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BOSTON MARATHON 2023

Todd Ness

Bib: 5023•M

AB

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
Division (M18-39)
#0 / 5285
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
6:48/mi
21:09
↑ 97↓ 3451.5%
10K· 6.21 mi
6:43/mi
42:02
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:03:06
↑ 67↓ 78
20K· 12.43 mi
6:47/mi
1:24:09
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:28:44
↑ 19↓ 370.5%
25K· 15.53 mi
6:43/mi
1:45:01
↑ 66↓ 880.2%
30K· 18.64 mi
6:54/mi
2:06:26
↑ 181↓ 1480.2%
20M
7:13/mi
2:16:14
↑ 64↓ 500.2%
21M
7:55/mi
2:24:09
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:29:39
↑ 17↓ 861.7%
23M
7:57/mi
2:39:36
↑ 23↓ 630.6%
24M
7:44/mi
2:47:20
↓ 821.3%
40K· 24.85 mi
7:43/mi
2:53:56
↓ 200.3%
25.2M
8:25/mi
2:56:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:29/mi
3:04:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:44
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:35:44
Pace7:18 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4521:096:4821:09
6:48
-
10K
6.21 mi10:44:3842:026:4620:53
6:43
-0:05
15K
9.32 mi11:05:421:03:066:4621:04
6:47
+0:04
20K
12.43 mi11:26:451:24:096:4621:03
6:47
0:00
Half
13.11 mi11:31:201:28:446:464:35
6:43
-0:04
25K
15.53 mi11:47:371:45:016:4616:17
6:43
0:00
30K
18.64 mi12:09:022:06:266:4721:25
6:54
+0:11
20M
20.00 mi12:18:502:16:146:499:48
7:13
+0:19
21M
21.00 mi12:26:452:24:096:527:55
7:55
+0:42
35K
21.75 mi12:32:152:29:396:535:30
7:21
-0:34
23M
23.00 mi12:42:122:39:366:569:57
7:57
+0:36
24M
24.00 mi12:49:562:47:206:587:44
7:44
-0:13
40K
24.85 mi12:56:322:53:567:006:36
7:43
-0:01
25.2M
25.20 mi12:59:262:56:507:012:54
8:25
+0:42
Finish
26.22 mi13:07:043:04:287:027:38
7:29
-0:56

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

6:43 /mi

Average Pace

7:02 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:26

69% of race

Time at Steady Pace

22:56

12% of race

Time at Slower Pace

35:06

19% of race

Average Pace: 7:02 /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 mi10:23:4521:096:4821:09
6:48
#4755
10K
6.21 mi10:44:3842:026:4620:53
6:43
#4645
15K
9.32 mi11:05:421:03:066:4621:04
6:47
#4704
20K
12.43 mi11:26:451:24:096:4621:03
6:47
#4564
Half
13.11 mi11:31:201:28:446:464:35
6:43
#4550
25K
15.53 mi11:47:371:45:016:4616:17
6:43
#4330
30K
18.64 mi12:09:022:06:266:4721:25
6:54
#4140
20M
20.00 mi12:18:502:16:146:499:48
7:13
#4261
21M
21.00 mi12:26:452:24:096:527:55
7:55
#4447
35K
21.75 mi12:32:152:29:396:535:30
7:21
#4590
23M
23.00 mi12:42:122:39:366:569:57
7:57
#4846
24M
24.00 mi12:49:562:47:206:587:44
7:44
#4998
40K
24.85 mi12:56:322:53:567:006:36
7:43
#5050
25.2M
25.20 mi12:59:262:56:507:012:54
8:25
#5076
Finish
26.22 mi13:07:043:04:287:027:38
7:29
#5149
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4755442544254934(Top 19%)4585(Top 30%)4585(Top 87%)
10K6.21 mi3.10 mi4645+1104333+924333+924567(Top 17%)4264(Top 28%)4264(Top 81%)
15K9.32 mi3.11 mi4704-594382-494382-494934(Top 19%)4585(Top 30%)4585(Top 87%)
20K12.43 mi3.11 mi4564+1404262+1204262+1204219(Top 16%)3950(Top 26%)3950(Top 75%)
Half13.11 mi0.68 mi4550+144248+144248+144567(Top 17%)4259(Top 28%)4259(Top 81%)
25K15.53 mi2.42 mi4330+2204058+1904058+1903501(Top 13%)3314(Top 22%)3314(Top 63%)
30K18.64 mi3.11 mi4140+1903892+1663892+1663631(Top 14%)3411(Top 22%)3411(Top 65%)
20M20.00 mi1.36 mi4261-1213994-1023994-1025154(Top 19%)4661(Top 31%)4661(Top 88%)
21M21.00 mi1.00 mi4447-1864150-1564150-1566792(Top 26%)5726(Top 38%)5726(Top 108%)
35K21.75 mi0.75 mi4590-1434274-1244274-1247419(Top 28%)6123(Top 40%)6123(Top 116%)
23M23.00 mi1.25 mi4846-2564494-2204494-2209349(Top 35%)7135(Top 47%)7135(Top 135%)
24M24.00 mi1.00 mi4998-1524600-1064600-1069253(Top 35%)7005(Top 46%)7005(Top 133%)
40K24.85 mi0.85 mi5050-524647-474647-478048(Top 30%)6267(Top 41%)6267(Top 119%)
25.2M25.20 mi0.35 mi5076-264666-194666-198841(Top 33%)6614(Top 44%)6614(Top 125%)
Finish26.22 mi1.02 mi5149-734718-524718-528432(Top 32%)6408(Top 42%)6408(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

4934

Males

4585

M18-39

4585

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4567

Males

4264

M18-39

4264

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

4934

Males

4585

M18-39

4585

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4219

Males

3950

M18-39

3950

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4567

Males

4259

M18-39

4259

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3501

Males

3314

M18-39

3314

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

3631

Males

3411

M18-39

3411

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

5154

Males

4661

M18-39

4661

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6792

Males

5726

M18-39

5726

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7419

Males

6123

M18-39

6123

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9349

Males

7135

M18-39

7135

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9253

Males

7005

M18-39

7005

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8048

Males

6267

M18-39

6267

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8841

Males

6614

M18-39

6614

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8432

Males

6408

M18-39

6408

Passing Analysis

Category:
Athletes Passed
1196
Passed By
1590
Net Change
-394
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4755
5K → 10K266156+110#4755#4645
10K → 15K94153-59#4645#4704
15K → 20K17838+140#4704#4564
20K → Half3218+14#4564#4550
Half → 25K2288+220#4550#4330
25K → 30K22333+190#4330#4140
30K → 20M33154-121#4140#4261
20M → 21M22208-186#4261#4447
21M → 35K18161-143#4447#4590
35K → 23M23279-256#4590#4846
23M → 24M16168-152#4846#4998
24M → 40K2779-52#4998#5050
40K → 25.2M1238-26#5050#5076
25.2M → Finish2497-73#5076#5149
TOTALS11961590-394
📊

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