Boston Marathon logo
BOSTON MARATHON 2023

Ron Dawson

Bib: 17222•M

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
Division (M60-64)
#0 / 1110
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:33/mi
23:28
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
46:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:08:45
↑ 67↓ 78
20K· 12.43 mi
7:28/mi
1:31:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:36:57
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:55:12
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:18:54
↑ 181↓ 1480.2%
20M
7:56/mi
2:29:40
↑ 64↓ 500.2%
21M
7:56/mi
2:37:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:43:14
↑ 17↓ 861.7%
23M
7:58/mi
2:53:12
↑ 23↓ 630.6%
24M
7:39/mi
3:00:51
↓ 821.3%
40K· 24.85 mi
7:30/mi
3:07:16
↓ 200.3%
25.2M
8:13/mi
3:10:06
↑ 13↓ 160.2%
Finish· 26.22 mi
7:31/mi
3:17:46
↑ 22↓ 21

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
Time1:36:57
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:40:49
Pace7:41 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5923:287:3323:28
7:33
-
10K
6.21 mi11:36:3946:087:2522:40
7:18
-0:15
15K
9.32 mi11:59:161:08:457:2322:37
7:17
-0:01
20K
12.43 mi12:22:281:31:577:2423:12
7:28
+0:11
Half
13.11 mi12:27:281:36:577:245:00
7:20
-0:08
25K
15.53 mi12:45:431:55:127:2518:15
7:32
+0:12
30K
18.64 mi13:09:252:18:547:2723:42
7:38
+0:06
20M
20.00 mi13:20:112:29:407:2910:46
7:56
+0:18
21M
21.00 mi13:28:072:37:367:307:56
7:56
0:00
35K
21.75 mi13:33:452:43:147:305:38
7:32
-0:24
23M
23.00 mi13:43:432:53:127:329:58
7:58
+0:26
24M
24.00 mi13:51:223:00:517:327:39
7:39
-0:19
40K
24.85 mi13:57:473:07:167:326:25
7:30
-0:09
25.2M
25.20 mi14:00:373:10:067:332:50
8:13
+0:43
Finish
26.22 mi14:08:173:17:467:337:40
7:31
-0:42

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

7:17 /mi

Average Pace

7:33 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:56

99% of race

Time at Steady Pace

2:50

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:33 /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 mi11:13:5923:287:3323:28
7:33
#10086
10K
6.21 mi11:36:3946:087:2522:40
7:18
#9365
15K
9.32 mi11:59:161:08:457:2322:37
7:17
#9016
20K
12.43 mi12:22:281:31:577:2423:12
7:28
#8995
Half
13.11 mi12:27:281:36:577:245:00
7:20
#8975
25K
15.53 mi12:45:431:55:127:2518:15
7:32
#8941
30K
18.64 mi13:09:252:18:547:2723:42
7:38
#8755
20M
20.00 mi13:20:112:29:407:2910:46
7:56
#8822
21M
21.00 mi13:28:072:37:367:307:56
7:56
#8686
35K
21.75 mi13:33:452:43:147:305:38
7:32
#8681
23M
23.00 mi13:43:432:53:127:329:58
7:58
#8714
24M
24.00 mi13:51:223:00:517:327:39
7:39
#8681
40K
24.85 mi13:57:473:07:167:326:25
7:30
#8586
25.2M
25.20 mi14:00:373:10:067:332:50
8:13
#8567
Finish
26.22 mi14:08:173:17:467:337:40
7:31
#8540
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi10086816881688394(Top 32%)7172(Top 47%)7172(Top 646%)
10K6.21 mi3.10 mi9365+7217797+3717797+3718829(Top 33%)7475(Top 49%)7475(Top 673%)
15K9.32 mi3.11 mi9016+3497574+2237574+2238394(Top 32%)7172(Top 47%)7172(Top 646%)
20K12.43 mi3.11 mi8995+217544+307544+309042(Top 34%)7523(Top 50%)7523(Top 678%)
Half13.11 mi0.68 mi8975+207530+147530+148782(Top 33%)7373(Top 49%)7373(Top 664%)
25K15.53 mi2.42 mi8941+347503+277503+278958(Top 34%)7405(Top 49%)7405(Top 667%)
30K18.64 mi3.11 mi8755+1867354+1497354+1498147(Top 31%)6774(Top 45%)6774(Top 610%)
20M20.00 mi1.36 mi8822-677377-237377-239754(Top 37%)7603(Top 50%)7603(Top 685%)
21M21.00 mi1.00 mi8686+1367272+1057272+1056882(Top 26%)5778(Top 38%)5778(Top 521%)
35K21.75 mi0.75 mi8681+57254+187254+188692(Top 33%)6909(Top 46%)6909(Top 622%)
23M23.00 mi1.25 mi8714-337250+47250+49456(Top 36%)7202(Top 47%)7202(Top 649%)
24M24.00 mi1.00 mi8681+337207+437207+438720(Top 33%)6738(Top 44%)6738(Top 607%)
40K24.85 mi0.85 mi8586+957134+737134+736761(Top 25%)5498(Top 36%)5498(Top 495%)
25.2M25.20 mi0.35 mi8567+197114+207114+207748(Top 29%)6024(Top 40%)6024(Top 543%)
Finish26.22 mi1.02 mi8540+277074+407074+408701(Top 33%)6579(Top 43%)6579(Top 593%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8394

Males

7172

M60-64

7172

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8829

Males

7475

M60-64

7475

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8394

Males

7172

M60-64

7172

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9042

Males

7523

M60-64

7523

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8782

Males

7373

M60-64

7373

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8958

Males

7405

M60-64

7405

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8147

Males

6774

M60-64

6774

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9754

Males

7603

M60-64

7603

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6882

Males

5778

M60-64

5778

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8692

Males

6909

M60-64

6909

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9456

Males

7202

M60-64

7202

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8720

Males

6738

M60-64

6738

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6761

Males

5498

M60-64

5498

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7748

Males

6024

M60-64

6024

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8701

Males

6579

M60-64

6579

Passing Analysis

Category:
Athletes Passed
2338*
Passed By
792
Net Change
+1546
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10086
5K → 10K789*68+721#10086#9365
10K → 15K37728+349#9365#9016
15K → 20K135114+21#9016#8995
20K → Half3818+20#8995#8975
Half → 25K11177+34#8975#8941
25K → 30K26781+186#8941#8755
30K → 20M56123-67#8755#8822
20M → 21M15620+136#8822#8686
21M → 35K4540+5#8686#8681
35K → 23M6598-33#8681#8714
23M → 24M8047+33#8714#8681
24M → 40K10712+95#8681#8586
40K → 25.2M3920+19#8586#8567
25.2M → Finish7346+27#8567#8540
TOTALS2338*792+1546

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

📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing