Boston Marathon logo
BOSTON MARATHON 2023

Stuart Adesilu

Bib: 16082•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 40%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 44%
Division (M55-59)
#0 / 1422
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:14
Rank: #9435
Start → 5K
23:14 | 7:29/mi
10K· 6.21 mi
46:21
Rank: #9648 (-213)
5K → 10K
23:07 | 7:26/mi
15K· 9.32 mi
1:09:19
Rank: #9497 (+151)
10K → 15K
22:58 | 7:24/mi
20K· 12.43 mi
1:32:42
Rank: #9484 (+13)
15K → 20K
23:23 | 7:32/mi
Half· 13.11 mi
1:37:43
Rank: #9451 (+33)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:56:07
Rank: #9430 (+21)
Half → 25K
18:24 | 7:35/mi
30K· 18.64 mi
2:20:28
Rank: #9448 (-18)
25K → 30K
24:21 | 7:50/mi
20M
2:31:19
Rank: #9495 (-47)
30K → 20M
10:51 | 7:59/mi
21M
2:40:15
Rank: #9680 (-185)
20M → 21M
8:56 | 8:56/mi
35K· 21.75 mi
2:46:22
Rank: #9794 (-114)
21M → 35K
6:07 | 8:11/mi
23M
2:57:23
Rank: #10116 (-322)
35K → 23M
11:01 | 8:48/mi
24M
3:05:52
Rank: #10294 (-178)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:13:26
Rank: #10499 (-205)
24M → 40K
7:34 | 8:51/mi
25.2M
3:16:44
Rank: #10573 (-74)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:25:11
Rank: #10711 (-138)
25.2M → Finish
8:27 | 8:18/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
Time1:37:43
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:47:28
Pace8:12 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:3723:147:2923:14
7:29
-
10K
6.21 mi11:36:4446:217:2823:07
7:26
-0:03
15K
9.32 mi11:59:421:09:197:2622:58
7:24
-0:02
20K
12.43 mi12:23:051:32:427:2823:23
7:32
+0:08
Half
13.11 mi12:28:061:37:437:275:01
7:21
-0:11
25K
15.53 mi12:46:301:56:077:2818:24
7:35
+0:14
30K
18.64 mi13:10:512:20:287:3224:21
7:50
+0:15
20M
20.00 mi13:21:422:31:197:3410:51
7:59
+0:09
21M
21.00 mi13:30:382:40:157:388:56
8:56
+0:57
35K
21.75 mi13:36:452:46:227:396:07
8:11
-0:45
23M
23.00 mi13:47:462:57:237:4311:01
8:48
+0:37
24M
24.00 mi13:56:153:05:527:458:29
8:29
-0:19
40K
24.85 mi14:03:493:13:267:477:34
8:51
+0:22
25.2M
25.20 mi14:07:073:16:447:483:18
9:34
+0:43
Finish
26.22 mi14:15:343:25:117:508:27
8:18
-1:16

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

7:21 /mi

Average Pace

7:50 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:07

57% of race

Time at Steady Pace

49:46

24% of race

Time at Slower Pace

39:18

19% of race

Average Pace: 7:50 /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 mi11:13:3723:147:2923:14
7:29
#9435
10K
6.21 mi11:36:4446:217:2823:07
7:26
#9648
15K
9.32 mi11:59:421:09:197:2622:58
7:24
#9497
20K
12.43 mi12:23:051:32:427:2823:23
7:32
#9484
Half
13.11 mi12:28:061:37:437:275:01
7:21
#9451
25K
15.53 mi12:46:301:56:077:2818:24
7:35
#9430
30K
18.64 mi13:10:512:20:287:3224:21
7:50
#9448
20M
20.00 mi13:21:422:31:197:3410:51
7:59
#9495
21M
21.00 mi13:30:382:40:157:388:56
8:56
#9680
35K
21.75 mi13:36:452:46:227:396:07
8:11
#9794
23M
23.00 mi13:47:462:57:237:4311:01
8:48
#10116
24M
24.00 mi13:56:153:05:527:458:29
8:29
#10294
40K
24.85 mi14:03:493:13:267:477:34
8:51
#10499
25.2M
25.20 mi14:07:073:16:447:483:18
9:34
#10573
Finish
26.22 mi14:15:343:25:117:508:27
8:18
#10711
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9435783478349269(Top 35%)7717(Top 51%)7717(Top 543%)
10K6.21 mi3.10 mi9648-2137953-1197953-1199976(Top 37%)8160(Top 54%)8160(Top 574%)
15K9.32 mi3.11 mi9497+1517872+817872+819269(Top 35%)7717(Top 51%)7717(Top 543%)
20K12.43 mi3.11 mi9484+137849+237849+239508(Top 36%)7806(Top 51%)7806(Top 549%)
Half13.11 mi0.68 mi9451+337827+227827+229028(Top 34%)7544(Top 50%)7544(Top 531%)
25K15.53 mi2.42 mi9430+217795+327795+329461(Top 36%)7693(Top 51%)7693(Top 541%)
30K18.64 mi3.11 mi9448-187767+287767+289645(Top 36%)7641(Top 50%)7641(Top 537%)
20M20.00 mi1.36 mi9495-477780-137780-1310147(Top 38%)7835(Top 52%)7835(Top 551%)
21M21.00 mi1.00 mi9680-1857873-937873-9312995(Top 49%)9028(Top 59%)9028(Top 635%)
35K21.75 mi0.75 mi9794-1147915-427915-4213233(Top 50%)9074(Top 60%)9074(Top 638%)
23M23.00 mi1.25 mi10116-3228051-1368051-13614959(Top 56%)9787(Top 64%)9787(Top 688%)
24M24.00 mi1.00 mi10294-1788110-598110-5914351(Top 54%)9455(Top 62%)9455(Top 665%)
40K24.85 mi0.85 mi10499-2058171-618171-6115315(Top 58%)9813(Top 65%)9813(Top 690%)
25.2M25.20 mi0.35 mi10573-748201-308201-3015431(Top 58%)9852(Top 65%)9852(Top 693%)
Finish26.22 mi1.02 mi10711-1388243-428243-4214032(Top 53%)9251(Top 61%)9251(Top 651%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9269

Males

7717

M55-59

7717

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9976

Males

8160

M55-59

8160

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9269

Males

7717

M55-59

7717

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9508

Males

7806

M55-59

7806

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9028

Males

7544

M55-59

7544

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9461

Males

7693

M55-59

7693

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9645

Males

7641

M55-59

7641

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10147

Males

7835

M55-59

7835

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

12995

Males

9028

M55-59

9028

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13233

Males

9074

M55-59

9074

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14959

Males

9787

M55-59

9787

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14351

Males

9455

M55-59

9455

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15315

Males

9813

M55-59

9813

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15431

Males

9852

M55-59

9852

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14032

Males

9251

M55-59

9251

Passing Analysis

Category:
Athletes Passed
1200*
Passed By
2473
Net Change
-1276
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9435
5K → 10K206419-213#9435#9648
10K → 15K24897+151#9648#9497
15K → 20K147134+13#9497#9484
20K → Half4310+33#9484#9451
Half → 25K130109+21#9451#9430
25K → 30K169*187-18#9430#9448
30K → 20M70117-47#9448#9495
20M → 21M32217-185#9495#9680
21M → 35K20134-114#9680#9794
35K → 23M28348-322#9794#10116
23M → 24M28205-178#10116#10294
24M → 40K27232-205#10294#10499
40K → 25.2M1690-74#10499#10573
25.2M → Finish36174-138#10573#10711
TOTALS1200*2473-1276

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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