Boston Marathon logo
BOSTON MARATHON 2024

Aj Merrill

Bib: 2244•M

MD

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 8%
Gender (Male)
#0 / 14578
Top 13%
Division (M18-39)
#0 / 4849
Top 31%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:03
Rank: #1348
Start → 5K
19:03 | 6:08/mi
10K· 6.21 mi
38:04
Rank: #1285 (+63)
5K → 10K
19:01 | 6:07/mi
15K· 9.32 mi
56:56
Rank: #1145 (+140)
10K → 15K
18:52 | 6:04/mi
20K· 12.43 mi
1:16:11
Rank: #1105 (+40)
15K → 20K
19:15 | 6:12/mi
Half· 13.11 mi
1:20:22
Rank: #1098 (+7)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:36:18
Rank: #1200 (-102)
Half → 25K
15:56 | 6:34/mi
30K· 18.64 mi
1:57:34
Rank: #1312 (-112)
25K → 30K
21:16 | 6:51/mi
20M
2:07:16
Rank: #1364 (-52)
30K → 20M
9:42 | 7:08/mi
21M
2:15:04
Rank: #1436 (-72)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:20:33
Rank: #1491 (-55)
21M → 35K
5:29 | 7:20/mi
23M
2:30:23
Rank: #1657 (-166)
35K → 23M
9:50 | 7:51/mi
24M
2:38:06
Rank: #1757 (-100)
23M → 24M
7:43 | 7:43/mi
40K· 24.85 mi
2:45:11
Rank: #1907 (-150)
24M → 40K
7:05 | 8:17/mi
25.2M
2:48:21
Rank: #1954 (-47)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
2:56:07
Rank: #2069 (-115)
25.2M → Finish
7:46 | 7:37/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:22
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:35:45
Pace7:18 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3519:036:0819:03
6:08
-
10K
6.21 mi10:39:3638:046:0819:01
6:07
-0:01
15K
9.32 mi10:58:2856:566:0718:52
6:04
-0:03
20K
12.43 mi11:17:431:16:116:0819:15
6:12
+0:08
Half
13.11 mi11:21:541:20:226:084:11
6:08
-0:04
25K
15.53 mi11:37:501:36:186:1215:56
6:34
+0:26
30K
18.64 mi11:59:061:57:346:1821:16
6:51
+0:17
20M
20.00 mi12:08:482:07:166:229:42
7:08
+0:17
21M
21.00 mi12:16:362:15:046:267:48
7:48
+0:40
35K
21.75 mi12:22:052:20:336:285:29
7:20
-0:28
23M
23.00 mi12:31:552:30:236:329:50
7:51
+0:31
24M
24.00 mi12:39:382:38:066:357:43
7:43
-0:08
40K
24.85 mi12:46:432:45:116:397:05
8:17
+0:34
25.2M
25.20 mi12:49:532:48:216:413:10
9:11
+0:54
Finish
26.22 mi12:57:392:56:076:437:46
7:37
-1:34

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

6:04 /mi

Average Pace

6:43 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:18

55% of race

Time at Steady Pace

36:27

21% of race

Time at Slower Pace

43:22

25% of race

Average Pace: 6:43 /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 mi10:20:3519:036:0819:03
6:08
#1348
10K
6.21 mi10:39:3638:046:0819:01
6:07
#1285
15K
9.32 mi10:58:2856:566:0718:52
6:04
#1145
20K
12.43 mi11:17:431:16:116:0819:15
6:12
#1105
Half
13.11 mi11:21:541:20:226:084:11
6:08
#1098
25K
15.53 mi11:37:501:36:186:1215:56
6:34
#1200
30K
18.64 mi11:59:061:57:346:1821:16
6:51
#1312
20M
20.00 mi12:08:482:07:166:229:42
7:08
#1364
21M
21.00 mi12:16:362:15:046:267:48
7:48
#1436
35K
21.75 mi12:22:052:20:336:285:29
7:20
#1491
23M
23.00 mi12:31:552:30:236:329:50
7:51
#1657
24M
24.00 mi12:39:382:38:066:357:43
7:43
#1757
40K
24.85 mi12:46:432:45:116:397:05
8:17
#1907
25.2M
25.20 mi12:49:532:48:216:413:10
9:11
#1954
Finish
26.22 mi12:57:392:56:076:437:46
7:37
#2069
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi134813021302976(Top 4%)940(Top 6%)940(Top 19%)
10K6.21 mi3.10 mi1285+631245+571245+571224(Top 5%)1185(Top 8%)1185(Top 24%)
15K9.32 mi3.11 mi1145+1401106+1391106+139976(Top 4%)940(Top 6%)940(Top 19%)
20K12.43 mi3.11 mi1105+401067+391067+391061(Top 4%)1024(Top 7%)1024(Top 21%)
Half13.11 mi0.68 mi1098+71061+61061+61127(Top 4%)1092(Top 7%)1092(Top 23%)
25K15.53 mi2.42 mi1200-1021161-1001161-1002049(Top 8%)1966(Top 13%)1966(Top 41%)
30K18.64 mi3.11 mi1312-1121267-1061267-1062107(Top 8%)1995(Top 14%)1995(Top 41%)
20M20.00 mi1.36 mi1364-521316-491316-492896(Top 11%)2653(Top 18%)2653(Top 55%)
21M21.00 mi1.00 mi1436-721382-661382-663440(Top 13%)3046(Top 21%)3046(Top 63%)
35K21.75 mi0.75 mi1491-551436-541436-544239(Top 17%)3614(Top 25%)3614(Top 75%)
23M23.00 mi1.25 mi1657-1661590-1541590-1545029(Top 20%)3983(Top 27%)3983(Top 82%)
24M24.00 mi1.00 mi1757-1001684-941684-945079(Top 20%)3933(Top 27%)3933(Top 81%)
40K24.85 mi0.85 mi1907-1501822-1381822-1387212(Top 28%)4954(Top 34%)4954(Top 102%)
25.2M25.20 mi0.35 mi1954-471865-431865-437292(Top 29%)4918(Top 34%)4918(Top 101%)
Finish26.22 mi1.02 mi2069-1151965-1001965-1006239(Top 24%)4448(Top 31%)4448(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

976

Males

940

M18-39

940

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1224

Males

1185

M18-39

1185

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

976

Males

940

M18-39

940

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1061

Males

1024

M18-39

1024

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1127

Males

1092

M18-39

1092

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2049

Males

1966

M18-39

1966

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2107

Males

1995

M18-39

1995

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2896

Males

2653

M18-39

2653

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3440

Males

3046

M18-39

3046

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4239

Males

3614

M18-39

3614

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5029

Males

3983

M18-39

3983

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5079

Males

3933

M18-39

3933

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7212

Males

4954

M18-39

4954

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7292

Males

4918

M18-39

4918

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6239

Males

4448

M18-39

4448

Passing Analysis

Category:
Athletes Passed
505
Passed By
1226
Net Change
-721
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1348
5K → 10K10441+63#1348#1285
10K → 15K1488+140#1285#1145
15K → 20K6020+40#1145#1105
20K → Half1710+7#1105#1098
Half → 25K28130-102#1098#1200
25K → 30K41153-112#1200#1312
30K → 20M2476-52#1312#1364
20M → 21M2698-72#1364#1436
21M → 35K964-55#1436#1491
35K → 23M12178-166#1491#1657
23M → 24M14114-100#1657#1757
24M → 40K4154-150#1757#1907
40K → 25.2M653-47#1907#1954
25.2M → Finish12127-115#1954#2069
TOTALS5051226-721
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing