Boston Marathon logo
BOSTON MARATHON 2023

Steve Doucette

Bib: 11696•M

NS

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 30%
Gender (Male)
#0 / 15176
Top 44%
Masters (Masters Men)
#0 / 9891
Top 31%
Division (M45-49)
#0 / 2252
Top 42%
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
7:37/mi
23:40
↑ 97↓ 3451.5%
10K· 6.21 mi
6:53/mi
45:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:01/mi
1:06:52
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:29:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:34:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:33/mi
1:52:26
↑ 66↓ 880.2%
30K· 18.64 mi
7:50/mi
2:16:45
↑ 181↓ 1480.2%
20M
7:58/mi
2:27:35
↑ 64↓ 500.2%
21M
8:19/mi
2:35:54
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:41:35
↑ 17↓ 861.7%
23M
7:45/mi
2:51:17
↑ 23↓ 630.6%
24M
7:29/mi
2:58:46
↓ 821.3%
40K· 24.85 mi
7:37/mi
3:05:17
↓ 200.3%
25.2M
8:07/mi
3:08:05
↑ 13↓ 160.2%
Finish· 26.22 mi
7:27/mi
3:15:41
↑ 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
Time1:34:08
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:41:33
Pace7:45 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5523:407:3723:40
7:37
-
10K
6.21 mi11:36:1845:037:1521:23
6:53
-0:44
15K
9.32 mi11:58:071:06:527:1021:49
7:01
+0:08
20K
12.43 mi12:20:311:29:167:1122:24
7:13
+0:12
Half
13.11 mi12:25:231:34:087:114:52
7:08
-0:05
25K
15.53 mi12:43:411:52:267:1418:18
7:33
+0:25
30K
18.64 mi13:08:002:16:457:2024:19
7:50
+0:17
20M
20.00 mi13:18:502:27:357:2310:50
7:58
+0:08
21M
21.00 mi13:27:092:35:547:258:19
8:19
+0:21
35K
21.75 mi13:32:502:41:357:265:41
7:36
-0:43
23M
23.00 mi13:42:322:51:177:279:42
7:45
+0:09
24M
24.00 mi13:50:012:58:467:277:29
7:29
-0:16
40K
24.85 mi13:56:323:05:177:276:31
7:37
+0:08
25.2M
25.20 mi13:59:203:08:057:282:48
8:07
+0:30
Finish
26.22 mi14:06:563:15:417:287:36
7:27
-0:40

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

6:53 /mi

Average Pace

7:28 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:28

36% of race

Time at Steady Pace

1:18:57

40% of race

Time at Slower Pace

46:16

24% of race

Average Pace: 7:28 /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 mi11:14:5523:407:3723:40
7:37
#10675
10K
6.21 mi11:36:1845:037:1521:23
6:53
#8111
15K
9.32 mi11:58:071:06:527:1021:49
7:01
#7577
20K
12.43 mi12:20:311:29:167:1122:24
7:13
#7424
Half
13.11 mi12:25:231:34:087:114:52
7:08
#7418
25K
15.53 mi12:43:411:52:267:1418:18
7:33
#7636
30K
18.64 mi13:08:002:16:457:2024:19
7:50
#7891
20M
20.00 mi13:18:502:27:357:2310:50
7:58
#8011
21M
21.00 mi13:27:092:35:547:258:19
8:19
#8057
35K
21.75 mi13:32:502:41:357:265:41
7:36
#8099
23M
23.00 mi13:42:322:51:177:279:42
7:45
#8059
24M
24.00 mi13:50:012:58:467:277:29
7:29
#8006
40K
24.85 mi13:56:323:05:177:276:31
7:37
#7952
25.2M
25.20 mi13:59:203:08:057:282:48
8:07
#7924
Finish
26.22 mi14:06:563:15:417:287:36
7:27
#7925
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10675848784876705(Top 25%)6018(Top 40%)6018(Top 267%)
10K6.21 mi3.10 mi8111+25647028+14597028+14596010(Top 23%)5473(Top 36%)5473(Top 243%)
15K9.32 mi3.11 mi7577+5346672+3566672+3566705(Top 25%)6018(Top 40%)6018(Top 267%)
20K12.43 mi3.11 mi7424+1536555+1176555+1177163(Top 27%)6333(Top 42%)6333(Top 281%)
Half13.11 mi0.68 mi7418+66550+56550+57376(Top 28%)6496(Top 43%)6496(Top 288%)
25K15.53 mi2.42 mi7636-2186681-1316681-1319117(Top 34%)7502(Top 49%)7502(Top 333%)
30K18.64 mi3.11 mi7891-2556809-1286809-1289545(Top 36%)7587(Top 50%)7587(Top 337%)
20M20.00 mi1.36 mi8011-1206866-576866-5710033(Top 38%)7766(Top 51%)7766(Top 345%)
21M21.00 mi1.00 mi8057-466878-126878-129291(Top 35%)7228(Top 48%)7228(Top 321%)
35K21.75 mi0.75 mi8099-426887-96887-99195(Top 35%)7172(Top 47%)7172(Top 318%)
23M23.00 mi1.25 mi8059+406843+446843+448022(Top 30%)6421(Top 42%)6421(Top 285%)
24M24.00 mi1.00 mi8006+536790+536790+537575(Top 28%)6054(Top 40%)6054(Top 269%)
40K24.85 mi0.85 mi7952+546740+506740+507440(Top 28%)5900(Top 39%)5900(Top 262%)
25.2M25.20 mi0.35 mi7924+286711+296711+297175(Top 27%)5689(Top 37%)5689(Top 253%)
Finish26.22 mi1.02 mi7925-16689+226689+228209(Top 31%)6282(Top 41%)6282(Top 279%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6705

Males

6018

M45-49

6018

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6010

Males

5473

M45-49

5473

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6705

Males

6018

M45-49

6018

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7163

Males

6333

M45-49

6333

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7376

Males

6496

M45-49

6496

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9117

Males

7502

M45-49

7502

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9545

Males

7587

M45-49

7587

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10033

Males

7766

M45-49

7766

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9291

Males

7228

M45-49

7228

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9195

Males

7172

M45-49

7172

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8022

Males

6421

M45-49

6421

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7575

Males

6054

M45-49

6054

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7440

Males

5900

M45-49

5900

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7175

Males

5689

M45-49

5689

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8209

Males

6282

M45-49

6282

Passing Analysis

Category:
Athletes Passed
3932*
Passed By
1182
Net Change
+2750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10675
5K → 10K2570*6+2564#10675#8111
10K → 15K5417+534#8111#7577
15K → 20K19643+153#7577#7424
20K → Half2317+6#7424#7418
Half → 25K38256-218#7418#7636
25K → 30K62317-255#7636#7891
30K → 20M42162-120#7891#8011
20M → 21M57103-46#8011#8057
21M → 35K3072-42#8057#8099
35K → 23M10262+40#8099#8059
23M → 24M8734+53#8059#8006
24M → 40K8127+54#8006#7952
40K → 25.2M4012+28#7952#7924
25.2M → Finish6364-1#7924#7925
TOTALS3932*1182+2750

* 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