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BOSTON MARATHON 2023

Rafael Stefanes

Bib: 5198•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 37%
Masters (Masters Men)
#0 / 9891
Top 23%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:59
Rank: #4195
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
41:37
Rank: #3958 (+237)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:19
Rank: #3879 (+79)
10K → 15K
20:42 | 6:40/mi
20K· 12.43 mi
1:23:09
Rank: #3777 (+102)
15K → 20K
20:50 | 6:42/mi
Half· 13.11 mi
1:27:40
Rank: #3766 (+11)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:55
Rank: #3685 (+81)
Half → 25K
16:15 | 6:42/mi
30K· 18.64 mi
2:05:20
Rank: #3640 (+45)
25K → 30K
21:25 | 6:54/mi
20M
2:15:26
Rank: #3888 (-248)
30K → 20M
10:06 | 7:26/mi
21M
2:24:05
Rank: #4420 (-532)
20M → 21M
8:39 | 8:39/mi
35K· 21.75 mi
2:29:32
Rank: #4547 (-127)
21M → 35K
5:27 | 7:17/mi
23M
2:39:55
Rank: #4936 (-389)
35K → 23M
10:23 | 8:18/mi
24M
2:48:47
Rank: #5344 (-408)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
2:56:44
Rank: #5707 (-363)
24M → 40K
7:57 | 9:18/mi
25.2M
3:00:04
Rank: #5831 (-124)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:09:27
Rank: #6284 (-453)
25.2M → Finish
9:23 | 9:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:40
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:41:47
Pace7:46 /mi
📊Positive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3120:596:4520:59
6:45
-
10K
6.21 mi10:44:0941:376:4220:38
6:38
-0:07
15K
9.32 mi11:04:511:02:196:4120:42
6:40
+0:02
20K
12.43 mi11:25:411:23:096:4120:50
6:42
+0:02
Half
13.11 mi11:30:121:27:406:414:31
6:37
-0:05
25K
15.53 mi11:46:271:43:556:4116:15
6:42
+0:05
30K
18.64 mi12:07:522:05:206:4321:25
6:54
+0:12
20M
20.00 mi12:17:582:15:266:4610:06
7:26
+0:32
21M
21.00 mi12:26:372:24:056:528:39
8:39
+1:13
35K
21.75 mi12:32:042:29:326:535:27
7:17
-1:22
23M
23.00 mi12:42:272:39:556:5710:23
8:18
+1:01
24M
24.00 mi12:51:192:48:477:028:52
8:52
+0:34
40K
24.85 mi12:59:162:56:447:077:57
9:18
+0:26
25.2M
25.20 mi13:02:363:00:047:093:20
9:40
+0:22
Finish
26.22 mi13:11:593:09:277:149:23
9:12
-0:28

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

6:37 /mi

Average Pace

7:14 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:56

44% of race

Time at Steady Pace

57:57

31% of race

Time at Slower Pace

48:34

26% of race

Average Pace: 7:14 /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 mi10:23:3120:596:4520:59
6:45
#4195
10K
6.21 mi10:44:0941:376:4220:38
6:38
#3958
15K
9.32 mi11:04:511:02:196:4120:42
6:40
#3879
20K
12.43 mi11:25:411:23:096:4120:50
6:42
#3777
Half
13.11 mi11:30:121:27:406:414:31
6:37
#3766
25K
15.53 mi11:46:271:43:556:4116:15
6:42
#3685
30K
18.64 mi12:07:522:05:206:4321:25
6:54
#3640
20M
20.00 mi12:17:582:15:266:4610:06
7:26
#3888
21M
21.00 mi12:26:372:24:056:528:39
8:39
#4420
35K
21.75 mi12:32:042:29:326:535:27
7:17
#4547
23M
23.00 mi12:42:272:39:556:5710:23
8:18
#4936
24M
24.00 mi12:51:192:48:477:028:52
8:52
#5344
40K
24.85 mi12:59:162:56:447:077:57
9:18
#5707
25.2M
25.20 mi13:02:363:00:047:093:20
9:40
#5831
Finish
26.22 mi13:11:593:09:277:149:23
9:12
#6284
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4195393139313799(Top 14%)3578(Top 24%)3578(Top 160%)
10K6.21 mi3.10 mi3958+2373727+2043727+2043826(Top 14%)3610(Top 24%)3610(Top 161%)
15K9.32 mi3.11 mi3879+793656+713656+713799(Top 14%)3578(Top 24%)3578(Top 160%)
20K12.43 mi3.11 mi3777+1023568+883568+883640(Top 14%)3445(Top 23%)3445(Top 154%)
Half13.11 mi0.68 mi3766+113560+83560+83663(Top 14%)3471(Top 23%)3471(Top 155%)
25K15.53 mi2.42 mi3685+813482+783482+783386(Top 13%)3213(Top 21%)3213(Top 143%)
30K18.64 mi3.11 mi3640+453441+413441+413634(Top 14%)3414(Top 22%)3414(Top 152%)
20M20.00 mi1.36 mi3888-2483663-2223663-2226346(Top 24%)5540(Top 37%)5540(Top 247%)
21M21.00 mi1.00 mi4420-5324128-4654128-46511316(Top 43%)8249(Top 54%)8249(Top 368%)
35K21.75 mi0.75 mi4547-1274239-1114239-1116995(Top 26%)5880(Top 39%)5880(Top 262%)
23M23.00 mi1.25 mi4936-3894567-3284567-32811799(Top 44%)8364(Top 55%)8364(Top 373%)
24M24.00 mi1.00 mi5344-4084896-3294896-32916535(Top 62%)10407(Top 69%)10407(Top 464%)
40K24.85 mi0.85 mi5707-3635173-2775173-27717476(Top 66%)10774(Top 71%)10774(Top 481%)
25.2M25.20 mi0.35 mi5831-1245264-915264-9115865(Top 60%)10029(Top 66%)10029(Top 448%)
Finish26.22 mi1.02 mi6284-4535600-3365600-33618922(Top 71%)11490(Top 76%)11490(Top 513%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3799

Males

3578

M40-44

3578

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3826

Males

3610

M40-44

3610

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3799

Males

3578

M40-44

3578

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3640

Males

3445

M40-44

3445

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3663

Males

3471

M40-44

3471

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3386

Males

3213

M40-44

3213

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3634

Males

3414

M40-44

3414

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6346

Males

5540

M40-44

5540

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11316

Males

8249

M40-44

8249

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6995

Males

5880

M40-44

5880

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11799

Males

8364

M40-44

8364

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16535

Males

10407

M40-44

10407

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17476

Males

10774

M40-44

10774

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15865

Males

10029

M40-44

10029

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18922

Males

11490

M40-44

11490

Passing Analysis

Category:
Athletes Passed
1042
Passed By
3131
Net Change
-2089
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4195
5K → 10K367130+237#4195#3958
10K → 15K15879+79#3958#3879
15K → 20K16361+102#3879#3777
20K → Half2615+11#3777#3766
Half → 25K12342+81#3766#3685
25K → 30K12277+45#3685#3640
30K → 20M21269-248#3640#3888
20M → 21M9541-532#3888#4420
21M → 35K21148-127#4420#4547
35K → 23M15404-389#4547#4936
23M → 24M5413-408#4936#5344
24M → 40K5368-363#5344#5707
40K → 25.2M2126-124#5707#5831
25.2M → Finish5458-453#5831#6284
TOTALS10423131-2089
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing