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BOSTON MARATHON 2023

Stephen Giuffre

Bib: 26804•M

NH

0:00
0:00
/ mi
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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
31:20
Rank: #23640
Start → 5K
31:20 | 10:05/mi
10K· 6.21 mi
1:00:34
Rank: #23028 (+612)
5K → 10K
29:14 | 9:25/mi
15K· 9.32 mi
1:30:10
Rank: #22798 (+230)
10K → 15K
29:36 | 9:32/mi
20K· 12.43 mi
2:01:14
Rank: #22810 (-12)
15K → 20K
31:04 | 10:00/mi
Half· 13.11 mi
2:08:06
Rank: #22851 (-41)
20K → Half
6:52 | 10:04/mi
25K· 15.53 mi
2:34:40
Rank: #23083 (-232)
Half → 25K
26:34 | 10:57/mi
30K· 18.64 mi
3:13:00
Rank: #23532 (-449)
25K → 30K
38:20 | 12:20/mi
20M
3:30:17
Rank: #23673 (-141)
30K → 20M
17:17 | 12:43/mi
21M
3:43:59
Rank: #23795 (-122)
20M → 21M
13:42 | 13:42/mi
35K· 21.75 mi
3:52:34
Rank: #23815 (-20)
21M → 35K
8:35 | 11:28/mi
23M
4:08:37
Rank: #23927 (-112)
35K → 23M
16:03 | 12:49/mi
24M
4:21:55
Rank: #24035 (-108)
23M → 24M
13:18 | 13:18/mi
40K· 24.85 mi
4:32:21
Rank: #24047 (-12)
24M → 40K
10:26 | 12:12/mi
25.2M
4:36:50
Rank: #24052 (-5)
40K → 25.2M
4:29 | 13:00/mi
Finish· 26.22 mi
4:47:32
Rank: #24026 (+26)
25.2M → Finish
10:42 | 10:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:06
Pace9:46 /mi
2nd Half
Distance13.11 mi
Time2:39:26
Pace12:10 /mi
📊Positive Split: 24.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1831:2010:0531:20
10:05
-
10K
6.21 mi12:17:321:00:349:4529:14
9:25
-0:40
15K
9.32 mi12:47:081:30:109:4029:36
9:32
+0:07
20K
12.43 mi13:18:122:01:149:4531:04
10:00
+0:28
Half
13.11 mi13:25:042:08:069:466:52
10:04
+0:04
25K
15.53 mi13:51:382:34:409:5726:34
10:57
+0:53
30K
18.64 mi14:29:583:13:0010:2138:20
12:20
+1:23
20M
20.00 mi14:47:153:30:1710:3117:17
12:43
+0:23
21M
21.00 mi15:00:573:43:5910:4013:42
13:42
+0:59
35K
21.75 mi15:09:323:52:3410:428:35
11:28
-2:14
23M
23.00 mi15:25:354:08:3710:4916:03
12:49
+1:21
24M
24.00 mi15:38:534:21:5510:5513:18
13:18
+0:29
40K
24.85 mi15:49:194:32:2110:5710:26
12:12
-1:06
25.2M
25.20 mi15:53:484:36:5010:594:29
13:00
+0:48
Finish
26.22 mi16:04:304:47:3210:5810:42
10:30
-2:30

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

9:25 /mi

Average Pace

10:58 /mi

Slowest Pace

13:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:48

48% of race

Time at Steady Pace

35:09

12% of race

Time at Slower Pace

1:53:35

40% of race

Average Pace: 10:58 /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 mi11:48:1831:2010:0531:20
10:05
#23640
10K
6.21 mi12:17:321:00:349:4529:14
9:25
#23028
15K
9.32 mi12:47:081:30:109:4029:36
9:32
#22798
20K
12.43 mi13:18:122:01:149:4531:04
10:00
#22810
Half
13.11 mi13:25:042:08:069:466:52
10:04
#22851
25K
15.53 mi13:51:382:34:409:5726:34
10:57
#23083
30K
18.64 mi14:29:583:13:0010:2138:20
12:20
#23532
20M
20.00 mi14:47:153:30:1710:3117:17
12:43
#23673
21M
21.00 mi15:00:573:43:5910:4013:42
13:42
#23795
35K
21.75 mi15:09:323:52:3410:428:35
11:28
#23815
23M
23.00 mi15:25:354:08:3710:4916:03
12:49
#23927
24M
24.00 mi15:38:534:21:5510:5513:18
13:18
#24035
40K
24.85 mi15:49:194:32:2110:5710:26
12:12
#24047
25.2M
25.20 mi15:53:484:36:5010:594:29
13:00
#24052
Finish
26.22 mi16:04:304:47:3210:5810:42
10:30
#24026
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23640138981389822335(Top 84%)13341(Top 88%)13341(Top 252%)
10K6.21 mi3.10 mi23028+61213626+27213626+27222234(Top 84%)13271(Top 87%)13271(Top 251%)
15K9.32 mi3.11 mi22798+23013545+8113545+8122335(Top 84%)13341(Top 88%)13341(Top 252%)
20K12.43 mi3.11 mi22810-1213543+213543+222911(Top 86%)13582(Top 89%)13582(Top 257%)
Half13.11 mi0.68 mi22851-4113560-1713560-1723402(Top 88%)13807(Top 91%)13807(Top 261%)
25K15.53 mi2.42 mi23083-23213659-9913659-9923896(Top 90%)13974(Top 92%)13974(Top 264%)
30K18.64 mi3.11 mi23532-44913848-18913848-18924850(Top 93%)14343(Top 95%)14343(Top 271%)
20M20.00 mi1.36 mi23673-14113900-5213900-5224937(Top 94%)14345(Top 95%)14345(Top 271%)
21M21.00 mi1.00 mi23795-12213949-4913949-4924771(Top 93%)14262(Top 94%)14262(Top 270%)
35K21.75 mi0.75 mi23815-2013955-613955-624050(Top 90%)13874(Top 91%)13874(Top 263%)
23M23.00 mi1.25 mi23927-11213994-3913994-3924902(Top 94%)14294(Top 94%)14294(Top 270%)
24M24.00 mi1.00 mi24035-10814026-3214026-3225673(Top 96%)14634(Top 96%)14634(Top 277%)
40K24.85 mi0.85 mi24047-1214024+214024+224120(Top 91%)13857(Top 91%)13857(Top 262%)
25.2M25.20 mi0.35 mi24052-514025-114025-123959(Top 90%)13776(Top 91%)13776(Top 261%)
Finish26.22 mi1.02 mi24026+2614009+1614009+1622993(Top 86%)13333(Top 88%)13333(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22335

Males

13341

M18-39

13341

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22234

Males

13271

M18-39

13271

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22335

Males

13341

M18-39

13341

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22911

Males

13582

M18-39

13582

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23402

Males

13807

M18-39

13807

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

23896

Males

13974

M18-39

13974

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24850

Males

14343

M18-39

14343

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

24937

Males

14345

M18-39

14345

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

24771

Males

14262

M18-39

14262

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

24050

Males

13874

M18-39

13874

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

24902

Males

14294

M18-39

14294

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

25673

Males

14634

M18-39

14634

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24120

Males

13857

M18-39

13857

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23959

Males

13776

M18-39

13776

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

22993

Males

13333

M18-39

13333

Passing Analysis

Category:
Athletes Passed
1277
Passed By
1663
Net Change
-386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23640
5K → 10K64836+612#23640#23028
10K → 15K29060+230#23028#22798
15K → 20K131143-12#22798#22810
20K → Half1253-41#22810#22851
Half → 25K36268-232#22851#23083
25K → 30K20469-449#23083#23532
30K → 20M21162-141#23532#23673
20M → 21M17139-122#23673#23795
21M → 35K1939-20#23795#23815
35K → 23M12124-112#23815#23927
23M → 24M5113-108#23927#24035
24M → 40K2234-12#24035#24047
40K → 25.2M712-5#24047#24052
25.2M → Finish3711+26#24052#24026
TOTALS12771663-386
📊

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