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BOSTON MARATHON 2023

Stefano Millarelli

Bib: 30115•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
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
10:10/mi
31:36
↑ 97↓ 3451.5%
10K· 6.21 mi
10:23/mi
1:03:53
↑ 79↓ 1380.4%
15K· 9.32 mi
10:55/mi
1:37:49
↑ 67↓ 78
20K· 12.43 mi
10:41/mi
2:11:02
↑ 106↓ 860.1%
Half· 13.11 mi
10:48/mi
2:18:24
↑ 19↓ 370.5%
25K· 15.53 mi
11:58/mi
2:47:26
↑ 66↓ 880.2%
30K· 18.64 mi
13:01/mi
3:27:54
↑ 181↓ 1480.2%
20M
12:56/mi
3:45:28
↑ 64↓ 500.2%
21M
13:15/mi
3:58:43
↑ 106↓ 241.6%
35K· 21.75 mi
10:24/mi
4:06:30
↑ 17↓ 861.7%
23M
12:55/mi
4:22:40
↑ 23↓ 630.6%
24M
11:38/mi
4:34:18
↓ 821.3%
40K· 24.85 mi
11:58/mi
4:44:32
↓ 200.3%
25.2M
14:47/mi
4:49:38
↑ 13↓ 160.2%
Finish· 26.22 mi
12:00/mi
5:01:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:24
Pace10:33 /mi
2nd Half
Distance13.11 mi
Time2:43:28
Pace12:28 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4531:3610:1031:36
10:10
-
10K
6.21 mi12:26:021:03:5310:1732:17
10:23
+0:13
15K
9.32 mi12:59:581:37:4910:3033:56
10:55
+0:32
20K
12.43 mi13:33:112:11:0210:3333:13
10:41
-0:14
Half
13.11 mi13:40:332:18:2410:337:22
10:48
+0:07
25K
15.53 mi14:09:352:47:2610:4729:02
11:58
+1:10
30K
18.64 mi14:50:033:27:5411:0940:28
13:01
+1:03
20M
20.00 mi15:07:373:45:2811:1617:34
12:56
-0:05
21M
21.00 mi15:20:523:58:4311:2213:15
13:15
+0:19
35K
21.75 mi15:28:394:06:3011:207:47
10:24
-2:51
23M
23.00 mi15:44:494:22:4011:2516:10
12:55
+2:31
24M
24.00 mi15:56:274:34:1811:2611:38
11:38
-1:17
40K
24.85 mi16:06:414:44:3211:2710:14
11:58
+0:20
25.2M
25.20 mi16:11:474:49:3811:305:06
14:47
+2:49
Finish
26.22 mi16:24:015:01:5211:3112:14
12:00
-2:47

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

10:10 /mi

Average Pace

11:31 /mi

Slowest Pace

14:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:11

48% of race

Time at Steady Pace

1:03:08

21% of race

Time at Slower Pace

1:32:33

31% of race

Average Pace: 11:31 /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 mi11:53:4531:3610:1031:36
10:10
#23867
10K
6.21 mi12:26:021:03:5310:1732:17
10:23
#24224
15K
9.32 mi12:59:581:37:4910:3033:56
10:55
#24625
20K
12.43 mi13:33:112:11:0210:3333:13
10:41
#24489
Half
13.11 mi13:40:332:18:2410:337:22
10:48
#24503
25K
15.53 mi14:09:352:47:2610:4729:02
11:58
#24680
30K
18.64 mi14:50:033:27:5411:0940:28
13:01
#24917
20M
20.00 mi15:07:373:45:2811:1617:34
12:56
#24946
21M
21.00 mi15:20:523:58:4311:2213:15
13:15
#24916
35K
21.75 mi15:28:394:06:3011:207:47
10:24
#24832
23M
23.00 mi15:44:494:22:4011:2516:10
12:55
#24884
24M
24.00 mi15:56:274:34:1811:2611:38
11:38
#24854
40K
24.85 mi16:06:414:44:3211:2710:14
11:58
#24838
25.2M
25.20 mi16:11:474:49:3811:305:06
14:47
#24866
Finish
26.22 mi16:24:015:01:5211:3112:14
12:00
#24901
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi23867140241402425089(Top 94%)14555(Top 96%)14555(Top 2651%)
10K6.21 mi3.10 mi24224-35714191-16714191-16724476(Top 92%)14301(Top 94%)14301(Top 2605%)
15K9.32 mi3.11 mi24625-40114367-17614367-17625089(Top 94%)14555(Top 96%)14555(Top 2651%)
20K12.43 mi3.11 mi24489+13614301+6614301+6624161(Top 91%)14137(Top 93%)14137(Top 2575%)
Half13.11 mi0.68 mi24503-1414296+514296+524666(Top 93%)14346(Top 95%)14346(Top 2613%)
25K15.53 mi2.42 mi24680-17714367-7114367-7125139(Top 94%)14519(Top 96%)14519(Top 2645%)
30K18.64 mi3.11 mi24917-23714454-8714454-8725435(Top 96%)14605(Top 96%)14605(Top 2660%)
20M20.00 mi1.36 mi24946-2914460-614460-625115(Top 94%)14433(Top 95%)14433(Top 2629%)
21M21.00 mi1.00 mi24916+3014435+2514435+2524347(Top 91%)14057(Top 93%)14057(Top 2560%)
35K21.75 mi0.75 mi24832+8414395+4014395+4022200(Top 83%)13022(Top 86%)13022(Top 2372%)
23M23.00 mi1.25 mi24884-5214409-1414409-1424998(Top 94%)14341(Top 94%)14341(Top 2612%)
24M24.00 mi1.00 mi24854+3014385+2414385+2424054(Top 90%)13848(Top 91%)13848(Top 2522%)
40K24.85 mi0.85 mi24838+1614374+1114374+1123854(Top 90%)13725(Top 90%)13725(Top 2500%)
25.2M25.20 mi0.35 mi24866-2814384-1014384-1025576(Top 96%)14587(Top 96%)14587(Top 2657%)
Finish26.22 mi1.02 mi24901-3514391-714391-725231(Top 95%)14423(Top 95%)14423(Top 2627%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

25089

Males

14555

M65-69

14555

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24476

Males

14301

M65-69

14301

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

25089

Males

14555

M65-69

14555

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24161

Males

14137

M65-69

14137

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

24666

Males

14346

M65-69

14346

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

25139

Males

14519

M65-69

14519

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25435

Males

14605

M65-69

14605

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

25115

Males

14433

M65-69

14433

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

24347

Males

14057

M65-69

14057

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22200

Males

13022

M65-69

13022

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

24998

Males

14341

M65-69

14341

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

24054

Males

13848

M65-69

13848

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23854

Males

13725

M65-69

13725

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25576

Males

14587

M65-69

14587

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25231

Males

14423

M65-69

14423

Passing Analysis

Category:
Athletes Passed
621
Passed By
1655
Net Change
-1034
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23867
5K → 10K67424-357#23867#24224
10K → 15K35436-401#24224#24625
15K → 20K17034+136#24625#24489
20K → Half1731-14#24489#24503
Half → 25K26203-177#24503#24680
25K → 30K28265-237#24680#24917
30K → 20M3362-29#24917#24946
20M → 21M5424+30#24946#24916
21M → 35K851+84#24916#24832
35K → 23M1567-52#24832#24884
23M → 24M4313+30#24884#24854
24M → 40K3620+16#24854#24838
40K → 25.2M331-28#24838#24866
25.2M → Finish944-35#24866#24901
TOTALS6211655-1034
📊

Passing Visuals

Category:
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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