Boston Marathon logo
BOSTON MARATHON 2023

Donald Salois Jr.

Bib: 27679•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:34
Rank: #24659
Start → 5K
32:34 | 10:29/mi
10K· 6.21 mi
1:03:51
Rank: #24216 (+443)
5K → 10K
31:17 | 10:04/mi
15K· 9.32 mi
1:34:50
Rank: #23947 (+269)
10K → 15K
30:59 | 9:58/mi
20K· 12.43 mi
2:07:09
Rank: #23872 (+75)
15K → 20K
32:19 | 10:24/mi
Half· 13.11 mi
2:13:51
Rank: #23820 (+52)
20K → Half
6:42 | 9:49/mi
25K· 15.53 mi
2:38:31
Rank: #23614 (+206)
Half → 25K
24:40 | 10:10/mi
30K· 18.64 mi
3:11:10
Rank: #23343 (+271)
25K → 30K
32:39 | 10:31/mi
20M
3:25:38
Rank: #23251 (+92)
30K → 20M
14:28 | 10:39/mi
21M
3:37:05
Rank: #23177 (+74)
20M → 21M
11:27 | 11:27/mi
35K· 21.75 mi
3:44:54
Rank: #23132 (+45)
21M → 35K
7:49 | 10:27/mi
23M
3:59:27
Rank: #23160 (-28)
35K → 23M
14:33 | 11:37/mi
24M
4:10:20
Rank: #23145 (+15)
23M → 24M
10:53 | 10:53/mi
40K· 24.85 mi
4:20:10
Rank: #23137 (+8)
24M → 40K
9:50 | 11:30/mi
25.2M
4:24:25
Rank: #23138 (-1)
40K → 25.2M
4:15 | 12:19/mi
Finish· 26.22 mi
4:35:26
Rank: #23158 (-20)
25.2M → Finish
11:01 | 10:49/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
Time2:13:51
Pace10:13 /mi
2nd Half
Distance13.11 mi
Time2:21:35
Pace10:48 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1532:3410:2932:34
10:29
-
10K
6.21 mi12:22:321:03:5110:1731:17
10:04
-0:25
15K
9.32 mi12:53:311:34:5010:1030:59
9:58
-0:06
20K
12.43 mi13:25:502:07:0910:1432:19
10:24
+0:26
Half
13.11 mi13:32:322:13:5110:136:42
9:49
-0:35
25K
15.53 mi13:57:122:38:3110:1224:40
10:10
+0:21
30K
18.64 mi14:29:513:11:1010:1532:39
10:31
+0:21
20M
20.00 mi14:44:193:25:3810:1714:28
10:39
+0:08
21M
21.00 mi14:55:463:37:0510:2011:27
11:27
+0:48
35K
21.75 mi15:03:353:44:5410:207:49
10:27
-1:00
23M
23.00 mi15:18:083:59:2710:2514:33
11:37
+1:10
24M
24.00 mi15:29:014:10:2010:2610:53
10:53
-0:44
40K
24.85 mi15:38:514:20:1010:289:50
11:30
+0:37
25.2M
25.20 mi15:43:064:24:2510:304:15
12:19
+0:49
Finish
26.22 mi15:54:074:35:2610:3111:01
10:49
-1:30

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

9:49 /mi

Average Pace

10:31 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:38

34% of race

Time at Steady Pace

2:10:50

48% of race

Time at Slower Pace

50:58

19% of race

Average Pace: 10:30 /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 mi11:51:1532:3410:2932:34
10:29
#24659
10K
6.21 mi12:22:321:03:5110:1731:17
10:04
#24216
15K
9.32 mi12:53:311:34:5010:1030:59
9:58
#23947
20K
12.43 mi13:25:502:07:0910:1432:19
10:24
#23872
Half
13.11 mi13:32:322:13:5110:136:42
9:49
#23820
25K
15.53 mi13:57:122:38:3110:1224:40
10:10
#23614
30K
18.64 mi14:29:513:11:1010:1532:39
10:31
#23343
20M
20.00 mi14:44:193:25:3810:1714:28
10:39
#23251
21M
21.00 mi14:55:463:37:0510:2011:27
11:27
#23177
35K
21.75 mi15:03:353:44:5410:207:49
10:27
#23132
23M
23.00 mi15:18:083:59:2710:2514:33
11:37
#23160
24M
24.00 mi15:29:014:10:2010:2610:53
10:53
#23145
40K
24.85 mi15:38:514:20:1010:289:50
11:30
#23137
25.2M
25.20 mi15:43:064:24:2510:304:15
12:19
#23138
Finish
26.22 mi15:54:074:35:2610:3111:01
10:49
#23158
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24659143851438523452(Top 88%)13848(Top 91%)13848(Top 262%)
10K6.21 mi3.10 mi24216+44314189+19614189+19623829(Top 90%)14010(Top 92%)14010(Top 265%)
15K9.32 mi3.11 mi23947+26914065+12414065+12423452(Top 88%)13848(Top 91%)13848(Top 262%)
20K12.43 mi3.11 mi23872+7514033+3214033+3223659(Top 89%)13916(Top 92%)13916(Top 263%)
Half13.11 mi0.68 mi23820+5214005+2814005+2822910(Top 86%)13585(Top 90%)13585(Top 257%)
25K15.53 mi2.42 mi23614+20613910+9513910+9522546(Top 85%)13383(Top 88%)13383(Top 253%)
30K18.64 mi3.11 mi23343+27113761+14913761+14922229(Top 83%)13177(Top 87%)13177(Top 249%)
20M20.00 mi1.36 mi23251+9213703+5813703+5822028(Top 83%)13015(Top 86%)13015(Top 246%)
21M21.00 mi1.00 mi23177+7413658+4513658+4521794(Top 82%)12889(Top 85%)12889(Top 244%)
35K21.75 mi0.75 mi23132+4513625+3313625+3322278(Top 84%)13055(Top 86%)13055(Top 247%)
23M23.00 mi1.25 mi23160-2813634-913634-923443(Top 88%)13599(Top 90%)13599(Top 257%)
24M24.00 mi1.00 mi23145+1513620+1413620+1422809(Top 86%)13261(Top 87%)13261(Top 251%)
40K24.85 mi0.85 mi23137+813603+1713603+1723202(Top 87%)13414(Top 88%)13414(Top 254%)
25.2M25.20 mi0.35 mi23138-113599+413599+422999(Top 86%)13320(Top 88%)13320(Top 252%)
Finish26.22 mi1.02 mi23158-2013606-713606-723621(Top 89%)13632(Top 90%)13632(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

23452

Males

13848

M18-39

13848

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

23829

Males

14010

M18-39

14010

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

23452

Males

13848

M18-39

13848

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23659

Males

13916

M18-39

13916

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

22910

Males

13585

M18-39

13585

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22546

Males

13383

M18-39

13383

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

22229

Males

13177

M18-39

13177

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

22028

Males

13015

M18-39

13015

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21794

Males

12889

M18-39

12889

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22278

Males

13055

M18-39

13055

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23443

Males

13599

M18-39

13599

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22809

Males

13261

M18-39

13261

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23202

Males

13414

M18-39

13414

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22999

Males

13320

M18-39

13320

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23621

Males

13632

M18-39

13632

Passing Analysis

Category:
Athletes Passed
1908
Passed By
407
Net Change
+1501
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24659
5K → 10K49148+443#24659#24216
10K → 15K30435+269#24216#23947
15K → 20K14974+75#23947#23872
20K → Half542+52#23872#23820
Half → 25K21913+206#23820#23614
25K → 30K2809+271#23614#23343
30K → 20M10816+92#23343#23251
20M → 21M8814+74#23251#23177
21M → 35K516+45#23177#23132
35K → 23M3664-28#23132#23160
23M → 24M4227+15#23160#23145
24M → 40K4840+8#23145#23137
40K → 25.2M1314-1#23137#23138
25.2M → Finish2545-20#23138#23158
TOTALS1908407+1501
📊

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