Boston Marathon logo
BOSTON MARATHON 2023

Aiman Scullion

Bib: 1245•M

OH

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 0.9%
Gender (Male)
#0 / 15176
Top 1%
Division (M18-39)
#0 / 5285
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:02
Rank: #393
Start → 5K
18:02 | 5:48/mi
10K· 6.21 mi
35:33
Rank: #321 (+72)
5K → 10K
17:31 | 5:38/mi
15K· 9.32 mi
53:08
Rank: #277 (+44)
10K → 15K
17:35 | 5:40/mi
20K· 12.43 mi
1:10:54
Rank: #261 (+16)
15K → 20K
17:46 | 5:43/mi
Half· 13.11 mi
1:14:47
Rank: #260 (+1)
20K → Half
3:53 | 5:42/mi
25K· 15.53 mi
1:28:37
Rank: #244 (+16)
Half → 25K
13:50 | 5:42/mi
30K· 18.64 mi
1:46:44
Rank: #217 (+27)
25K → 30K
18:07 | 5:50/mi
20M
1:54:56
Rank: #226 (-9)
30K → 20M
8:12 | 6:02/mi
21M
2:01:27
Rank: #245 (-19)
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:05:55
Rank: #250 (-5)
21M → 35K
4:28 | 5:58/mi
23M
2:13:29
Rank: #242 (+8)
35K → 23M
7:34 | 6:03/mi
24M
2:19:19
Rank: #236 (+6)
23M → 24M
5:50 | 5:50/mi
40K· 24.85 mi
2:24:35
Rank: #237 (-1)
24M → 40K
5:16 | 6:10/mi
25.2M
2:26:51
Rank: #235 (+2)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:32:57
Rank: #235
25.2M → Finish
6:06 | 5:59/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
Time1:14:47
Pace5:42 /mi
2nd Half
Distance13.11 mi
Time1:18:10
Pace5:58 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2418:025:4818:02
5:48
-
10K
6.21 mi10:35:5535:335:4317:31
5:38
-0:10
15K
9.32 mi10:53:3053:085:4217:35
5:40
+0:02
20K
12.43 mi11:11:161:10:545:4217:46
5:43
+0:03
Half
13.11 mi11:15:091:14:475:423:53
5:42
-0:01
25K
15.53 mi11:28:591:28:375:4213:50
5:42
0:00
30K
18.64 mi11:47:061:46:445:4418:07
5:50
+0:08
20M
20.00 mi11:55:181:54:565:458:12
6:02
+0:12
21M
21.00 mi12:01:492:01:275:476:31
6:31
+0:29
35K
21.75 mi12:06:172:05:555:474:28
5:58
-0:33
23M
23.00 mi12:13:512:13:295:487:34
6:03
+0:05
24M
24.00 mi12:19:412:19:195:485:50
5:50
-0:13
40K
24.85 mi12:24:572:24:355:495:16
6:10
+0:20
25.2M
25.20 mi12:27:132:26:515:502:16
6:34
+0:24
Finish
26.22 mi12:33:192:32:575:506:06
5:59
-0:35

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

5:38 /mi

Average Pace

5:50 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:10

94% of race

Time at Steady Pace

8:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:50 /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 mi10:18:2418:025:4818:02
5:48
#393
10K
6.21 mi10:35:5535:335:4317:31
5:38
#321
15K
9.32 mi10:53:3053:085:4217:35
5:40
#277
20K
12.43 mi11:11:161:10:545:4217:46
5:43
#261
Half
13.11 mi11:15:091:14:475:423:53
5:42
#260
25K
15.53 mi11:28:591:28:375:4213:50
5:42
#244
30K
18.64 mi11:47:061:46:445:4418:07
5:50
#217
20M
20.00 mi11:55:181:54:565:458:12
6:02
#226
21M
21.00 mi12:01:492:01:275:476:31
6:31
#245
35K
21.75 mi12:06:172:05:555:474:28
5:58
#250
23M
23.00 mi12:13:512:13:295:487:34
6:03
#242
24M
24.00 mi12:19:412:19:195:485:50
5:50
#236
40K
24.85 mi12:24:572:24:355:495:16
6:10
#237
25.2M
25.20 mi12:27:132:26:515:502:16
6:34
#235
Finish
26.22 mi12:33:192:32:575:506:06
5:59
#235
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi393358358198(Top 0.7%)170(Top 1%)170(Top 3%)
10K6.21 mi3.10 mi321+72291+67291+67231(Top 0.9%)203(Top 1%)203(Top 4%)
15K9.32 mi3.11 mi277+44249+42249+42198(Top 0.7%)170(Top 1%)170(Top 3%)
20K12.43 mi3.11 mi261+16233+16233+16212(Top 0.8%)187(Top 1%)187(Top 4%)
Half13.11 mi0.68 mi260+1232+1232+1268(Top 1%)246(Top 2%)246(Top 5%)
25K15.53 mi2.42 mi244+16217+15217+15179(Top 0.7%)157(Top 1%)157(Top 3%)
30K18.64 mi3.11 mi217+27193+24193+24179(Top 0.7%)156(Top 1%)156(Top 3%)
20M20.00 mi1.36 mi226-9202-9202-9374(Top 1%)344(Top 2%)344(Top 7%)
21M21.00 mi1.00 mi245-19219-17219-17664(Top 2%)625(Top 4%)625(Top 12%)
35K21.75 mi0.75 mi250-5224-5224-5606(Top 2%)568(Top 4%)568(Top 11%)
23M23.00 mi1.25 mi242+8216+8216+8351(Top 1%)325(Top 2%)325(Top 6%)
24M24.00 mi1.00 mi236+6211+5211+5291(Top 1%)265(Top 2%)265(Top 5%)
40K24.85 mi0.85 mi237-1212-1212-1576(Top 2%)542(Top 4%)542(Top 10%)
25.2M25.20 mi0.35 mi235+2210+2210+2584(Top 2%)551(Top 4%)551(Top 10%)
Finish26.22 mi1.02 mi235209+1209+1674(Top 3%)643(Top 4%)643(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.7%
×21stories
+97ft-345ft

Overall

198

Males

170

M18-39

170

5K→10K

3.1 - 6.2 mi

Top 0.9%
×5stories
+79ft-138ft

Overall

231

Males

203

M18-39

203

10K→15K

6.2 - 9.3 mi

Top 0.7%
×3stories
+67ft-78ft

Overall

198

Males

170

M18-39

170

15K→20K

9.3 - 12.4 mi

Top 0.8%
×5stories
+106ft-86ft

Overall

212

Males

187

M18-39

187

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

268

Males

246

M18-39

246

Half→25K

13.1 - 15.5 mi

Top 0.7%
×4stories
+66ft-88ft

Overall

179

Males

157

M18-39

157

25K→30K

15.5 - 18.6 mi

Top 0.7%
×9stories
+181ft-148ft

Overall

179

Males

156

M18-39

156

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

374

Males

344

M18-39

344

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

664

Males

625

M18-39

625

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

606

Males

568

M18-39

568

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

351

Males

325

M18-39

325

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

291

Males

265

M18-39

265

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

576

Males

542

M18-39

542

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

584

Males

551

M18-39

551

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

674

Males

643

M18-39

643

Passing Analysis

Category:
Athletes Passed
227
Passed By
69
Net Change
+158
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#393
5K → 10K731+72#393#321
10K → 15K451+44#321#277
15K → 20K193+16#277#261
20K → Half21+1#261#260
Half → 25K171+16#260#244
25K → 30K270+27#244#217
30K → 20M413-9#217#226
20M → 21M524-19#226#245
21M → 35K27-5#245#250
35K → 23M113+8#250#242
23M → 24M104+6#242#236
24M → 40K67-1#236#237
40K → 25.2M31+2#237#235
25.2M → Finish330#235#235
TOTALS22769+158
📊

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