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BOSTON MARATHON 2023

Donnie Norris

Bib: 18439•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
8:15/mi
25:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
50:53
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:16:24
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:42:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:47:39
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:07:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:43/mi
2:34:49
↑ 181↓ 1480.2%
20M
9:14/mi
2:47:22
↑ 64↓ 500.2%
21M
10:04/mi
2:57:26
↑ 106↓ 241.6%
35K· 21.75 mi
9:20/mi
3:04:25
↑ 17↓ 861.7%
23M
9:52/mi
3:16:46
↑ 23↓ 630.6%
24M
9:37/mi
3:26:23
↓ 821.3%
40K· 24.85 mi
9:54/mi
3:34:51
↓ 200.3%
25.2M
10:21/mi
3:38:25
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:47:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:39
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time2:00:08
Pace9:10 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0225:378:1525:37
8:15
-
10K
6.21 mi11:42:1850:538:1125:16
8:08
-0:07
15K
9.32 mi12:07:491:16:248:1225:31
8:13
+0:05
20K
12.43 mi12:33:331:42:088:1325:44
8:17
+0:04
Half
13.11 mi12:39:041:47:398:135:31
8:05
-0:12
25K
15.53 mi12:59:092:07:448:1320:05
8:17
+0:12
30K
18.64 mi13:26:142:34:498:1827:05
8:43
+0:26
20M
20.00 mi13:38:472:47:228:2212:33
9:14
+0:31
21M
21.00 mi13:48:512:57:268:2710:04
10:04
+0:50
35K
21.75 mi13:55:503:04:258:296:59
9:20
-0:44
23M
23.00 mi14:08:113:16:468:3312:21
9:52
+0:32
24M
24.00 mi14:17:483:26:238:369:37
9:37
-0:15
40K
24.85 mi14:26:163:34:518:398:28
9:54
+0:17
25.2M
25.20 mi14:29:503:38:258:403:34
10:21
+0:27
Finish
26.22 mi14:39:123:47:478:429:22
9:11
-1:10

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

8:05 /mi

Average Pace

8:42 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:49

68% of race

Time at Steady Pace

28:54

13% of race

Time at Slower Pace

44:04

19% of race

Average Pace: 8:41 /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 mi11:17:0225:378:1525:37
8:15
#15760
10K
6.21 mi11:42:1850:538:1125:16
8:08
#15735
15K
9.32 mi12:07:491:16:248:1225:31
8:13
#15806
20K
12.43 mi12:33:331:42:088:1325:44
8:17
#15698
Half
13.11 mi12:39:041:47:398:135:31
8:05
#15664
25K
15.53 mi12:59:092:07:448:1320:05
8:17
#15508
30K
18.64 mi13:26:142:34:498:1827:05
8:43
#15512
20M
20.00 mi13:38:472:47:228:2212:33
9:14
#15665
21M
21.00 mi13:48:512:57:268:2710:04
10:04
#15859
35K
21.75 mi13:55:503:04:258:296:59
9:20
#16008
23M
23.00 mi14:08:113:16:468:3312:21
9:52
#16311
24M
24.00 mi14:17:483:26:238:369:37
9:37
#16510
40K
24.85 mi14:26:163:34:518:398:28
9:54
#16677
25.2M
25.20 mi14:29:503:38:258:403:34
10:21
#16700
Finish
26.22 mi14:39:123:47:478:429:22
9:11
#16806
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15760106141061415942(Top 60%)10663(Top 70%)10663(Top 750%)
10K6.21 mi3.10 mi15735+2510600+1410600+1415756(Top 59%)10624(Top 70%)10624(Top 747%)
15K9.32 mi3.11 mi15806-7110628-2810628-2815942(Top 60%)10663(Top 70%)10663(Top 750%)
20K12.43 mi3.11 mi15698+10810564+6410564+6415497(Top 58%)10451(Top 69%)10451(Top 735%)
Half13.11 mi0.68 mi15664+3410546+1810546+1815023(Top 56%)10323(Top 68%)10323(Top 726%)
25K15.53 mi2.42 mi15508+15610455+9110455+9114834(Top 56%)10099(Top 67%)10099(Top 710%)
30K18.64 mi3.11 mi15512-410412+4310412+4315599(Top 59%)10307(Top 68%)10307(Top 725%)
20M20.00 mi1.36 mi15665-15310457-4510457-4517701(Top 66%)11100(Top 73%)11100(Top 781%)
21M21.00 mi1.00 mi15859-19410508-5110508-5118247(Top 69%)11327(Top 75%)11327(Top 797%)
35K21.75 mi0.75 mi16008-14910547-3910547-3919264(Top 72%)11710(Top 77%)11710(Top 823%)
23M23.00 mi1.25 mi16311-30310672-12510672-12519590(Top 74%)11833(Top 78%)11833(Top 832%)
24M24.00 mi1.00 mi16510-19910737-6510737-6519606(Top 74%)11815(Top 78%)11815(Top 831%)
40K24.85 mi0.85 mi16677-16710788-5110788-5119680(Top 74%)11774(Top 78%)11774(Top 828%)
25.2M25.20 mi0.35 mi16700-2310789-110789-118567(Top 70%)11276(Top 74%)11276(Top 793%)
Finish26.22 mi1.02 mi16806-10610823-3410823-3418852(Top 71%)11468(Top 76%)11468(Top 806%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15942

Males

10663

M55-59

10663

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15756

Males

10624

M55-59

10624

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15942

Males

10663

M55-59

10663

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15497

Males

10451

M55-59

10451

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15023

Males

10323

M55-59

10323

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14834

Males

10099

M55-59

10099

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15599

Males

10307

M55-59

10307

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17701

Males

11100

M55-59

11100

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18247

Males

11327

M55-59

11327

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19264

Males

11710

M55-59

11710

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19590

Males

11833

M55-59

11833

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19606

Males

11815

M55-59

11815

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19680

Males

11774

M55-59

11774

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18567

Males

11276

M55-59

11276

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18852

Males

11468

M55-59

11468

Passing Analysis

Category:
Athletes Passed
1371
Passed By
2417
Net Change
-1046
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15760
5K → 10K311286+25#15760#15735
10K → 15K162233-71#15735#15806
15K → 20K234126+108#15806#15698
20K → Half4612+34#15698#15664
Half → 25K20953+156#15664#15508
25K → 30K179183-4#15508#15512
30K → 20M49202-153#15512#15665
20M → 21M31225-194#15665#15859
21M → 35K26175-149#15859#16008
35K → 23M17320-303#16008#16311
23M → 24M22221-199#16311#16510
24M → 40K24191-167#16510#16677
40K → 25.2M2245-23#16677#16700
25.2M → Finish39145-106#16700#16806
TOTALS13712417-1046
📊

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