12:19:042:15:027:1524:24
7:51
#8382
20M
20.00 mi12:29:522:25:507:1710:48
7:57
#8462
21M
21.00 mi12:38:222:34:207:218:30
8:30
#8545
35K
21.75 mi12:44:082:40:067:225:46
7:42
#8576
23M
23.00 mi12:54:122:50:107:2410:04
8:02
#8625
24M
24.00 mi13:01:582:57:567:257:46
7:46
#8638
40K
24.85 mi13:08:363:04:347:266:38
7:45
#8594
25.2M
25.20 mi13:11:263:07:247:262:50
8:13
#8534
Finish
26.22 mi13:18:373:14:357:267:11
7:03
#8407
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5896543154318415(Top 30%)7188(Top 45%)7188(Top 127%)
10K6.21 mi3.10 mi7028-11326312-8816312-8818025(Top 28%)6988(Top 43%)6988(Top 124%)
15K9.32 mi3.11 mi7500-4726644-3326644-3328415(Top 30%)7188(Top 45%)7188(Top 127%)
20K12.43 mi3.11 mi7719-2196778-1346778-1348680(Top 31%)7268(Top 45%)7268(Top 129%)
Half13.11 mi0.68 mi7812-936836-586836-589950(Top 35%)7972(Top 50%)7972(Top 141%)
25K15.53 mi2.42 mi8080-2686976-1406976-14010109(Top 36%)7934(Top 49%)7934(Top 141%)
30K18.64 mi3.11 mi8382-3027113-1377113-13710298(Top 36%)7834(Top 49%)7834(Top 139%)
20M20.00 mi1.36 mi8462-807126-137126-1310061(Top 35%)7571(Top 47%)7571(Top 134%)
21M21.00 mi1.00 mi8545-837138-127138-1210422(Top 37%)7560(Top 47%)7560(Top 134%)
35K21.75 mi0.75 mi8576-317134+47134+410094(Top 36%)7404(Top 46%)7404(Top 131%)
23M23.00 mi1.25 mi8625-497125+97125+910289(Top 36%)7373(Top 46%)7373(Top 131%)
24M24.00 mi1.00 mi8638-137095+307095+309533(Top 34%)6925(Top 43%)6925(Top 123%)
40K24.85 mi0.85 mi8594+447031+647031+648455(Top 30%)6229(Top 39%)6229(Top 110%)
25.2M25.20 mi0.35 mi8534+606977+546977+547128(Top 25%)5418(Top 34%)5418(Top 96%)
Finish26.22 mi1.02 mi8407+1276878+996878+996061(Top 21%)4769(Top 30%)4769(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8415

Males

7188

M18-39

7188

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

8025

Males

6988

M18-39

6988

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8415

Males

7188

M18-39

7188

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8680

Males

7268

M18-39

7268

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9950

Males

7972

M18-39

7972

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10109

Males

7934

M18-39

7934

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

10298

Males

7834

M18-39

7834

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

10061

Males

7571

M18-39

7571

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10422

Males

7560

M18-39

7560

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

10094

Males

7404

M18-39

7404

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10289

Males

7373

M18-39

7373

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9533

Males

6925

M18-39

6925

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8455

Males

6229

M18-39

6229

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7128

Males

5418

M18-39

5418

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

6061

Males

4769

M18-39

4769

Passing Analysis

Category:
Athletes Passed
999
Passed By
3510
Net Change
-2511
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5896
5K → 10K201152-1132#5896#7028
10K → 15K41513-472#7028#7500
15K → 20K77296-219#7500#7719
20K → Half598-93#7719#7812
Half → 25K58326-268#7812#8080
25K → 30K109411-302#8080#8382
30K → 20M79159-80#8382#8462
20M → 21M65148-83#8462#8545
21M → 35K5182-31#8545#8576
35K → 23M103152-49#8576#8625
23M → 24M7891-13#8625#8638
24M → 40K10460+44#8638#8594
40K → 25.2M7010+60#8594#8534
25.2M → Finish13912+127#8534#8407
TOTALS9993510-2511
📊

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